CN211194112U - Mandrel for cutter roller die and cutter roller die - Google Patents
Mandrel for cutter roller die and cutter roller die Download PDFInfo
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- CN211194112U CN211194112U CN201921908534.9U CN201921908534U CN211194112U CN 211194112 U CN211194112 U CN 211194112U CN 201921908534 U CN201921908534 U CN 201921908534U CN 211194112 U CN211194112 U CN 211194112U
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Abstract
The utility model relates to a rotatory cross cutting machinery technical field especially relates to a cutter is dabber and cutter roller mould for roller mould, the dabber includes well shaft section, extension shaft section, connecting screw and driving pin, the both ends of well shaft section all are provided with the extension shaft section, all offer screw hole and round pin shaft hole on the terminal surface at the both ends of well shaft section, the screw hole is located the center department of terminal surface, connect the extension shaft section and offer the axle center through-hole, connecting screw passes in the screw hole of axle center through-hole lock income well shaft section that connects the extension shaft section, connect and offered round pin shaft hole on the terminal surface that the extension shaft section is close to well shaft section, the driving pin sets up in the round pin shaft hole of well shaft section and extension shaft section. In this scheme the dabber can reduce the draw ratio of well shaft part and extension shaft part, improves dabber machining rigidity in man-hour, reduces the processing degree of difficulty to satisfy the high requirement of high-speed cutter roller mould to the relative dabber bearing position radial runout of roll body excircle, use cost is low, and each shaft part is connected reliably.
Description
Technical Field
The utility model relates to a rotatory cross cutting machinery technical field especially relates to a cutter roller is dabber and cutter roller mould for mould.
Background
At present, the application of the rotary die cutting technology is more and more extensive, and the application industry relates to the industries of non-woven fabrics, leather products, plastic products, food and medicine packages, household paper, sanitary products and the like.
As shown in fig. 1, the conventional cutter roller die generally comprises a roller body and a mandrel, wherein the roller body is sleeved on the mandrel through interference fit, and the mandrel not only supports the roller body for rotary die cutting, but also plays a role in transmitting torque.
In the actual die cutting work, in order to realize high-speed rotary die cutting, the radial runout of the excircle of the roller body relative to the bearing position of the mandrel is required to be not more than 0.005 mm. The slender core shaft (the length-diameter ratio is more than 20) has large flexible deformation during machining due to poor rigidity, so that the machining difficulty is high, the machining cost is high, and the radial runout of the excircle of the roller body relative to the bearing position of the core shaft is more than 0.005mm, so that the use requirement of a high-speed cutter roller die cannot be met.
Disclosure of Invention
Therefore, the mandrel for the cutter roller die and the cutter roller die need to be provided, and the problems that in the prior art, the machining difficulty of a long and thin mandrel is high, the production cost is high, and the use requirement of the high-speed cutter roller die cannot be met are solved.
In order to achieve the purpose, the inventor provides a mandrel for a cutter roller die, the mandrel comprises a middle shaft section, an extension shaft section, a connecting screw rod and a driving pin, the extension shaft section is arranged at each of two ends of the middle shaft section, threaded holes and pin shaft holes are formed in end faces of two end portions of the middle shaft section, the threaded holes are located in the center of the end faces, an axle center through hole is formed in the extension shaft section, the connecting screw rod penetrates through the axle center through hole of the extension shaft section to be locked into the threaded holes of the middle shaft section, pin shaft holes are formed in end faces, close to the middle shaft section, of the extension shaft section, and the driving pin is arranged in the pin shaft holes of the middle shaft section and the extension shaft section.
As an optimized structure of the utility model, a counter bore has been seted up on the terminal surface of one side or both sides of well shaft section, extension shaft section part cover is located in the counter bore.
As a preferred structure of the utility model, it forms a stage to connect to offer the ring channel on the one end lateral wall that the long shaft section is close to well shaft section, in the counter bore of well shaft section was located to platform stage cover, the shaft shoulder in stage supported with the terminal surface of well shaft section and leaned on.
As a preferred construction of the present invention, the length of the stage is not greater than the depth of the counterbore.
As an optimal structure of the utility model, the counter bore clearance fit of extension shaft section and well shaft section.
As an optimal structure of the utility model, the driving pin is in clearance fit with the pin shaft holes on the middle shaft section and the extension shaft section respectively.
The utility model discloses in, the inventor still provides a cutter roller mould, including dabber and roll body, the dabber is foretell cutter roller for the mould dabber, the roll body cover is located on the well beam section of dabber.
