CN211192552U - Mushroom head ejector rod - Google Patents
Mushroom head ejector rod Download PDFInfo
- Publication number
- CN211192552U CN211192552U CN201922438819.7U CN201922438819U CN211192552U CN 211192552 U CN211192552 U CN 211192552U CN 201922438819 U CN201922438819 U CN 201922438819U CN 211192552 U CN211192552 U CN 211192552U
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- rod body
- threaded
- rod
- base
- threaded sleeve
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Abstract
The utility model relates to a first ejector pin of mushroom, including the body of rod and base, the body of rod and the coaxial setting of base are provided with connecting portion between the body of rod and the base, connecting portion include screw thread post and threaded sleeve, the screw thread post includes first screw thread post and second screw thread post, first screw thread post is connected on the body of rod, and with the coaxial setting of the body of rod, second screw thread post is connected on the base, and with the coaxial setting of base, the threaded sleeve cover is established on first screw thread post and second screw thread post, the threaded sleeve is both ends open-ended hollow cylinder, be provided with the screw thread on the inboard perisporium of threaded sleeve, the screw thread includes first screw thread and second screw thread, the direction of turning of first screw thread and second screw thread is opposite. The utility model discloses a solve the ejector pin in the use always with the groove production friction that slides on the hoist and mount track, cause the problem of ejector pin wearing and tearing and extravagant material, provide a mushroom head ejector pin, can improve the life of ejector pin.
Description
Technical Field
The utility model relates to a slicer technical field, concretely relates to first ejector pin of mushroom.
Background
The silicon chip cutting machine is also called a silicon chip laser cutting machine and a laser scribing machine, and is an application of the laser scribing machine in another new field of cutting of silicon chips in the electronic industry.
In the process of silicon wafer cutting, the silicon ingot is transported by using the hoisting track of the feed assembly, the hoisting track is connected with a pressing plate, the silicon ingot is bonded at the bottom of the pressing plate to advance on the hoisting track, the ejector rod is an accessory with one end connected with the pressing plate and the other end positioned in the sliding groove of the hoisting track to assist the transportation of the pressing plate, but one end of the ejector rod positioned in the sliding groove of the hoisting track always rubs with the sliding groove, so that the ejector rod is abraded, when the ejector rod is seriously abraded and cannot be used, the integral replacement is needed, and a lot of materials are wasted.
Disclosure of Invention
The utility model discloses a solve the ejector pin in the use always with the groove production friction that slides on the hoist and mount track, cause the problem of ejector pin wearing and tearing and extravagant material, provide a mushroom head ejector pin, can improve the life of ejector pin.
In order to solve the above problem, the technical scheme of the utility model is that:
a mushroom head ejector rod comprises a rod body and a base, wherein the rod body and the base are coaxially arranged, and a connecting part is arranged between the rod body and the base;
the connecting part comprises a threaded column and a threaded sleeve, the threaded column comprises a first threaded column and a second threaded column, the first threaded column is connected to the rod body and is arranged coaxially with the rod body, the second threaded column is connected to the base and is arranged coaxially with the base, the threaded sleeve is a hollow cylinder with two open ends, the threaded sleeve is sleeved on the first threaded column and the second threaded column, chamfers are arranged at the two open ends of the threaded sleeve, the outer diameter of the threaded sleeve is 14mm, the inner diameter of the threaded sleeve is 10mm, the length of the threaded sleeve is 15mm, threads are arranged on the peripheral wall of the inner side of the threaded sleeve, the threads comprise a first thread and a second thread, and the rotating directions of the first thread and the second thread are opposite;
the utility model discloses a pole body, including the body of rod, the body of rod is the cylindricality body that the coaxial coupling of echelonment formed for the different cylindrical body of rod of diameter, the body of rod is first body of rod, the second body of rod, the third body of rod and the fourth body of rod in proper order from the right side left side, first screw thread post is connected to first body of rod one end, first body of rod diameter is 24mm, length is 30mm, second body of rod diameter is 19mm, length is 70mm, third body of rod diameter is 14mm, length is 25mm, be provided with the external screw thread on the outer wall of the third body of rod, fourth rod diameter is 12mm, length is 15mm, fourth body of rod left end is connected with the conical head, the base is the circular plate body, and second screw thread post, another circular surface circumference department are connected to a circular surface of base set up the chamfer.
Further, the length of the first threaded column and the length of the second threaded column are both 7.5mm, and the diameters of the first threaded column and the second threaded column are equal.
