CN109158919A - clamping device - Google Patents
clamping device Download PDFInfo
- Publication number
- CN109158919A CN109158919A CN201811333327.5A CN201811333327A CN109158919A CN 109158919 A CN109158919 A CN 109158919A CN 201811333327 A CN201811333327 A CN 201811333327A CN 109158919 A CN109158919 A CN 109158919A
- Authority
- CN
- China
- Prior art keywords
- clamping device
- lid
- differential
- bevel gear
- driven wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses clamping devices, are related to chuck apparatus technical field.It include: workbench, controller, actuator, the first driving member, four group of second driving member, the clamping limit sensors being mounted on workpiece, the release limit sensors and two groups of clamp systems being installed on the workbench；First driving member includes drive bevel gear and four driven wheel of differential, and every group of second driving member includes thread lead screw corresponding with driven wheel of differential and nut, and every group of clamp system includes two gripping blocks, is equipped with limit contact in gripping block；Gripping block is mounted on nut, and nut is mounted in thread lead screw, and thread lead screw is mounted on workbench；Thread lead screw is connect with driven wheel of differential, and driven wheel of differential is connect with drive bevel gear, and drive bevel gear is connect with actuator；Drive bevel gear and driven wheel of differential are respectively mounted on the table；Controller is connect with actuator, clamping limit sensors and release limit sensors respectively；The clamping device saves manpower.
Description
Technical field
The present invention relates to chuck apparatus technical fields, more particularly, to clamping device.
Background technique
With manufacturing rapid development, the scientific and technological level in the fields such as domestic air mail space flight, ship, automobile, building, chemical industry
Also significant to improve.Therefore also for the technical level of China basis manufacturing industry equipment, more stringent requirements are proposed.China's basis system
Industry equipment is made while the capability of independent innovation is continuously improved, technical perfection constantly also is carried out to existing equipment and performance is excellent
Change.The raising of the electromechanical integration degree of basic manufacturing industry equipment, it is efficiently, high speed, high-precision when becoming mainstream development direction, mechanical
The safety of equipment, the reinforcement of stability, accuracy also become particularly important；With the continuous development of processing industry, processing is set
It is standby also gradually to become more, such as: numerically controlled lathe, milling machine, gantry, Ye You producer, which can design to exclusively carry out, processes setting for certain workpiece
It is standby, such as: metal plate class, tubular shaft.
In the plate of the electronic devices such as working flat plate computer, hand-operated clamping workpiece is often needed to carry out roughing, hand-operated clamping
Workpiece is relatively elaborate.
Summary of the invention
The purpose of the present invention is to provide clamping device, which can save manpower.
To achieve the above object, the present invention the following technical schemes are provided:
According to an aspect of the present invention, clamping device is provided, comprising: place the workbench of workpiece, controller, actuator,
First driving member, four group of second driving member, be mounted on workpiece clamping limit sensors, the pine that is installed on the workbench
Open limit sensors and two groups of clamp systems；Wherein, first driving member includes drive bevel gear and four from mantle
Gear, the second driving member described in every group include thread lead screw corresponding with the driven wheel of differential and nut, are pressed from both sides described in every group
Tight mechanism includes two and is oppositely arranged and gripping block corresponding with the thread lead screw, is equipped in the gripping block triggerable
The limit contact for unclamping limit sensors；
The gripping block is mounted on the nut, and the nut is mounted in the thread lead screw, the thread lead screw peace
Mounted in the workbench；
The thread lead screw is connect with the driven wheel of differential, and the driven wheel of differential is connect with the drive bevel gear,
The drive bevel gear is connect with the actuator so that two gripping blocks being oppositely arranged clamp workpiece or unclamp workpiece；It is described
Drive bevel gear and the driven wheel of differential are respectively mounted on the workbench；
The controller connects with the actuator, the clamping limit sensors and the release limit sensors respectively
It connects；The clamping limit sensors are arranged towards the gripping block.
Further, the gripping block is equipped with the damping rubber block contacted with workpiece.
Further, the damping rubber block includes rubber buffer block body and spring；
The spring be set to the damping rubber block body interior, wherein the length direction of the spring with it is described
The direction of motion of gripping block is consistent.
Further, the material that the rubber buffer block body uses is high-tension rubber.
