CN219851903U - Combined type umbrella tooth screw die - Google Patents
Combined type umbrella tooth screw die Download PDFInfo
- Publication number
- CN219851903U CN219851903U CN202321099337.3U CN202321099337U CN219851903U CN 219851903 U CN219851903 U CN 219851903U CN 202321099337 U CN202321099337 U CN 202321099337U CN 219851903 U CN219851903 U CN 219851903U
- Authority
- CN
- China
- Prior art keywords
- thread
- screw
- plate
- tooth
- umbrella
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000010079 rubber tapping Methods 0.000 claims abstract description 8
- 229910000669 Chrome steel Inorganic materials 0.000 claims description 3
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of screw metal processing dies, in particular to a combined umbrella tooth screw die which comprises a screw movable plate and a screw fixed plate which are oppositely arranged, wherein a gap for a screw blank to pass through is formed between the screw movable plate and the screw fixed plate, and the upper surface of the screw movable plate and the lower surface of the screw fixed plate are arranged from the upper end to the lower end; in the combined screw thread plate die, the structures of the first thread umbrella teeth and the second thread conical umbrella teeth are respectively arranged on the die plates of the thread rolling movable plate and the thread rolling fixed plate, so that the manufactured finished screw thread is in a combined mode, the functions of diversified combination and one-step forming of threads are achieved, the functions of gradually expanding the hole site of a workpiece in the process of tapping the thread of the finished screw into the workpiece, continuously extruding the hole site of the workpiece to enable the hole site of the workpiece to be turned downwards and the function of effectively improving the drawing force are achieved.
Description
Technical Field
The utility model relates to the technical field of screw metal processing dies, in particular to a combined umbrella tooth screw tooth plate die.
Background
The screw thread plate is a thread rolling plate and is used for processing bolts, screw taps and fastening connecting pieces, and adopts cold extrusion and cold rolling forming technology to extrude and form the screw light nails into a threaded mold.
The structure of the existing dental plate die consists of a movable thread rolling die and a fixed thread rolling die, a fastening connecting piece after heat treatment is processed, the insection is required to bear the action of severe impact load and extrusion stress during working, when the insection of the fastening connecting piece is extruded for 3-5mm, the hardness is 58-61HRC, quenching forming is adopted, the dental plate die has extremely high hardness, strength and wear resistance, the dental plate is provided with only one insection groove at present, the produced thread is in a shape, the inclination angle and depth of the thread are fixed, the single nature is realized, the drawing force of the produced fastening connecting piece under the action of the same insection is fixed, and the abrasion, distortion and deformation defects of the threaded connection can exist due to the uneven effect of the extrusion and the shearing stress when the fastening connecting piece is used for connecting other workpieces.
For example, application number CN201920211586.4 discloses a dental lamina die for producing precision line pressing screw, including moving dental lamina, quiet dental lamina, tooth line, groove, tail line, finished screw, entrance slope, exit slope, screw bottom, undercut and screw flat head structure, the tooth line that goes out through the access at quiet dental lamina both sides sets up the slope of slope for convenience feeding and ejection of compact, and the undercut through setting up the groove formation finished screw can make the thread end roll in the finished screw use, be used for fixing, but there is the tooth line singleness, drawing force can not improve, connect the problem of easy loosening.
Therefore, the screw die disclosed by the above-mentioned has the problem that the drawing force is not high enough when the threads are single and are fastened and connected, and the problem that the produced screw is a cylindrical flat head, the time and the labor are wasted when the screw is driven into a wall body and the contact area is large.
Disclosure of Invention
The utility model aims to provide a combined type umbrella tooth screw die for solving the technical problems in the background technology.
