CN215908338U - Light translation mechanism - Google Patents
Light translation mechanism Download PDFInfo
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- CN215908338U CN215908338U CN202122265100.5U CN202122265100U CN215908338U CN 215908338 U CN215908338 U CN 215908338U CN 202122265100 U CN202122265100 U CN 202122265100U CN 215908338 U CN215908338 U CN 215908338U
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- screw rod
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- fixedly connected
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Abstract
The utility model discloses a light translation mechanism, which comprises a base, a screw rod and a driving mechanism, wherein the screw rod is arranged on the base; the driving mechanism comprises a motor, a limiting block, a rotating screw nut, a driving wheel, a driven wheel, a fixed screw nut, a guide rod and an actuator connector; the screw rod is in threaded rotary connection with the fixed screw rod nut; the fixed screw rod nut is fixedly connected with the base; the driving wheel is meshed with the driven wheel, wherein the driving wheel is fixedly connected with an output end shaft of the motor, the driven wheel is fixedly connected with a rotary screw rod nut, and the rotary screw rod nut is in threaded rotary connection with a screw rod; the utility model has simple integral structure and easy assembly; the number of parts is small, most parts are common standard parts, and the cost is low; different modules can be configured at the tail end, and certain universality is achieved. The method has good practical value and application prospect on light machinery with general precision and lower cost.
Description
Technical Field
The utility model relates to a translation mechanism, in particular to a light translation mechanism.
Background
The translation mechanism realizes the relative linear motion between the two parts and is widely applied to various mechanical equipment.
In the traditional material reducing manufacturing field, a translation mechanism is often arranged in equipment such as a machining center, a numerical control lathe and the like; in the emerging additive manufacturing field, the 3D printer is also often provided with a translation mechanism.
In industrial robots, a translation joint formed by a translation mechanism is widely used, for example, a translation joint is often configured at the end of a SCARA, so that an end effector can translate in the vertical direction.
The prior translation mechanism can achieve higher precision. However, in general, the conventional translation mechanism has a larger volume than the rest structure, and has a larger number of parts, which results in higher manufacturing cost and assembly difficulty, and also causes difficulties in reducing the volume of the device and reducing the overall mass of the device. In the actual production life, the use conditions of the translation mechanism have low precision requirement and strict cost control requirement. Therefore, it is necessary to improve the conventional translation mechanism, so that the translation mechanism is miniaturized, simplified and lightened.
Disclosure of Invention
Aiming at the defects of the existing translation mechanism, the utility model provides a light translation mechanism. The translation mechanism has the advantages of simple structure, light weight and low manufacturing cost. Provides a feasible scheme for simple and light equipment to use a translation mechanism.
The utility model is realized by the following technical scheme:
a light translation mechanism comprises a machine base 1, a screw rod 9 and a driving mechanism;
the driving mechanism comprises a motor 2, an upper limiting block 6, a rotating screw nut 5, a driving wheel 3, a driven wheel 4, a lower limiting block 7, a fixed screw nut 8, a guide rod 11 and an actuator connector 10;
the upper limiting block 6, the rotary screw rod nut 5, the driven wheel 4, the lower limiting block 7 and the fixed screw rod nut 8 are sequentially sleeved on the screw rod 9 from top to bottom;
the screw rod 9 is in threaded rotary connection with the fixed screw rod nut 8; the fixed screw nut 8 is fixedly connected with the base 1;
the motor 2 is fixed on the upper side of the base 1; the driving wheel 3 is meshed with the driven wheel 4, wherein the driving wheel 3 is fixedly connected with an output end shaft of the motor 2, the driven wheel 4 is fixedly connected with a rotary screw rod nut 5, and the rotary screw rod nut 5 is in threaded rotary connection with a screw rod 9;
the upper limiting block 6 and the lower limiting block 7 are fixedly connected with the machine base 1;
the guide rod 11 and the actuator connector 10 are positioned below the machine base 1; wherein, the two guide rods 11 are vertically arranged in parallel; the actuator connector 10 is arranged on the two guide rods 11 through the guide holes at the end part, so that the actuator connector 10 is in sliding connection with the guide rods 11;
the middle part of the actuator connector 10 is movably connected with the lower end part of the screw rod 9 through a connecting structure.