Further, the drive bevel gear include umbrella ontology and with the umbrella ontology installation connected vertically
Axis；Wherein,
Along the circumferential direction of the umbrella ontology, umbrella ontology upper end is provided with the gear teeth, the gear teeth described in each adjacent two it
Between be provided with oil outlet；
The umbrella body interior is provided with shoe cream room, is provided with input oil groove on the outside of the shoe cream room；The oil transportation slot position
It is connected to respectively in the umbrella body interior and with the oil outlet and the shoe cream room；
The umbrella body interior is equipped with the filling passage communicated with outside, and the filling passage and the shoe cream room connect
It is logical；It is equipped on the filling passage for covering or the oil cap of the open filling passage；
The surface of the umbrella ontology is equipped with for covering or the oil sealing cap of the open shoe cream room.
Further, the oil sealing cap includes the first lid and the second lid；
The plane of flattening of first lid is greater than second lid, and second lid is installed vertically on first lid
On body；First lid is spirally connected with the umbrella ontology, and second lid is sealed on the shoe cream room.
Further, the end of second lid contacted with the shoe cream room is equipped with sealing ring.
Further, the sealing ring includes the sealing ring body that second lid is arranged in, outer seal lip and interior
Sealing lip；
Along the circumferential direction of the sealing ring body, the sealing ring body side is equipped with the outer seal lip and interior sealing
Lip；
V-type groove is formed between the outer seal lip and the interior sealing lip, the notch of the V-type groove is backwards to described close
Seal ontology；
It is compound in the V-type groove to be provided with rubber ring.
Further, the cross-sectional area of the rubber ring is crescent structure, and the thickness of the rubber ring is recessed from the V-type
The slot bottom of slot gradually successively decreases to both sides, and forms anti-package structure at the top of the V-type groove.
Further, the actuator is motor.
Clamping device according to the present invention, when machining center operator issues the instruction of clamp or release workpiece by software
When, command signal is transmitted to controller by industrial personal computer, and controller is according to clamping limit sensors and unclamps limit sensors
Feedback signal judges clamped condition, if state is different from instruction, controller issues a command to driving, if clamped condition and instruction
State is identical, then does not execute instruction while feeding back limit signal to industrial personal computer；When state is different from instruction, controller receives folder
After tight or release instruction, controller controls actuator power supply opening, control actuator work, actuator driving active conical tooth rotation
Dynamic, drive bevel gear rotation drives four driven wheel of differential rotations, and the rotation of driven wheel of differential drives the rotation of screw lead screw, from
And making the length direction linear motion of the gripping block installed on nut threadingly lead screw, two gripping blocks being oppositely arranged are driving
When moving part turns to identical, move toward one another, to realize clamp or release workpiece；When gripping block clamps workpiece, it is mounted on work
Clamping limit sensors on part are clamped block triggering, clamp limit sensors and issue clamping signal, and feed back to controller with
Cut off the power supply of actuator；When gripping block unclamps workpiece, gripping block moves to limit contact triggering and unclamps limit sensors, pine
It opens limit sensors and issues and unclamp signal, and feed back to controller to cut off the power supply of actuator；The above process makes gripping block
Can Automatic-clamping or unclamp workpiece, saved manpower.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow diagram of clamping device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of drive bevel gear in clamping device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram inside drive bevel gear provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of sealing ring in clamping device provided in an embodiment of the present invention.
Icon: 10- industrial personal computer；20- controller；30- actuator；301- motor；The first driving member of 40-；401- initiative taper
Gear；4011- umbrella ontology；4012- installation axle；The 4013- gear teeth；4014- oil outlet；4015- shoe cream room；4016- input oil groove；
4017- filling passage；4018- oil sealing cap；The first lid of 4019-；The second lid of 4020-；402- driven wheel of differential；50- second
Driving member；501- thread lead screw；60- clamps limit sensors；70- unclamps limit sensors；80- clamp system；801- is clamped
Block；90- sealing ring；901- sealing ring body；902- outer seal lip；Sealing lip in 903-；904-V type groove；905- rubber ring.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the flow diagram of clamping device provided in an embodiment of the present invention；Fig. 2 is folder provided in an embodiment of the present invention
The structural schematic diagram of drive bevel gear in tight device；Fig. 3 is that the structure inside drive bevel gear provided in an embodiment of the present invention is shown
It is intended to；Fig. 4 is the structural schematic diagram of sealing ring in clamping device provided in an embodiment of the present invention.
