CN214349603U - Middle rod connecting structure - Google Patents
Middle rod connecting structure Download PDFInfo
- Publication number
- CN214349603U CN214349603U CN202022880060.0U CN202022880060U CN214349603U CN 214349603 U CN214349603 U CN 214349603U CN 202022880060 U CN202022880060 U CN 202022880060U CN 214349603 U CN214349603 U CN 214349603U
- Authority
- CN
- China
- Prior art keywords
- hole
- rod
- middle rod
- hole body
- seat
- 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
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a middle rod connecting structure, which comprises a connecting seat and at least one middle rod, wherein the connecting seat is provided with a relative top surface and a relative bottom surface, at least one through hole is arranged in the connecting seat along the height direction, the at least one through hole comprises a first hole body and a second hole body, the first hole body and the second hole body are mutually communicated, the second hole body is smaller than the aperture of the first hole body, the at least one middle rod comprises a first rod body and a second rod body, the first rod body and the second hole body are mutually connected, and the outer diameters of the first rod body and the second hole body are correspondingly matched with the apertures of the first hole body and the second hole body; when the middle rod is worn to be unusable, the middle rod is pulled out from the through hole along the direction from the top surface to the bottom surface, namely the first rod body penetrates out from the first hole body, and the second rod body penetrates out from the second hole body to the first hole body in sequence; and along bottom surface to top surface direction, insert in the through-hole with new stick, also be that first barred body is located first hole internal, and the second barred body is worn to locate the second hole body and is worn out from the second hole body. Even if the middle rod cannot be used, the replacement is convenient, and the repeated utilization rate and the practicability of the middle rod connecting structure are improved.
Description
Technical Field
The utility model relates to a powder metallurgy die technical field specifically, relates to a well stick connection structure.
Background
The powder metallurgy die has the characteristics of high precision, capability of pressing products with complex structures, wide manufacturing range, high production efficiency and high material utilization rate, and is widely applied to pressing of various powder products such as metal, ceramics, bakelite and the like.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a middle rod connection structure in the prior art, the middle rod connection structure of a powder metallurgy die in the prior art includes a connection seat 1 and two middle rods 2, two welding grooves are formed in the connection seat 1, and bottoms of the two middle rods 2 are directly welded in the two welding grooves on the connection seat 1 respectively.
However, in actual use, the middle rod is lost due to repeated use, and the traditional mode of welding the middle rod 2 and the connecting seat 1 is that the middle rod 2 is lost to be unusable, the middle rod 2 which is lost to be unusable needs to be sawed off, and then the new middle rod 2 is welded in the welding groove, so that the operation is greatly inconvenient; or the middle rod 2 and the connecting socket 1 need to be replaced at the same time, which causes unnecessary waste of materials and environmental pollution, and indeed needs improvement.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the utility model discloses a well stick connection structure, it includes connecting seat and at least one well stick, the connecting seat has relative top surface and bottom surface, seted up at least one through-hole along the direction of height in the connecting seat, at least one through-hole includes the first hole body and the second hole body that communicate each other, the aperture of the first hole body is greater than the aperture of the second hole body, at least one well stick includes the first barred body and the second barred body of interconnect, the external diameter of the first barred body and the aperture adaptation of the first hole body, the external diameter of the second barred body and the aperture adaptation of the second hole body; the first rod body is positioned in the first hole body, and the second rod body penetrates through the second hole body and penetrates out of the second hole body; and along the direction from the top surface to the bottom surface, at least one middle rod is pulled out from the corresponding through hole, the first rod body penetrates out from the first hole body, and the second rod body penetrates out from the second hole body to the first hole body in sequence.
Preferably, the middle rod is inserted into the corresponding through hole, the depth of the first hole is larger than the thickness of the first rod, the first rod is in clearance fit with the first hole, the second rod is in clearance fit with the second hole, the first rod can relatively move around the first hole, and the second rod can relatively move around the second hole.
Preferably, the transverse section of the first hole body is circular, the transverse section of the second hole body is rectangular, the transverse section of the first rod body is circular, the transverse section of the second rod body is rectangular, the height of the second hole body is larger than that of the first hole body, the height of the second rod body is larger than that of the first rod body, and the height of the second rod body is larger than that of the second hole body.
Preferably, the first aperture body and the second aperture body are integrally formed.
Preferably, the number of the middle rods is two, the number of the through holes is also two, and the two through holes are symmetrically distributed in the connecting seat.
Preferably, the connecting socket further includes a connecting body socket, the connecting body socket includes a first connecting body socket and a second connecting body socket, and the first connecting body socket and the second connecting body socket are integrally formed.
Preferably, the first connecting body seat and the second connecting body seat are both cylinders, and the diameter of the second connecting body seat is larger than that of the first connecting body seat.
The beneficial effect of this application lies in: when the middle rod is worn out to be unusable, the worn middle rod is pulled out from the through hole along the direction from the top surface to the bottom surface of the connecting seat, namely the first rod body penetrates out from the first hole body, and the second rod body penetrates out from the second hole body to the first hole body in sequence; and will follow the direction of connecting seat bottom surface to top surface, insert in the through-hole with new well stick, also be that first barred body is located first hole internal, and second barred body wears to locate the second hole body and wears out from the second hole body. Even if the middle rod cannot be used, the replacement is very convenient, the repeated utilization rate of the connecting structure of the middle rod is improved, and the practicability of the connecting structure of the middle rod is improved. In addition, the second barred body can be round second hole body relative motion, makes the automatic installation center of finding of second barred body promptly to make the hole that the second barred body self-adaptation was down punched, also the hole adaptation that the well stick was down punched, make the well stick can insert the hole that is down punched smoothly, take place violent collision when avoiding the well stick to insert down the hole, thereby prevent well stick and down punch impaired, prolonged the life-span of well stick and down.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural view of a prior art connection structure for a central rod;
FIG. 2 is a schematic structural view of a connecting structure of a medial rod in accordance with one embodiment;
FIG. 3 is a schematic top view of a connecting structure of a medial rod in accordance with an embodiment;
FIG. 4 is a schematic view of a connecting socket according to an embodiment;
FIG. 5 is a schematic view of a configuration of a central rod according to one embodiment;
FIG. 6 is a schematic top view of a middle rod according to one embodiment.
Reference numerals:
a connecting seat 1; a top surface 11; a bottom surface 12; a through hole 13; a first aperture body 131; a second aperture body 132; connecting body seat 14; first connecting body holder 141; second connector body seat 142; a middle rod 2; a first rod 21; a second rod 22.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
It should be noted that all the directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:
referring to fig. 2, fig. 2 is a schematic structural diagram of a connection structure of a middle rod according to an embodiment. The connecting structure of the middle rod in this embodiment includes a connecting base 1 and at least one middle rod 2, the connecting base 1 has a top surface 11 and a bottom surface 12 opposite to each other, at least one through hole 13 is formed in the connecting base 1 along the height direction, that is, at least one through hole 13 is formed in a connecting body base 14 along the height direction. Wherein, along the direction from the bottom surface 12 to the top surface 11, at least one middle rod 2 is inserted in at least one through hole 13; and the at least one central rod 2 can also be pulled out of the at least one through hole 13 in the direction from the top surface 11 to the bottom surface 12.
The at least one through hole 13 includes a first hole body 131 and a second hole body 132 which are communicated with each other, and the first hole body 131 has a larger hole diameter than the second hole body 132. At least one of the middle bars 2 comprises a first bar 21 and a second bar 22 connected to each other. The outer diameter of the first rod 21 is matched with the aperture of the first hole 131, and the outer diameter of the second rod 22 is matched with the aperture of the second hole 132. Wherein, along the direction from the bottom surface 12 to the top surface 11, at least one middle rod 2 is inserted into at least one through hole 13, the first rod 21 is located in the first hole 131, and the second rod 22 is inserted into the second hole 132 and passes through the second hole 132; and along the direction from the top surface 11 to the bottom surface 12, the at least one middle rod 2 can be pulled out from the at least one through hole 13, the first rod body 21 penetrates out from the first hole body 131, and the second rod body 22 penetrates out from the second hole body 132 to the first hole body 131 in sequence.
When the middle rod 2 is worn out and cannot be used, the worn middle rod 2 is pulled out from the through hole 13 along the direction from the top surface 11 to the bottom surface 12 of the connecting seat, namely the first rod body 21 penetrates out from the first hole body 131, and the second rod body 22 penetrates out from the second hole body 132 to the first hole body 131 in sequence; and a new middle rod 2 is inserted into the through hole 13 along the direction from the bottom surface 12 to the top surface 11 of the connecting seat, that is, the first rod 21 is located in the first hole 131, and the second rod 22 is inserted through the second hole 132 and passes out of the second hole 132. Even if the middle rod 2 cannot be used, the replacement is very convenient, the repeated utilization rate of the middle rod connecting structure is improved, and the practicability is improved.
The first rod 21 is fixedly connected to the second rod 22, and the first hole 131 and the second hole 132 are integrally formed.
Preferably, the number of the middle rods 2 is two, the number of the through holes 13 is two correspondingly, and the two through holes 13 are symmetrically distributed in the connecting seat 1. That is, the two first holes 131 are symmetrically distributed in the connecting socket 1, and the two second holes 132 are symmetrically distributed in the connecting socket 1.
Preferably, the middle rod 2 is inserted into the corresponding through hole 13, the depth of the first hole 131 is greater than the thickness of the first rod 21, the first rod 21 is in clearance fit with the first hole 131, the second rod 22 is in clearance fit with the second hole 132, the first rod 21 can relatively move around the first hole 131, and the second rod 22 can relatively move around the second hole 132.
Because the first rod 21 is fixedly connected with the second rod 22, the first rod 21 and the second rod 22 can synchronously move relatively, and because the depth of the first hole 131 is greater than the thickness of the first rod 21, the first rod 21 is in clearance fit with the first hole 131, and the second rod 22 is in clearance fit with the second hole 132, the second rod 22 can move relatively around the second hole 132, and the first rod 21 also moves relatively around the first hole 131.
When the middle rod 2 of the middle rod connecting structure is inserted into the lower-punching inner hole, namely the second rod 22 is inserted into the lower-punching inner hole, because the middle rod 2 is in clearance fit with the lower-punching inner hole, the second rod 22 can move relatively around the second hole 132 to adjust the position, the second rod 22 moves relatively to drive the first rod 21 to move relatively synchronously, the first rod 21 also moves relatively around the first hole 131, so that the second rod 22 can automatically find the installation center, the second rod 22 is adapted to the lower-punching inner hole, namely the middle rod 2 is adapted to the lower-punching inner hole, the middle rod 2 can be smoothly inserted into the lower-punching inner hole, severe collision when the middle rod 2 is inserted into the lower-punching inner hole is avoided, the middle rod 2 and the lower punching are prevented from being damaged, and the service lives of the middle rod 2 and the lower punching are prolonged.
Referring to fig. 3-6 and fig. 2 again, fig. 3 is a schematic top view of a connection structure of a middle rod in the first embodiment, fig. 4 is a schematic structural view of a connection seat in the first embodiment, fig. 5 is a schematic structural view of a middle rod in the first embodiment, and fig. 6 is a schematic top view of a middle rod in the first embodiment. The transverse section of the first hole 131 is circular, the transverse section of the second hole 132 is rectangular, correspondingly, the transverse section of the first rod 21 is circular, the transverse section of the second rod 22 is rectangular, the longitudinal sections of the first hole 131, the second hole 132, the first rod 21 and the second rod 22 are rectangular, the shape of the longitudinal section of the first hole 131 is matched with that of the longitudinal section of the first rod 21, the shape of the longitudinal section of the second hole 132 is matched with that of the longitudinal section of the second rod 22, the height of the second hole 132 is larger than that of the first hole 131, the height of the second rod 22 is larger than that of the first rod 21, and the height of the second rod 22 is larger than that of the second hole 132.
Referring to fig. 2 and 4, the connector receptacle 1 includes a connecting body receptacle 14, the connecting body receptacle 14 includes a first connecting body receptacle 141 and a second connecting body receptacle 142, the first connecting body receptacle 141 and the second connecting body receptacle 142 are integrally formed, the first connecting body receptacle 141 may be cylindrical or rectangular, the second connecting body receptacle 142 may be cylindrical or rectangular, and the diameter of the second connecting body receptacle 142 is larger than that of the first connecting body receptacle 141. Specifically, the first connecting body seat 141 and the second connecting body seat 142 are both cylindrical.
In conclusion, when the middle rod is worn out and cannot be used, the worn middle rod is pulled out from the through hole along the direction from the top surface to the bottom surface of the connecting seat, namely the first rod body penetrates out from the first hole body, and the second rod body penetrates out from the second hole body to the first hole body in sequence; and will follow the direction of connecting seat bottom surface to top surface, insert in the through-hole with new well stick, also be that first barred body is located first hole internal, and second barred body wears to locate the second hole body and wears out from the second hole body. Even if the middle rod cannot be used, the replacement is very convenient, the repeated utilization rate of the connecting structure of the middle rod is improved, and the practicability of the connecting structure of the middle rod is improved. In addition, the second barred body can be round second hole body relative motion, makes the automatic installation center of finding of second barred body promptly to make the hole that the second barred body self-adaptation was down punched, also the hole adaptation that the well stick was down punched, make the well stick can insert the hole that is down punched smoothly, take place violent collision when avoiding the well stick to insert down the hole, thereby prevent well stick and down punch impaired, prolonged the life-span of well stick and down.
The above is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The connecting structure of the middle rod is characterized by comprising a connecting seat (1) and at least one middle rod (2), wherein the connecting seat (1) is provided with a top surface (11) and a bottom surface (12) which are opposite to each other, at least one through hole (13) is formed in the connecting seat (1) along the height direction, the at least one through hole (13) comprises a first hole body (131) and a second hole body (132) which are communicated with each other, the aperture of the first hole body (131) is larger than that of the second hole body (132), the at least one middle rod (2) comprises a first rod body (21) and a second rod body (22) which are connected with each other, the outer diameter of the first rod body (21) is matched with that of the first hole body (131), and the outer diameter of the second rod body (22) is matched with that of the second hole body (132); wherein, along the direction from the bottom surface (12) to the top surface (11), the at least one middle rod (2) is inserted into the at least one through hole (13), the first rod body (21) is positioned in the first hole body (131), and the second rod body (22) is arranged in the second hole body (132) in a penetrating way and penetrates out of the second hole body (132); and along the direction from the top surface (11) to the bottom surface (12), the at least one middle rod (2) is pulled out from the corresponding through hole (13), the first rod body (21) penetrates out from the first hole body (131), and the second rod body (22) penetrates out from the second hole body (132) to the first hole body (131) in sequence.
2. A king-rod connecting structure according to claim 1, wherein when the king-rod (2) is inserted into the corresponding through-hole (13), the depth of the first hole (131) is larger than the thickness of the first rod (21), the first rod (21) is in clearance fit with the first hole (131), the second rod (22) is in clearance fit with the second hole (132), the first rod (21) is relatively movable around the first hole (131), and the second rod (22) is relatively movable around the second hole (132).
3. A middle rod connecting structure according to claim 1, wherein the first hole (131) has a circular transverse cross-section, the second hole (132) has a rectangular transverse cross-section, the first rod (21) has a circular transverse cross-section, the second rod (22) has a rectangular transverse cross-section, the second hole (132) has a height greater than that of the first hole (131), the second rod (22) has a height greater than that of the first rod (21), and the second rod (22) has a height greater than that of the second hole (132).
4. The middle rod connecting structure according to claim 1, wherein the first and second hole bodies (131, 132) are integrally formed.
5. The middle rod connecting structure according to claim 1, wherein the number of the middle rods (2) is two, the number of the through holes (13) is also two, and the two through holes (13) are symmetrically distributed in the connecting base (1).
6. A rod connecting structure according to claim 1, wherein said connecting socket (1) further comprises a connecting body socket (14), said connecting body socket (14) comprising a first connecting body socket (141) and a second connecting body socket (142), said first connecting body socket (141) and said second connecting body socket (142) being integrally formed.
7. A rod inside connection according to claim 6, wherein the first connection body seat (141) and the second connection body seat (142) are both cylindrical, the diameter of the second connection body seat (142) being larger than the diameter of the first connection body seat (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880060.0U CN214349603U (en) | 2020-12-03 | 2020-12-03 | Middle rod connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880060.0U CN214349603U (en) | 2020-12-03 | 2020-12-03 | Middle rod connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214349603U true CN214349603U (en) | 2021-10-08 |
Family
ID=77981175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022880060.0U Active CN214349603U (en) | 2020-12-03 | 2020-12-03 | Middle rod connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214349603U (en) |
-
2020
- 2020-12-03 CN CN202022880060.0U patent/CN214349603U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2004135530A (en) | METHOD FOR PRODUCING PRESSED POWDER PREPARATIONS | |
| CN214349603U (en) | Middle rod connecting structure | |
| JP5793000B2 (en) | Floating cutter unit and trimming press processing device | |
| CN210817008U (en) | Reverse formula cut-out press | |
| CN207787390U (en) | A kind of hole flanging mechanism | |
| CN101888038A (en) | Terminal assembly of electric connector | |
| CN201845912U (en) | Terminal assembly of electric connector | |
| CN212370956U (en) | Thimble is used in processing of riveting shell | |
| CN212848026U (en) | Forming die and equipment for magnetic core with load and shielding integrated design | |
| CN209986016U (en) | Internal spline extrusion forming punch | |
| CN216231347U (en) | Assembly structure of ball-point pen point | |
| CN213088480U (en) | Special accurate axle core of micro motor | |
| CN109372978B (en) | Novel speed reducer | |
| GB1154323A (en) | Improvements in and relating to Spot-Welding Electrodes | |
| CN214000689U (en) | Punch structure | |
| CN212310845U (en) | R angle processing die assembly | |
| CN212264172U (en) | Piercing plug for steel pipe processing | |
| CN210195998U (en) | Ceramic plunger capable of changing direction | |
| CN210172348U (en) | Guiding and limiting device and cold stamping die with same | |
| CN218284275U (en) | Multi-workpiece machining and positioning tool | |
| CN218693067U (en) | Stepped punch | |
| CN212944987U (en) | Punching needle convenient to replace | |
| CN219503572U (en) | Stamping die for aluminum foil container | |
| CN107952852A (en) | A kind of hole flanging mechanism | |
| CN215144773U (en) | Cutter for processing hole and device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |