CN211031608U - Printing arm of printing machine - Google Patents
Printing arm of printing machine Download PDFInfo
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- CN211031608U CN211031608U CN201921517296.9U CN201921517296U CN211031608U CN 211031608 U CN211031608 U CN 211031608U CN 201921517296 U CN201921517296 U CN 201921517296U CN 211031608 U CN211031608 U CN 211031608U
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Abstract
The printing arm of the printing machine of the utility model comprises a printing head beam, two guide rails and a printing head; the two guide rails are arranged at the bottom of the printing head beam in parallel; the print head comprises: a scraper, a scraper seat, two eccentric shafts and two rotating shafts; the two eccentric shafts and the two rotating shafts are arranged on the scraper seat in parallel; the top ends of the two eccentric shafts and the two rotating shafts are respectively provided with a guide wheel and can slide along the two guide rails; the guide wheel device is characterized by further comprising an elastic connecting piece and an ejector pin mechanism, wherein the elastic connecting piece is respectively connected to the bottom ends of the two eccentric shafts, and the ejector pin mechanism is tightly propped against the elastic connecting piece, so that the elastic connecting piece is elastically deformed to drive the eccentric shafts of the two eccentric shafts to rotate, and guide wheels on the two eccentric shafts are tightly pressed on the guide rails. The utility model discloses a printing arm passes through elastomeric element and tightly pushes up the guide pulley on the guide rail, even the guide rail produces mechanical wear, the guide rail also can be hugged closely automatically to the guide pulley, realizes that the guide rail produces the mechanism that can self-compensating wearing and tearing position after wearing and tearing.
Description
Technical Field
The utility model relates to a calico printing machine field, concretely relates to printing arm of calico printing machine.
Background
The oval printing machine is applicable to various printing materials, glue and drop, water slurry, printing ink etc. and is applicable to the plane screen printing of cutting-parts such as clothing cutting-parts printing, ready-made clothes, trousers, socks, umbrella, the printing technology who is suitable for: and (5) carrying out thick plate discharge dyeing, and combining with a pressing machine to carry out gold stamping, silver stamping and the like.
The printing platen of oval calico printing machine passes through the gyro wheel and removes in the guide rail inslot or through the transmission chain transmission, printing mechanism support is fixed the installation on total rack, when the printing platen is in the below of operation printing mechanism support, stop the operation immediately, then the motor drives the printing scraper on the printing arm and descends and press on the printed matter, then the printing scraper moves and scrapes the seal on the printed matter along the guide rail on the printing arm, the pressure of printing scraper to the printed matter in the interim can be adjusted, after the printing arm breaks away from the printing platen after the printing finishes, the printing platen leaves under transport mechanism's drive.
Because the printing scraper constantly and repeatedly moves on the guide rail, the guide rail shaft is mechanically abraded, a gap exists between the guide wheel and the guide rail shaft, the fit between the guide rail and the guide wheel is influenced, and the movement of the printing scraper is further influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a printing arm of calico printing machine.
One embodiment of the utility model provides a printing arm of a printing machine, which comprises a printing head beam, two guide rails and a printing head; the two guide rails are arranged at the bottom of the printing head beam in parallel; the print head comprises: a scraper, a scraper seat, two eccentric shafts and two rotating shafts; the scraper is arranged at the bottom of the scraper seat, and the two eccentric shafts and the two rotating shafts are arranged on the scraper seat in parallel; the top ends of the two eccentric shafts and the two rotating shafts are respectively provided with a guide wheel, the guide wheels of the two eccentric shafts are positioned on one side of the two guide rails and are embedded with one of the guide rails, and the guide wheels of the two rotating shafts are positioned on the other side of the two guide rails and are embedded with the other guide rail and can slide along the two guide rails; the guide wheel device is characterized by further comprising an elastic connecting piece and an ejector pin mechanism, wherein the elastic connecting piece is respectively connected to the bottom ends of the two eccentric shafts, and the ejector pin mechanism is tightly propped against the elastic connecting piece, so that the elastic connecting piece is elastically deformed to drive the eccentric shafts of the two eccentric shafts to rotate, and guide wheels on the two eccentric shafts are tightly pressed on the guide rails.
Compared with the prior art, the utility model discloses a printing arm passes through elastomeric element and tightly pushes up the guide pulley on the guide rail, even the guide rail produces mechanical wear, the guide rail also can be hugged closely automatically to the guide pulley, realizes the mechanism that can self-compensating wearing and tearing position after the guide rail produces wearing and tearing.