Embodiment
According to an aspect of the present invention, clamping device is provided, as shown in FIG. 1, FIG. 1 is folders provided in an embodiment of the present invention
The flow diagram of tight device；It include: workbench, controller 20, actuator 30,40, four groups of the first driving member for placing workpiece
Second driving member 50, be mounted on workpiece clamping limit sensors 60, the release limit sensors 70 that are installed on the workbench
And two groups of clamp systems 80；Wherein, the first driving member 40 includes drive bevel gear 401 and four driven wheel of differential 402, often
The second driving member 50 of group includes thread lead screw 501 corresponding with driven wheel of differential 402 and nut, and every group of clamp system 80 wraps
It includes two to be oppositely arranged and gripping block 801 corresponding with thread lead screw 501, being equipped in gripping block 801, which can trigger, unclamps limit
The limit contact of sensor 70；
Gripping block 801 is mounted on nut, and nut is mounted in thread lead screw, and thread lead screw 501 is mounted on workbench；
Thread lead screw 501 is connect with driven wheel of differential 402, and driven wheel of differential 402 is connect with drive bevel gear 401, actively
Bevel gear 401 connect with actuator 30 so that two gripping blocks 801 clamp workpiece or unclamp workpiece；Drive bevel gear 401 with from
Dynamic bevel gear 402 is respectively mounted on the table；
Controller 20 is connect with actuator 30, clamping limit sensors 60 and release limit sensors 70 respectively；It clamps
Limit sensors 60 are arranged towards gripping block 801.
Clamping device according to the present invention, when machining center operator issues the instruction of clamp or release workpiece by software
When, command signal is transmitted to controller 20 by industrial personal computer 10, and controller 20 is limited according to limit sensors 60 and release is clamped
The feedback signal of sensor 70 judges clamped condition, if state is different from instruction, controller 20 issues a command to driving, if folder
Tight state is identical as command status, then does not execute instruction while feeding back limit signal to industrial personal computer 10；When state is different from instruction
When, after controller 20 receives clamp or release instruction, controller 20 controls 30 power supply opening of actuator, controls 30 work of actuator
To make, actuator 30 drives drive bevel gear 401 to rotate, and the rotation of drive bevel gear 401 drives four driven wheel of differential 402 to rotate,
The rotation of driven wheel of differential 402 drives the rotation of screw lead screw, so that the gripping block 801 installed on nut threadingly lead screw
Length direction linear motion, two gripping blocks 801 being oppositely arranged move toward one another when actuator 30 turns to identical, from
And realize clamp or release workpiece；When gripping block 801 clamps workpiece, the clamping limit sensors 60 being mounted on workpiece are pressed from both sides
Tight block 801 triggers, and clamps limit sensors 60 and issues clamping signal, and feeds back to controller 20 to cut off the electricity of actuator 30
Source；When gripping block 801 unclamps workpiece, gripping block 801 moves to limit contact triggering and unclamps limit sensors 70, unclamps limit
Sensor 70, which issues, unclamps signal, and feeds back to controller 20 to cut off the power supply of actuator 30；The above process makes gripping block
801 can Automatic-clamping or unclamp workpiece, saved manpower；
It should be noted that the clamping device includes two groups of clamp systems 80, every group of clamp system 80 includes two opposite
The gripping block 801 of setting, can for the position of four gripping blocks 801 are as follows: two gripping blocks 801 workpiece one side, in addition
Two gripping blocks 801 are in the another side of workpiece or each gripping block 801 in a side of workpiece, it may be preferable that each
Clamping element further increases the clamping force to workpiece in a side of workpiece；Wherein, actuator 30 is motor 301.
A kind of embodiment of clamping device according to the present invention, gripping block 801 are equipped with the rubber buffer contacted with workpiece
Block.
According to this practical novel clamping device, when gripping block 801 clamps workpiece, in order to avoid gripping block 801 is to work
The damage of part is then equipped with the damping rubber block that contacts with workpiece in gripping block 801, damping rubber block towards workpiece setting,
For being buffered to workpiece；
Specifically, damping rubber block includes rubber buffer block body and spring；
Spring is set to damping rubber block body interior, wherein the length direction of spring and the direction of motion one of gripping block 801
It causes；
The setting of spring after damping rubber block aging so that still can play a buffer role in.
Wherein, the material that rubber buffer block body uses is high-tension rubber.
