CN114509582A - Lock lifting device - Google Patents
Lock lifting device Download PDFInfo
- Publication number
- CN114509582A CN114509582A CN202111519936.1A CN202111519936A CN114509582A CN 114509582 A CN114509582 A CN 114509582A CN 202111519936 A CN202111519936 A CN 202111519936A CN 114509582 A CN114509582 A CN 114509582A
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- gear
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- 230000005540 biological transmission Effects 0.000 claims abstract description 105
- 230000033001 locomotion Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a lock head lifting device, wherein a motor is provided with a rotating shaft, a supporting assembly comprises a supporting beam and a supporting shaft, the supporting shaft is parallel to the rotating shaft, the bottom end of the supporting shaft is fixedly connected with the supporting beam, the top end of the supporting shaft is fixedly connected with a lock head, a driving gear is sleeved on the rotating shaft, a screw rod is parallel to the supporting shaft, one end of the screw rod is spaced from the supporting shaft and penetrates through the supporting beam in a threaded manner, the other opposite end of the screw rod is sleeved with a driven gear, all gear sets are meshed step by step, the first gear set is meshed with the driving gear, the Nth gear set is meshed with the driven gear, and N is an integer greater than or equal to 1. The invention drives the lock head to lift through the gear transmission screw rod, reduces transmission parts, has simpler structure, reduces the size and the volume and effectively reduces the occupied area.
Description
Technical Field
The invention relates to the field of semiconductor testing, in particular to a lock head lifting device.
Background
Among the automatic test equipment of semiconductor, the elevating movement through the motor drive tapered end realizes the test head and is taken off and locking between the link of being tested equipment, and wherein, the tapered end pins by test end descending motion, then realizes being connected and the locking between test head and the measured end connector, otherwise, motor drive tapered end ascending motion, then realizes the release of taking off between test head and the measured end connector, realizes the connection function of semiconductor automation equipment through elevating movement from this.
Fig. 1 shows a schematic structural diagram of a lock head lifting device in the prior art, as shown in fig. 1, the lock head lifting device is composed of a motor 101, a gear 102, a rack 103, a slider 104, a lock head pull rod 105 and a lock head 106, the rotational motion of the motor 101 is converted into the linear motion of the slider 104 through the gear 102 and the rack 103, and a chute of the slider 104 drives the lock head pull rod 105 and drives the lock head 106 to move up and down.
The lock head lifting device has the following problems:
1. due to the requirements of test items, the number of joints of semiconductor automatic test equipment is rapidly increased, however, the space of the equipment is limited, and the lifting device occupies a larger position, which is not beneficial to space layout;
2. the connection precision requirement of customers on the semiconductor automatic test equipment is higher and higher, but the lifting device is often stuck.
Therefore, the lifting device is small in size and accurate in transmission, and the requirement for the lifting device is quite strong.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a lock head lifting device.
In order to achieve the above object, the present invention provides a lock head lifting device, comprising: the transmission assembly is provided with a motor at one side and a support assembly and a lock head at the opposite side; wherein the motor has a rotating shaft; the supporting assembly comprises a supporting beam and a supporting shaft, the supporting shaft is parallel to the rotating shaft, the bottom end of the supporting shaft is fixedly connected with the supporting beam, and the top end of the supporting shaft is fixedly connected with the lock head; the transmission assembly comprises a screw rod, a driving gear, a driven gear and N-stage gear sets, the driving gear is sleeved on the rotating shaft, the screw rod is parallel to the supporting shaft, one end of the screw rod is spaced from the supporting shaft, the screw thread penetrates through the supporting beam, the other opposite end of the screw rod is sleeved with the driven gear, all the gear sets are meshed step by step, the first-stage gear set is meshed with the driving gear, the N-stage gear set is meshed with the driven gear, and N is an integer greater than or equal to 1; the motor drives the rotating shaft to drive the driving gear to rotate, and drives each stage of gear set to drive the driven gear and link the lead screw to rotate in a threaded manner so as to drive the supporting beam and the supporting shaft to drive the lock head to reciprocate axially along the supporting shaft.
Preferably, each stage of gear set comprises a corresponding transmission shaft, a first transmission gear and/or a second transmission gear, and the first transmission gear and the second transmission gear are sleeved on the corresponding transmission shaft; the driving gear is meshed with a first transmission gear or a second transmission gear corresponding to the first-stage gear set, the driven gear is meshed with a second transmission gear or a first transmission gear corresponding to the Nth-stage gear set, and the first transmission gear or the second transmission gear corresponding to the Nth-stage gear set is meshed with a second transmission gear or a first transmission gear corresponding to the N-1 th-stage gear set.