Furthermore, the elastic connecting piece is a spring plate, the bottom ends of the two eccentric shafts are provided with mounting grooves, and the two ends of the spring plate are respectively clamped into the mounting grooves in a mode that the elastic surface of the spring plate is parallel to the axis of the eccentric shaft. One elastic sheet can control the rotation of the two eccentric shafts simultaneously.
Further, thimble mechanism is including the screw seat and the screw that are equipped with the screw hole, screw seat fixed mounting be in scrape on the blade holder, the one end of screw is passed the screw hole supports on the bullet piece. The screw is rotated to adjust the force of the guide wheel pushing tightly towards the guide rail.
Further, the screw vertically abuts against the middle of the elastic surface of the elastic sheet. The adjusting effect is better, and the torsion received by the two eccentric shafts is the same.
Further, the guide rail is a polished rod, the guide wheel is a concave wheel, and the polished rod is embedded with the guide wheel.
Further, the rotation axes of the concave wheels are perpendicular to the plane of the polish rods. The torsion force of the eccentric shaft is a force in the horizontal direction, and the rotation axis of the concave wheel is perpendicular to the plane of the two polished rods, so that the torsion force can maximally press the concave wheel against the guide rail without deviating beyond other directions.
Furthermore, the bottom of the printing head beam is provided with a groove, and the two guide rails are arranged in the groove in parallel along the extending direction of the groove. Accomodate the guide rail and avoid environmental factor such as dust to influence the clean and tidy of the spigot surface of guide rail with groove.
Further, the eccentric shaft comprises a first shaft part and a second shaft part, the axes of the first shaft part and the second shaft part are parallel, the top end of the first shaft part is connected with the bottom end of the second shaft part, the bottom ends of the two first shaft parts are connected with the elastic connecting piece, and the top end of the second shaft part is provided with a guide wheel.
Further, the diameter of the first shaft portion is larger than the diameter of the second shaft portion. The big shaft drives the small shaft more stably.
Further, the scraper seat is provided with four bearings, the second shaft portions of the two eccentric shafts and the two rotating shafts are respectively arranged in the four bearings in a penetrating manner, two protruding blocks are arranged on the outer diameter surfaces of the two eccentric shafts and the two rotating shafts along the axial direction, and the four bearings are respectively limited between the two protruding blocks of the two second shaft portions and the two protruding blocks of the two rotating shafts. The convex blocks limit the bearing from sliding along the axial direction.
In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a printing arm of a printing machine according to an embodiment of the present invention;
FIG. 2 is an enlarged sectional view of a portion of the eccentric shaft and the resilient plate shown in FIG. 1;
fig. 3 is a bottom structure view of the scraper seat shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of a printing arm of a printing machine according to an embodiment of the present invention. The printing arm of the printing machine comprises a printing head beam 10, two guide rails 20, a printing head, an elastic connecting piece 40 and an ejector pin mechanism 50;
the two rails 20 are arranged side by side at the bottom of the print head beam 10. Preferably, the bottom of the print head beam 10 is provided with a groove 11, the two guide rails 20 are arranged in the groove 11 in parallel along the extending direction of the groove 11, and the guide rails 20 are accommodated in the groove 11 to protect the guide rails 20.
The printing head comprises a scraper 31, a scraper seat 32, two eccentric shafts 33 and two rotating shafts 34; the scraper 31 is installed at the bottom of the scraper seat 32 through an adjusting device 311, the adjusting device 311 adjusts the horizontal position of the scraper 31, and the two eccentric shafts 33 and the two rotating shafts 34 are arranged on the scraper seat 32 in parallel; guide wheels 35 are respectively arranged at the top ends of the two eccentric shafts 33 and the two rotating shafts 34, the guide wheels 35 of the two eccentric shafts 33 are positioned at one side of the two guide rails 20 and are embedded with one of the guide rails 20, and the guide wheels 35 of the two rotating shafts 34 are positioned at the other side of the two guide rails 20 and are embedded with the other of the guide rails 20 and can slide along the two guide rails 20; preferably, the guide rail 20 is a polished rod, the guide wheel 35 is a concave wheel, and the contact surface between the concave wheel and the polished rod is more suitable for better embedding between the concave wheel and the polished rod by tightly pushing the concave wheel; the rotation axis 34 of the two concave wheels is vertical to the plane of the two polished rods, the vector of the torsion force of the eccentric shaft 33 is on the plane of the two polished rods, and the wheel surface of the concave wheel is abutted against the polished rods along the plane of the two polished rods, so that the torsion force can maximally abut against the concave wheel on the guide rail 20 without deviating beyond other directions.