A kind of embodiment of clamping device according to the present invention, as shown in FIG. 2 and 3, Fig. 2 mentions for the embodiment of the present invention
The structural schematic diagram of drive bevel gear in the clamping device of confession；Fig. 3 is inside drive bevel gear provided in an embodiment of the present invention
Structural schematic diagram；Drive bevel gear include umbrella ontology 4011 and it is vertical with umbrella ontology 4011 connect and with actuator 30
The installation axle 4012 of connection；Wherein,
Along the circumferential direction of umbrella ontology 4011,4011 upper end of umbrella ontology is provided with the gear teeth 4013, each adjacent two gear teeth
Oil outlet 4014 is provided between 4013；
Umbrella ontology 4011 is internally provided with shoe cream room 4015, and input oil groove 4016 is provided on the outside of shoe cream room 4015；Oil transportation
Slot 4016 is located inside umbrella ontology 4011 and is connected to respectively with oil outlet 4014 and shoe cream room 4015；
The filling passage 4017 communicated with outside, filling passage 4017 and shoe cream room 4015 are equipped with inside umbrella ontology 4011
Connection；It is equipped on filling passage 4017 for covering or the oil cap of open filling passage 4017；
The surface of umbrella ontology 4011 is equipped with for covering or the oil sealing cap 4018 of open shoe cream room 4015.
Clamping device according to the present invention is logical by refueling in progress in use, shoe cream room 4015 is for storing lubricating oil
Road 4017 can guarantee the amount of storage of 4015 internal lubrication of shoe cream room oil to refueling inside shoe cream room 4015, easy to lubricate
Fast；Oil sealing cap 4018 is mounted on the surface of umbrella ontology 4011, for the sealing to shoe cream room 4015；Carrying out rotary work
When, the lubricating oil inside shoe cream room 4015 under the influence of centrifugal force, is discharged by input oil groove 4016 and oil outlet 4014, from
And the gear teeth 4013 are lubricated, the abrasion on 4013 surface of the gear teeth is reduced, can be improved its service life.
Specifically, as shown in figure 3, Fig. 3 is the structural schematic diagram inside drive bevel gear provided in an embodiment of the present invention；Envelope
Oil cap 4018 includes the first lid 4019 and the second lid 4020；
The plane of flattening of first lid 4019 is greater than the second lid 4020, and the second lid 4020 is installed vertically on the first lid
On 4019；First lid 4019 is spirally connected with umbrella ontology 4011, and the second lid 4020 is sealed on shoe cream room 4015.
A kind of embodiment of clamping device according to the present invention, as shown in figure 3, the second lid contacted with shoe cream room 4015
4020 end is equipped with sealing ring 90.
Clamping device according to the present invention, sealing ring 90 realize oil sealing cap 4018 and shoe cream room under the action of natural resiliency
Sealing between 4015 prevents oil leak to improve the leakproofness of shoe cream room 4015；
Specifically, as shown in figure 4, Fig. 4 is the structural schematic diagram of sealing ring in clamping device provided in an embodiment of the present invention；
Sealing ring 90 includes 90 ontology of sealing ring, outer seal lip 902 and the interior sealing lip 903 that the second lid 4020 is arranged in；
Along the circumferential direction of 90 ontology of sealing ring, 90 body side surfaces of sealing ring are equipped with outer seal lip 902 and interior sealing lip 903；
V-type groove 904 is formed between outer seal lip 902 and interior sealing lip 903, the notch of V-type groove 904 is backwards to sealing ring
90 ontologies；
It is compound in V-type groove 904 to be provided with rubber ring 905.
When being sealed envelope, outer close lip and interior sealing lip 903 are compressed, due to outer seal lip 902 and interior sealing lip 903
Between formed V-type groove 904 so that outer seal lip 902 and interior sealing lip 903 contacted with shoe cream room 4015 sealing surface change
Width, so that the sealing surface that sealing ring 90 is contacted with shoe cream room 4015 broadens, so that the sealing effect of the sealing ring 90 is good, together
When, compound in V-type groove 904 to be provided with rubber ring 905, outer seal lip 902 and interior sealing lip 903 when can be improved sealing
Ductility, so that outer seal lip 902 and interior sealing lip 903 and sealing face contact are more preferable, so that the sealing ring 90
Sealing effect is good；
Wherein, the material of 90 ontology of sealing ring is acrylic rubber or hydrogenated nitrile-butadiene rubber；The material of rubber ring 905 is
Methyl vinyl silicone rubber ring 905；
A kind of embodiment of clamping device according to the present invention, the cross-sectional area of rubber ring 905 are crescent structure, rubber
The thickness of ring 905 gradually successively decreases from the slot bottom of V-type groove 904 to both sides, and forms anti-package structure at the top of V-type groove 904.
Clamping device according to the present invention, forming anti-package structure at the top of V-type groove 904 is rubber ring in order to prevent
905 fall off, and improve the ductility of the sealing ring 90.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail invention referring to foregoing embodiments, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or some or all of the technical features is carried out
Equivalent replacement；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (10)
1. clamping device characterized by comprising place workbench, controller, actuator, the first driving member, four groups of workpiece
Second driving member, the clamping limit sensors being mounted on workpiece, the release limit sensors being installed on the workbench with
And two groups of clamp systems；Wherein, first driving member includes drive bevel gear and four driven wheel of differential, described in every group
Two driving members include thread lead screw corresponding with the driven wheel of differential and nut, and clamp system described in every group includes two
It is oppositely arranged and gripping block corresponding with the thread lead screw, being equipped in the gripping block can trigger the release limit and pass
The limit contact of sensor；
The gripping block is mounted on the nut, and the nut is mounted in the thread lead screw, and the thread lead screw is mounted on
The workbench；
The thread lead screw is connect with the driven wheel of differential, and the driven wheel of differential is connect with the drive bevel gear, described
Drive bevel gear is connect with the actuator so that two gripping blocks clamp workpiece or unclamp workpiece；The drive bevel gear
It is respectively mounted on the workbench with the driven wheel of differential；
The controller is connect with the actuator, the clamping limit sensors and the release limit sensors respectively；
The clamping limit sensors are arranged towards the gripping block.
2. clamping device according to claim 1, which is characterized in that the gripping block is equipped with the rubber contacted with workpiece
Buffer stopper.
3. clamping device according to claim 2, which is characterized in that the damping rubber block includes rubber buffer block body
And spring；
The spring is set to the damping rubber block body interior, wherein the length direction of the spring and the clamping
The direction of motion of block is consistent.
4. clamping device according to claim 3, which is characterized in that the material that the rubber buffer block body uses is height
Elastic rubber.
5. clamping device according to claim 1, which is characterized in that the drive bevel gear include umbrella ontology and with
The umbrella ontology installation axle connected vertically；Wherein,
Along the circumferential direction of the umbrella ontology, umbrella ontology upper end is provided with the gear teeth, sets between the gear teeth described in each adjacent two
It is equipped with oil outlet；
The umbrella body interior is provided with shoe cream room, is provided with input oil groove on the outside of the shoe cream room；The input oil groove is located at institute
It states umbrella body interior and is connected to respectively with the oil outlet and the shoe cream room；
The umbrella body interior is equipped with the filling passage communicated with outside, and the filling passage is connected to the shoe cream room；Institute
It states and is equipped on filling passage for covering or the oil cap of the open filling passage；
The surface of the umbrella ontology is equipped with for covering or the oil sealing cap of the open shoe cream room.
6. clamping device according to claim 5, which is characterized in that the oil sealing cap includes the first lid and the second lid
Body；
The plane of flattening of first lid is greater than second lid, and second lid is installed vertically on first lid
On；First lid is spirally connected with the umbrella ontology, and second lid is sealed on the shoe cream room.
7. clamping device according to claim 6, which is characterized in that second lid contacted with the shoe cream room
End is equipped with sealing ring.
8. clamping device according to claim 7, which is characterized in that the sealing ring includes being arranged in second lid
Sealing ring body, outer seal lip and interior sealing lip；
Along the circumferential direction of the sealing ring body, the sealing ring body side is equipped with the outer seal lip and interior sealing lip；
V-type groove is formed between the outer seal lip and the interior sealing lip, the notch of the V-type groove is backwards to the sealing ring
Ontology；
It is compound in the V-type groove to be provided with rubber ring.
9. clamping device according to claim 8, which is characterized in that the cross-sectional area of the rubber ring is crescent knot
The thickness of structure, the rubber ring gradually successively decreases from the slot bottom of the V-type groove to both sides, and in the top shape of the V-type groove
At anti-package structure.
10. clamping device according to claim 1, which is characterized in that the actuator is motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333327.5A CN109158919A (en) | 2018-11-09 | 2018-11-09 | clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333327.5A CN109158919A (en) | 2018-11-09 | 2018-11-09 | clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109158919A true CN109158919A (en) | 2019-01-08 |
Family
ID=64876974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811333327.5A Pending CN109158919A (en) | 2018-11-09 | 2018-11-09 | clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109158919A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478208A (en) * | 2019-07-11 | 2019-11-22 | 解正开 | External counterpulsation apparatus based on two-way roller bearing screw rod |
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| CN205047780U (en) * | 2015-09-28 | 2016-02-24 | 苏州市海神达机械科技有限公司 | Bevel gear |
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Cited By (1)
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|---|---|---|---|---|
| CN110478208A (en) * | 2019-07-11 | 2019-11-22 | 解正开 | External counterpulsation apparatus based on two-way roller bearing screw rod |
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Application publication date: 20190108 |