CN213564936U - Printing platen positioning mechanism and elliptical printing machine - Google Patents
Printing platen positioning mechanism and elliptical printing machine Download PDFInfo
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- CN213564936U CN213564936U CN202021596051.2U CN202021596051U CN213564936U CN 213564936 U CN213564936 U CN 213564936U CN 202021596051 U CN202021596051 U CN 202021596051U CN 213564936 U CN213564936 U CN 213564936U
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Abstract
The utility model provides a printing platen positioning mechanism, include: the bedplate mounting rack comprises a bedplate mounting rack, and a positioning seat, a positioning strip, a positioning shaft, a limiting piece and a telescopic assembly which are arranged below the bedplate mounting rack; the bottom of the bedplate mounting frame is provided with a positioning groove; the positioning strip is provided with a through hole, the positioning shaft penetrates through the through hole to be rotatably connected with the positioning seat, the limiting part movably extends into the through hole to tightly push the positioning shaft against the inner wall of the through hole, and the output end of the telescopic assembly is connected with the lower end of the positioning strip to drive the positioning strip to rotate around the axis of the positioning shaft; the upper end of the positioning strip is clamped into or separated from the positioning groove after rotating. Compared with the prior art, the utility model discloses a printing platen positioning mechanism adopts the duplex bearing structure, can reduce the friction of location axle, improves life to through activity locking location axle, be convenient for adjust the position of location strip.
Description
Technical Field
The utility model relates to a stamp equipment technical field, concretely relates to printing platen positioning mechanism and oval calico printing machine.
Background
The elliptical printing machine is used as automatic printing equipment with high automation degree, the occupied proportion of the elliptical printing machine in the existing cloth printing field is increased, and the elliptical printing machine needs higher relative precision between a printing bedplate and a printing head in the production process. The trolley positioning device of the existing printing machine needs to loosen the optical axis fixing rings at two ends of the positioning shaft to adjust when adjusting the horizontal position in the installation process, and wastes time and labor.
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 platen positioning mechanism and oval calico printing machine.
An embodiment of the utility model provides a printing platen positioning mechanism and oval calico printing machine, include: the bedplate mounting rack comprises a bedplate mounting rack, and a positioning seat, a positioning strip, a positioning shaft, a limiting piece and a telescopic assembly which are arranged below the bedplate mounting rack;
the bottom of the bedplate mounting frame is provided with a positioning groove;
the positioning strip is provided with a through hole, the positioning shaft penetrates through the through hole to be rotatably connected with the positioning seat, the limiting part movably extends into the through hole to tightly push the positioning shaft against the inner wall of the through hole, and the output end of the telescopic assembly is connected with the lower end of the positioning strip to drive the positioning strip to rotate around the axis of the positioning shaft;
the upper end of the positioning strip is clamped into or separated from the positioning groove after rotating.
Compared with the prior art, the utility model discloses a printing platen positioning mechanism adopts the duplex bearing structure, can reduce the friction of location axle, improves life to through activity locking location axle, be convenient for adjust the position of location strip.
Furthermore, two opposite bearings are arranged on the positioning seat, and the positioning shaft is rotatably connected with the bearings. Foreign matters are prevented from entering the bearing through the end cover to influence the service life.
Furthermore, the limiting part is a locking screw, penetrates through the positioning strip and extends into the through hole, and pushes the positioning shaft to the inner wall of the through hole tightly. The positioning strip is fixed on the positioning shaft, and the screw is loosened when the position of the positioning strip needs to be adjusted.
Furthermore, the lower end of the positioning strip is provided with a groove, and a connecting pin is arranged in the groove;
the output end of the telescopic assembly is rotatably connected with the connecting pin. Prevent the telescopic assembly from being blocked.
Further, the printing platen positioning mechanism further includes: and one end of the connecting rod is connected with the output end of the telescopic assembly, and the other end of the connecting rod is movably sleeved on the connecting pin. The position of the positioning strip is convenient to adjust.
Further, the telescopic assembly is an air cylinder, an oil hydraulic cylinder or an electric cylinder.
Furthermore, the upper end of location strip is provided with the counterpoint piece, the counterpoint piece is in location strip rotates the back card and goes into or breaks away from the constant head tank.
Further, the cross section of the alignment block is triangular. Is convenient to be clamped into the positioning groove.
Furthermore, two positioning bearings are arranged at the bottom of the bedplate mounting frame, and the positioning groove is formed between the two positioning bearings. The positioning strip or the alignment block can be conveniently clamped.