Please refer to fig. 2, which is an enlarged sectional view of a portion of the eccentric shaft and the spring plate shown in fig. 1. In addition, in some embodiments, the eccentric shaft 33 includes a first shaft portion 331 and a second shaft portion 332, the axes of the first shaft portion 331 and the second shaft portion 332 are parallel, the top end of the first shaft portion 331 is connected to the bottom end of the second shaft portion 332, the bottom ends of the first shaft portion 331 are connected to the elastic connecting member 40, and the top end of the second shaft portion 332 is provided with a guide wheel 35. Preferably, the diameter of the first shaft portion 331 is larger than that of the second shaft portion 332, and the large shaft drives the small shaft more stably. In some embodiments, the scraper seat 32 is provided with four bearings 321, the second shaft portions 332 of the two eccentric shafts 33 and the two rotating shafts 34 are respectively inserted into the four bearings 321, the outer diameter surfaces of the two eccentric shafts 33 and the two rotating shafts 34 are respectively provided with two protruding blocks along the axial direction, the four bearings 321 are respectively limited between the two second shaft portions 332 and the two protruding blocks of the two rotating shafts 34, the protruding blocks limit the bearings 321 from sliding along the axial direction, and preferably, the protruding blocks may be an annular ring, such as a shaft retaining ring.
Please refer to fig. 3, which is a schematic bottom structure diagram of the scraper seat shown in fig. 1. The elastic connecting piece 40 is a spring plate, the bottom ends of the two eccentric shafts 33 are provided with mounting grooves, the two ends of the spring plate are respectively clamped into the mounting grooves in a mode that the elastic surface of the spring plate is parallel to the axis of the eccentric shafts 33, and one spring plate can simultaneously control the two eccentric shafts 33 to rotate along opposite directions. Of course, the elastic connecting member 40 may be other elastic members, such as a bar-shaped elastic rod.
The thimble mechanism 50 comprises a screw 52 seat 51 and a screw 52, the screw 52 seat 51 is provided with a screw 52 hole, the screw 52 seat 51 is fixedly arranged on the scraper seat 32, one end of the screw 52 penetrates through the screw 52 hole and vertically abuts against the middle part of the elastic surface of the elastic sheet, the tension degree of the elastic sheet can be adjusted by adjusting the rotation of the screw 52, so that the eccentric shafts 33 of the two eccentric shafts 33 are driven to rotate, and the guide wheels 35 on the two eccentric shafts 33 are pressed on the guide rail 20. Of course, in some embodiments, the thimble mechanism 50 may also be a rod-shaped element, a spring is sleeved on the rod-shaped element, the rod-shaped element passes through a mounting seat and abuts against the elastic connecting element 40, one end of the spring abuts against the mounting seat, and the other end of the spring pushes the rod-shaped element against the elastic connecting element 40, so as to maintain the elastic deformation state of the elastic connecting element 40 through the spring, which is not limited to this example.
It should be noted that, when the eccentric shaft 33 adopts the structure of the first shaft portion 331 and the second shaft portion 332, in order to fully utilize the distance that the second shaft portion 332 can be adjusted laterally, the second shaft portion 332 rotates to a side away from the guide rail 20, so that the guide wheel 35 on the second shaft portion 332 is attached to the guide rail 20, at this time, the elastic sheet is not elastically deformed, and then the elastic sheet is pushed to a tensioned state, i.e., a bent state, by the adjusting screw 52, the elastic sheet twists the first shaft portion 331, so as to twist the second shaft portion 332, thereby providing a force to the guide wheel 35 on the second shaft portion 332 toward the guide rail 20, so that the guide wheel 35 is attached to the guide rail 20, even if the guide rail 20 is continuously worn, because the guide wheel 35 is still attached to the guide rail 20 under the action of a.
In addition, according to practical requirements, for example, in the case of high wear, the rotating shaft 34 may be the eccentric shaft 33, in this case, two sets of the elastic connecting members 40 and the ejector pin mechanisms 50 are required, and the four guide wheels 35 are simultaneously pushed against the guide rail 20 through the two sets of the elastic connecting members 40, so that the guide wheels 35 can be more stably attached to the guide rail 20.