In order to achieve the above purpose, the utility model discloses a combined umbrella thread screw die, which comprises a thread rolling movable plate and a thread rolling fixed plate which are oppositely arranged, wherein a gap for a screw blank to pass through is formed between the thread rolling movable plate and the thread rolling fixed plate, a first thread umbrella tooth and a second thread conical umbrella tooth are respectively arranged on the upper surface of the thread rolling movable plate and the lower surface of the thread rolling fixed plate in sequence from the upper end to the lower end, tail threads are arranged at the tail ends of the thread rolling movable plate and the thread rolling fixed plate and are respectively aligned and connected with the tail threads; the structure of the thread rolling movable plate comprises a first horizontal thread tooth plate and a first inclined thread tooth plate, the first horizontal thread tooth plate is fixedly connected with the first inclined thread tooth plate, and a first thread waist line is arranged in the middle of a joint part of the first horizontal thread tooth plate and the first inclined thread tooth plate.
Optionally, the structure of thread rolling fixed plate is including second horizontal thread tooth board and second slope thread tooth board, just second horizontal thread tooth board and second slope thread tooth board fixed connection, second horizontal thread tooth board with the second tooth line has been seted up in the centre of the linking portion of second slope thread tooth board.
Optionally, the shape of the first horizontal thread tooth plate is the same as the shape of the second horizontal thread tooth plate, and the first horizontal thread tooth plate is symmetrical, and is used for thread rolling a screw blank metal rod into a triangular thread with umbrella thread, and the screw acting on the production has the functions of strong drawing force and screw loosening prevention.
Optionally, the shape of the first inclined thread tooth plate is the same as the shape of the second inclined thread tooth plate, and the first inclined thread tooth plate is symmetrical, and is used for threading a metal rod of a screw blank into a conical thread with an umbrella thread, and the produced screw has the functions of gradually expanding the hole site of a workpiece and continuously extruding the hole site of the workpiece to enable the hole site of the workpiece to turn down in the process of tapping the workpiece.
Optionally, the upper teeth of the movable screw plate and the fixed screw plate are first threaded umbrella teeth, and the lower teeth of the movable screw plate and the fixed screw plate are second threaded conical umbrella teeth, so that the shape of the combined screw teeth is limited.
Optionally, the mountain angle of first screw thread umbrella tooth (3) is unanimous for 50 with the mountain angle of second screw thread toper umbrella tooth comprises first mountain angle 15 and second mountain angle 35, the direction of first screw thread umbrella tooth and second screw thread toper umbrella tooth helix is unanimous, and its screw pitch is unanimous to be 1.95mm, the shape of first screw thread umbrella tooth and second screw thread toper umbrella tooth is different for production combination formula screw thread.
Optionally, the depths of the first thread umbrella teeth (3) and the second thread conical umbrella teeth (4) are different, and the thread rolling movable plate (1) and the thread rolling fixed plate (2) are made of any one of Cr12 chrome steel, DC53 die steel or PM60 powder high-speed steel.
Compared with the prior art, the utility model has the following advantages:
in the combined screw thread plate die, the structures of the first thread umbrella teeth and the second thread conical umbrella teeth are respectively arranged on the die plates of the thread rolling movable plate and the thread rolling fixed plate, so that the manufactured finished screw thread is in a combined mode, the functions of diversified combination and one-step forming of threads are achieved, the functions of gradually expanding the hole site of a workpiece and continuously extruding the hole site of the workpiece to enable the hole site of the workpiece to be turned downwards in the process of tapping the thread of the finished screw into the workpiece are achieved, and the drawing force effect and the loosening prevention effect of the finished screw are improved.
Drawings
Fig. 1 is a schematic view showing the overall structure of a die set for a combination screw die according to the present utility model.
Fig. 2 is a schematic view showing an unfolding structure of a die for a combined screw die of the utility model.
Fig. 3 is a view of the type of die plate structure of the die plate die of the present utility model.
The reference numerals are: 1. a thread rolling movable plate; 101. a first horizontal thread plate; 102. a first inclined thread plate; 103. a first toothed belt line; 2. a thread rolling fixing plate; 201. a second horizontal thread plate; 202. a second inclined thread plate; 203. a second toothed belt line; 3. a first threaded umbrella tooth; 4. the second thread conical umbrella teeth; 5. tail lines.
