CN112658747B - Clamp for machining dynamic balance weight mechanism - Google Patents
Clamp for machining dynamic balance weight mechanism Download PDFInfo
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- CN112658747B CN112658747B CN202110302944.4A CN202110302944A CN112658747B CN 112658747 B CN112658747 B CN 112658747B CN 202110302944 A CN202110302944 A CN 202110302944A CN 112658747 B CN112658747 B CN 112658747B
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- balance weight
- dynamic balance
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Abstract
The invention relates to a tool fixture, in particular to a fixture for processing a dynamic balance weight mechanism, which comprises a mounting body and two adjustable arm groups, wherein the two adjustable arm groups can be matched with each other to clamp the dynamic balance weight mechanisms with different sizes; one end of the telescopic arm in the two groups of adjustable arm groups, which is far away from the mounting body, is provided with a constraint component for constraining the dynamic balance weight mechanism; the mounting body is provided with an angle adjusting structure which symmetrically drives the two groups of adjustable arm groups to open and close; the radius adjusting mechanism is utilized to drive the two groups of telescopic arms to respectively stretch along the length directions of the two movable arms, so that the dynamic balance weight mechanisms with different sizes can be adapted; the two groups of adjustable arm groups are driven to open by the angle adjusting structure so as to clamp and release the dynamic balance weight mechanism; the dynamic balance weight mechanism clamped between the two telescopic arms can be kept stable by enveloping the outer edge of the dynamic balance weight mechanism by the binding component.
Description
Technical Field
The invention relates to a tool clamp, in particular to a clamp for machining a dynamic balance weight mechanism.
Background
Regardless of whether the driving mode of the car is front drive or rear drive, in the driving process, besides forward potential energy, self rotation potential energy exists, and in addition, due to expansion and contraction of the wheels and uneven road surfaces, loads of four wheels are different, deformation forces borne by the wheel hubs are different, and therefore each tire is urgently needed to be subjected to counterweight balance.
The wheel is in the process of rotating, and the unusual shake of very easy emergence, especially is at high-speed driving's in-process, along with accelerating at every turn or hard braking, and under the effect of various power, the shake just more obviously, so in order to guarantee the stability of wheel, reaches the balanced purpose of every tire, and the dynamic balance counter weight mechanism is indispensable.
Although the wheels are all round, due to different detailed planning and construction, it is difficult to ensure that a positive round shape is reached when the vehicle travels, and any remaining part affects the dynamic balance of the vehicle, so that the sector-shaped dynamic balance weight mechanism on the tire is an important part for ensuring the traveling stability and the dynamic balance of the vehicle.
Because most of the dynamic balance weight mechanisms are of a fan-ring type, the dynamic balance weight mechanisms are clamped on two side edges of the fan ring when being processed, the size of a rim is not fixed, the same-radius clamps are required to be used when the clamps are required to be completely attached to the two side edges of the fan ring, and the universality is not high.
Disclosure of Invention
The invention aims to provide a clamp for machining a dynamic balance weight mechanism, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a clamp for processing a dynamic balance weight mechanism comprises a mounting body connected with a machine tool workbench and two groups of adjustable arm groups which can be matched with each other to clamp the dynamic balance weight mechanisms with different sizes;
the adjustable arm group comprises a movable arm with one end rotatably connected with the mounting body and a telescopic arm capable of sliding and stretching along the length direction of the movable arm, and a sliding groove in sliding embedding with the telescopic arm is formed in the movable arm;
the movable arms in the two groups of adjustable arms are mutually rotatably connected, the rotating connection centers of the movable arms and the adjustable arms are overlapped with the rotating connection center of the mounting body, and one end, far away from the mounting body, of the telescopic arms in the two groups of adjustable arms is provided with a binding assembly for binding a dynamic balance weight mechanism;
the adjustable arm set is provided with a radius adjusting mechanism for adjusting the length of the adjustable arm set, and the mounting body is provided with an angle adjusting structure for symmetrically driving the adjustable arm set to open and close.