Another embodiment of the utility model provides an elliptical printing machine, include: the printing machine comprises a rack, an oval guide rail arranged on the rack, a plurality of printing mechanisms arranged on the rack and along the oval guide rail, a plurality of printing platens and a plurality of printing machine platen positioning mechanisms, wherein the platen mounting rack is arranged on the oval guide rail, the positioning seat is arranged on the rack, and the printing platens are arranged on the platen mounting rack.
Compared with the prior art, the utility model discloses an elliptical printing machine's printing platen positioning mechanism adopts the duplex bearing structure, can reduce the friction of location axle, improves life to through activity locking location axle, be convenient for adjust the position of location strip.
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 view of a printing platen positioning mechanism according to an embodiment of the present invention when mounted on a frame;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic structural view of a printing platen positioning mechanism according to an embodiment of the present invention when the platen mounting frame is hidden;
fig. 4 is an exploded view of the printing platen positioning mechanism shown in fig. 3.
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 and fig. 2, which are a schematic structural diagram of the printing platen positioning mechanism of an embodiment of the present invention when it is installed in the frame and an enlarged view of a point a shown in fig. 1, respectively, in an embodiment of the present invention, the printing platen positioning mechanism includes: the pallet mounting rack 10 comprises a positioning seat 21, a positioning bar 22, a positioning shaft 23, a limiting member 24 and a telescopic assembly 25, wherein the positioning seat 21, the positioning bar 22, the positioning shaft 23, the limiting member 24 and the telescopic assembly 25 are arranged below the pallet mounting rack 10.
The two positioning pieces 11 are arranged at the bottom of the bedplate mounting frame 10, and a positioning groove is arranged between the two positioning pieces 11.
Please refer to fig. 3 and fig. 4, which are a schematic structural diagram of the printing platen positioning mechanism according to an embodiment of the present invention when hiding the platen mounting frame and an exploded view of the printing platen positioning mechanism shown in fig. 3, respectively, a through hole 221 is provided on the positioning bar 22, the positioning shaft 23 passes through the through hole 221 and is rotatably connected to the positioning seat 21, the limiting member 24 movably extends into the through hole 221 to push the positioning shaft 23 against the inner wall of the through hole 221, and the output end of the telescopic assembly 25 is connected to the lower end of the positioning bar 22 to drive the positioning bar 22 to rotate around the axis of the positioning shaft 23; the upper end of the positioning strip 22 is snapped into or out of the positioning groove after being turned. Preferably, two opposite bearings 26 are arranged on the positioning seat 21, and the positioning shaft 23 is rotatably connected with the bearings 26. In some embodiments, a bearing end cover 27 is disposed at an end portion of the bearing 26, in this embodiment, two opposite mounting holes are disposed on the positioning seat 21, the bearing 26 is disposed in the mounting holes, two ends of the positioning shaft 23 are mounted in the bearing 26, and the bearing end cover 27 is disposed on the positioning seat 21, is correspondingly located outside the mounting holes, abuts against the end portion of the bearing 26, and plays a role in fixing the bearing 26 and preventing foreign matters from entering the bearing 26. It should be noted that the bearing 26 is hard to wear, and can ensure the positioning accuracy, and the effect is better compared with the easily worn plastic bushing adopted by the existing positioning device.
In some embodiments, the retaining member 24 is a locking screw, which penetrates through the positioning bar 22 and extends into the through hole 221, and presses the positioning shaft 23 against the inner wall of the through hole 221. In this embodiment, two locking screws are used to tightly push the positioning shaft 23. It should be noted that the limiting member 24 may be designed according to the structure of the actual positioning shaft 23 and the positioning bar 22, for example, the limiting member may be designed to be inserted into the through hole 221, so that the positioning shaft 23 and the positioning bar 22 are fixed to each other, but not limited to this example.
In some embodiments, the lower end of the positioning bar 22 is provided with a groove 221, and a connecting pin 222 is arranged in the groove 221; the output end of the telescopic assembly 25 is rotatably connected with the connecting pin 222, and when the positioning strip 22 rotates, the angle of the connecting part of the positioning strip 22 and the output end of the telescopic assembly 25 changes, so that the telescopic assembly is designed to be rotatably connected to avoid the clamping of the telescopic assembly. In addition, preferably, the above printing platen positioning mechanism further includes a connecting rod 28, one end of the connecting rod 28 is connected to the output end of the telescopic assembly 25, the other end is movably sleeved on the connecting pin 222, the connecting pin 222 is parallel to the positioning shaft 23, and when the limiting member 24 is separated from the positioning shaft 23, the positioning bar 22 can slide along the axial direction of the positioning shaft 23 and the connecting pin 222, so as to facilitate the position adjustment of the positioning bar 22 as a whole.
In some embodiments, the telescopic assembly 25 is a cylinder, an oil hydraulic cylinder or an electric cylinder, and in this embodiment, a lower-cost cylinder is used.