Detailed Description
The technical scheme of the utility model is explained in detail by specific examples.
Referring to fig. 1-3, the utility model discloses a combined umbrella thread screw die structure, which comprises a thread rolling movable plate 1 and a thread rolling fixed plate 2 which are oppositely arranged, wherein a gap for a screw blank to pass through is formed between the thread rolling movable plate 1 and the thread rolling fixed plate 2, a first thread umbrella thread 3 and a second thread conical umbrella thread 4 are respectively arranged from the upper end to the lower end in sequence, tail threads 5 are arranged at the tail ends of the thread rolling movable plate 1 and the thread rolling fixed plate 2 and at the first thread umbrella thread 3 and the second thread conical umbrella thread 4, and are used for carrying out thread rolling shaping on a combined screw, and the first thread umbrella thread 3 and the second thread conical umbrella thread 4 are respectively aligned and connected with the tail threads 5; the structure of the thread rolling movable plate 1 comprises a first horizontal thread tooth plate 101 and a first inclined thread tooth plate 102, the first horizontal thread tooth plate 101 is fixedly connected with the first inclined thread tooth plate 102, and a first thread waist line 103 is arranged in the middle of a joint portion of the first horizontal thread tooth plate 101 and the first inclined thread tooth plate 102.
In a preferred embodiment, the structure of the thread rolling fixing plate 2 includes a second horizontal thread plate 201 and a second inclined thread plate 202, and the second horizontal thread plate 201 is fixedly connected with the second inclined thread plate 202, and a second thread belt line 203 is provided in the middle of the joint portion of the second horizontal thread plate 201 and the second inclined thread plate 202.
In a preferred embodiment, the shape of the first horizontal screw thread plate 101 is the same as the shape of the second horizontal screw thread plate 201, and is symmetrical, so that the screw blank metal rod is threaded into a triangular thread with umbrella thread, and the produced screw has strong pulling force and the function of preventing the screw from loosening.
In a preferred embodiment, the first inclined screw thread plate 102 has the same shape as the second inclined screw thread plate 202, and is symmetrical, so that the screw blank metal rod is threaded into a conical thread with umbrella thread, and the produced screw has the functions of gradually expanding the hole position of the workpiece and continuously extruding the hole position of the workpiece to turn down during the process of tapping the workpiece.
In a preferred embodiment, the upper teeth of the movable screw plate 1 and the fixed screw plate 2 are in the shape of a first threaded umbrella tooth 3, and the lower teeth of the movable screw plate 1 and the fixed screw plate 2 are in the shape of a second threaded conical umbrella tooth 4, so as to limit the shape of the produced combined screw teeth, ensure that the produced screw has the effects of improving the drawing force and preventing loosening, and gradually expand the hole site of the workpiece and continuously squeeze the hole site of the workpiece to turn down during the process of tapping the workpiece.
In a preferred embodiment, the angle of the mountain of the first thread umbrella tooth (3) is consistent with the angle of the mountain of the second thread conical umbrella tooth to be 50 degrees, the angle of the mountain of the first thread umbrella tooth is 15 degrees and the angle of the mountain of the second thread conical umbrella tooth is 35 degrees, the directions of spiral lines of the first thread umbrella tooth 3 and the second thread conical umbrella tooth 4 are consistent, the thread interval is consistent with 1.95mm, the shapes of the first thread umbrella tooth 3 and the second thread conical umbrella tooth 4 are different, the first thread umbrella tooth 3 and the second thread conical umbrella tooth 4 are used for producing combined thread screws, the produced screws are ensured to have the effects of improving the drawing force and preventing loosening, and the hole sites of a workpiece are gradually enlarged and the workpiece hole sites are continuously extruded to enable the workpiece hole sites to be turned down in the process of tapping the workpiece.
In a preferred embodiment, the first threaded umbrella teeth (3) and the second threaded conical umbrella teeth (4) are different in depth and are used for producing a combined screw, so that the produced screw has the effects of improving drawing force and preventing loosening, the hole sites of a workpiece are gradually enlarged and continuously extruded to be downwards turned in the process of tapping the workpiece, and the thread rolling movable plate (1) and the thread rolling fixed plate (2) are made of any one of Cr12 chrome steel, DC53 die steel or PM60 powder high-speed steel and have the characteristics of high hardness and long service life of the dental plate.
Working principle: the method comprises the steps that a worker fixes a thread rolling fixed plate 2 on a fixed die holder of a thread rolling machine, then fixes a thread rolling movable plate 1 on the fixed die holder of the thread rolling machine, places a screw blank metal rod in a track feed groove of the thread rolling machine, enables a first horizontal thread tooth plate 101 and a first inclined thread tooth plate 102 to be aligned on the upper surfaces of a second horizontal thread tooth plate 201 and a second inclined thread tooth plate 202 respectively, enables the screw blank metal rod to be aligned with a first thread waist line 103 and a second thread waist line 203 respectively according to the comparison positions of upper teeth and lower teeth to perform extrusion molding process, starts the thread rolling machine to work, and enables threads of screws to be extruded into the shapes of a first thread umbrella tooth 3 and a second thread conical umbrella tooth 4 of a combined thread through extrusion and thread molding process, wherein the shapes of the first thread umbrella tooth 3 and the second thread conical umbrella tooth 4 are the thread extrusion shapes of the screws; and finally, shaping through the tail lines 5 when extruding to the tail.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model, but any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a combination formula umbrella tooth screw dental lamina mould which characterized in that: the novel thread rolling die comprises a thread rolling movable plate (1) and a thread rolling fixed plate (2) which are oppositely arranged, a gap for a screw blank to pass through is formed between the thread rolling movable plate (1) and the thread rolling fixed plate (2), a first thread umbrella tooth (3) and a second thread conical umbrella tooth (4) are respectively and sequentially arranged from the upper end to the lower end of the upper surface of the thread rolling movable plate (1) and the lower surface of the thread rolling fixed plate (2), and tail threads (5) are arranged at the tail ends of the first thread umbrella tooth (3) and the second thread conical umbrella tooth (4) and are positioned at one ends of the thread rolling movable plate (1) and the thread rolling fixed plate (2); the structure of thread rolling movable plate (1) is including first horizontal thread tooth board (101) and first slope thread tooth board (102), and first horizontal thread tooth board (101) and first slope thread tooth board (102) fixed connection, first line waist line (103) have been seted up in the centre of the linking portion of first horizontal thread tooth board (101) with first slope thread tooth board (102).
2. The modular umbrella dental screw dental plate mold of claim 1, wherein: the structure of the thread rolling fixed plate (2) comprises a second horizontal thread tooth plate (201) and a second inclined thread tooth plate (202), the second horizontal thread tooth plate (201) is fixedly connected with the second inclined thread tooth plate (202), and a second thread waist line (203) is arranged in the middle of a joint part of the second horizontal thread tooth plate (201) and the second inclined thread tooth plate (202).
3. The modular umbrella dental screw dental plate mold of claim 2, wherein: the shape of the first horizontal thread tooth plate (101) is the same as that of the second horizontal thread tooth plate (201), and the first horizontal thread tooth plate and the second horizontal thread tooth plate are symmetrical, and are used for thread rolling a screw blank metal rod into triangular threads with umbrella thread, and the screw applied to production has the functions of strong drawing force and screw loosening prevention.
4. A modular umbrella dental screw dental plate mold according to claim 3, wherein: the shape of the first inclined thread tooth plate (102) is the same as that of the second inclined thread tooth plate (202), and the first inclined thread tooth plate is symmetrical, and the functions of gradually expanding the hole site of a workpiece and continuously extruding the hole site of the workpiece to enable the workpiece to turn down in the process of tapping the workpiece by the produced screw are acted.
5. A modular umbrella dental screw dental plate mold according to claim 3, wherein: the upper teeth of the thread rolling movable plate (1) and the thread rolling fixed plate (2) are in the shape of first thread umbrella teeth (3), and the lower teeth of the thread rolling movable plate (1) and the thread rolling fixed plate (2) are in the shape of second thread conical umbrella teeth (4).
6. A modular umbrella dental screw dental plate mold according to claim 3, wherein: the mountain angle of first screw thread umbrella tooth (3) is unanimous for 50 by first mountain angle 15 and second mountain angle 35 constitutes with the tooth mountain angle of second screw thread toper umbrella tooth, the direction of first screw thread umbrella tooth (3) and second screw thread toper umbrella tooth (4) helix is unanimous, and its screw pitch is unanimous for 1.95mm, the shape of first screw thread umbrella tooth (3) and second screw thread toper umbrella tooth (4) is different.
7. A modular umbrella dental screw dental plate mold according to claim 3, wherein: the depths of the first thread umbrella teeth (3) and the second thread conical umbrella teeth (4) are different, and the thread rolling movable plate (1) and the thread rolling fixed plate (2) are made of any one of Cr12 chrome steel, DC53 die steel or PM60 powder high-speed steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321099337.3U CN219851903U (en) | 2023-05-09 | 2023-05-09 | Combined type umbrella tooth screw die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321099337.3U CN219851903U (en) | 2023-05-09 | 2023-05-09 | Combined type umbrella tooth screw die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219851903U true CN219851903U (en) | 2023-10-20 |
Family
ID=88338556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321099337.3U Active CN219851903U (en) | 2023-05-09 | 2023-05-09 | Combined type umbrella tooth screw die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219851903U (en) |
-
2023
- 2023-05-09 CN CN202321099337.3U patent/CN219851903U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2440341B1 (en) | Method and device for producing elongated metal components having helical grooves, such as twist drills or worm screws | |
| US3104161A (en) | Metal blank with extruded portion of non-circular cross section | |
| CN219851903U (en) | Combined type umbrella tooth screw die | |
| CA2077733C (en) | Thread forming method and apparatus | |
| CN206810882U (en) | A kind of cold extrusion die of plug connector | |
| US5182937A (en) | Seam-free thread rolling dies | |
| CN101607272B (en) | Cold extrusion forming method of elevator anchor blank | |
| CN112916775A (en) | Tool and method for machining bullet-shaped self-drilling bolt | |
| CN2439344Y (en) | Integral key cold extruding forming die | |
| CN213033276U (en) | Extrusion forming die for small-modulus long spline of thin-walled pipe | |
| CN106424490A (en) | Cold-rolling thread forming cutter | |
| CA1131417A (en) | Method for roll pointing a threaded screw | |
| CN105344898A (en) | One-time thread-rolling molding method and mold for bobtail rivet | |
| CN214920140U (en) | Tool for machining bullet self-drilling bolt | |
| RU2443495C2 (en) | Method of producing article of door fastener type | |
| CN204953796U (en) | Central siphon hollow tube mold processing | |
| RU75337U1 (en) | TOOL FOR MANUFACTURING A HEXAGONED BOLT HEAD WITH A FLANGE | |
| CN1792488A (en) | Method and apparatus for forming magnesium alloy pipe | |
| CN219004424U (en) | Thread rolling plate for processing blind rivet | |
| RU2336143C1 (en) | Method of making bolts with head and conical section on rod | |
| CN214417572U (en) | High-strength double-end special-shaped bolt tooth plate die | |
| CN216324864U (en) | Thread rolling die for manufacturing narrow snapping groove ring groove rivet | |
| CN214417574U (en) | Multifunctional high-strength broken bolt tooth plate die | |
| SU1759511A1 (en) | Tool for rolling-on thread | |
| CN201410497Y (en) | Periodic rolling T-shaped belt blank mould structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |