A drive gearbox for a clamping device

Abstract

The present application discloses a driver gearbox of a clamping device, comprising: a first shell, comprising a first main body and a docking portion located outside the first main body, the docking portion being used to connect with a motor and a base; a second shell, comprising a second main body and a mounting portion located outside the second main body, the mounting portion being used to connect with the base; the first main body and the second main body are adapted to be mutually engaged to form a receiving chamber, the receiving chamber being used to accommodate a transmission assembly, the receiving chamber comprising a sub-chamber along a first direction and a main chamber along a second direction. The first shell is fixedly connected to the base through the docking portion located in the first shell, and the second shell is fixedly connected to the base through the mounting portion located in the second shell, thereby enabling the driver gearbox of the clamping device to be reliably fixed to the base.

Description

Technical Field

[0001] The present application relates to the field of gear boxes, and in particular to a drive gear box of a clamping device. Background Art

[0002] With the development of science and technology such as electronic technology, material technology and aerodynamics, drones are gradually developing towards miniaturization, informationization and lightweight, which makes drones play an increasingly important role in various application scenarios in the military and civilian fields, and the scope of application is constantly expanding. Especially in vehicle-mounted drone systems, by combining drones with vehicles, not only the effective working time of drones is increased, but also their scope of use is expanded, so that vehicle-mounted drones can take off and operate safely and reliably in complex and changing environments, which greatly reduces the cost of use and training and improves the adaptability to the use environment.

[0003] At present, it has become a popular trend to set up a cabin on the roof for parking drones. The drone can be clamped or released through a clamping device in the cabin. How to reliably connect the drive gearbox of the clamping device with the cabin base is an urgent problem to be solved. Utility Model Content

[0004] One object of the present application is to provide a gear box of a driver of a clamping device, so that the driver gear box can be reliably connected to a nacelle base.

[0005] In order to achieve the above objectives, the technical solution adopted in the present application is: a driver gearbox for a clamping device, comprising: a first shell, comprising a first main body and a docking portion located outside the first main body, the docking portion being used to connect with a motor and a base; a second shell, comprising a second main body and a mounting portion located outside the second main body, the mounting portion being used to connect with the base; the first main body and the second main body are suitable for interlocking to form a accommodating chamber, the accommodating chamber being used to accommodate a transmission assembly, the accommodating chamber comprising a sub-chamber along a first direction and a main chamber along a second direction.

[0006] Preferably, the docking portion includes a transfer sub-portion, which is protruding along a first direction on a side of the first main portion away from the second shell body, and a transfer cavity along the first direction is formed in the middle area of ​​the transfer sub-portion, which is connected to the sub-chamber for accommodating the output shaft of the motor.

[0007] Preferably, the docking portion further includes two fixed sub-parts, which are connected to opposite sides of the adapter sub-part, and each of the fixed sub-parts is provided with a first connecting hole and a second connecting hole at intervals, the first connecting hole is used to connect to the motor so that the motor is fixed to the first shell, and the second connecting hole is used to connect to the base so that the first shell is fixed to the base.

[0008] Preferably, the docking portion further includes an abutting sub-portion, which is connected to opposite sides of the adapter sub-portion, and a abutting surface is formed on the side of the abutting sub-portion facing away from the first main body portion, and when the motor is installed in the first shell, the end face of the motor is suitable for abutting against the abutting surface to position the motor in the axial direction.

[0009] Preferably, the abutting sub-portion further has a first weight reducing groove and a second weight reducing groove, wherein the first weight reducing groove is located in the middle area of ​​the abutting sub-portion, extends along the first direction, and is spaced apart from the transition cavity; the second weight reducing groove is located on the outer peripheral side of the abutting sub-portion, extends along the first direction, and is spaced apart from the first weight reducing groove along the radial direction of the transition cavity.

[0010] As a preference, the docking portion further has a limiting groove, which is opened on the outer peripheral side of the adapter sub-portion, and under the condition that the motor is installed in the first shell, the protrusion of the motor is suitable for being accommodated in the limiting groove to position the motor in the radial direction.

[0011] Preferably, the mounting portion includes a third connecting hole and a positioning hole arranged at intervals, the third connecting hole is used to connect to the base so that the second shell is fixed to the base, and the positioning hole is adapted to the boss on the base so that the second shell is positioned on the base.

