TWM558672U - Screw threader set - Google Patents

Abstract

The new screw rubbing plate set mainly comprises a plurality of high-tooth dentitions arranged at intervals on each rubbing tooth surface, a plurality of low-tooth dentitions interlaced with the high-tooth dentitions, and a plurality of tangent to the high-tooth dentitions. Twisted tendons, plural triangular ribs that are tangent to some of the higher and lower teeth, and plural non-slip teeth connected to the triangular ribs, and a plurality of knives are provided on one of the rubbing surfaces Tooth pattern, so that the screw formed by the screw rubbing plate group has a relative thread, so that the screw can effectively open and rotate the object at the initial stage of the drill lock, and at the same time effectively discharge the generated chips, thereby improving the smoothness of chip removal, At the same time, it is possible to prevent the screw from breaking due to an increase in the locking resistance. Furthermore, after the screw is locked, the screw is tightly engaged with the object, thereby effectively improving the locking stability of the screw.

Description

Screw rubbing plate group

The present invention relates to a dental rubbing plate structure, particularly a screw dental rubbing plate group.

Check, the screw rubbing plate group is a two-sided rubbing plate installed on the rubbing machine. These rubbing plates are respectively provided with a plurality of tooth patterns, so that the screw rod body can form a plurality of relative threads. Therefore, the The screw rubbing plate group is a commonly used thread forming tool for processing screws and bolts in the industry; however, the common screw rubbing plate group has only one type of tooth pattern, which makes the processed screw thread too monotonous and has limited use. Furthermore, when the screw is screwed into a wall or other hard object, it is easy to cause the screw to break, and at the same time, the chips generated during the screw cutting process cannot be discharged in time, so that the screw cannot continue to screw in. It also increases the difficulty of locking, making the screw unable to effectively lock tightly with the object. If an external force is applied, the screw is more likely to loosen, shake, or fall off, making the screw's locking stability not good; therefore , How to design a method to enhance the screw-cutting ability of the forming screw, at the same time improve the chip removal smoothness, reduce the break rate of the screw during the locking process, and improve the screw locking stability Screw Roll plate group, target of the efforts of the public.

Therefore, the purpose of the present invention is to provide a screw rubbing plate set, the formed screws can be locked against hard objects, effectively preventing the occurrence of the breakage of the lock, and greatly improving the lock stability and chip removal. .

Thus, the new type of screw rubbing tooth plate group includes two rubbing tooth plates which are oppositely arranged, and each of the rubbing tooth plates has a rubbing tooth surface, which are respectively formed at the lead-in end and the molding end on both sides of the rubbing tooth surface, and The top and bottom ends of the rubbing surface are formed respectively, wherein the rubbing surfaces are provided with a plurality of high tooth patterns arranged at intervals, a plurality of low tooth patterns interlaced with the high tooth patterns, and a plurality of the tooth patterns. Twisted tendons that are tangent to the teeth, plural triangular ridges that are tangent to some of the high and low teeth, and plural anti-skid teeth that are connected to the triangular ridges; There are a plurality of tooth teeth patterns; therefore, the screws formed by the screw rubbing plate group have a plurality of corresponding high thread, twisted thread, low thread, and triangular edge thread, etc., so that it can be used for drilling. In the initial stage of the lock, the object is opened by the triangular rib threads, and the object is further cut through the high-thread threads. At the same time, the generated chips can be discharged along the twisted rib threads to avoid the increase of the locking resistance and the screw to break. Events occur, effectively improve the row Smoothness, and finally those with a low increase in thread engagement area of the object, so that after the screw was locked into intimate locking contact with the object, and more to enhance the stability of engagement of the lock screw.

The foregoing and other technical contents, features, and effects of the present invention will be clearly understood in the following detailed description of the preferred embodiments with reference to the drawings.

Referring to FIG. 1, a preferred embodiment of the new type of screw tooth plate 1 includes a first tooth plate 11 and a second tooth plate 12. FIG. 2, the lengths of the first and second tooth flossing plates 11 and 12 can be set to be equal lengths or different lengths according to actual requirements. The first and second tooth flossing plates 11 and 2 The length of the tooth plate 12 is set to be unequal, that is, the length of the first tooth plate 11 is shorter than the length of the second tooth plate 12 as an example; the first and second tooth plates 11 and 12 each have a tooth The tooth surface 13 is formed with an introduction end 14 and a molding end 15 on both sides of the rubbing surface 13, and a top end 16 and a bottom end 17 respectively formed on the upper and lower sides of the rubbing surface 13, and the rubbing surface 13 is introduced. The terminal 14 defines a reference line R.

Continued as described above, each rubbing tooth surface 13 has a plurality of high-tooth ridges 131 arranged at an oblique interval, and the plurality of high-tooth ridges 131 are arranged in parallel with the high-tooth ridges 131 and are adjacent to the low-tooth ridges 132 of the top 16 (as shown in the figure). 6), the plural numbers are tangent to the high-tooth dentitions 131 and are adjacent to the twisted tooth dents 133 of the bottom end 17 (that is, as shown in FIG. 6), and the plural numbers are similar to some of the high-tooth dentitions 131 and some of the low-tooth dentitions 132. The cut triangular ribs 134 and a plurality of anti-skid teeth 135 connected to the triangular ribs 134, and the triangular ribs 134 are extended from the forming end 15 toward the lead-in end 14, and the non-slip teeth 135 extends from the introduction end 14 toward the forming end 15.

Continuing from the foregoing, the high-tooth dentitions 131 are located at the center of the rubbing surface 13 with the longest length, and are gradually tapered toward the molding end 15 and the lead-in end 14, respectively. The inclination angle of the high-tooth ridges 131 and the reference line R is 1 to 10 degrees; in addition, the twisted teeth ridges 133 extend from the forming end 15 to the lead-in end 14 and the twisted teeth The inclination angle between the ridges 133 and the high-tooth dents 131 is 30 ~ 60 degrees; and the triangular ridges 134 are gradually tapered from the forming end 15 toward the lead-in end 14, and the non-slip teeth 135 are The lead-in end 14 extends toward the forming end 15 and tapers to connect with the triangular ribs 134. The anti-skid teeth 135 are formed opposite to one of the lead-in end 15 and the tip 16 Everything sharp 137.

Referring to FIG. 2 and FIG. 6, a plurality of knife tooth patterns 136 adjacent to the forming end 15 and the bottom end 17 are additionally provided on one of the rubbing tooth surfaces 13. The following are formed by these knife tooth patterns 136. The second rubbing tooth plate 12 is taken as an example for description, and the knife teeth ridges 136 are arranged in a parallelogram shape, and the short sides of the knife teeth 136 are perpendicular to the reference line R. The The inclination angle between the long side of the equal-toothed tooth pattern 136 and the reference line R is 6-20 degrees.

Referring to FIG. 1 and FIG. 3-4, when using the screw rubbing plate group 1, it is set on a screw rubbing machine (not shown) in order to place a blank on the first rubbing The tooth-brushing operation is performed between the tooth plate 11 and the second tooth-brushing plate 12, the blank enters from the introduction end 14 and is rubbed by the first and second tooth-brushing plates 11, 12 to squeeze and rub teeth, At the same time, after the rubbing is completed, the molding end 15 is used to lead out; therefore, the high-tooth ridges 131, low-tooth ridges 132, twisted ridges 133, triangular ribs 134 and The cutting point 137 and the second toothbrushing plate 12 are further provided with the knife tooth patterns 136. With reference to FIG. 7 and FIG. 8, the formed screw 3 has a rod body 31 and is connected respectively. The bottom portion 32 and the tip portion 33 of the two ends of the rod body 31 are provided with a plurality of high-threads 311 extending from the bottom portion 32 to the tip portion 33 and provided with a plurality of knife teeth 3111. The torsion threads 312 intersecting the helical thread 311 and spirally arranged, the plurality of low thread 313 staggered and spaced from the high thread 311, and the plurality of threads are directed from the tip 33 toward The triangular rib threads 314 extending from the bottom 32, and the low-thread threads 313 do not intersect with the high-thread threads 311. Therefore, the triangular-thread threads 314 can effectively open objects at the initial stage of the drill lock (not shown in the figure) To effectively cut the object with the cutting teeth 3111 of the high thread 311, the generated chips can be discharged outward along the twisted thread 312, so as to prevent the increase of the locking resistance and the breakage of the screw 3, This further improves the chip removal smoothness of the screw 3, and further, the low-threads 313 can be tightly locked with the object after the screw 3 is locked, further improving the locking stability of the screw 3.

Summarizing the foregoing, the new screw rubbing plate group is provided with the high-tooth tooth pattern, the low-tooth tooth pattern, the twisted tooth pattern, and the triangular rib tooth pattern by the rubbing tooth surfaces, and one of the rubbing tooth surfaces is separately provided With these knife teeth and tooth patterns, the formed screw can effectively open and rotate the object at the initial stage of the drill lock, and at the same time, discharge the chips generated by the rotation to prevent the chips from increasing the locking resistance and As a result, the screw breaks, which can effectively improve the smoothness of chip removal of the screw. After the screw is locked, the screw is tightly locked with the object, which further improves the locking stability of the screw.

However, the above are only for explaining the preferred embodiments of the present invention. When the scope of the implementation of the present invention cannot be limited by this, that is, the simple equivalent changes and modifications made according to the scope of the patent application of the new application and the content of the new specification , All should still fall within the scope of this new patent.