As a further scheme of the invention: the radius adjusting mechanism comprises a group of synchronizing rod groups for connecting the two telescopic arms and a unidirectional driving assembly for driving one group of adjustable arm groups;
the one-way driving assembly comprises a meshing structure and a positioning structure, the meshing structure is used for connecting the telescopic arm and the movable arm in the adjustable arm set, the positioning structure is used for locking the meshing structure, and the positioning structure locks the meshing structure when the telescopic arm slides out of the movable arm.
As a still further scheme of the invention: the meshing structure comprises a spur rack fixed on the surface of a telescopic arm in one group of adjustable arm groups and a gear which is rotatably arranged on a movable arm matched with the telescopic arm and is meshed with the spur rack;
the positioning structure is connected with the gear, and a crank for driving the gear to rotate anticlockwise is coaxially fixed in the center of one side of the gear.
As a still further scheme of the invention: the positioning structure comprises a ratchet wheel coaxially fixed with the gear, a frame body fixed on the movable arm and a pawl arranged on the frame body in a swinging mode and matched with the ratchet wheel; the pawl and the frame body are elastically connected through a second torsion spring.
As a still further scheme of the invention: the synchronous rod group comprises two connecting rods with the same length, one ends of the two connecting rods are hinged with each other, and the other ends of the two connecting rods are respectively in rotating connection with telescopic arms in the two groups of adjustable arm groups;
and a graduated scale for measuring the length of the telescopic arm extending out of the movable arm is fixed on one telescopic arm.
As a still further scheme of the invention: the binding assembly comprises pulleys rotatably mounted at one ends of the two telescopic arms far away from the mounting body, a winding structure mounted on one telescopic arm, and a steel cable connecting the winding structure and the other telescopic arm;
the pulley is installed on one side of the telescopic arm, which deviates from the dynamic balance weight mechanism.
As a still further scheme of the invention: the winding structure comprises a winding disc rotatably mounted on one telescopic arm, one side of the steel cable is wound on the other side of the winding disc, is in rolling fit with the two pulleys and is fixed with the other telescopic arm;
the winding disc and the worm wheel are coaxially fixed, a worm meshed with the worm wheel is rotatably installed on the telescopic arm, and a tightening knob used for driving the worm to rotate is fixed at one end of the worm.
As a still further scheme of the invention: the angle adjusting structure comprises a bidirectional screw rod horizontally and rotatably arranged on the mounting body, screw cylinders symmetrically arranged on two sides of the bidirectional screw rod and in threaded connection with the bidirectional screw rod, and a support rod connecting the screw cylinders and the movable arm;
one end of the supporting rod is rotatably connected with the outer surface of the movable arm, the other end of the supporting rod is rotatably connected with the screw cylinder, and one end of the bidirectional screw rod is fixedly provided with an opening and closing wheel for driving the bidirectional screw rod to rotate.
As a still further scheme of the invention: the elastic abutting structures are arranged on the opposite sides of the two telescopic arms at the same height and comprise abutting blocks which are rotatably arranged on the telescopic arms and a first torsion spring which is elastically connected with the abutting blocks and the telescopic arms.
Compared with the prior art, the invention has the beneficial effects that: the radius adjusting mechanism is utilized to drive the two groups of telescopic arms to respectively stretch along the length directions of the two movable arms, so that the length of one end, away from the mounting body, of the two telescopic arms from the rotating center of the movable arms is matched with the arc radius of the dynamic balance weight mechanism, and the dynamic balance weight mechanisms with different sizes can be matched;
the angle adjusting structure is used for simultaneously driving the two groups of adjustable arms to be opened so as to place the dynamic balance weight mechanism to be processed between the ends of the two groups of telescopic arms far away from the installation body, and the reverse driving angle adjusting structure can clamp the dynamic balance weight mechanism between the ends of the two telescopic arms far away from the installation body;
the dynamic balance weight mechanism clamped between the two telescopic arms can not slide out of the two telescopic arms under the action of clamping force by enveloping the outer edge of the dynamic balance weight mechanism by the binding assembly.
Drawings
Fig. 1 is a schematic structural view of a dynamic balance weight mechanism machining jig.
Fig. 2 is a schematic structural diagram of a movable arm, a frame body and a chute in the clamp for processing the dynamic balance weight mechanism.
Fig. 3 is a partially enlarged view of the elastic contact structure and the winding structure in the jig for machining a dynamic balance weight mechanism.
Fig. 4 is a partially enlarged schematic view of a portion a of fig. 1.
In the figure: 1-an installation body; 2-a movable arm; 3-a telescopic arm; 4-a connecting rod; 5-dynamic balance weight mechanism; 6-a butt-joint block; 7-torsion spring I; 8-a pulley; 9-a steel cord; 10-coiling; 11-a worm gear; 12-a worm; 13-tightening the knob; 14-a bidirectional screw rod; 15-opening and closing wheel; 16-a screw cylinder; 17-a strut; 18-spur rack; 19-a gear; 20-ratchet wheel; 21-a pawl; 22-a frame body; 23-torsion spring II; 24-a graduated scale; 25-chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in the embodiment of the present invention, a clamp for processing a dynamic balance weight mechanism includes an installation body 1 for connecting with a machine tool workbench, and two adjustable arm sets capable of mutually matching and clamping dynamic balance weight mechanisms 5 with different sizes;
in detail, the adjustable arm group comprises a movable arm 2 with one end rotatably connected with the mounting body 1 and a telescopic arm 3 capable of sliding and stretching along the length direction of the movable arm 2, and a sliding groove 25 which is in sliding embedded with the telescopic arm 3 is arranged on the movable arm 2;
specifically, the movable arms 2 in the two groups of adjustable arm groups are mutually rotatably connected, the rotating connection centers of the movable arms and the adjustable arm groups are overlapped with the rotating connection center of the mounting body 1, and one ends, far away from the mounting body 1, of the telescopic arms 3 in the two groups of adjustable arm groups are provided with restraining components for restraining a dynamic balance weight mechanism;
in addition, one of them is provided with on one of them group of adjustable armset and is used for adjusting two sets of radius adjustment mechanism of adjustable armset length install on the installation body 1 the angle modulation structure of symmetry drive two sets of adjustable armset open and shut.
In the embodiment of the invention, the radius adjusting mechanism is utilized to drive the two groups of telescopic arms 3 to respectively extend and retract along the length direction of the two movable arms 2, so that the length of one end of each telescopic arm 3, which is far away from the installation body 1, from the rotating center of the movable arm 2 is matched with the arc radius of the dynamic balance weight mechanism 5, and the dynamic balance weight mechanisms with different sizes can be matched;
the angle adjusting structure is used for simultaneously driving the two groups of adjustable arms to be opened so as to place the dynamic balance weight mechanism to be processed between the ends, far away from the installation body 1, of the two groups of telescopic arms 3, and the reverse driving angle adjusting structure can clamp the dynamic balance weight mechanism 5 between the ends, far away from the installation body 1, of the two telescopic arms 3;
the dynamic balance weight mechanism 5 clamped between the two telescopic arms 3 can be kept from sliding out of the two telescopic arms 3 under the action of clamping force by enveloping the outer edge of the dynamic balance weight mechanism by the binding component.
As an embodiment of the present invention, the radius adjusting mechanism comprises a group of synchronizing rods connecting two telescopic arms 3 and a unidirectional driving assembly for driving one group of the adjustable arm groups;
the unidirectional driving assembly comprises a meshing structure for connecting the telescopic arm 3 and the movable arm 2 in the adjustable arm group and a positioning structure for locking the meshing structure, and the positioning structure locks the meshing structure when the telescopic arm 3 slides out of the movable arm 2.
In the embodiment of the invention, the telescopic arm 3 is driven to slide out of the movable arm 2 by using a meshing structure, and the telescopic arm 3 in the other adjustable arm group is driven to slide out of the movable arm 2 under the action of the synchronous rod group, so that the lengths of the two adjustable arm groups are kept the same.
As an embodiment of the present invention, the meshing structure includes a spur rack 18 fixed on the surface of the telescopic arm 3 in one of the adjustable arm sets and a gear 19 rotatably mounted on the movable arm 2 engaged with the telescopic arm 3 and engaged with the spur rack 18;
the positioning structure is connected with the gear 19, and a crank for driving the gear 19 to rotate anticlockwise is coaxially fixed at the center of one side of the gear 19.