[0012] Preferably, the driver gearbox of the clamping device further includes a positioning column, which protrudes from the bottom surface of the first shell and / or the bottom surface of the second shell, and the positioning column is adapted to the groove on the base to position the first shell and the second shell on the base.

[0013] Preferably, the transmission assembly includes a worm and a worm wheel meshing with each other, the worm is rotatably accommodated in the sub-chamber and connected to the output shaft of the motor, and the worm wheel is rotatably accommodated in the main chamber; the transmission assembly further includes a screw rod, and the screw rod and the worm wheel meshing with each other can rotate under the drive of the worm wheel.

[0014] Preferably, the screw rod has a mating portion, a first threaded portion, and a second threaded portion in sequence along its axial direction, the mating portion is suitable for meshing with the worm wheel so that the screw rod rotates under the drive of the worm wheel, the first threaded portion and the second threaded portion are suitable for meshing with the clamping members respectively, the first threaded portion and the second threaded portion have opposite rotation directions, and are used to drive the two clamping members to move relative to or away from each other.

[0015] Compared with the prior art, the beneficial effects of this application are:

[0016] The first shell body is fixedly connected to the base through the docking portion located on the first shell body, and the second shell body is fixedly connected to the base through the mounting portion located on the second shell body, thereby enabling the driver gear box of the clamping device to be reliably fixed to the base. The docking portion located on the first shell body is suitable for connecting to the motor, so that the motor is directly fixedly connected to the driver gear box of the clamping device, which is beneficial to improving the transmission reliability between the motor and the transmission assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a driver gearbox of a clamping device according to some embodiments of the present application.

[0018] Figure 2 It is a side schematic diagram of the first shell and the second shell installed on the base according to some embodiments of the present application.

[0019] Figure 3 is a cross-sectional view of a driver gearbox of a clamping device according to some embodiments of the present application.

[0020] Figure 4 It is a schematic diagram of the top surface of the first shell and the second shell installed on the base according to some embodiments of the present application.

[0021] Figure 5 It is a side schematic diagram of the first shell and the second shell installed on the base according to some embodiments of the present application.

[0022] Figure 6 It is a side schematic diagram of the first shell and the second shell according to some embodiments of the present application.

[0023] Figure 7 It is a schematic diagram of the bottom surface of the first shell body and the second shell body according to some embodiments of the present application.

[0024] In the figure: 10, first shell; 11, first main body; 12, docking part; 121, transfer sub-part; 1211, transfer cavity; 122, limit groove; 123, fixed sub-part; 1231, first connecting hole; 1232, second connecting hole; 124, abutting sub-part; 1241, first weight-reducing groove; 1242, second weight-reducing groove; 1243, reinforcing rib; 1244, abutting surface; 13, positioning column; 20, second shell; 21, second main body; 22, mounting part; 221, third connecting hole; 222 , positioning hole; 31, sub-chamber; 32, main chamber; 40, motor; 41, first mounting hole; 42, body; 421, output shaft; 43, end cover; 431, protrusion; 50, base; 51, bottom wall; 511, groove; 52, first support platform; 521, second mounting hole; 53, second support platform; 531, third mounting hole; 532, boss; 60, transmission assembly; 61, worm; 62, worm wheel; 63, screw; 631, first threaded portion; 632, second threaded portion; 70, clamping member. DETAILED DESCRIPTION

[0025] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0026] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0027] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0028] A drive gearbox for a clamping device, such as Figure 1-Figure 7As shown, it includes a first shell 10 and a second shell 20. The first shell 10 includes a first main body 11 and a docking portion 12 located outside the first main body 11, and the docking portion 12 is used to connect with the motor 40 and the base 50. The second shell 20 includes a second main body 21 and a mounting portion 22 located outside the second main body 21, and the mounting portion 22 is used to connect with the base 50. Further, the first main body 11 and the second main body 21 are suitable for interlocking to form a receiving chamber, and the receiving chamber is used to accommodate the transmission assembly 60, and the receiving chamber includes a sub-chamber 31 along the first direction and a main chamber 32 along the second direction. The first direction and the second direction are perpendicular.

