CN212736062U - Improved structure of clamping jaw - Google Patents
Improved structure of clamping jaw Download PDFInfo
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- CN212736062U CN212736062U CN202021527813.3U CN202021527813U CN212736062U CN 212736062 U CN212736062 U CN 212736062U CN 202021527813 U CN202021527813 U CN 202021527813U CN 212736062 U CN212736062 U CN 212736062U
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- cover body
- worm
- worm wheel
- lid
- clamping jaw
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Abstract
The utility model relates to an improved structure of a clamping jaw, which comprises an upper cover, a casing, a motor, a left clamping jaw, a right clamping jaw, a left worm wheel, a right worm wheel and a worm, wherein the motor is arranged in the casing, the upper cover is arranged on the casing, a rotating shaft of the motor passes through the casing and extends into an inner cavity of the upper cover, the worm is connected with the rotating shaft and rotates synchronously along with the rotating shaft, the upper cover comprises a left cover body, a middle cover body and a right cover body, the middle cover body is arranged on the casing, the worm extends into the inner cavity of the middle cover body, the left worm wheel is arranged in the inner cavity of the left cover body in a rotating way, the left cover body is arranged on the casing and locked at the left side of the middle cover body, the left worm wheel is meshed with the worm and keeps in a tensioning state, the right worm wheel is arranged in the inner cavity of the right cover body in a rotating way, the right cover body is arranged on the, the right clamping jaw is connected with the right worm wheel and rotates along with the right worm wheel, and therefore the practicability of the clamping jaw is improved.
Description
Technical Field
The utility model relates to an improvement structure of clamping jaw.
Background
The clamping jaw is a tool for clamping articles or releasing articles, the clamp in the production field at present comprises a motor and a clamp, the clamp is connected with the motor, the motor acts to drive the clamp to clamp the articles or release the articles, and the operation is simple.
The existing clamping jaw is driven by a worm gear mechanism, the clamping jaw is connected with a worm wheel, the worm is connected with a motor, the worm is meshed with the worm wheel, the motor drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the clamping jaws to mutually approach or separate, so that the function of clamping or releasing articles is realized.
However, in the existing clamping jaw, the worm wheel and the worm are loosened, so that a gap is formed at the meshing part of the worm wheel and the worm, and in the rotating process of the worm by driving the worm wheel, the clamping jaw is loosened due to the gap at the meshing part of the worm wheel and the worm, so that articles are clamped by the clamping jaw and are easy to loosen, and the practicability of the clamping jaw is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a worm wheel and worm keep the tensioning state, the improvement structure of a clamping jaw that the clamping jaw can not become flexible.
The purpose of the utility model is realized like this:
an improved structure of a clamping jaw comprises an upper cover, a casing, a motor, a left clamping jaw, a right clamping jaw, a left worm wheel, a right worm wheel and a worm, wherein the motor is arranged in the casing, the upper cover is arranged on the casing, a rotating shaft of the motor penetrates through the casing and extends into an inner cavity of the upper cover, the worm is connected with the rotating shaft and synchronously rotates along with the rotating shaft, the upper cover comprises a left cover body, a middle cover body and a right cover body, the middle cover body is arranged on the casing, the worm extends into the inner cavity of the middle cover body, the left worm wheel is arranged on the casing in a rotating mode, the left cover body is arranged on the casing and locked on the left side of the middle cover body, the left worm wheel and the worm are meshed and kept in a tensioning state, the right worm wheel is arranged on the inner cavity of the right cover body in a rotating mode, the right cover body is arranged on the casing and locked on the right side of the middle cover body, the right clamping jaw is connected with the right worm wheel and rotates along with the right worm wheel.
Fall into left lid, well lid and right lid with last lid, make the upper cover installation easier, left lid is installed on the casing and is locked in the left side of well lid moreover, makes left worm wheel and worm meshing and keep the tensioning state, avoids left clamping jaw not hard up, right side lid is installed on the casing and is locked in the right side of well lid, makes right worm wheel and worm meshing and keep the tensioning state, avoids right clamping jaw not hard up, improves the clamp of clamping jaw greatly and gets the ability, improves the practicality of clamping jaw greatly.