The utility model discloses a printing arm passes through elastomeric element and tightly pushes up the guide pulley on the guide rail, even the guide rail produces mechanical wear, the guide rail also can be hugged closely automatically to the guide pulley, realizes that the guide rail produces the mechanism that can self-compensating wearing and tearing position after wearing and tearing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A printing arm of a printing machine, comprising: a print head beam, two guide rails and a print head;
the two guide rails are arranged at the bottom of the printing head beam in parallel;
the print head comprises: a scraper, a scraper seat, two eccentric shafts and two rotating shafts; the scraper is arranged at the bottom of the scraper seat, and the two eccentric shafts and the two rotating shafts are arranged on the scraper seat in parallel; the top ends of the two eccentric shafts and the two rotating shafts are respectively provided with a guide wheel, the guide wheels of the two eccentric shafts are positioned on one side of the two guide rails and are embedded with one of the guide rails, and the guide wheels of the two rotating shafts are positioned on the other side of the two guide rails and are embedded with the other guide rail and can slide along the two guide rails;
the guide wheel device is characterized by further comprising an elastic connecting piece and an ejector pin mechanism, wherein the elastic connecting piece is respectively connected to the bottom ends of the two eccentric shafts, and the ejector pin mechanism is tightly propped against the elastic connecting piece, so that the elastic connecting piece is elastically deformed to drive the eccentric shafts of the two eccentric shafts to rotate, and guide wheels on the two eccentric shafts are tightly pressed on the guide rails.
2. The printing arm of the printing machine according to claim 1, wherein: the elastic connecting piece is a spring piece, the bottom ends of the two eccentric shafts are provided with mounting grooves, and the two ends of the spring piece are respectively clamped into the mounting grooves in a mode that the elastic surface of the spring piece is parallel to the axis of the eccentric shaft.
3. The printing arm of the printing machine according to claim 2, wherein: the thimble mechanism is including the screw seat and the screw that are equipped with the screw hole, screw seat fixed mounting be in scrape on the blade holder, the one end of screw is passed the screw hole supports on the bullet piece.
4. A printing arm of a printing machine according to claim 3, characterized in that: the screw vertically abuts against the middle of the elastic surface of the elastic sheet.
5. The printing arm of a printing machine according to any one of claims 1 to 4, characterized in that: the guide rail is a polished rod, the guide wheel is a concave wheel, and the polished rod is embedded with the guide wheel.
6. The printing arm of the printing machine according to claim 5, wherein: the rotation axes of the concave wheels are vertical to the plane of the polish rods.
7. The printing arm of the printing machine according to claim 1, wherein: the bottom of the printing head beam is provided with a groove, and the two guide rails are arranged in the groove in parallel along the extending direction of the groove.
8. The printing arm of the printing machine according to claim 1, wherein: the eccentric shaft comprises a first shaft part and a second shaft part, the axes of the first shaft part and the second shaft part are parallel, the top end of the first shaft part is connected with the bottom end of the second shaft part, the bottom ends of the first shaft part and the second shaft part are connected with the elastic connecting piece, and the top end of the second shaft part is provided with a guide wheel.
9. The printing arm of the printing machine according to claim 8, wherein: the first shaft portion has a diameter greater than a diameter of the second shaft portion.
10. The printing arm of the printing machine according to claim 8, wherein: the scraper seat is provided with four bearings, the second shaft parts of the two eccentric shafts and the two rotating shafts are respectively arranged in the four bearings in a penetrating mode, two protruding blocks are arranged on the outer diameter surfaces of the two second shaft parts and the two rotating shafts in the axial direction, and the four bearings are respectively limited between the two protruding blocks of the two second shaft parts and the two rotating shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517296.9U CN211031608U (en) | 2019-09-11 | 2019-09-11 | Printing arm of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517296.9U CN211031608U (en) | 2019-09-11 | 2019-09-11 | Printing arm of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211031608U true CN211031608U (en) | 2020-07-17 |
Family
ID=71544426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921517296.9U Active CN211031608U (en) | 2019-09-11 | 2019-09-11 | Printing arm of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211031608U (en) |
-
2019
- 2019-09-11 CN CN201921517296.9U patent/CN211031608U/en active Active
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