[0029] It can be understood that the first shell 10 is fixedly connected to the base 50 through the docking portion 12 located on the first shell 10, and the second shell 20 is fixedly connected to the base 50 through the mounting portion 22 located on the second shell 20, so that the drive gear box of the clamping device can be reliably fixed to the base 50, and the docking portion 12 located on the first shell 10 is suitable for connecting with the motor 40, so that the motor 40 is directly fixedly connected to the drive gear box of the clamping device, which is beneficial to improve the transmission reliability between the motor 40 and the transmission assembly 60.

[0030] In some embodiments, Figure 2 and Figure 3 As shown, the transmission assembly 60 includes a worm 61 and a worm wheel 62 meshing with each other, and a lead screw 63 meshing with the worm wheel 62. The worm 61 is rotatably accommodated in the secondary chamber 31 and connected to the output shaft 421 of the motor 40. The worm 61 is driven to rotate by the motor 40. The worm wheel 62 is rotatably accommodated in the main chamber 32. The worm wheel 62 is driven to rotate by the worm 61, and the lead screw 63 is driven to rotate by the worm wheel 62. The axis of the worm 61 is along the first direction, and the axes of the worm wheel 62 and the lead screw 6 are along the second direction.

[0031] It is worth mentioning that the motor 40 is fixed to the first housing 10 and can be positioned by the first housing 10, and the worm 61 is rotatably disposed in the sub-chamber 31 between the first housing 10 and the second housing 20 and can also be positioned by the first housing 10 and the second housing 20, and thus the motor 40 and the worm 61 are both installed with the first housing 10 as a reference, which is beneficial to improve the coaxiality of the output shaft 421 of the motor 40 and the worm 61, and thus is beneficial to improve the transmission reliability between the motor 40 and the transmission assembly 60. In addition, the motor 40 is fixed to the first housing 10 and transmits torque through the transmission assembly 60, so that the motor 40 is located on the axial side of the screw 63, which is beneficial to reduce the length of the clamping device along the axial direction of the screw 63.

[0032] Further, such as Figure 1As shown, the screw rod 63 has a matching portion, a first threaded portion 631, and a second threaded portion 632 in sequence along its axial direction. The matching portion is suitable for meshing with the worm wheel 62 so that the screw rod 63 rotates under the drive of the worm wheel 62. The first threaded portion 631 and the second threaded portion 632 are suitable for meshing with the clamping member 70 respectively. The first threaded portion 631 and the second threaded portion 632 have opposite rotation directions and are used to drive the two clamping members 70 to move relative to or away from each other.

[0033] Specifically, the worm 61 has an outer tooth portion and an inner tooth portion, the outer tooth portion is adapted to mesh with the worm 61, and the inner tooth portion is adapted to mesh with the mating portion of the screw 63, so that the motor 40 can drive the screw 63 to rotate through the worm 61 and the worm wheel 62. Further, one of the clamping members 70 is meshed with the first threaded portion 631, and the other clamping member 70 is meshed with the second threaded portion 632. It can be understood that, since the first threaded portion 631 and the second threaded portion 632 have opposite rotation directions, the two clamping members 70 can be driven to move relative to or opposite to each other along the axial direction of the screw 63 by controlling the rotation direction of the screw 63, so that the clamping device clamps or releases the items between the two clamping members 70, such as: drones, energy storage devices, suitcases, etc.

[0034] In some embodiments, Figure 6 and Figure 7 As shown, the docking portion 12 includes a transfer sub-portion 121, which is protrudingly disposed along the first direction on the side of the first main body portion 11 away from the second housing 20, and a transfer cavity 1211 along the first direction is provided in the middle area of ​​the transfer sub-portion 121, which is communicated with the sub-chamber 31 and is used to accommodate the output shaft 421 of the motor 40. In other words, the transfer cavity 1211 can accommodate the output shaft 421 of the motor 40, and the transfer sub-portion 121 surrounds the outer periphery of the output shaft 421 of the motor 40, which is conducive to protecting the output shaft 421 of the motor 40.

[0035] In a specific embodiment, the adapter sub-portion 121 extends into the end cover 43 of the motor 40, so that the adapter cavity 1211 is approximately sealed, which helps to prevent dust and debris from entering the adapter cavity 1211 and the accommodating cavity, reduces the risk of damage to the output shaft 421 of the motor 40 and the transmission assembly 60, and helps to extend the service life of the motor 40 and the transmission assembly 60.

[0036] In some embodiments, Figure 6 and Figure 7As shown, the docking portion 12 further includes two fixed sub-portions 123, and the two fixed sub-portions 123 are connected to the opposite sides of the adapter sub-portion 121. Each fixed sub-portion 123 is provided with a first connecting hole 1231 and a second connecting hole 1232 at intervals. The first connecting hole 1231 is used to connect with the motor 40 so that the motor 40 is fixed to the first shell 10, and the second connecting hole 1232 is used to connect with the base 50 so that the first shell 10 is fixed to the base 50.

[0037] It is understandable that if Figure 5-Figure 7 As shown, first mounting holes 41 penetrating the body 42 and the end cover 43 are respectively provided on both sides of the motor 40. When the output shaft 421 of the motor 40 is coaxial with the worm 61, the first mounting hole 41 is arranged opposite to the first connecting hole 1231 on the fixed sub-part 123, and the motor 40 is fixedly connected to the docking part 12 by fasteners. The base 50 includes a bottom wall 51 and a first support platform 52 protruding from the bottom wall 51 along a third direction. The first support platform 52 is provided with a plurality of second mounting holes 521 arranged at intervals. When the driver gear box of the clamping device is installed on the base 50, the second mounting hole 521 is arranged opposite to the second connecting hole 1232 on the fixed sub-part 123, and the first housing 10 is fixedly connected to the base 50 by fasteners. The third direction is perpendicular to the first direction and the second direction.

[0038] In a specific embodiment, the two fixed sub-parts 123 are symmetrically connected to the opposite sides of the adapter sub-part 121 along the second direction, and the first connection holes 1231 and the second connection holes 1232 on each fixed sub-part 123 are spaced apart along the second direction. The first connection holes 1231 on the two fixed sub-parts 123 are symmetrically arranged, and the second connection holes 1232 are also symmetrically arranged, which is beneficial to making the docking part 12 subjected to uniform force.

[0039] Furthermore, the first connection hole 1231 is a threaded hole, and its axis is along the second direction, so that it can be arranged opposite to the first mounting hole 41 on the motor 40, so that the motor 40 is fixed to the outside of the docking portion 12. The second connection hole 1232 is a smooth hole, and its axis is along the third direction, so that the fastener passes through the second connection hole 1232 along the third direction to connect with the first mounting hole 41, which is conducive to reducing the interference of the motor 40 and the first housing 10 on the installation operation. Preferably, the second connection hole 1232 is a countersunk smooth hole.

[0040] Further, such as Figure 4As shown, the docking portion 12 further includes an abutting sub-portion 124, which is connected to the opposite sides of the adapter sub-portion 121, and a side of the abutting sub-portion 124 facing away from the first main body portion 11 is formed with an abutting surface 1244. When the motor 40 is installed in the first shell body 10, the end face of the motor 40 is suitable for abutting against the abutting surface 1244, so that the motor 40 can be positioned in the axial direction, which is beneficial to maintain the connection length between the output shaft 421 of the motor 40 and the worm 61, thereby improving the repeatability of the installation of the motor 40.

[0041] Furthermore, if Figure 5-Figure 7 As shown, the abutting sub-portion 124 has a first weight reducing groove 1241 and a second weight reducing groove 1242. The first weight reducing groove 1241 is located in the middle area of ​​the abutting sub-portion 124, and the first weight reducing groove 1241 extends along the first direction and is spaced apart from the transition cavity 1211; the second weight reducing groove 1242 is located on the outer peripheral side of the abutting sub-portion 124, and the second weight reducing groove 1242 extends along the first direction and is spaced apart from the first weight reducing groove 1241 along the radial direction of the transition cavity 1211.

[0042] It can be understood that by providing the first weight-reducing groove 1241 and the second weight-reducing groove 1242, it is helpful to reduce the weight of the first shell 10, thereby reducing the total weight of the driver gearbox of the clamping device, and when the clamping device is set on the roof, it is helpful to reduce the weight of the roof. At the same time, by providing the first weight-reducing groove 1241 and the second weight-reducing groove 1242, the wall thickness of the first shell 10 can be made more uniform, which is helpful to reduce the risk of defects during the casting of the first shell 10.

[0043] In a specific embodiment, Figure 5-Figure 7 As shown, the two abutting sub-sections 124 are symmetrically connected to the opposite sides of the transfer sub-section 121 along the third direction, which is conducive to making the docking part 12 bear force uniformly. Further, each abutting sub-section 124 is provided with a first weight-reducing groove 1241 on one side close to the transfer cavity 1211, and the first weight-reducing groove 1241 extends from the abutting surface 1244 along the first direction. Further, the outer periphery of each abutting sub-section 124 is provided with two groups of second weight-reducing grooves 1242, and the two groups of second weight-reducing grooves 1242 are symmetrically arranged along the second direction, so that the abutting sub-section 124 bears force uniformly, and each group of second weight-reducing grooves 1242 includes two second weight-reducing grooves 1242 arranged at intervals along the first direction. It is worth mentioning that each second weight-reducing groove 1242 is located on the outer periphery of the first weight-reducing groove 1241, and a reinforcing rib 1243 is formed between two adjacent second weight-reducing grooves 1242, which is conducive to improving the structural strength of the abutting sub-section 124.

[0044] In some embodiments, Figure 6As shown, the docking portion 12 further has a limiting groove 122, which is opened on the outer peripheral side of the adapter sub-portion 121. When the motor 40 is installed in the first housing 10, the protrusion 431 of the motor 40 is suitable for being accommodated in the limiting groove 122, so that the motor 40 can be positioned in the radial direction. It is worth mentioning that the limiting groove 122 and the protrusion 431 of the motor 40 cooperate to facilitate the alignment of the output shaft 421 of the motor 40 with the worm 61 during installation, which is conducive to reducing the difficulty of installing the motor 40.

[0045] In a specific embodiment, Figure 5-Figure 7 As shown, the adapter sub-section 121, the fixed sub-section 123 and the abutting sub-section 124 of the first shell 10 are coplanar on the side facing the first main body 11, so as to facilitate the processing and manufacturing of the first shell 10. Furthermore, the side of the fixed sub-section 123 away from the first main body 11 protrudes from the abutting surface 1244 of the abutting sub-section 124, and the side of the adapter sub-section 121 away from the first main body 11 also protrudes from the abutting surface 1244, thereby forming a limiting groove 122 between the fixed sub-section 123 and the adapter sub-section 121. Furthermore, a protrusion 431 is protrudingly provided on the side of the end cover 43 of the motor 40 away from the body 42, and the protrusion 431 is suitable for being embedded in the limiting groove 122, and the end face of the protrusion 431 is suitable for abutting against the abutting surface 1244, thereby positioning the motor 40 in the radial direction and the axial direction.

[0046] It is worth mentioning that the abutting sub-portion 124 has a certain length in the first direction, which is beneficial to improving the structural strength of the abutting sub-portion 124 along the first direction.

[0047] In some embodiments, Figure 7 As shown, the mounting portion 22 includes a third connecting hole 221 and a positioning hole 222 that are spaced apart. The third connecting hole 221 is used to connect to the base 50 so that the second shell 20 is fixed to the base 50. The positioning hole 222 is adapted to the boss 532 on the base 50 so that the second shell 20 is positioned on the base 50.

[0048] In a specific embodiment, the mounting portion 22 includes a positioning hole 222 and two third connection holes 221, and the two third connection holes 221 are arranged on both sides of the positioning hole 222 along the second direction, that is, the positioning hole 222 and the third connection hole 221 are arranged at intervals along the second direction, and the positioning hole 222 is located between the two third connection holes 221. Further, the base 50 further includes a second support platform 53 protruding from the bottom wall 51 along the third direction, and the second support platform 53 has a boss 532 and a third mounting hole 531. Under the condition that the driver gear box of the clamping device is installed on the base 50, the positioning hole 222 and the boss 532 are arranged relative to each other, so that the positioning hole 222 can be sleeved on the boss 532 to assist in positioning, and the third mounting hole 531 is arranged relative to the third connection hole 221 on the mounting portion 22, and the second housing 20 can be fixedly connected to the base 50 through fasteners.

[0049] In some embodiments, Figure 3 and Figure 6 As shown, the driver gearbox of the clamping device further includes a positioning column 13, which is protruding from the bottom surface of the first shell 10 and / or the bottom surface of the second shell 20. The positioning column 13 is adapted to the groove 511 on the base 50 to position the first shell 10 and the second shell 20 on the base 50, so as to facilitate the alignment of the driver gearbox and the base 50 of the clamping device during installation, which is beneficial to subsequent fixing operations. In addition, it is also beneficial to realize automated production.