The connecting structure is a cylindrical part 12 fixed on the actuator connector 10, the lower end of the screw rod 9 is arranged in the cylindrical part 12, and the screw rod 9 is rotationally connected with the cylindrical part 12;
the lead screw 9 located at both ends of the cylindrical member 12 is respectively provided with a pin shaft 13 or a snap ring, so that the actuator connector 10 is connected to the lower end portion of the lead screw 9 and moves up and down synchronously with the lead screw 9.
The upper limiting block 6 and the lower limiting block 7 are fixedly connected with the machine base 1 through bolts.
The motor 2 is fixed on the upper side of the machine base 1 through four support columns.
The motor 2 is a servo motor.
The base 1 is provided with a connecting hole for being fixedly connected with an external first mounting plane.
The bottom of the guide rod 11 is provided with a fixed seat 14, and the fixed seat 14 is provided with a connecting hole for being fixedly connected with a second external mounting plane.
Compared with the prior art, the utility model has the following advantages and effects:
the utility model adopts a gear lead screw pair to configure a translation mechanism. Generally, a lead screw lifting mechanism adopts a scheme that a lead screw only rotates, and a lead screw nut on the lead screw moves up and down. The utility model adopts a scheme that the screw rod moves up and down and the screw rod nut rotates. The lifting mechanism also adopts a gear structure for transmission.
The utility model has simple integral structure and easy assembly; the number of parts is small, most parts are common standard parts, and the cost is low; different modules can be configured at the tail end, and certain universality is achieved. The method has good practical value and application prospect on light machinery with general precision and lower cost.
Drawings
Fig. 1 is a partially exploded view of the drive mechanism of the present invention.
Fig. 2 is a schematic view of the overall assembly of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Examples
As shown in fig. 1-2. The utility model discloses a light translation mechanism, which comprises a machine base 1, a screw rod 9 and a driving mechanism, wherein the machine base is provided with a base seat;
the driving mechanism comprises a motor 2, an upper limiting block 6, a rotating screw nut 5, a driving wheel 3, a driven wheel 4, a lower limiting block 7, a fixed screw nut 8, a guide rod 11 and an actuator connector 10;
the upper limiting block 6, the rotary screw rod nut 5, the driven wheel 4, the lower limiting block 7 and the fixed screw rod nut 8 are sequentially sleeved on the screw rod 9 from top to bottom;
the screw rod 9 is in threaded rotary connection with the fixed screw rod nut 8; the fixed screw nut 8 is fixedly connected with the base 1;
the motor 2 is fixed on the upper side of the base 1; the driving wheel 3 is meshed with the driven wheel 4, wherein the driving wheel 3 is fixedly connected with an output end shaft of the motor 2, the driven wheel 4 is fixedly connected with a rotary screw rod nut 5, and the rotary screw rod nut 5 is in threaded rotary connection with a screw rod 9;
the upper limiting block 6 and the lower limiting block 7 are fixedly connected with the machine base 1;
the guide rod 11 and the actuator connector 10 are positioned below the machine base 1; wherein, the two guide rods 11 are vertically arranged in parallel; the actuator connector 10 is arranged on the two guide rods 11 through the guide holes at the end part, so that the actuator connector 10 is in sliding connection with the guide rods 11;
the middle part of the actuator connector 10 is movably connected with the lower end part of the screw rod 9 through a connecting structure.
The connecting structure is a cylindrical part 12 (smooth inner wall and without threads) fixed on the actuator connector 10, the lower end (smooth wall and without threads) of the screw rod 9 is arranged in the cylindrical part 12, and the screw rod 9 is rotationally connected with the cylindrical part 12;
the lead screw 9 located at the upper and lower ends of the cylindrical member 12 is respectively provided with a pin shaft 13 or a snap ring, so that the actuator connector 10 is connected to the lower end of the lead screw 9 and moves up and down synchronously with the lead screw 9.
A pin 13 or snap ring to define the position of the actuator connector 10 on the lead screw 9.
The upper limiting block 6 and the lower limiting block 7 are fixedly connected with the machine base 1 through bolts.
The motor 2 is fixed on the upper side of the base 1 through four support columns, so that the motor is convenient to flexibly install and fix.
The motor 2 may be a servo motor.
The base 1 is provided with a connecting hole for fixedly connecting with an external first mounting plane (not shown in the figure).
The bottom of the guide rod 11 is provided with a fixed seat 14, and the fixed seat 14 is provided with a connecting hole for fixedly connecting with a second external mounting plane (not shown in the figure).
Due to the limitation of the two guide rods 11, the actuator connector 10 can only and only move in the up-down direction.