The purpose of the utility model can also adopt the following technical measures to solve:
as a more specific scheme, a gasket for reducing the gap between the worm wheel and the worm is arranged between the left cover body and the middle cover body, a gasket for reducing the gap between the worm wheel and the worm is arranged between the right cover body and the middle cover body, and the thickness of the gasket is adjusted according to the gap between the worm wheel and the worm. Because the sizes of the worm wheel and the worm may have differences, the clamping jaw device can reduce the gap between the worm wheel and the worm by increasing or reducing the thickness of the gasket according to the sizes of the worm wheel and the worm, so that the worm wheel and the worm are kept in a close-fitting state, the clamping jaw device is suitable for the combination of the worm wheel and the worm with different sizes, and the applicability of the clamping jaw assembly is greatly improved.
More specifically, the shim is adjusted in thickness by stacking. The thickness of the gasket is adjusted by increasing or decreasing the quantity of the gasket, the operation mode is simple, and the thickness of the gasket is easy to adjust.
As a more specific scheme, the motor cover further comprises a middle positioning pin, wherein a first middle positioning hole is formed in the upper end face of the machine shell, a second middle positioning hole is formed in the middle cover body, one end of the middle positioning pin is inserted into the first middle positioning hole, the other end of the middle positioning pin is inserted into the second middle positioning hole, and the middle cover body is installed on the machine shell in a positioning mode. Through being provided with the middle part locating pin, the lid location is installed on the casing in the middle part locating pin will be well, avoids well lid offset, improves the accuracy of installation greatly.
As a more specific scheme, the positioning device further comprises a left side positioning pin, wherein a first left side positioning hole is formed in the left cover body, a second left side positioning hole is formed in the left side of the middle cover body, one end of the left side positioning pin is inserted into the first left side positioning hole, the other end of the left side positioning pin is inserted into the second left side positioning hole, and the left cover body is positioned and installed on the left side of the middle cover body. Through being provided with left side locating pin, left side locating pin installs left lid location and aligns well lid on the casing, avoids left lid offset, improves the accuracy of installation greatly.
As a more specific scheme, the positioning device further comprises a right side positioning pin, wherein a first right side positioning hole is formed in the right cover body, a second right side positioning hole is formed in the right side of the middle cover body, one end of the right side positioning pin is inserted into the first right side positioning hole, the other end of the right side positioning pin is inserted into the second right side positioning hole, and the right cover body is positioned and installed on the right side of the middle cover body. Through being provided with the right side locating pin, the lid in aligning is installed right lid location on the casing to the right side locating pin, avoids right lid offset, improves the accuracy of installation greatly.
As a more specific scheme, the portable electronic device further comprises a first locking screw and a second locking screw, wherein the first locking screw penetrates through the left cover body and is locked on the casing to realize that the left cover body is locked on the casing, and the second locking screw penetrates through the left cover body and is locked on the middle cover body to realize that the left cover body is locked on the left side of the middle cover body. The tightness of the left worm wheel and the tension of the worm are controlled by adjusting the tightness of the second locking screw, so that the meshing part of the left worm wheel and the worm is prevented from generating a gap, the left clamping jaw is prevented from loosening, and the practicability of the clamping jaw is greatly improved.
As a more specific scheme, the locking device further comprises a third locking screw and a fourth locking screw, the third locking screw penetrates through the right cover body and is locked on the machine shell, so that the right cover body is locked on the machine shell, and the fourth locking screw penetrates through the right cover body and is locked on the middle cover body, so that the right cover body is locked on the right side of the middle cover body. The tightness of the fourth locking screw is adjusted to control the tension degree of the right worm wheel and the worm, so that the meshing position of the right worm wheel and the worm is prevented from being in clearance, the right clamping jaw is prevented from loosening, and the practicability of the clamping jaw is greatly improved.
More specifically, the worm gear further comprises an upper bearing and a lower bearing, wherein the upper bearing is arranged at the upper end of the worm, and the lower bearing is arranged at the lower end of the worm. When the left clamping jaw and the right clamping jaw clamp and take articles, the gravity of the articles forms axial force through the left worm wheel and the right worm wheel and is transmitted to the worm, the upper bearing and the lower bearing share the axial stress of the worm at the moment, the axial force is prevented from being directly and completely added to the bearing of the motor, and the service life of the motor is greatly prolonged.