[0050] In a specific embodiment, the positioning column 13 protrudes from the bottom surface of the first shell 10 along the third direction, and a groove 511 is provided on the bottom wall 51 of the base 50. When the drive gear box of the clamping device is installed on the base 50, the positioning column 13 is embedded in the groove 511, which is beneficial to improve the connection reliability between the first shell 10 and the base 50.

[0051] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. A driver gearbox for a clamping device, characterized in that: include: The first housing comprises a first main body and a docking portion located outside the first main body, wherein the docking portion is used to connect with the motor and the base; The second housing comprises a second main body and a mounting portion located outside the second main body, wherein the mounting portion is used to be connected to the base; The first main body portion and the second main body portion are adapted to be buckled with each other to form a receiving chamber, wherein the receiving chamber is used to receive the transmission assembly, and the receiving chamber comprises a sub-chamber along a first direction and a main chamber along a second direction.

2. The drive gearbox of the clamping device according to claim 1, characterized in that: The docking portion includes a transfer sub-portion, which is protruding along a first direction on a side of the first main body portion away from the second shell body. A transfer cavity along the first direction is opened in the middle area of ​​the transfer sub-portion, and the transfer cavity is connected to the auxiliary chamber for accommodating the output shaft of the motor.

3. The drive gearbox of the clamping device according to claim 2, characterized in that: The docking portion further includes two fixed sub-parts, which are connected to opposite sides of the adapter sub-part. Each of the fixed sub-parts is provided with a first connecting hole and a second connecting hole at intervals. The first connecting hole is used to connect to the motor so that the motor is fixed to the first shell, and the second connecting hole is used to connect to the base so that the first shell is fixed to the base.

4. The drive gearbox of the clamping device according to claim 2, characterized in that: The docking portion further includes a resting sub-portion, which is connected to the opposite sides of the adapter sub-portion. A resting surface is formed on the side of the resting sub-portion facing away from the first main body portion. When the motor is installed in the first shell, the end face of the motor is suitable for resting against the resting surface to position the motor in the axial direction.

5. The drive gearbox of the clamping device according to claim 4, characterized in that: The abutting sub-portion further has a first weight reducing groove and a second weight reducing groove, the first weight reducing groove is located in the middle area of ​​the abutting sub-portion, the first weight reducing groove extends along the first direction, and is spaced apart from the transition cavity; the second weight reducing groove is located on the outer peripheral side of the abutting sub-portion, the second weight reducing groove extends along the first direction, and is spaced apart from the first weight reducing groove along the radial direction of the transition cavity.

6. The driver gearbox of the clamping device according to claim 2, characterized in that: The docking portion further has a limiting groove, which is opened on the outer peripheral side of the adapter sub-portion. When the motor is installed in the first shell, the protrusion of the motor is suitable for being accommodated in the limiting groove to position the motor in the radial direction.

7. The driver gearbox of the clamping device according to claim 1, characterized in that: The mounting portion includes a third connecting hole and a positioning hole which are arranged at intervals. The third connecting hole is used to connect with the base so that the second shell is fixed to the base. The positioning hole is adapted to the convex column on the base so that the second shell is positioned on the base.

8. The driver gearbox of the clamping device according to claim 1, characterized in that: It further comprises a positioning column, which is protruding from the bottom surface of the first shell and / or the bottom surface of the second shell, and is matched with a groove on the base to position the first shell and the second shell on the base.

9. The drive gearbox of the clamping device according to any one of claims 1 to 8, characterized in that: The transmission assembly includes a worm and a worm wheel that mesh with each other. The worm is rotatably accommodated in the auxiliary chamber and is connected to the output shaft of the motor. The worm wheel is rotatably accommodated in the main chamber. The transmission assembly further includes a screw rod. The screw rod and the worm wheel mesh with each other and can rotate under the drive of the worm wheel.

10. The drive gearbox of the clamping device according to claim 9, characterized in that: The screw rod has a matching portion, a first threaded portion, and a second threaded portion in sequence along its axial direction. The matching portion is suitable for engaging with the worm wheel so that the screw rod rotates under the drive of the worm wheel. The first threaded portion and the second threaded portion are suitable for engaging with the clamping members respectively. The first threaded portion and the second threaded portion have opposite rotation directions and are used to drive the two clamping members to move relative to or away from each other.

Images