CN209738161U - mould of fixed screw thread initial point - Google Patents
mould of fixed screw thread initial point Download PDFInfo
- Publication number
- CN209738161U CN209738161U CN201822272608.6U CN201822272608U CN209738161U CN 209738161 U CN209738161 U CN 209738161U CN 201822272608 U CN201822272608 U CN 201822272608U CN 209738161 U CN209738161 U CN 209738161U
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- mounting section
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- thread
- sleeve
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Abstract
The utility model relates to a mold device field especially relates to a mold for fixing thread initial point. The screw is sequentially divided into a forming section, a front mounting section and a rear mounting section from top to bottom through a screw; the connecting part of the forming section and the front mounting section is a conical transition section, the outer side surface of the top of the forming end is provided with a starting tooth, the outer side of the top of the front mounting section is provided with a convex ring, and the rear mounting section is provided with an external thread; a first pin hole is formed in the side face of the convex ring; the outer sleeve of the convex ring is provided with a beryllium copper sleeve, and the beryllium copper sleeve is provided with a first through hole communicated with the first pin hole; the front mounting section below the beryllium copper sleeve is connected with a shaft sleeve through a key, the shaft sleeve extends from the front mounting section to the rear mounting section, and the upper part of the shaft sleeve is provided with a key slot hole; the bottom end of the rear mounting section is sleeved with a tooth socket; the center of the tooth socket is provided with a threaded hole, and the outer edge of the tooth socket is provided with two second pin holes and two waist-shaped holes opposite to each other; a mold for fixing the starting point of the thread is enabled to fix the starting point position of the thread.
Description
Technical Field
The utility model relates to a mold device field especially relates to a mold for fixing thread initial point.
Background
the plastic mold is a mold and a tool for injection molding of plastic products in industrial production; at present, when products are produced, certain plastic products have consistent requirements on thread starting points, but the existing mold has a single structure, is difficult to machine and has high cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can fix the mould at screw thread initial point position's a fixed thread initial point.
The technical scheme of the utility model as follows:
A mold for fixing a thread starting point is characterized by comprising a screw rod, wherein the screw rod is sequentially divided into a forming section, a front mounting section and a rear mounting section from top to bottom; the connecting part of the forming section and the front mounting section is a conical transition section, the outer side surface of the top of the forming end is provided with a starting tooth, the outer side of the top of the front mounting section is provided with a convex ring, and the rear mounting section is provided with an external thread; a first pin hole is formed in the side face of the convex ring; the outer sleeve of the convex ring is provided with a beryllium copper sleeve, and the beryllium copper sleeve is provided with a first through hole communicated with the first pin hole; the front mounting section below the beryllium copper sleeve is connected with a shaft sleeve through a key, the shaft sleeve extends from the front mounting section to the rear mounting section, and the upper part of the shaft sleeve is provided with a key slot hole; the bottom end of the rear mounting section is sleeved with a tooth socket; the thread sleeve is characterized in that a threaded hole is formed in the center of the thread sleeve, and two second pin holes are oppositely formed in the outer edge of the thread sleeve and two waist-shaped holes are oppositely formed in the outer edge of the thread sleeve.
And a six-inner-angle screw counter bore is formed in the bottom surface of the rear mounting section. The screw rod is more convenient to screw with the tool in a matched mode by adopting the hexagonal screw hole, and the first pin is installed.
And the top surface of the forming section is provided with a positioning column in a circular truncated cone shape. The positioning column is arranged to play a role in positioning when the screw rod is screwed.
The utility model has the advantages that: by arranging the first pin hole, when the screw is installed, the beryllium copper sleeve is connected with the pin hole through installing the pin, and when the beryllium copper sleeve is installed on the template, the exposed pin is clamped in the pin process groove of the template, so that the screw is limited to rotate; after the screw rod is fixed on the beryllium copper sleeve through the pin, the pin is detached after the shaft sleeve and the tooth are installed; at the moment, the gear is arranged at the key slot hole of the shaft sleeve, the gear is connected with the shaft sleeve through the matching of the key slot and the key, so that the shaft sleeve is driven to rotate by the rotation of the gear, the screw rod is indirectly driven to rotate, the screw rod is screwed inwards until the screw rod is screwed to the tooth and the template to be ejected, and the screw rod is screwed in place; at the moment, the teeth and the template are ejected, and the tooth pressing shaft sleeve processes the threaded holes and the pin holes on the template to match with the second pin holes and the threaded holes on the teeth to realize locking and fixing of the teeth; and finally, removing the pin hole and the threaded hole.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Wherein: FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the tooth socket structure of the present invention;
In the drawing, 1 is a screw rod, 2 is a molding section, 3 is a front mounting section, 4 is a rear mounting section, 5 is a conical transition part, 6 is a convex ring, 7 is an external thread, 8 is a first pin hole, 9 is a beryllium copper sleeve, 10 is a first through hole, 11 is a shaft sleeve, 12 is a key slot hole, 13 is a tooth socket, 14 is a second pin hole, 15 is a threaded hole, 16 is a hexagonal screw hole, 17 is a positioning column, and 18 is a starting point.
Detailed Description
referring to fig. 1, the mold for fixing the starting point of the thread is characterized by comprising a screw rod 1, wherein the screw rod is sequentially divided into a forming section 2, a front mounting section 3 and a rear mounting section 4 from top to bottom; the connecting part of the forming section and the front mounting section is a conical transition section 5, the outer side surface of the top of the forming end is provided with a thread starting point 18, the outer side of the top of the front mounting section is provided with a convex ring 6, and the rear mounting section is provided with an external thread 7; a first pin hole 8 is formed in the side face of the convex ring; the outer sleeve of the convex ring is provided with a beryllium copper sleeve 9, and the beryllium copper sleeve is provided with a first through hole 10 communicated with the first pin hole; the front mounting section below the beryllium copper sleeve is connected with a shaft sleeve 11 through a key, the shaft sleeve extends from the front mounting section to the rear mounting section, and the upper part of the shaft sleeve is provided with a key slot hole 12; the bottom end of the rear mounting section is sleeved with a tooth socket 13; the thread hole 15 is arranged in the center of the tooth socket, two second pin holes 14 are oppositely arranged on the outer edge of the tooth socket, and two waist-shaped holes are oppositely arranged on the outer edge of the tooth socket. By arranging the first pin hole, when the screw is installed, the pin is installed in the pin hole to be connected with the beryllium copper sleeve, and when the beryllium copper sleeve is installed on the template, the exposed pin is clamped in the pin process groove of the template, so that the screw is limited to rotate; after the screw rod is fixed on the beryllium copper sleeve through the pin, the shaft sleeve and the tooth socket are installed, the tooth socket is screwed to be tightly propped against the template, the tooth socket is pressed to process a threaded hole and a pin hole on the template, the tooth socket is fixed, and then the pin in the first pin hole is detached; the tooth socket is fixed on the template through the second pin hole and the screw, so that the tooth socket is better in fixing effect; the starting point of the thread is in the same position during each installation through the matching of the tooth socket and the screw rod (the principle of the screw and the nut).
And a six-inner-angle screw counter bore 16 is formed in the bottom surface of the rear mounting section. The screw rod is more convenient to screw with the tool in a matched mode by adopting the hexagonal screw hole, and the first pin is installed.
And the top surface of the forming section is provided with a positioning column 17 in a circular truncated cone shape. The positioning column is arranged to play a role in positioning when the screw rod is screwed.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.
Claims (3)
1. A mold for fixing a thread starting point is characterized by comprising a screw rod, wherein the screw rod is sequentially divided into a forming section, a front mounting section and a rear mounting section from top to bottom; the connecting part of the forming section and the front mounting section is a conical transition section, the outer side surface of the top of the forming end is provided with a starting tooth, the outer side of the top of the front mounting section is provided with a convex ring, and the rear mounting section is provided with an external thread; a first pin hole is formed in the side face of the convex ring; the outer sleeve of the convex ring is provided with a beryllium copper sleeve, and the beryllium copper sleeve is provided with a first through hole communicated with the first pin hole; the front mounting section below the beryllium copper sleeve is connected with a shaft sleeve through a key, the shaft sleeve extends from the front mounting section to the rear mounting section, and the upper part of the shaft sleeve is provided with a key slot hole; the bottom end of the rear mounting section is sleeved with a tooth socket; the thread hole is arranged in the center of the tooth socket, two second pin holes are oppositely arranged on the outer edge of the tooth socket, and two waist-shaped holes are oppositely arranged on the outer edge of the tooth socket.
2. The mold for fixing the starting point of the thread according to claim 1, wherein the bottom surface of the rear mounting section is provided with a countersunk hole of a six-inside-angle screw.
3. The mold for fixing the starting point of the thread according to claim 1, wherein the top surface of the molding section is provided with a positioning column in a truncated cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272608.6U CN209738161U (en) | 2018-12-29 | 2018-12-29 | mould of fixed screw thread initial point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272608.6U CN209738161U (en) | 2018-12-29 | 2018-12-29 | mould of fixed screw thread initial point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209738161U true CN209738161U (en) | 2019-12-06 |
Family
ID=68703323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822272608.6U Active CN209738161U (en) | 2018-12-29 | 2018-12-29 | mould of fixed screw thread initial point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209738161U (en) |
-
2018
- 2018-12-29 CN CN201822272608.6U patent/CN209738161U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |