CN209077784U - The device of screw thread is suppressed simultaneously in hard alloy cylinder both ends - Google Patents
The device of screw thread is suppressed simultaneously in hard alloy cylinder both ends Download PDFInfo
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- CN209077784U CN209077784U CN201821550677.2U CN201821550677U CN209077784U CN 209077784 U CN209077784 U CN 209077784U CN 201821550677 U CN201821550677 U CN 201821550677U CN 209077784 U CN209077784 U CN 209077784U
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- threaded mandrel
- screw thread
- hard alloy
- plug
- threaded
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Abstract
The utility model discloses a kind of hard alloy cylinder both ends while suppressing the device of screw thread, it is characterized in that, including the first plug, the first threaded mandrel, the second plug, the second threaded mandrel and die sleeve, in a state of use, the first plug, the first threaded mandrel, the second plug and the second threaded mandrel are all concentric with die sleeve；First plug and the second plug are located at the both ends of die sleeve, and fix the first threaded mandrel and the second threaded mandrel respectively, and the first threaded mandrel is connected with the second threaded mandrel along axis direction, are provided with thread in the first threaded mandrel and the second threaded mandrel.The utility model forms screw thread, easy to operate, machining accuracy and high in machining efficiency by compacting hard alloy powder；By changing the diameter of thread, direction in two threaded mandrels, the screw thread of different demands can be obtained at hard alloy cylinder both ends simultaneously, greatly improve processing efficiency, while meet hard alloy cylinder to the matching degree of a variety of different threaded connectors.
Description
Technical field
The utility model belongs to solid carbide thread manufacture field, and in particular to presses simultaneously at a kind of hard alloy cylinder both ends
The device of screw thread processed.
Background technique
Currently, the processing of hard alloy cylinder internal screw thread generallys use machining, working efficiency is low, and machining accuracy is not
It is high.When in use, both ends will usually connect different types of component to hard alloy cylinder, and different components is to hard alloy circle
The internal thread structure at cylinder both ends, size requirements are different, generally use in the production of hard alloy cylinder both ends internal screw thread and cut respectively
Processing is cut, processing efficiency is low, and precision is not high.
Summary of the invention
The utility model is for existing hard alloy cylinder internal thread machining precision and processing efficiency is low, it is difficult to close in hard
The problem of golden cylinder both ends simultaneous processing screw thread, provides a kind of hard alloy cylinder both ends while suppressing the device of screw thread.
The utility model adopts the following technical solutions to achieve above-mentioned purpose:
The device of screw thread is suppressed simultaneously in a kind of hard alloy cylinder both ends, which is characterized in that including the first plug, the first spiral shell
Line mandrel, the second plug, the second threaded mandrel and elastic die sleeve, in a state of use, the first plug, the first threaded mandrel, the
Two plugs and the second threaded mandrel are all concentric with elastic die sleeve；First plug and the second plug are located at the two of elastic die sleeve
End, and the first threaded mandrel and the second threaded mandrel are fixed respectively, the first threaded mandrel and the second threaded mandrel are along axis direction
It connects, is provided with thread in the first threaded mandrel and the second threaded mandrel.In the utility model, the first plug, the first screw thread
Mandrel, the second plug and the second threaded mandrel are all concentric with elastic die sleeve, and the first plug and the second plug fix first respectively
Threaded mandrel and the second threaded mandrel ensure that the first threaded mandrel and the second threaded mandrel are indeformable when elastic die sleeve is pressurized,
Accuracy of thread to make hard alloy cylinder be formed when being pressurized is high；The utility model can hard alloy cylinder both ends simultaneously
Suppress screw thread.
Preferably, the first threaded mandrel is identical with the thread diameter in the second threaded mandrel, and direction is identical, can make hard
It is identical that thread size is formed when alloy powder is suppressed, and hand of spiral also identical screw thread.