Preferably, the upper part of the transmission shaft corresponding to each gear set is sleeved with the corresponding second transmission gear, and the lower part of the transmission shaft is sleeved with the corresponding first transmission gear.
Preferably, the gear radius of the first transmission gear corresponding to each stage of gear set is larger than or equal to the gear radius of the corresponding second transmission gear.
Preferably, the gear radius of the first transmission gear corresponding to the nth stage gear set is larger than the gear radius of the first transmission gear corresponding to the N-1 st stage gear set.
Preferably, N is equal to 2.
Preferably, the transmission shaft and the two ends of the screw rod are both sleeved with limiting rings.
Preferably, the rotation angle of the screw rod is 3 ° 46'.
Preferably, the method further comprises the following steps: and the guide columns penetrate through the support beam and are symmetrically arranged with the screw rod relative to the support shaft.
Preferably, the length of the screw thread of the screw rod is smaller than the length of the guide post.
The invention drives the lock head to lift through the gear transmission screw rod, reduces transmission parts, has simpler structure, reduces the size and the volume and effectively reduces the occupied area.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a prior art lock cylinder lifter;
fig. 2 shows a schematic structural diagram of a lock cylinder lifting device according to an embodiment of the invention.
Detailed Description
In order to make the contents of the present invention more clearly understood, the contents of the present invention will be further described with reference to the accompanying drawings. The invention is of course not limited to this particular embodiment, and general alternatives known to those skilled in the art are also covered by the scope of the invention.
In the following detailed description of the embodiments of the present invention, in order to clearly illustrate the structure of the present invention and to facilitate explanation, the structure shown in the drawings is not drawn to a general scale and is partially enlarged, deformed and simplified, so that the present invention should not be construed as limited thereto.
Fig. 2 shows a schematic structural diagram of a lock cylinder lifting device according to an embodiment of the present invention, which includes a transmission assembly, a motor 201, a support assembly, and a lock cylinder 202.
As shown in fig. 2, a motor 201 is disposed on one side of the transmission assembly, and a support assembly and a lock head 202 are disposed on the opposite side of the transmission assembly, wherein the motor 201 drives the transmission assembly to drive the support assembly to drive the lock head 202 to reciprocate.
The motor 201 has a rotating shaft, and the motor 201 drives the rotating shaft to rotate around the rotating shaft axis. The support assembly comprises a support beam 211 and a support shaft 212 which are orthogonally connected, the support shaft 212 is parallel to the rotating shaft, the bottom end of the support shaft is fixedly connected with the support beam 211, and the top end of the support shaft is fixedly connected with the lock head 202. The transmission assembly includes a screw rod 221, a driving gear 222, a driven gear 223 and an N-stage gear set.
In this embodiment, the support beam 211 and the support shaft 212 are orthogonally connected, and the support shaft 212 is parallel to the rotation axis. The supporting shaft 212 is arranged in the middle of the supporting beam 211, the screw rod 221 is arranged on one side of the supporting shaft 212 at a distance, the guide post 224 is arranged on the other opposite side at a distance, the guide post 224 penetrates through the supporting beam 211 and is symmetrically arranged with respect to the supporting shaft 212 and the screw rod 221, the supporting beam 211 drives the supporting shaft 212 and the lock head 202 to axially reciprocate along the supporting shaft 212, and the guide post 224 plays a role in guiding, so that the lifting motion of the supporting beam 211 is stable, and the reciprocating motion of the lock head 202 is ensured to be stable.
The driving gear 222 is sleeved on the rotating shaft, the lead screw 221 is parallel to the supporting shaft 212, one end of the lead screw is spaced from the supporting shaft 212 and penetrates through the supporting beam 211 in a threaded manner, and the other opposite end of the lead screw is sleeved on the driven gear 223. The screw 221 of the present invention rotates through a screw to drive the supporting beam 211, the supporting shaft 212 and the lock head 202 to reciprocate, so as to lock and unlock the lock head 202 and a tested end connector (not shown).