The actuator coupling 10 is moved together with the spindle 9, whereby the spindle 9 can also be moved, and only in the vertical direction. The upper limit block 6 and the lower limit block 7 prevent the driven wheel 4 and the rotary feed screw nut 5 from moving in the vertical direction. The stationary spindle nut 8 determines the position of the spindle 9 in the horizontal direction and ensures that it remains vertical all the time. Therefore, when the output end shaft of the motor 2 rotates, the driving wheel 3 is driven to rotate through key transmission. The driving wheel 3 drives the driven wheel 4 to rotate. The driven wheel 4 drives the rotary screw rod nut 5 to do rotary motion, so that the whole screw rod 9 is translated up and down, and the actuator connector 10 is translated up and down along the track of the guide rod 11.
The actuator connector 10 is provided with a through hole, and different end execution modules can be connected through bolts and nuts, so that the translation mechanism described in the utility model can realize different functions.
As described above, the present invention can be preferably realized.
The embodiments of the present invention are not limited to the above-described embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and they are included in the scope of the present invention.
Claims (7)
1. A light translation mechanism is characterized in that: comprises a machine base (1), a screw rod (9) and a driving mechanism; it is characterized in that the preparation method is characterized in that,
the driving mechanism comprises a motor (2), an upper limiting block (6), a rotary screw nut (5), a driving wheel (3), a driven wheel (4), a lower limiting block (7), a fixed screw nut (8), a guide rod (11) and an actuator connector (10);
the upper limiting block (6), the rotary screw rod nut (5), the driven wheel (4), the lower limiting block (7) and the fixed screw rod nut (8) are sequentially sleeved on the screw rod (9) from top to bottom;
the screw rod (9) is in threaded rotary connection with the fixed screw rod nut (8); the fixed screw nut (8) is fixedly connected with the base (1);
the motor (2) is fixed on the upper side of the base (1); the driving wheel (3) is meshed with the driven wheel (4), wherein the driving wheel (3) is fixedly connected with an output end shaft of the motor (2), the driven wheel (4) is fixedly connected with the rotary screw rod nut (5), and the rotary screw rod nut (5) is in threaded rotary connection with the screw rod (9);
the upper limiting block (6) and the lower limiting block (7) are fixedly connected with the machine base (1);
the guide rod (11) and the actuator connector (10) are positioned below the machine base (1); wherein the two guide rods (11) are vertically arranged in parallel; the actuator connector (10) is arranged on the two guide rods (11) through the guide holes at the end part, so that the actuator connector (10) is in sliding connection with the guide rods (11);
the middle part of the actuator connector (10) is movably connected with the lower end part of the screw rod (9) through a connecting structure.
2. The lightweight translation mechanism according to claim 1, further comprising: the connecting structure is a cylindrical part (12) fixed on the actuator connector (10), the lower end of the screw rod (9) is arranged in the cylindrical part (12), and the screw rod (9) is rotationally connected with the cylindrical part (12);
the lead screw (9) at two ends of the cylindrical member (12) is respectively provided with a pin shaft (13) or a snap ring, so that the actuator connector (10) is connected to the lower end part of the lead screw (9) and moves up and down synchronously along with the lead screw (9).
3. The lightweight translation mechanism according to claim 2, further comprising: the upper limiting block (6) and the lower limiting block (7) are fixedly connected with the machine base (1) through bolts.
4. The lightweight translation mechanism according to claim 3, further comprising: the motor (2) is fixed on the upper side of the machine base (1) through four supporting columns.
5. The lightweight translation mechanism according to claim 4, further comprising: the motor (2) is a servo motor.
6. The lightweight translation mechanism according to claim 5, further comprising: the engine base (1) is provided with a connecting hole for being fixedly connected with an external first mounting plane.
7. The lightweight translational mechanism of claim 6, wherein: the bottom of the guide rod (11) is provided with a fixed seat (14), and the fixed seat (14) is provided with a connecting hole for being fixedly connected with a second external mounting plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122265100.5U CN215908338U (en) | 2021-09-17 | 2021-09-17 | Light translation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122265100.5U CN215908338U (en) | 2021-09-17 | 2021-09-17 | Light translation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215908338U true CN215908338U (en) | 2022-02-25 |
Family
ID=80309898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122265100.5U Active CN215908338U (en) | 2021-09-17 | 2021-09-17 | Light translation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215908338U (en) |
-
2021
- 2021-09-17 CN CN202122265100.5U patent/CN215908338U/en active Active
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