Further, the first thread and the thread on the outer wall of the first threaded column are matched, and the thread on the outer wall of the second threaded column and the second thread are matched.
Further, the thread directions of the first threaded column and the second threaded column are opposite.
Further, the first threaded column and the second threaded column are both cylinders made of No. 40 steel, the threaded sleeve is a tubular body made of No. 40 steel, and the base is a circular plate body made of No. 40 steel.
Furthermore, chamfers arranged at openings at two ends of the threaded sleeve are R0.5.
Further, the surface roughness of the outer peripheral wall of the threaded sleeve is Ra1.6.
Further, the chamfer angle arranged on the base is C2.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a be provided with connecting portion between the body of rod and the base, the body of rod and base pass through threaded sleeve pipe connection, the cylindrical diameter between two chamfers is 14mm on the threaded sleeve pipe, threaded sleeve pipe's length is 15mm, can reduce mushroom head ejector pin and slide the friction between the recess, at the in-process that mushroom head ejector pin used, the base of mushroom head ejector pin is located and slides the recess, and only the threaded sleeve pipe of the body of rod and base produces the friction with the arc recess, and after mushroom head ejector pin long-time use, the threaded sleeve pipe is worn and torn, only needs to change the threaded sleeve pipe, guarantees the long-time use of mushroom head ejector pin.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural view of the rod body of the present invention connecting with the first threaded post;
fig. 4 is a schematic structural view of the base connecting the second threaded post of the present invention;
fig. 5 is a cross-sectional view of the threaded bushing of the present invention.
The reference numbers in the drawings are as follows: 1 is the first body of rod, 2 is the screw thread sleeve pipe, 3 is the base, 4 is first screw thread post, 5 is the second screw thread post, 6 is first screw thread, 7 is the second screw thread, 8 is the third body of rod, 9 is the circular cone head, 10 is the fourth rod body, 11 is the second body of rod.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
as shown in fig. 1 to 5, a mushroom head ejector rod comprises a rod body and a base 3, wherein the rod body and the base 3 are coaxially arranged, and a connecting part is arranged between the rod body and the base 3;
the connecting part comprises a threaded column and a threaded sleeve 2, the threaded column comprises a first threaded column 4 and a second threaded column 5, the first threaded column 4 is connected to a rod body and is coaxially arranged with the rod body, the second threaded column 5 is connected to a base 3 and is coaxially arranged with the base 3, the threaded sleeve 2 is sleeved on the first threaded column 4 and the second threaded column 5, the first threaded column 4 and the second threaded column 5 are both 7.5mm in length and equal in diameter, the threaded sleeve 2 is a hollow cylinder with two ends open, chamfers are arranged at openings at two ends of the threaded sleeve 2, the chamfers arranged at the openings at two ends of the threaded sleeve 2 are R0.5, the diameter of the cylinder between the two chamfers on the threaded sleeve 2 is 14mm, the length of the threaded sleeve 2 is 15mm, the surface roughness of the peripheral wall of the outer side of the threaded sleeve is Ra1.6, threads are arranged on the peripheral wall of the inner side of the threaded sleeve 2, the threads comprise a first thread 6 and a second thread 7, the turning directions of the first thread 6 and the second thread 7 are opposite, the first thread 6 is matched with the first threaded column 4, the second threaded column 5 is matched with the second threaded column 5, the turning directions of the threads on the first threaded column 4 and the second threaded column 5 are opposite, the first threaded column 4 and the second threaded column 5 are both cylinders made of No. 40 steel, and the threaded sleeve 2 is a tubular body made of No. 40 steel;
the rod body is formed by coaxially connecting cylindrical rod bodies with different diameters in a step shape, the rod body is provided with a first rod body 1, a second rod body 11, a third rod body 8 and a fourth rod body 10 from right to left in sequence, one end of the first rod body 1 is connected with a first threaded column 4, the diameter of the first rod body 1 is 24mm, the length of the first rod body is 30mm, the diameter of the second rod body 11 is 19mm, the length of the second rod body is 70mm, the diameter of the third rod body 8 is 14mm, the length of the third rod body is 25mm, the outer wall of the third rod body 8 is provided with an external thread, the diameter of the fourth rod body 10 is 12mm, the length of the fourth rod body is 15mm, the right end of the fourth rod body 10 is connected with a conical head 9, the base is a circular plate body, one side of the base is connected with the second threaded column 5, the other side of the base is provided with a chamfer at the circumference, the base diameter is 23mm, and thickness is 10mm, the chamfer of setting on the base is C2.