Different from the prior art, the technical scheme has the following advantages: the utility model relates to a cutter roller is dabber and cutter roller mould for mould, wherein the dabber mainly comprises well axle section and extension axle section, well axle section passes through connecting screw and driving pin mechanical connection with the extension axle section that both ends set up and becomes whole, specifically through set up screw hole and round pin shaft hole on the terminal surface of well axle section, and set up axle center through-hole and corresponding round pin shaft hole at extension axle section, connecting screw passes in the screw hole of axle center through-hole lock income well axle section of extension axle section, realize well axle section and the fixed of extension axle section, and install the driving pin in well axle section and the round pin shaft hole of extension axle section, be used for transmitting the moment of torsion. In this scheme, the dabber can reduce the draw ratio of well shaft part and extension shaft part, improves dabber machining-hour rigidity, reduces the processing degree of difficulty, improves machining efficiency to satisfy the high requirement of the relative dabber bearing position runout of high-speed cutter roller mould to the roll body excircle, use cost is low, and each shaft part is connected reliably, and it is convenient to dismantle, and the equipment precision is high.
Drawings
Fig. 1 is a schematic front view of a prior art cutter roller die;
fig. 2 is a partial cross-sectional view of the cutter roller die in accordance with an embodiment.
Description of reference numerals:
1. a mandrel;
11. a middle shaft section;
12. lengthening the shaft section;
13. connecting a screw rod;
14. a drive pin;
15. a stage of stage;
2. and a roller body.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 2, the present invention provides a mandrel for a cutter roller die, which is used for rotary die cutting and is suitable for processing plastic products and paper products. Specifically, the mandrel 1 includes a middle shaft section 11, an elongated shaft section 12, a connecting screw 13 and a driving pin 14, the elongated shaft section 12 is disposed at both ends of the middle shaft section 11, a threaded hole and a pin shaft hole are disposed on end faces of both ends of the middle shaft section 11, the threaded hole is located at the center of the end face, an axis through hole is disposed on the elongated shaft section 12, the connecting screw 13 passes through the axis through hole of the elongated shaft section 12 and is locked into the threaded hole of the middle shaft section 11, the pin shaft hole is disposed on an end face of the elongated shaft section 12 close to the middle shaft section 11, and the driving pin is disposed in the pin shaft holes of the middle shaft section 11 and the elongated shaft section 12. The mandrel 1 is used as an installation shaft of the roller body 2 and used for driving the roller body 2 to rotate. Specifically, the roller body 2 is sleeved on the middle shaft section 11, and the middle shaft section 11 and the roller body 2 are in interference fit, so that the roller body 2 can be firmly sleeved on the middle shaft section 11. The extension shaft section 12 is mainly used for increasing the length of the whole mandrel 1 on the basis of the middle shaft section 11, and is connected with a rotary driving mechanism, so that the whole mandrel 1 performs rotary motion. The connecting screw 13 is used for fixing the elongated shaft section 12 and the middle shaft section 11. Specifically, an axis through hole is formed in the elongated shaft section 12, threaded holes are formed in end faces of two end portions of the middle shaft section 11, and the connecting screw 13 penetrates through the axis and is locked into the threaded holes, so that the middle shaft section 11 and the elongated shaft section 12 are fixed. The driving pin 14 is used for connecting the middle shaft section 11 and the extended shaft section 12 and transmitting torque. Specifically, the end face of the middle shaft section 11 opposite to the extended shaft section 12 is provided with a corresponding pin shaft hole, and two ends of the driving pin 14 are respectively installed in the middle shaft section 11 and the extended shaft section 12. Preferably, the number of the driving pins may be 1 or more. In the actual assembly process, the driving pin 14 needs to be installed first, and then the connecting screw 13 is used to fix the central shaft section 11 and the extension shaft section 12.
The utility model relates to a cutter roller is dabber and cutter roller mould for mould, wherein dabber 1 mainly comprises axis section 11 and extension shaft section 12, extension shaft section 12 that axis section 11 and its both ends set up passes through connecting screw 13 and 14 mechanical connection of driving pin becomes whole, specifically through set up screw hole and round pin shaft hole on the terminal surface of axis section 11, and set up axle center through-hole and corresponding round pin shaft hole at extension shaft section 12, connecting screw 13 passes in the screw hole of axis center through-hole lock income well shaft section 11 of extension shaft section 12, realize well shaft section 11 with extend shaft section 12 fixed, and install driving pin 14 in well shaft section 11 and extension shaft section 12's round pin shaft hole, for the transmission moment of torsion. In this scheme, dabber 1 can reduce the draw ratio of well spindle nose 11 and extension spindle nose 12, improves the rigidity of 1 dabber of dabber 1 during machining, reduces the processing degree of difficulty, improves machining efficiency to satisfy the high requirement of the relative dabber 1 bearing position radial runout of high-speed cutter roller mould to 2 excircles of roll body, use cost is low, and each spindle nose is connected reliably, and it is convenient to dismantle, and the equipment precision is high.