The gear sets are meshed step by step, the first gear set is meshed with the driving gear 222, the Nth gear set is meshed with the driven gear 223, and N is an integer greater than or equal to 1. The motor 201 drives the rotating shaft to drive the driving gear 222 to rotate, and drives each stage of gear set to drive the driven gear 223 and drive the lead screw 221 to rotate in a threaded manner so as to drive the support assembly, wherein the support beam 211 drives the support shaft 212 and the lock head 202 to move up and down and to reciprocate axially along the support shaft 212.
Each stage of gear set comprises a corresponding transmission shaft, a first transmission gear and/or a second transmission gear.
The first transmission gear and/or the second transmission gear are/is sleeved on the corresponding transmission shaft. The driving gear 222 is meshed with a first transmission gear or a second transmission gear corresponding to a first-stage gear set, the driven gear 223 is meshed with a second transmission gear or a first transmission gear corresponding to an Nth-stage gear set, and the first transmission gear or the second transmission gear corresponding to the Nth-stage gear set is meshed with a second transmission gear or a first transmission gear corresponding to an N-1 th-stage gear set.
In this embodiment, N is 2, and the transmission assembly includes a first-stage gear set and a second-stage gear set. Wherein, the first stage gear set includes a corresponding transmission shaft, a first transmission gear 231 or a second transmission gear 231. In this embodiment, the first stage gear set is only used for driving the driving gear 222. In another embodiment, the first stage gear set includes a corresponding transmission shaft, a first transmission gear and a second transmission gear, and the first stage gear set is used for transmission and speed reduction of the driving gear 222.
As shown in fig. 2, the second stage gear set includes a corresponding drive shaft 232, a first stage drive gear 233 and a second stage drive gear 234. The motor 201 drives the rotating shaft to rotate so as to drive the driving gear 222 to rotate, the driving gear 222 drives the first-stage gear set and drives the second-stage gear set so as to drive the driven gear 223 to rotate, and the driven gear 223 rotates to drive the support assembly and the lock head 202 to lift.
The gear radius of the first transmission gear corresponding to each stage of gear set is larger than or equal to that of the second transmission gear corresponding to each stage of gear set, and the electrodes are decelerated stage by stage through stage-by-stage meshing among each stage of gear set.
The gear radius of the first transmission gear corresponding to the Nth-stage gear set is larger than that of the first transmission gear corresponding to the (N-1) th-stage gear set, all stages of transmission shafts are staggered and arranged side by side, and the size and the volume are greatly reduced through the gear sets meshed step by step, so that the occupied area is effectively reduced.
In this embodiment, N is equal to 2, the first transmission gear 231 corresponding to the first stage gear set is engaged with the driving gear 222 and engaged with the first transmission gear corresponding to the second stage gear set, and the second transmission gear corresponding to the second stage gear set is engaged with the driven gear 223. The working length of the lock head lifting device in the prior art is 159mm, the length of the lock head lifting device in the embodiment is only 88mm, and the length is reduced by 44.65%.
In this embodiment, the gear radius of the first transmission gear 233 corresponding to the second-stage gear set is greater than the gear radius of the second transmission gear 234 corresponding to the second-stage gear set, and is greater than the gear radius of the first transmission gear 231 corresponding to the first-stage gear set, and the rotation speed of the transmission shaft 232 of the second-stage gear set is less than the rotation speed of the transmission shaft of the first-stage gear set. Correspondingly, the gear radius of the driven gear is larger than that of a second transmission gear 234 corresponding to a second-stage gear set, and the rotating speed of the screw rod 221 is smaller than that of a transmission shaft 232 of the second-stage gear set.
The upper part of the transmission shaft corresponding to each gear set is sleeved with the corresponding second transmission gear, and the lower part of the transmission shaft is sleeved with the corresponding first transmission gear.
As shown in fig. 2, the two ends of the screw rod 221 and the transmission shaft corresponding to each stage of gear set are respectively sleeved with a limiting ring 225, and the first transmission gear and the second transmission gear corresponding to each stage of gear set are prevented from moving beyond the limit through the limiting rings 225, and the screw rod 221 rotates beyond the limit, so that the lifting device is prevented from being damaged.
The rotation angle of the screw rod 221 is 3 degrees and 46 degrees, and compared with the lock head lifting device in fig. 1, the transmission angle of the invention is more labor-saving. Moreover, the error of the thread pitch is only +/-0.02 mm, so that the reciprocating motion control of the lock head 202 is more accurate.