As more specific scheme, still include first pivot and second pivot, first pivot sets up at left lid inner chamber, and left worm wheel is passed in first pivot, and first pivot is followed left worm wheel and is rotated, and left lid outer joint left clamping jaw is stretched out respectively at the both ends of first pivot, the second pivot sets up at right lid inner chamber, and right worm wheel is passed in the second pivot, and right worm wheel is followed in the second pivot and is rotated, and right lid outer joint right clamping jaw is stretched out respectively at the both ends of second pivot.
The bearing cover is locked on the shell to close the bearing port. Through being provided with the bearing mouth, be convenient for the user to change the practicality that the upper bearing improved anchor clamps.
The utility model has the advantages as follows:
the utility model discloses, go up lid and fall into left lid, well lid and right lid, it is easier to make the upper cover installation, and left lid is installed on the casing and is locked in the left side of well lid moreover, makes left worm wheel and worm meshing and keep the tensioning state, avoids left clamping jaw not hard up, right side lid is installed on the casing and is locked in the right side of well lid, makes right worm wheel and worm meshing and keep the tensioning state, avoids right clamping jaw not hard up, improves the clamp of clamping jaw greatly and gets the ability, improves the practicality of clamping jaw greatly.
Drawings
Fig. 1 is a perspective view of a modified structure of the jaws (left and right jaws open state).
Fig. 2 is a perspective view of a modified structure of the clamping jaws (the left clamping jaw and the right clamping jaw are in a furled state).
Figure 3 is a top view of a modified construction of the jaws.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a sectional view B-B of fig. 3.
Fig. 6 is an enlarged view of a portion D of fig. 5.
Fig. 7 is a cross-sectional view C-C of fig. 3.
Figure 8 is an exploded view of a modified construction of the jaws.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
embodiment, as shown in fig. 1 to 8, an improved structure of a clamping jaw includes an upper cover 1, a casing 2, a motor 3, a left clamping jaw 4, a right clamping jaw 5, a left worm wheel 6, a right worm wheel 7, a worm 8, a middle positioning pin 100, a left positioning pin 200, a right positioning pin 300, a first locking screw 400, a second locking screw 500, a third locking screw 600, a fourth locking screw 700, an upper bearing 9, a lower bearing 10, a first rotating shaft 800, a second rotating shaft 900, and a gasket 20.
The motor 3 is arranged in the machine shell 2, the upper cover 1 is arranged on the machine shell 2, and a rotating shaft 31 of the motor 3 penetrates through the machine shell 2 and extends into an inner cavity of the upper cover 1.
The upper cover 1 comprises a left cover body 11, a middle cover body 12 and a right cover body 13, a first middle positioning hole 21 is formed in the upper end face of the machine shell 2, a second middle positioning hole 121 is formed in the middle cover body 12, one end of a middle positioning pin 100 is inserted into the first middle positioning hole 21, the other end of the middle positioning pin 100 is inserted into the second middle positioning hole 121, the middle cover body 12 is positioned and installed on the machine shell 2, the worm 8 extends into the inner cavity of the middle cover body 12, the worm 8 is connected with the rotating shaft 31 and rotates synchronously along with the rotating shaft 31, the upper bearing 9 is arranged at the upper end of the worm 8, and the lower bearing 10 is arranged at the lower end of the worm.
The left cover 11 is provided with a first left positioning hole 111, the left side of the middle cover 12 is provided with a second left positioning hole 122, one end of the left positioning pin 200 is inserted into the first left positioning hole 111, the other end of the left positioning pin 200 is inserted into the second left positioning hole 122, and the left cover 11 is positioned and installed on the left side of the middle cover 12.
The first locking screw 400 penetrates through the left cover body 11 and is locked on the machine shell 2, so that the left cover body 11 is locked on the machine shell 2, the second locking screw 500 penetrates through the left cover body 11 and is locked on the middle cover body 12, and the left cover body 11 is locked on the left side of the middle cover body 12.
A gasket 20 for reducing the gap between the left worm wheel 6 and the worm 8 is arranged between the left cover body 11 and the middle cover body 12, the thickness of the gasket 20 is adjusted according to the size of the gap between the left worm wheel 6 and the worm 8, and the thickness of the gasket 20 is adjusted in a stacking mode.