In the embodiment of the invention, the crank handle is shaken to drive the gear 19 to rotate anticlockwise, the anticlockwise rotating gear 19 drives the spur rack 18 to move upwards, the upwards moving spur rack 18 drives the telescopic arm 3 fixed with the crank handle to extend out along the movable arm 2, and after the crank handle is stopped to rotate, the positioning mechanism is utilized to keep the relative position of the telescopic arm 3 and the movable arm 2 still, so that the telescopic arm 3 is prevented from sliding into the movable arm 2 under the action of gravity.
As an embodiment of the present invention, the positioning structure includes a ratchet 20 coaxially fixed with the gear 19, a frame 22 fixed on the movable arm 2, and a pawl 21 arranged on the frame 22 in a swinging manner and engaged with the ratchet 20; the pawl 21 and the frame body 22 are elastically connected through a second torsion spring 23.
In the embodiment of the invention, when the crank drives the gear 19 to rotate, the ratchet wheel 20 is driven to rotate synchronously, the ratchet wheel 20 rotating anticlockwise can overcome the elastic force between the pawl 21 and the second torsion spring 23 so as to enable the pawl 21 to give way, but when the crank stops being shaken, the ratchet wheel 20 and the gear 19 cannot rotate reversely, so that the telescopic arm 3 cannot be retracted into the movable arm 2 under the action of gravity again.
As an embodiment of the present invention, the synchronizing rod group includes two connecting rods 4 with the same length, one ends of the two connecting rods 4 are hinged to each other, and the other ends of the two connecting rods 4 are respectively rotatably connected to the telescopic arms 3 in the two groups of adjustable arm groups;
a scale 24 for measuring the length of the telescopic arm extending from the movable arm 2 is fixed on one of the telescopic arms 3.
In the embodiment of the invention, because the two connecting rods 4 with the same length are hinged with each other, and the other ends of the two connecting rods are respectively and rotatably connected with the two telescopic arms 3, when one telescopic arm 3 is telescopic, the other telescopic arm 3 is inevitably driven to be synchronously telescopic, and the purpose of utilizing the two connecting rods 4 is to ensure that the synchronous telescopic action can be still realized even if the included angle between the two telescopic arms 3 is changed.
As an embodiment of the present invention, the binding assembly includes a pulley 8 rotatably mounted at one end of the two telescopic arms 3 far from the mounting body 1, a winding structure mounted on one of the telescopic arms 3, and a cable 9 connecting the winding structure and the other telescopic arm 3;
the pulley 8 is installed on one side of the telescopic arm 3 departing from the dynamic balance weight mechanism 5.
In the embodiment of the invention, the steel cable 9 is wound through the winding structure, so that one section of the steel cable 9, which is positioned between the two telescopic arms 3, is in a tight state and is attached to the dynamic balance weight mechanism 5, and the steel cable is prevented from sliding out from between the two telescopic arms 3 when the dynamic balance weight mechanism is processed.
As an embodiment of the present invention, the winding structure includes a winding disc 10 rotatably mounted on one of the telescopic arms 3, one side of the steel cable 9 is wound on the other side of the winding disc 10 to roll and attach to two pulleys 8 and is fixed with the other telescopic arm 3;
the winding disc 10 is coaxially fixed with a worm wheel 11, a worm 12 meshed with the worm wheel 11 is rotatably mounted on the telescopic arm 3, and a tightening knob 13 used for driving the worm 12 to rotate is fixed at one end of the worm 12.
In the embodiment of the invention, after the angle adjusting structure drives the two adjustable arm sets to approach each other to clamp the dynamic balance weight mechanism 5, the tightening knob 13 is used for driving the worm 12 to rotate, and the worm 12 rotates to drive the worm wheel 11 and the winding disc 10 to rotate, so that the steel cable 9 is tightened and attached to the dynamic balance weight mechanism 5.
As an embodiment of the present invention, the angle adjusting structure includes a bidirectional screw 14 horizontally rotatably disposed on the mounting body 1, screw cylinders 16 symmetrically disposed on both sides of the bidirectional screw 14 and in threaded connection therewith, and a support rod 17 connecting the screw cylinders 16 and the movable arm 2;
one end of the support rod 17 is rotatably connected with the outer surface of the movable arm 2, the other end of the support rod is rotatably connected with the screw cylinder 16, and an opening and closing wheel 15 for driving the bidirectional screw rod 14 to rotate is fixed at one end of the bidirectional screw rod 14.
In the embodiment of the invention, the opening and closing wheel 15 is rotated to drive the screw cylinders 16 at two sides to separate or approach each other, so that the support rod 17 is utilized to drive the movable arms 2 at two sides to open and close synchronously, and the clamping and fixing of the dynamic balance weight mechanism are realized.
As an embodiment of the present invention, an elastic abutting structure is disposed on the opposite sides of the two telescopic arms 3 at equal height, and the elastic abutting structure includes an abutting block 6 rotatably disposed on the telescopic arms 3 and a first torsion spring 7 elastically connecting the abutting block 6 and the telescopic arms 3.
In the embodiment of the invention, the steel cable 9 is driven to be tightened when the winding disc 10 rotates, the steel cable 9 is tightened to extrude the dynamic balance weight mechanism 5 to slide towards one side close to the installation body 1, and when the abutting block 6 is met, the dynamic balance weight mechanism 5 is stably clamped between the abutting block 6 and the steel cable 9 by compressing the torsion spring 7, so that the dynamic balance weight mechanism is fixed in four directions simultaneously.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The clamp for machining the dynamic balance weight mechanism is characterized by comprising an installation body (1) connected with a machine tool workbench and two adjustable arm groups which can be matched with each other to clamp dynamic balance weight mechanisms (5) with different sizes;
the adjustable arm group comprises a movable arm (2) with one end rotatably connected with the mounting body (1) and a telescopic arm (3) capable of sliding and stretching along the length direction of the movable arm (2), and a sliding groove (25) which is in sliding embedded with the telescopic arm (3) is formed in the movable arm (2);
the movable arms (2) in the two groups of adjustable arm groups are mutually rotatably connected, the rotating connection centers of the movable arms and the adjustable arm groups are overlapped with the rotating connection center of the mounting body (1), and one end of the telescopic arm (3) in the two groups of adjustable arm groups, which is far away from the mounting body (1), is provided with a binding component for binding a dynamic balance weight mechanism;
a radius adjusting mechanism for adjusting the lengths of the two groups of adjustable arm groups is arranged on one group of adjustable arm groups, and an angle adjusting structure for symmetrically driving the two groups of adjustable arm groups to open and close is arranged on the mounting body (1);
the binding assembly comprises a pulley (8) rotatably mounted at one end of each of the two telescopic arms (3) far away from the mounting body (1), a winding structure mounted on one of the telescopic arms (3), and a steel cable (9) connecting the winding structure and the other telescopic arm (3);
the pulley (8) is arranged on one side of the telescopic arm (3) deviating from the dynamic balance weight mechanism (5);
the winding structure comprises a winding disc (10) rotatably mounted on one telescopic arm (3), one side of the steel cable (9) is wound on the other side of the winding disc (10) and is in rolling fit with two pulleys (8) and fixed with the other telescopic arm (3);
the winding disc (10) and the worm wheel (11) are coaxially fixed, a worm (12) meshed with the worm wheel (11) is rotatably installed on the telescopic arm (3), and a tightening knob (13) used for driving the worm (12) to rotate is fixed at one end of the worm (12).
2. The clamp for machining the dynamic balance weight mechanism according to claim 1, wherein the radius adjusting mechanism comprises a group of synchronizing rods for connecting two telescopic arms (3) and a unidirectional driving assembly for driving one group of the adjustable arms;
the unidirectional driving assembly comprises a meshing structure and a positioning structure, wherein the meshing structure is used for connecting a telescopic arm (3) and a movable arm (2) in the adjustable arm set, the positioning structure is used for locking the meshing structure, and the positioning structure locks the meshing structure when the telescopic arm (3) slides out of the movable arm (2).
3. A clamp for processing a dynamic balance weight mechanism according to claim 2, wherein the meshing structure comprises a spur rack (18) fixed on the surface of the telescopic arm (3) in one of the adjustable arm sets and a gear (19) rotatably mounted on the movable arm (2) matched with the telescopic arm (3) and meshed with the spur rack (18);
the positioning structure is connected with the gear (19), and a crank for driving the gear (19) to rotate anticlockwise is coaxially fixed at the center of one side of the gear (19).
4. The clamp for machining the dynamic balance weight mechanism according to claim 3, wherein the positioning structure comprises a ratchet wheel (20) coaxially fixed with the gear (19), a frame body (22) fixed on the movable arm (2), and a pawl (21) arranged on the frame body (22) in a swinging mode and matched with the ratchet wheel (20); the pawl (21) and the frame body (22) are elastically connected through a second torsion spring (23).
5. The clamp for machining the dynamic balance weight mechanism according to claim 2, wherein the synchronizing rod group comprises two connecting rods (4) with the same length, one ends of the two connecting rods (4) are hinged with each other, and the other ends of the two connecting rods (4) are respectively and rotatably connected with the telescopic arms (3) in the two groups of adjustable arm groups;
a graduated scale (24) for measuring the length of the telescopic arm (3) extending out of the movable arm (2) is fixed on one telescopic arm.
6. The clamp for processing the dynamic balance weight mechanism according to any one of claims 1 to 5, wherein the angle adjusting structure comprises a bidirectional screw rod (14) horizontally and rotatably arranged on the mounting body (1), screw cylinders (16) symmetrically arranged at two sides of the bidirectional screw rod (14) and in threaded connection with the bidirectional screw rod, and a support rod (17) connecting the screw cylinders (16) and the movable arm (2);
one end of the support rod (17) is rotatably connected with the outer surface of the movable arm (2), the other end of the support rod is rotatably connected with the screw cylinder (16), and one end of the bidirectional screw rod (14) is fixedly provided with an opening and closing wheel (15) for driving the bidirectional screw rod (14) to rotate.
7. A clamp for processing a dynamic balance weight mechanism according to any one of claims 1 to 5, wherein an elastic abutting structure is arranged at the same height on the opposite side of the two telescopic arms (3), and the elastic abutting structure comprises an abutting block (6) rotatably arranged on the telescopic arms (3) and a first torsion spring (7) elastically connecting the abutting block (6) and the telescopic arms (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110302944.4A CN112658747B (en) | 2021-03-22 | 2021-03-22 | Clamp for machining dynamic balance weight mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110302944.4A CN112658747B (en) | 2021-03-22 | 2021-03-22 | Clamp for machining dynamic balance weight mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112658747A CN112658747A (en) | 2021-04-16 |
| CN112658747B true CN112658747B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110302944.4A Expired - Fee Related CN112658747B (en) | 2021-03-22 | 2021-03-22 | Clamp for machining dynamic balance weight mechanism |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205766214U (en) * | 2016-05-17 | 2016-12-07 | 南安中辰环保技术服务有限公司 | A kind of Pneumatic clamping jaw device |
| CN211072657U (en) * | 2019-08-22 | 2020-07-24 | 中国长江动力集团有限公司 | Steam turbine fork type blade hoop-beating tool |
| CN211517513U (en) * | 2019-11-21 | 2020-09-18 | 大连富华运腾重工有限公司 | Clamping mechanism of manipulator for production and processing |
| CN212020040U (en) * | 2020-01-06 | 2020-11-27 | 肇庆市高要区银镱五金制品有限公司 | Convenient-to-use clamping tool for numerical control machine tool |
| CN112247166A (en) * | 2020-10-12 | 2021-01-22 | 吉林大学 | Clamping device for machining electric spindle based on reliability and safety consideration |
| CN112453949A (en) * | 2020-11-10 | 2021-03-09 | 湖南宝特瑞能新能源有限责任公司 | Fixing device is used in lithium cell accessory production and processing |
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