The screw thread length of the screw rod 221 is smaller than the length of the guide post 224, the guide post 224 penetrates through the support beam 211 and is symmetrically arranged with respect to the support shaft 212 and the screw rod 221, the guide post 224 is matched with the screw rod 221 to provide guidance, and the screw rod 221 rotates to drive the lock head 202 to move smoothly.
The above description is only for the preferred embodiment of the present invention, and the embodiment is not intended to limit the scope of the present invention, so that all the equivalent structural changes made by using the contents of the description and the drawings of the present invention should be included in the scope of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A lock head lifting device is characterized by comprising: the transmission assembly is provided with a motor on one side and a support assembly and a lock head on the opposite side; wherein,
the motor has a rotating shaft;
the supporting assembly comprises a supporting beam and a supporting shaft which are connected in an orthogonal mode, the supporting shaft is parallel to the rotating shaft, the bottom end of the supporting shaft is fixedly connected with the supporting beam, and the top end of the supporting shaft is fixedly connected with the lock head;
the transmission assembly comprises a screw rod, a driving gear, a driven gear and N-stage gear sets, the driving gear is sleeved on the rotating shaft, the screw rod is parallel to the supporting shaft, one end of the screw rod is spaced from the supporting shaft, the screw thread penetrates through the supporting beam, the other opposite end of the screw rod is sleeved with the driven gear, all the gear sets are meshed step by step, the first-stage gear set is meshed with the driving gear, the N-stage gear set is meshed with the driven gear, and N is an integer greater than or equal to 1;
the motor drives the rotating shaft to drive the driving gear to rotate, and drives each stage of gear set to drive the driven gear and link the lead screw to rotate in a threaded manner so as to drive the supporting beam and the supporting shaft to drive the lock head to reciprocate axially along the supporting shaft.
2. The lock head lifting device according to claim 1, wherein each stage of gear set includes a corresponding transmission shaft, a first transmission gear and/or a second transmission gear, and the first transmission gear and the second transmission gear are both sleeved on the corresponding transmission shaft; wherein,
the driving gear is meshed with a first transmission gear or a second transmission gear corresponding to the first-stage gear set, the driven gear is meshed with a second transmission gear or a first transmission gear corresponding to the Nth-stage gear set, and the first transmission gear or the second transmission gear corresponding to the Nth-stage gear set is meshed with a second transmission gear or a first transmission gear corresponding to the N-1 th-stage gear set.
3. The lock head lifting device according to claim 2, wherein the second transmission gear is disposed on an upper portion of the transmission shaft corresponding to each gear set, and the first transmission gear is disposed on a lower portion of the transmission shaft corresponding to each gear set.
4. The lock cylinder lifting device according to claim 3, wherein a gear radius of the first transmission gear corresponding to each gear set is greater than or equal to a gear radius of the second transmission gear corresponding to each gear set.
5. The lock cylinder lifting device according to claim 4, wherein a gear radius of the first transmission gear corresponding to the nth stage gear set is greater than a gear radius of the first transmission gear corresponding to the N-1 st stage gear set.
6. The lock cylinder lifting device of claim 2, wherein N is equal to 2.
7. The lock cylinder lifting device according to claim 2, wherein both ends of the transmission shaft and the lead screw are sleeved with a limit ring.
8. The lock cylinder lifting device according to any one of claims 1 to 7, characterized in that the rotation angle of the lead screw is 3 ° 46'.
9. The lock cylinder lifting device of claim 8, further comprising: and the guide columns penetrate through the support beam and are symmetrically arranged with the screw rod relative to the support shaft.
10. The lock cylinder lifting device according to claim 1, wherein the lead screw has a thread length less than a length of the guide post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111519936.1A CN114509582A (en) | 2021-12-13 | 2021-12-13 | Lock lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111519936.1A CN114509582A (en) | 2021-12-13 | 2021-12-13 | Lock lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114509582A true CN114509582A (en) | 2022-05-17 |
Family
ID=81548342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111519936.1A Pending CN114509582A (en) | 2021-12-13 | 2021-12-13 | Lock lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114509582A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117961190A (en) * | 2024-03-26 | 2024-05-03 | 苏州众捷汽车零部件股份有限公司 | High-precision flange inner wall key groove machining device |
-
2021
- 2021-12-13 CN CN202111519936.1A patent/CN114509582A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117961190A (en) * | 2024-03-26 | 2024-05-03 | 苏州众捷汽车零部件股份有限公司 | High-precision flange inner wall key groove machining device |
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