Preferably, the first threaded mandrel is identical with the thread diameter in the second threaded mandrel, and direction is different, can make hard
It is identical that thread size is formed when alloy powder is suppressed, the different screw thread of hand of spiral.
Preferably, the first threaded mandrel is different with the thread diameter in the second threaded mandrel, and direction is identical, can make hard
It is different that thread size is formed when alloy powder is suppressed, the identical screw thread of hand of spiral.
Preferably, the first threaded mandrel is different with the thread diameter in the second threaded mandrel, and direction is different, can make hard
It is different that thread size is formed when alloy powder is suppressed, hand of spiral also different screw thread.
Preferably, elastic die sleeve uses rubber die sleeve, guarantees uniform force when hard alloy powder is pressurized.
Preferably, the first threaded mandrel and the second threaded mandrel are connected through a screw thread, thus guarantee the first threaded mandrel and
The concentricity of second threaded mandrel, when hard alloy powder being avoided to be pressurized, the first threaded mandrel and the offset of the second threaded mandrel are mentioned
High solid carbide thread suppresses precision.
Preferably, the first threaded mandrel and the second threaded mandrel be by plugging together connection, thus guarantee the first threaded mandrel with
The concentricity of second threaded mandrel, when hard alloy powder being avoided to be pressurized, the first threaded mandrel and the offset of the second threaded mandrel are mentioned
High solid carbide thread suppresses precision.
Suppress the device compacting screw thread of screw thread simultaneously using a kind of hard alloy cylinder both ends described in the utility model
Method: Step 1: mold assembling and hard alloy powder are packed into: the second threaded mandrel being fixed on the second plug, second is stifled
Head is inserted into elastic die sleeve and fixes, and the second threaded mandrel and the first threaded mandrel are connected and fixed, hard alloy powder is added
In elastic die sleeve, then the first plug is inserted into elastic die sleeve and fixed the first threaded mandrel, forms compacting tool set；Step 2:
Screw thread compacting: the mold for installing hard alloy powder being put into dry bag cold isostatic press and is suppressed, to springform when pressurization
It covers circumference and carries out balanced compression, elastic die sleeve both ends are not pressurized；Step 3: demoulding, by the first plug and the second plug from elasticity
Die sleeve takes out, and takes out the first threaded mandrel and the second threaded mandrel, then the hard alloy that will suppress screw thread by rotation mode
Cylinder takes out from elastic die sleeve；Step 4: sintering: obtaining both ends after the hard alloy cylinder for suppressing screw thread is sintered
Screwed hard alloy cylinder.
The beneficial effects of the utility model are:
1, the utility model forms screw thread by compacting hard alloy powder, is not required to be machined out, easy to operate, processing
Precision and high in machining efficiency.
2, the utility model uses two threaded mandrels, by changing the diameter of thread, direction in two threaded mandrels,
Screw thread needed for can obtaining simultaneously at hard alloy cylinder both ends, greatly improves processing efficiency, while meeting hard conjunction
Matching degree of the golden cylinder to a variety of different threaded connectors.
Detailed description of the invention
Fig. 1 is that hard alloy cylinder both ends when the utility model thread diameter is identical, direction is also identical are suppressed simultaneously
The structure drawing of device of screw thread.
Fig. 2 is identical the utility model thread diameter, direction asynchronous hard alloy cylinder both ends while suppressing spiral shell
The structure drawing of device of line.
Fig. 3 is that spiral shell is suppressed at hard alloy cylinder both ends when the utility model thread diameter is different, direction is identical simultaneously
The structure drawing of device of line.
Fig. 4 is that hard alloy cylinder both ends when the utility model thread diameter is different, direction is not also identical are pressed simultaneously
The structure drawing of device of screw thread processed.
Fig. 5 be a kind of the utility model hard alloy cylinder both ends suppress in the device of screw thread simultaneously the first threaded mandrel and
Second screw thread is using the structure chart being threadedly coupled.
Fig. 6 be a kind of the utility model hard alloy cylinder both ends suppress in the device of screw thread simultaneously the first threaded mandrel and
Second screw thread is using the structure chart for plugging together connection.
In figure, the 1, first plug；2, the first threaded mandrel；3, elastic die sleeve；4, hard alloy powder；5, the second thread core
Axis；6, the second plug.
Specific embodiment
The utility model is described in detail in 1-6 with reference to the accompanying drawing.
Embodiment one:
As shown in Figs 1-4, the device of screw thread is suppressed at a kind of hard alloy cylinder both ends simultaneously, which is characterized in that including the
One plug 1, the first threaded mandrel 2, the second plug 6, the second threaded mandrel 5 and elastic die sleeve 3, in a state of use, first is stifled
First 1, first threaded mandrel 2, the second plug 6 and the second threaded mandrel 5 are all concentric with elastic die sleeve 3；First plug 1 and second
Plug 6 is located at the both ends of elastic die sleeve 3, and fixes the first threaded mandrel 2 and the second threaded mandrel 5, the first screw thread respectively
Mandrel 2 is connected with the second threaded mandrel 5 along axis direction, is provided with screw thread in the first threaded mandrel 2 and the second threaded mandrel 5
Tooth.
Using the method for device compacting screw thread: Step 1: mold assembling and hard alloy powder are packed into: by the second screw thread
Mandrel 5 is fixed on the second plug 6, and the second plug 6 is inserted into elastic die sleeve 3 and fixes, by the second threaded mandrel 5 and the first screw thread
Mandrel 2 is connected and fixed, and hard alloy powder 4 is added in elastic die sleeve 3, then the first plug 1 is inserted into elastic die sleeve 3 and is consolidated
Fixed first threaded mandrel 2, forms compacting tool set；Step 2: screw thread is suppressed: the mold for installing hard alloy powder 4 being put into dry
It is suppressed in bag cold isostatic press, balanced compression is carried out to elastic 3 circumference of die sleeve when pressurization, elastic 3 both ends of die sleeve are not pressurized；
Step 3: demoulding, the first plug 1 and the second plug 6 are taken out from elastic die sleeve 3, the first thread core is taken out by rotation mode
Axis 2 and the second threaded mandrel 5, then the hard alloy cylinder for suppressing screw thread is taken out from elastic die sleeve 3；Step 4: sintering:
The screwed hard alloy cylinder in both ends is obtained after the hard alloy cylinder for suppressing screw thread is sintered.
In the above-described embodiment, elastic die sleeve can use rubber die sleeve.
Embodiment two:
As shown in Figure 1, thread on the basis of embodiment one, in the first threaded mandrel 2 and the second threaded mandrel 5
Diameter is identical, and direction is identical, it is identical that thread size is formed when hard alloy powder 4 can be made to suppress, and hand of spiral is also identical
Screw thread.
Embodiment three:
As shown in Fig. 2, the first threaded mandrel 2 is identical with the thread diameter in the second threaded mandrel 5, direction is different, can
Formation thread size is identical when keeping hard alloy powder pressure 4 processed, the different screw thread of hand of spiral.
Embodiment four:
As shown in figure 3, thread on the basis of embodiment one, in the first threaded mandrel 2 and the second threaded mandrel 5
Diameter is different, and direction is identical, and thread size difference, hand of spiral identical screw thread are formed when hard alloy powder 4 can be made to suppress.
Embodiment five:
As shown in figure 4, thread on the basis of embodiment one, in the first threaded mandrel 2 and the second threaded mandrel 5
Diameter is different, and direction is different, and thread size difference is formed when hard alloy powder 4 can be made to suppress, and hand of spiral is also different
Screw thread.
Embodiment six:
As shown in figure 5, on the basis of one-embodiment of embodiment five, the first threaded mandrel 2 and the second threaded mandrel
5 are connected through a screw thread, to guarantee the concentricity of the first threaded mandrel 2 and the second threaded mandrel 5, avoid hard alloy powder 3
When compression, the first threaded mandrel 2 and the offset of the second threaded mandrel 5 guarantee the same of the first threaded mandrel 2 and the second threaded mandrel 5
Axis degree improves solid carbide thread and suppresses precision.
Embodiment seven:
As shown in fig. 6, on the basis of one-embodiment of embodiment five, the first threaded mandrel 2 and the second threaded mandrel
5 by plugging together connection, to guarantee the concentricity of the first threaded mandrel 2 and the second threaded mandrel 5, avoids hard alloy powder 4
When compression, the first threaded mandrel 2 and the offset of the second threaded mandrel 5 guarantee the same of the first threaded mandrel 2 and the second threaded mandrel 5
Axis degree improves solid carbide thread and suppresses precision.
Claims (8)
1. the device that screw thread is suppressed at a kind of hard alloy cylinder both ends simultaneously, which is characterized in that including the first plug, the first screw thread
Mandrel, the second plug, the second threaded mandrel and elastic die sleeve, in a state of use, the first plug, the first threaded mandrel, second
Plug and the second threaded mandrel are all concentric with elastic die sleeve；First plug and the second plug are located at the two of elastic die sleeve
End, and the first threaded mandrel and the second threaded mandrel are fixed respectively, the first threaded mandrel and the second threaded mandrel are along axis direction
It connects, is provided with thread in the first threaded mandrel and the second threaded mandrel.
2. the device that screw thread is suppressed at a kind of hard alloy cylinder both ends according to claim 1 simultaneously, which is characterized in that the
One threaded mandrel is identical with direction with the thread diameter in the second threaded mandrel.
3. the device that screw thread is suppressed at a kind of hard alloy cylinder both ends according to claim 1 simultaneously, which is characterized in that the
One threaded mandrel is identical with the thread diameter in the second threaded mandrel, and direction is different.
4. the device that screw thread is suppressed at a kind of hard alloy cylinder both ends according to claim 1 simultaneously, which is characterized in that the
One threaded mandrel is different with the thread diameter in the second threaded mandrel, and direction is identical.
5. the device that screw thread is suppressed at a kind of hard alloy cylinder both ends according to claim 1 simultaneously, which is characterized in that the
One threaded mandrel is different with the thread diameter in the second threaded mandrel, and direction is different.
6. the device of screw thread is suppressed at a kind of hard alloy cylinder both ends according to claim 1-5 simultaneously, special
Sign is that the elasticity die sleeve is rubber die sleeve.
7. the device of screw thread is suppressed at a kind of hard alloy cylinder both ends according to claim 1-5 simultaneously, special
Sign is that the first threaded mandrel and the second threaded mandrel are connected through a screw thread.
8. the device of screw thread is suppressed at a kind of hard alloy cylinder both ends according to claim 1-5 simultaneously, special
Sign is that the first threaded mandrel and the second threaded mandrel are by plugging together connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550677.2U CN209077784U (en) | 2018-09-21 | 2018-09-21 | The device of screw thread is suppressed simultaneously in hard alloy cylinder both ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550677.2U CN209077784U (en) | 2018-09-21 | 2018-09-21 | The device of screw thread is suppressed simultaneously in hard alloy cylinder both ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209077784U true CN209077784U (en) | 2019-07-09 |
Family
ID=67117204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821550677.2U Expired - Fee Related CN209077784U (en) | 2018-09-21 | 2018-09-21 | The device of screw thread is suppressed simultaneously in hard alloy cylinder both ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209077784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128158A (en) * | 2018-09-21 | 2019-01-04 | 广西梧州港德硬质合金制造有限公司 | The device and method of screw thread is suppressed simultaneously in hard alloy cylinder both ends |
-
2018
- 2018-09-21 CN CN201821550677.2U patent/CN209077784U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128158A (en) * | 2018-09-21 | 2019-01-04 | 广西梧州港德硬质合金制造有限公司 | The device and method of screw thread is suppressed simultaneously in hard alloy cylinder both ends |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 |