During the use, be provided with connecting portion between the body of rod and the base, the body of rod and base pass through threaded sleeve and connect, threaded sleeve goes up the cylindrical diameter between two chamfers and is 14mm, threaded sleeve's length is 15mm, can reduce mushroom head ejector pin and slide the friction between the recess, and at the in-process that mushroom head ejector pin used, the base of mushroom head ejector pin is located and slides the recess, and only the threaded sleeve of the body of rod of connection and base produces the friction with the arc recess, uses the back at mushroom head ejector pin long time, and threaded sleeve is worn and torn, only needs to change threaded sleeve, guarantees the long-time use of mushroom head ejector pin.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various equivalent or equivalent modifications or replacements to the technical solution of the present invention are within the protection scope of the present invention within the scope of the present invention.
Claims (8)
1. The mushroom head ejector rod is characterized by comprising a rod body and a base (3), wherein the rod body and the base (3) are coaxially arranged, and a connecting part is arranged between the rod body and the base (3);
the connecting part comprises a threaded column and a threaded sleeve (2), the threaded column comprises a first threaded column (4) and a second threaded column (5), the first threaded column (4) is connected to the rod body and coaxially arranged with the rod body, the second threaded column (5) is connected to the base (3) and coaxially arranged with the base (3), the threaded sleeve (2) is a hollow cylinder with two open ends, the threaded sleeve (2) is sleeved on the first threaded column (4) and the second threaded column (5), chamfers are arranged at openings at two ends of the threaded sleeve (2), the outer diameter of the threaded sleeve (2) is 14mm, the inner diameter of the threaded sleeve (2) is 10mm, the length of the threaded sleeve (2) is 15mm, threads are arranged on the peripheral wall of the inner side of the threaded sleeve (2), and each thread comprises a first thread (6) and a second thread (7), the rotation directions of the first thread (6) and the second thread (7) are opposite;
the rod body is a cylindrical body which is formed by coaxially connecting cylindrical rod bodies with different diameters in a stepped manner, the rod body is sequentially provided with a first rod body (1), a second rod body (11), a third rod body (8) and a fourth rod body (10) from right to left, one end of the first rod body (1) is connected with a first threaded column (4), the diameter of the first rod body (1) is 24mm, the length of the first rod body is 30mm, the diameter of the second rod body (11) is 19mm, the length of the second rod body is 70mm, the diameter of the third rod body (8) is 14mm, the length of the third rod body is 25mm, external threads are arranged on the outer wall of the third rod body (8), the diameter of the fourth rod body (10) is 12mm, the length of the fourth rod body (10) is 15mm, the left end of the fourth rod body (10) is connected with a conical head (9), the base (3) is a circular plate body, one circular surface of the base (3), the diameter of the base is 23mm, and the thickness is 10 mm.
2. A mushroom head lift according to claim 1, characterised in that the first threaded cylinder (4) and the second threaded cylinder (5) are both 7.5mm in length and of equal diameter.
3. A mushroom-head carrier rod according to claim 2, characterized in that the first thread (6) corresponds with the thread on the outer wall of the first threaded post (4) and the second thread (7) corresponds with the thread on the outer wall of the second threaded post (5).
4. A mushroom-head stem according to claim 2, characterised in that the threads on the first (4) and second (5) threaded columns are of opposite hand.
5. A mushroom-head carrier rod according to claim 1, characterized in that the first threaded post (4) and the second threaded post (5) are both cylinders made of steel 40, the threaded sleeve (2) is a tubular body made of steel 40, and the base (3) is a circular plate made of steel 40.
6. A mushroom head ejector pin according to claim 1, characterized in that the chamfer provided at the opening at both ends of the threaded sleeve (2) is R0.5.
7. A mushroom head stem according to claim 1, characterized in that the surface roughness of the peripheral wall of the outer side of the threaded sleeve (2) is ra 1.6.
8. A mushroom head stem according to claim 1, characterized in that the chamfer provided on the base (3) is C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438819.7U CN211192552U (en) | 2019-12-30 | 2019-12-30 | Mushroom head ejector rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438819.7U CN211192552U (en) | 2019-12-30 | 2019-12-30 | Mushroom head ejector rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211192552U true CN211192552U (en) | 2020-08-07 |
Family
ID=71886347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922438819.7U Active CN211192552U (en) | 2019-12-30 | 2019-12-30 | Mushroom head ejector rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211192552U (en) |
-
2019
- 2019-12-30 CN CN201922438819.7U patent/CN211192552U/en active Active
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