CN217319102U

CN217319102U - Die for stripping screw teeth from internal and external teeth in small space

Info

Publication number: CN217319102U
Application number: CN202220148808.4U
Authority: CN
Inventors: 翁铁建; 翁兰球
Original assignee: Jt Mold Technology Co ltd
Current assignee: Jt Mold Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-30
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a little is apart from interior external tooth and takes off mould of thread relates to the mould field, which comprises a template, the one end of template is provided with servo motor, servo motor's output is rotated through the axis of rotation and is connected with the first transmission gear of array, servo motor's one end bottom is kept away from to first transmission gear is provided with the transmission shaft, bottom one side of transmission shaft is provided with second drive gear, and is provided with the second bearing on the second drive gear, second drive gear's outer wall is provided with rather than the gear wheel that cooperatees, the internal tooth connection of gear wheel has the pinion, the bottom through connection of pinion has the thread core. The utility model discloses because the gear wheel is inside and outside tooth gear, so the gear wheel drives inside pinion and rotates to roll out the screw thread core, reduce the concrete mould of the same chamber number in product ranking interval and reduce by a wide margin, the cost of manufacture of mould reduces, shortens the mould and injects life cycle, makes its mould operation more steady.

Description

Die for stripping threads from internal and external teeth at small intervals

Technical Field

The utility model relates to a mould field specifically is a booth takes off mould of thread apart from interior external tooth.

Background

The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like.

The plastic die of the thread hank tooth generally adopts the mode of the rotatory hank tooth that screw thread core and external gear or rack combine to realize at present, and some screw thread hank tooth products that the body is little lead to the product to arrange the position interval big thereby the mould body utensil grow to lead to the material because of the reason of current hank tooth structure, and processing cost increases, and customer manufacturing cost increases, leads to its production cycle extension.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a little is apart from interior external tooth and takes off mould of thread to thereby solve the big mould utensil grow of product ranking interval and lead to the material, the processing cost increases, and customer manufacturing cost increases, leads to its production cycle elongated technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a little is apart from mould that external tooth takes off thread in, includes the template, the one end of template is provided with servo motor, servo motor's output is connected with the first transmission gear of array through the axis of rotation, and intermeshing between the first transmission gear, servo motor's one end bottom is kept away from to first transmission gear is provided with the transmission shaft, and the outside both ends of transmission shaft all are provided with the double-core bearing, bottom one side of transmission shaft is provided with the second drive gear rather than the meshing, and is provided with the second bearing on the second drive gear, second drive gear's outer wall is provided with rather than the gear wheel that cooperatees, and the gear wheel is inside and outside double tooth, the internal tooth connection of gear wheel has the pinion, the bottom through connection of pinion has the thread core, and its inboard is provided with and supplies thread core pivoted screw thread.

Through adopting above-mentioned technical scheme, because the gear wheel is inside and outside tooth gear, so the gear wheel drives inside pinion and rotates to roll out the screw core, reduce the product and arrange the position interval and reduce by a wide margin with the equal chamber number bed moulding utensil, the cost of manufacture of mould reduces, shortens mould injection production cycle, and production efficiency improves, and the mould body utensil diminishes relatively, makes its mould operation more steady.

The utility model discloses further set up to, the external tooth of gear wheel runs through and is provided with first bearing.

Through adopting above-mentioned technical scheme, can prevent through first bearing that the external tooth of gear wheel from contacting with the template inner wall, cause the template to damage.

The utility model discloses further set up to, the outside of screw thread core is provided with the navigation key.

Through adopting above-mentioned technical scheme, play the positioning action to it through the location key, prevent to roll out the in-process, the thread core takes place offset.

The utility model discloses further set up to, the top of pinion all links to each other with the activity of screw core through the roof.

Through adopting above-mentioned technical scheme, pinion rotation drives the screw core and rotates to drive the top roof and carry out the rebound, realize outwards promoting the product.

The utility model discloses further set up to, first drive gear all carries out fixed connection through the fitting pin with second drive gear.

Through adopting above-mentioned technical scheme, be provided with the installation round pin, guarantee that it can not take place to drop in carrying out the pivoted process, protect the template.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses a servo motor rotates and drives first drive gear and rotates, and the transmission shaft drives the gear wheel and rotates, because the gear wheel is inside and outside tooth gear, so the gear wheel drives inside pinion and rotates to roll out the screw thread core, reduce the same chamber number of product ranks interval bed die utensil and reduce by a wide margin, the cost of manufacture of mould reduces, shortens the mould injection life cycle, and production efficiency improves, and the mould body utensil diminishes relatively, makes its mould operation more steady.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional top view of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. a template; 2. a servo motor; 3. a rotating shaft; 4. a first drive gear; 5. a drive shaft; 6. a second transmission gear; 7. a second bearing; 8. a bull gear; 9. a pinion gear; 10. a threaded core; 11. a first bearing; 12. a positioning key; 13. checking the bearing; 14. and (6) installing a pin.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

A mold for removing threads from internal and external teeth with small pitches comprises a mold plate 1, wherein a servo motor 2 is arranged at one end of the mold plate 1, the output end of the servo motor 2 is rotatably connected with a plurality of groups of first transmission gears 4 through a rotating shaft 3, the first transmission gears 4 are meshed with each other, a transmission shaft 5 is arranged at the bottom of one end, far away from the servo motor 2, of each first transmission gear 4, rechecking bearings 13 are arranged at two ends of the outer side of the transmission shaft 5, the transmission efficiency of the transmission shaft 5 is ensured by the rechecking bearings 13, a second transmission gear 6 meshed with the transmission shaft 5 is arranged on one side of the bottom end of the transmission shaft 5, a second bearing 7 is arranged on the second transmission gear 6, a large gear 8 matched with the second transmission gear 6 is arranged on the outer wall of the second transmission gear 6, the large gear 8 is an internal and external double gear, and the large gear 8 is an internal and external gear, so that the large gear drives an internal small gear to rotate, thereby roll out screw thread core 10, dwindle product rank position interval and wait the chamber number bed mould reduce by a wide margin, shorten mould injection life cycle, production efficiency improves, and the internal gearing of gear wheel 8 has pinion 9, and the bottom through connection of pinion 9 has screw thread core 10, and its inboard is provided with and supplies screw thread core 10 pivoted screw thread.

Referring to fig. 1, the outer teeth of the large gear 8 are provided with a first bearing 11, and the first bearing 11 can prevent the outer teeth of the large gear 8 from contacting the inner wall of the formwork 1 to damage the formwork.

Referring to fig. 1, a positioning key 12 is disposed outside the threaded core 10, and the positioning key 12 is used to position the threaded core to prevent the threaded core 10 from shifting during the rotation process.

Referring to fig. 1 and 2, the top of the pinion 9 is connected to the threaded core 10 through a top plate, and the rotation of the pinion 9 drives the threaded core 10 to rotate, so as to drive the top plate of the top to move upwards, thereby pushing the product outwards.

Referring to fig. 3, the first transmission gear 4 and the second transmission gear 6 are fixedly connected by a mounting pin 14, and the mounting pin 14 is provided to ensure that the first transmission gear and the second transmission gear do not fall off.

The utility model discloses a theory of operation does: when the mould is in operation, when the servo motor 2 on the mould plate 1 in the mould opening state is started, the top end of the servo motor 2 is connected with the first transmission gears 4 through the rotating shaft 3, a plurality of groups of the first transmission gears 4 are matched to drive the transmission shaft 5 to rotate, two ends of the outer wall of the transmission shaft 5 are both provided with the checking bearings 13, the rotating stability of the transmission shaft is ensured, the transmission shaft 5 is prevented from shaking, the transmission effect is not ideal, the first transmission gear 4 at the bottom end of the transmission shaft 5 is meshed with the second transmission gear 6 at one side to rotate, so as to drive the large gear 8 to rotate, because the large gear 8 is an internal gear and an external gear, the internal teeth of the large gear 8 drive the internal pinion 9 to rotate, so as to rotate the threaded core 10 out, the mould with the same cavity number and the product displacement space is reduced greatly, the manufacturing cost of the mould is reduced, and the injection cycle of the mould is shortened, production efficiency improves, and the mould body utensil diminishes relatively, makes its mould operation more steady, is provided with the installation round pin 14 respectively on first drive gear 4 and second drive gear 6, guarantees that it can not take place to drop, and the inside navigation key 12 that is provided with of screw core 10 simultaneously plays the positioning action to it, prevents to roll out the in-process, and screw core 10 takes place offset.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a mould that external tooth takes off thread in close interval, includes template (1), its characterized in that: the one end of template (1) is provided with servo motor (2), the output of servo motor (2) is rotated through axis of rotation (3) and is connected with the first drive gear of several groups (4), and intermeshing between first drive gear (4), the one end bottom that servo motor (2) were kept away from in first drive gear (4) is provided with transmission shaft (5), and the outside both ends of transmission shaft (5) all are provided with recheck bearing (13), bottom one side of transmission shaft (5) is provided with second drive gear (6) rather than the meshing, and is provided with second bearing (7) on second drive gear (6), the outer wall of second drive gear (6) is provided with rather than cooperation gear wheel (8), and gear wheel (8) are inside and outside double teeth, the internal gearing of gear wheel (8) has pinion (9), the bottom through connection of pinion (9) has thread core (10), and the inner side of the screw thread is provided with a screw thread for the rotation of the screw thread core (10).

2. The mold for the small-pitch internal and external tooth thread stripping according to claim 1, wherein: and the outer teeth of the large gear (8) are provided with a first bearing (11) in a penetrating way.

3. The mold for the small-pitch internal and external tooth thread stripping according to claim 1, wherein: and a positioning key (12) is arranged on the outer side of the thread core (10).

4. The mold for the small-pitch internal and external tooth thread stripping according to claim 1, wherein: the top of the pinion (9) is movably connected with the thread core (10) through a top plate.

5. The mold for separating the helical threads with the small internal and external teeth distance according to claim 1, wherein: the first transmission gear (4) and the second transmission gear (6) are fixedly connected through a mounting pin (14).