(This creation)

1‧‧‧Screw tooth plate

11‧‧‧The first tooth plate

12‧‧‧ second rubbing plate

13‧‧‧ Rubbing face

14‧‧‧ import side

15‧‧‧Shaped end

16‧‧‧ Top

17‧‧‧ bottom

131‧‧‧High tooth texture

132‧‧‧Low tooth profile

133‧‧‧Twisted Teeth

134‧‧‧Triangular Tooth Pattern

135‧‧‧Slip-proof teeth

136‧‧‧Tooth Teeth

137‧‧‧cut tip

R‧‧‧ baseline

3‧‧‧ embryo

31‧‧‧ Rod

32‧‧‧ bottom

33‧‧‧ Tip

311‧‧‧High thread

312‧‧‧ twisted thread

313‧‧‧Low thread

314‧‧‧Triangular Edge Thread

3111‧‧‧Tooth

FIG. 1 is a schematic diagram of a preferred embodiment of the present invention. FIG. 2 is a schematic perspective view of a preferred embodiment of the present invention. Figure 3 is a side view of the lead-in end of a preferred embodiment of the present invention. Fig. 4 is a side view of a forming end of a preferred embodiment of the present invention. Figures 5-6 are enlarged views of partial components of a preferred embodiment of the present invention. FIG. 7 is a schematic diagram of a forming screw according to a preferred embodiment of the present invention. Fig. 8 is a schematic sectional view taken along the line A-A in Fig. 7.

Claims (10)

A screw rubbing tooth plate group includes two corresponding rubbing tooth plates, and each of the rubbing tooth plates has a rubbing tooth surface, which are respectively formed at the lead-in end and the shaping end of the rubbing tooth surface, and are formed separately. The top and bottom ends of the rubbing surface are defined by a reference line; the leading end of the rubbing surface is defined by a reference line; and each of the rubbing surfaces has a plurality of high tooth patterns arranged at oblique intervals. The high tooth patterns are arranged in parallel staggered and adjacent to the top low tooth patterns, a plurality of tangent to the high tooth patterns and adjacent to the twisted tooth patterns of the bottom end, and the plurality are tangent to some of the high tooth patterns and low tooth patterns And the triangular ribs extending from the molding end toward the lead-in end, and a plurality of anti-skid teeth extending from the lead-in end toward the molding end and connecting with the triangular ribs, and one of the rubbing teeth on the other There are multiple knife teeth. According to the screw rubbing plate set described in item 1 of the scope of the patent application, wherein the high tooth profile is located at the center of the rubbing face and has the longest length, and is gradually tapered toward the forming end and the lead-in end. According to the screw rubbing plate set according to item 1 of the scope of the patent application, a low-tooth pattern is provided between any two high-tooth patterns. According to the screw rubbing plate set described in item 1 of the scope of the patent application, the inclination angle of the high tooth profile and the reference line is 1 to 10 degrees. According to the screw rubbing plate set according to item 1 of the scope of patent application, the total length of one rubbing plate is greater than the total length of the other rubbing plate. According to the screw rubbing plate set described in item 1 of the scope of the patent application, wherein the tooth teeth are adjacent to the forming end and are arranged in a parallelogram shape, and the short sides of the tooth teeth are in line with the reference line. Set vertically, and the inclination angle between the long sides of the teeth and the reference line is 6-20 degrees. According to the screw rubbing plate set described in item 1 of the scope of the patent application, wherein the twisted tooth patterns extend from the forming end to the lead-in end, the inclination angle of the twisted tooth patterns and the high tooth pattern is It is 30 ~ 60 degrees. According to the screw rubbing plate set described in item 1 of the scope of the patent application, wherein the triangular ribs are gradually tapered from the forming end toward the lead-in end, and the non-slip teeth are directed from the lead-in end toward the The direction of the forming end is gradually reduced. According to the screw rubbing plate set according to item 1 or item 8 of the scope of the patent application, wherein the non-slip teeth are opposite to one end of the lead-in end and the top end forms all sharp edges. According to the screw rubbing plate set according to item 1 of the scope of the patent application, wherein the screw formed by the screw rubbing plate set includes a rod body, a bottom portion disposed on one end of the rod body, and a rod portion The tip of the other end of the body; wherein, the rod body is provided with a plurality of high thread threads extending from the bottom to the tip portion, a plurality of twisted thread threads intersecting with the high thread threads and spirally arranged, and the plurality of threads Contour threads are staggered low threads, and a plurality of triangular rib threads extending from the tip toward the bottom, and the low threads do not intersect with the high threads, and the high threads are provided with There are multiple cutter teeth.