In the embodiment shown in fig. 2, a counter bore is formed in an end surface of one or both sides of the middle shaft section 11, and the extended shaft section 12 is partially sleeved in the counter bore. In this embodiment, the extended shaft section 12 is partially disposed in the counterbore, and under the limiting effect of the counterbore and the joint action of the connecting screw 13, the middle shaft section 11 and the extended shaft section 12 are connected more firmly. Specifically, the elongated shaft section 12 is in clearance fit with a counter bore of the middle shaft section 11. The gap is 0-0.02mm
Referring to fig. 2, as a preferred embodiment of the present invention, an annular groove forming stage 15 is disposed on a side wall of the extended shaft section 12 near the middle shaft section 11, the stage 15 is sleeved in a counter bore of the middle shaft section 11, and a shoulder of the step section 15 abuts against an end surface of the middle shaft section 11. The platform stage 15 is arranged to further ensure the connection firmness of the middle shaft section 11 and the extension shaft section 12. Preferably, to ensure that the shoulder of the land 15 is in sufficient contact with the end face of the intermediate shaft section, the length of the land 15 is no greater than the depth of the counterbore. Specifically, the driving pin 14 is in clearance fit with pin shaft holes on the middle shaft section 11 and the extended shaft section 12 respectively. Preferably, the gap is 0.01-0.03 mm.
As shown in fig. 2, the utility model discloses in, still disclose a cutter roller mould, including dabber and roll body 2, the dabber is foretell cutter roller mould and uses the dabber, 2 covers of roll body are located on the axis section 11 of dabber 1. The cutter grinding roller is used for processing non-woven fabrics, leather products, plastic products, food and medicine packages, household paper and sanitary articles. Use in the cutter roller mould the utility model provides a novel dabber 1 can reduce the draw ratio of well shaft section 11 and extension shaft section 12, improves the rigidity of 1 dabber of dabber 1 machining in-process, satisfies the high requirement of high-speed cutter roller mould to the relative dabber 1 bearing position radial runout of 2 excircles of roll body, the more favourable going on of rotatory cross cutting work.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a dabber for cutter roller mould, its characterized in that, the dabber includes well shaft segment, extension shaft segment, connecting screw and driving pin, the both ends of well shaft segment all are provided with extension shaft segment, all seted up screw hole and round pin shaft hole on the terminal surface at the both ends of well shaft segment, the screw hole is located the center department of terminal surface, connect the extension shaft segment and seted up the axle center through-hole, connecting screw passes the axle center through-hole lock of extension shaft segment and goes into in the screw hole of well shaft segment, connect the extension shaft segment and seted up the round pin shaft hole on being close to the terminal surface of well shaft segment, the driving pin sets up in the round pin shaft hole of well shaft segment and extension shaft segment.
2. The mandrel for the cutter roller die as claimed in claim 1, wherein a counter bore is formed in an end surface of one side or both sides of the middle shaft section, and the extension shaft section is partially sleeved in the counter bore.
3. The mandrel for the cutter roller die as claimed in claim 2, wherein an annular groove is formed in a side wall of one end of the extension shaft section, which is close to the middle shaft section, to form a step, the step is sleeved in a counter bore of the middle shaft section, and a shoulder of the step abuts against an end face of the middle shaft section.
4. The mandrel for a cutter roller die as claimed in claim 3, wherein the length of said land stage is not greater than the depth of the counterbore.
5. The mandrel as claimed in claim 2 wherein said elongated shaft section is clearance fit with a counterbore of said central shaft section.
6. The mandrel for a cutter roller die as claimed in claim 1, wherein the driving pin is clearance fitted to the pin shaft holes of the central shaft section and the extended shaft section, respectively.
7. A cutter roller die comprises a mandrel and a roller body, and is characterized in that the mandrel is the mandrel for the cutter roller die according to any one of claims 1 to 6, and the roller body is sleeved on the middle shaft section of the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908534.9U CN211194112U (en) | 2019-11-07 | 2019-11-07 | Mandrel for cutter roller die and cutter roller die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908534.9U CN211194112U (en) | 2019-11-07 | 2019-11-07 | Mandrel for cutter roller die and cutter roller die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211194112U true CN211194112U (en) | 2020-08-07 |
Family
ID=71852926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921908534.9U Active CN211194112U (en) | 2019-11-07 | 2019-11-07 | Mandrel for cutter roller die and cutter roller die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211194112U (en) |
-
2019
- 2019-11-07 CN CN201921908534.9U patent/CN211194112U/en active Active
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