The first rotating shaft 800 is arranged in the inner cavity of the left cover body 11, the first rotating shaft 800 penetrates through the left worm wheel 6, the first rotating shaft 800 rotates along with the left worm wheel 6, the left worm wheel 6 and the worm 8 are meshed and keep a tensioning state, and two ends of the first rotating shaft 800 extend out of the left cover body 11 respectively and are connected with the left clamping jaw 4.
The right cover body 13 is provided with a first right side positioning hole 131, the right side of the middle cover body 12 is provided with a second right side positioning hole 123, one end of the right side positioning pin 300 is inserted into the first right side positioning hole 131, the other end of the right side positioning pin 300 is inserted into the second right side positioning hole 123, and the right cover body 13 is positioned and installed on the right side of the middle cover body 12.
The third locking screw 600 passes through the right cover 13 and is locked on the casing 2, so that the right cover 13 is locked on the casing 2, and the fourth locking screw 700 passes through the right cover 13 and is locked on the middle cover 12, so that the right cover 13 is locked on the right side of the middle cover 12.
A gasket 20 for reducing the gap between the right worm wheel 7 and the worm 8 is arranged between the right cover body 13 and the middle cover body 12, the thickness of the gasket 20 is adjusted according to the gap between the right worm wheel 7 and the worm 8, and the thickness of the gasket 20 is adjusted in a stacking mode.
The second rotating shaft 900 is arranged in the inner cavity of the right cover body 13, the second rotating shaft 900 penetrates through the right worm wheel 7, the second rotating shaft 900 rotates along with the right worm wheel 7, the right worm wheel 7 and the worm 8 are meshed and keep a tensioning state, and two ends of the second rotating shaft 900 extend out of the right cover body 13 and are connected with the right clamping jaw 5.
Still include bearing cap 14, the position that upper cover 1 corresponds upper bearing 9 is opened there is bearing mouth 15, bearing cap 14 locks closed bearing mouth 15 on casing 2, through being provided with bearing mouth 15, the practicality that the user of being convenient for changed upper bearing 9 and improved anchor clamps.
The working principle is as follows:
the left cover body 11 is arranged on the machine shell 2 and locked at the left side of the middle cover body 12, a gasket 20 for reducing the clearance between the left worm wheel 6 and the worm 8 is arranged between the left cover body 11 and the middle cover body 12, the left worm wheel 6 and the worm 8 are meshed and kept in a tensioning state, the left clamping jaw 4 is prevented from loosening, the right cover body 13 is arranged on the machine shell 2 and locked at the right side of the middle cover body 12, and a gasket 20 for reducing the clearance between the right worm wheel 7 and the worm 8 is arranged between the right cover body 13 and the middle cover body 12, so that the right worm wheel 7 and the worm 8 are meshed and kept in a tensioning state, the loosening of the right clamping jaw 5 is avoided, when the motor 3 during operation, the motor 3 drives the worm 8 rotatory, and the worm 8 drives left worm wheel 6 and right worm wheel 7 rotatory, and left worm wheel 6 drives left clamping jaw 4 action, and right worm wheel 7 drives right clamping jaw 5 action, makes left clamping jaw 4 and right clamping jaw 5 draw close each other or alternate segregation, realizes that the clamp of left clamping jaw 4 and right clamping jaw 5 gets the function.
Moreover, when the left clamping jaw 4 and the right clamping jaw 5 clamp an article, the gravity of the article forms an axial force through the left worm wheel 6 and the right worm wheel 7 and is transmitted to the worm 8, and at the moment, the upper bearing 9 and the lower bearing 10 share the axial stress of the worm 8, so that the axial force is prevented from being directly and completely applied to the bearing of the motor 3, and the service life of the motor 3 is greatly prolonged.
Claims (10)
1. The utility model provides an improvement structure of clamping jaw, includes upper cover, casing, motor, left clamping jaw, right clamping jaw, left worm wheel, right worm wheel and worm, the motor sets up in the casing, and the upper cover setting is on the casing, and the pivot of motor passes the casing and stretches into the upper cover inner chamber, worm and pivot connection and follow pivot synchronous revolution, its characterized in that: the upper cover includes left lid, well lid and right lid, well lid is installed on the casing, and the inner chamber of lid in the worm stretches into, left side worm wheel sets up the inner chamber at left lid with the rotation mode, and left side lid is installed on the casing and is locked in the left side of well lid, and left worm wheel and worm meshing and keeping the tensioning state, right worm wheel sets up the inner chamber at right lid with the rotation mode, and right lid is installed on the casing and is locked on the right side of well lid, and right worm wheel and worm meshing and keeping the tensioning state, left clamping jaw and left worm wheel are connected and are followed left worm wheel and rotate, right clamping jaw and right worm wheel are connected and are followed right worm wheel and rotate.
2. The improvement in a jaw of claim 1, wherein: the left cover body and the middle cover body are provided with a gasket used for reducing the gap between the worm wheel and the worm, the right cover body and the middle cover body are provided with a gasket used for reducing the gap between the worm wheel and the worm, and the thickness of the gasket is adjusted according to the gap between the worm wheel and the worm.
3. The improvement in a jaw of claim 2, wherein: the shims are adjusted in thickness by stacking.
4. The improvement in a jaw of claim 1, wherein: the upper end face of the casing is provided with a first middle positioning hole, the middle cover body is provided with a second middle positioning hole, one end of the middle positioning pin is inserted into the first middle positioning hole, the other end of the middle positioning pin is inserted into the second middle positioning hole, and the middle cover body is positioned and installed on the casing.
5. The improvement in a jaw of claim 1, wherein: still include the left side locating pin, left side lid is opened there is first left side locating hole, and well lid left side is opened there is second left side locating hole, in first left side locating hole was inserted to left side locating pin one end, in the left side locating pin other end inserted second left side locating hole, left side lid location was installed on well lid left side.
6. The improvement in a jaw of claim 1, wherein: still include the right side locating pin, the right side lid is opened there is first right side locating hole, and well lid right side is opened there is second right side locating hole, in first right side locating hole was inserted to right side locating pin one end, in the right side locating pin other end inserted the second right side locating hole, right side lid location was installed on well lid right side.
7. The improvement in a jaw of claim 1, wherein: the locking mechanism comprises a left cover body and a middle cover body, and is characterized by further comprising a first locking screw and a second locking screw, wherein the first locking screw penetrates through the left cover body to be locked on the machine shell, so that the left cover body is locked on the machine shell, the second locking screw penetrates through the left cover body to be locked on the middle cover body, and the left cover body is locked on the left side of the middle cover body.
8. The improvement in a jaw of claim 1, wherein: the right cover body is locked on the machine shell through the right cover body, and the fourth locking screw penetrates through the right cover body and is locked on the middle cover body to realize the locking of the right cover body on the right side of the middle cover body.
9. The improvement in a jaw of claim 1, wherein: the worm gear mechanism further comprises an upper bearing and a lower bearing, wherein the upper bearing is arranged at the upper end of the worm, and the lower bearing is arranged at the lower end of the worm.
10. The improvement in a jaw of claim 1, wherein: still include first pivot and second pivot, first pivot sets up in left lid inner chamber, and left worm wheel is passed in first pivot, and first pivot is followed left worm wheel and is rotatory, and left lid outer joint left clamping jaw is stretched out respectively at the both ends of first pivot, the second pivot sets up in right lid inner chamber, and right worm wheel is passed in the second pivot, and right worm wheel is followed in the second pivot rotatory, and right lid outer joint right clamping jaw is stretched out respectively at the both ends of second pivot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527813.3U CN212736062U (en) | 2020-07-28 | 2020-07-28 | Improved structure of clamping jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527813.3U CN212736062U (en) | 2020-07-28 | 2020-07-28 | Improved structure of clamping jaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212736062U true CN212736062U (en) | 2021-03-19 |
Family
ID=75023830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021527813.3U Active CN212736062U (en) | 2020-07-28 | 2020-07-28 | Improved structure of clamping jaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212736062U (en) |
-
2020
- 2020-07-28 CN CN202021527813.3U patent/CN212736062U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongguancun Technology Leasing Co.,Ltd. Assignor: Foshan Zengguang Intelligent Technology Co.,Ltd. Contract record no.: X2022980017984 Denomination of utility model: Improved structure of gripper Granted publication date: 20210319 License type: Exclusive License Record date: 20221011 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Improved structure of gripper Effective date of registration: 20221012 Granted publication date: 20210319 Pledgee: Zhongguancun Technology Leasing Co.,Ltd. Pledgor: Foshan Zengguang Intelligent Technology Co.,Ltd. Registration number: Y2022980018079 |