In some embodiments, the positioning strip 22 is provided with a positioning block 29 at the upper end thereof, the positioning block 29 is clamped into or separated from the positioning groove after the positioning strip 22 rotates, the shape of the positioning block 29 is matched with that of the positioning groove, and the need of structural design of the positioning strip 22 is avoided. Preferably, the cross section of the alignment block 29 is triangular, and a tip portion of a side edge of the alignment block 29 extends into the positioning groove to facilitate guiding into the positioning groove.
In addition, in some embodiments, the bottom of the platen mounting bracket is provided with two positioning bearings 11, the positioning bearings 11 are rotatably connected with the bottom of the platen mounting bracket, and the positioning groove is formed between the two positioning bearings 11, so that the positioning strip 22 or the positioning block 29 can be conveniently guided into the positioning groove.
Compared with the prior art, the utility model discloses a printing platen positioning mechanism adopts the duplex bearing structure, can reduce the friction of location axle, improves life to through locating part locking location axle, be convenient for adjust the position of location strip.
The printing platen positioning mechanism can be applied to an elliptical printing machine, the elliptical printing machine comprises a rack 30, an elliptical guide rail arranged on the rack 30, a plurality of printing mechanisms arranged on the rack 30 and arranged along the elliptical guide rail, a plurality of printing platens and a plurality of printing platen positioning mechanisms, the platen mounting rack 10 is arranged on the elliptical guide rail, the positioning seat 21 is arranged on the rack 30, and the printing platens are arranged on the platen mounting rack 10.
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 platen positioning mechanism, comprising: the bedplate mounting rack comprises a bedplate mounting rack, and a positioning seat, a positioning strip, a positioning shaft, a limiting piece and a telescopic assembly which are arranged below the bedplate mounting rack;
the bottom of the bedplate mounting frame is provided with a positioning groove;
the positioning strip is provided with a through hole, the positioning shaft penetrates through the through hole to be rotatably connected with the positioning seat, the limiting part movably extends into the through hole to tightly push the positioning shaft against the inner wall of the through hole, and the output end of the telescopic assembly is connected with the lower end of the positioning strip to drive the positioning strip to rotate around the axis of the positioning shaft;
the upper end of the positioning strip is clamped into or separated from the positioning groove after rotating.
2. A printing platen positioning mechanism according to claim 1, wherein: two opposite bearings are arranged on the positioning seat, and the positioning shaft is rotatably connected with the bearings.
3. A printing platen positioning mechanism according to claim 1, wherein: the limiting part is a locking screw, penetrates through the positioning strip and extends into the through hole, and pushes the positioning shaft to the inner wall of the through hole tightly.
4. A printing platen positioning mechanism according to any one of claims 1 to 3, wherein: the lower end of the positioning strip is provided with a groove, and a connecting pin is arranged in the groove;
the output end of the telescopic assembly is rotatably connected with the connecting pin.
5. A printing platen positioning mechanism according to claim 4, further comprising: and one end of the connecting rod is connected with the output end of the telescopic assembly, and the other end of the connecting rod is movably sleeved on the connecting pin.
6. A printing platen positioning mechanism according to claim 1, wherein: the telescopic assembly is a cylinder, an oil hydraulic cylinder or an electric cylinder.
7. A printing platen positioning mechanism according to claim 1, wherein: the upper end of the positioning strip is provided with a positioning block, and the positioning block is clamped into or separated from the positioning groove after the positioning strip rotates.
8. A printing platen positioning mechanism according to claim 7, wherein: the cross section of the alignment block is triangular.
9. A printing platen positioning mechanism according to claim 1, 7 or 8, wherein: two positioning bearings are arranged at the bottom of the bedplate mounting frame, and the positioning groove is formed between the two positioning bearings.
10. An elliptical printing machine, comprising: a frame and an elliptical guide track provided on said frame, a plurality of printing mechanisms provided on said frame and arranged along said elliptical guide track, a plurality of printing platens provided on said elliptical guide track, said platen mount provided on said elliptical guide track, said positioning seats provided on said frame, said printing platens provided on said platen mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021596051.2U CN213564936U (en) | 2020-08-04 | 2020-08-04 | Printing platen positioning mechanism and elliptical printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021596051.2U CN213564936U (en) | 2020-08-04 | 2020-08-04 | Printing platen positioning mechanism and elliptical printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213564936U true CN213564936U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021596051.2U Active CN213564936U (en) | 2020-08-04 | 2020-08-04 | Printing platen positioning mechanism and elliptical printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213564936U (en) |
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2020
- 2020-08-04 CN CN202021596051.2U patent/CN213564936U/en active Active
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