CN208345144U - A kind of cylinder crosses positioning claming controller - Google Patents
A kind of cylinder crosses positioning claming controller Download PDFInfo
- Publication number
- CN208345144U CN208345144U CN201820679386.7U CN201820679386U CN208345144U CN 208345144 U CN208345144 U CN 208345144U CN 201820679386 U CN201820679386 U CN 201820679386U CN 208345144 U CN208345144 U CN 208345144U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- cylinder
- rocker arm
- mounting hole
- cantilever
- Prior art date
- 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.)
- Active
Links
Landscapes
- Automatic Assembly (AREA)
Abstract
The utility model relates to a kind of cylinders to cross positioning claming controller, including bottom plate, cylinder and clamp system, clamp system includes rocker arm and cantilever, two pieces of support plates are arranged in bottom plate upper vertical, rocker arm and cantilever are set in two pieces of support plates and among two pieces of support plates by axis and bearing assembly, it is hinged by monaural connecting rod between rocker arm and cantilever, the mechanism that is slidably connected is set between the output shaft and rocker arm of cylinder, including an ears connecting rod, one couple of balance is held and a pair of parallel orbit set on the bottom plate, the upper end of ears connecting rod and rocker arm are hinged, the connection of the output the tip of the axis of lower end and cylinder, equalizer bearing is by being located in the two sides of ears connecting rod lower end, it is horizontally moved along track, when cylinder stretches out, clamp system clamps;When cylinders retract, clamp system unclamps.Compared with prior art, the present apparatus forms right angle using cylinder connection ears connecting rod and rocker arm and locks, and to control the positioning of gripping block, solves the defects of clamping sideslip, clamping loosely.
Description
Technical field
The utility model relates to a kind of pneumatic pinch control devices, and in particular to a kind of cylinder crosses positioning and clamps control dress
It sets.
Background technique
In the conveying equipment production line of Automotive Production Manufacture assembling, need to control sled according to process flow or assembly
Stop steady, snow in (conveying equipment of bearing automobile product, the sled of similar skiing, industry are commonly referred to as sled) operational process
The braking of sledge is braked usually using cylinder clamping control device (binding clasp), as shown in Figure 1.Existing clamper structure and crank connect
Rod principle schematic diagram is as shown in Figure 2,3, and cylinder is directly connected to and controls rocker arm, and rocker structure is C-shaped, and structure is undesirable, cylinder
Contraction itself there are certain deviation, the case where being easy to cause rocker arm positioning inaccurate, clamp sideslip, influence the essence of equipment operation
Degree, it is unstable after causing product accurately cannot dock or dock.
Utility model content
The purpose of this utility model is exactly to solve the above-mentioned problems and provides a kind of accurate positioning, stable cylinder
Cross positioning claming controller.
A kind of cylinder crosses positioning claming controller, including bottom plate, set on bottom plate side cylinder and be set on the bottom plate
The clamp system in portion, the clamp system include rocker arm and cantilever, and the upper end of the rocker arm and cantilever is equipped with fixture block component, described
Bottom plate upper vertical is arranged two pieces of support plates, the rocker arm and cantilever and is set in two pieces of support plates and locates by axis and bearing assembly
It is hinged by monaural connecting rod between the rocker arm and cantilever among two pieces of support plates, the output shaft of the cylinder and rocker arm it
Between setting be slidably connected mechanism, which includes that an ears connecting rod, one couple of balance hold and a pair of be set to bottom plate
On parallel orbit, the upper end of the ears connecting rod and the rocker arm are hinged, the connection of the output the tip of the axis of lower end and cylinder, institute
Equalizer bearing is stated by being located in the two sides of ears connecting rod lower end, and can be horizontally moved along the track, when cylinder stretches out,
Clamp system clamps;When cylinders retract, clamp system unclamps.
Further, the rocker arm includes the clamping part on top and the interconnecting piece of lower part, and the interconnecting piece is respectively equipped with
Ears connecting rod mounting hole for being connect with ears connecting rod, the support plate mounting hole for being connect with support plate and be used for and list
The line of centres and the list of the monaural connecting rod mounting hole of ear connecting rod connection, the ears connecting rod mounting hole and support plate mounting hole
The line of centres of ear connecting rod mounting hole and support plate mounting hole is perpendicular, the clamping part be in rectangular bulk, length direction with
The line of centres of ears connecting rod mounting hole and support plate mounting hole is perpendicular.
Further, when the clamp system is clamped in place, the ears connecting rod is in vertical direction in the longitudinal direction, institute
The line of centres and cylinder output shaft for stating ears connecting rod mounting hole and support plate mounting hole are horizontal direction, form cantilever
Right angle locking state.
Further, the cantilever is C-shaped, the interconnecting piece of clamping part and lower part including top, is arranged on interconnecting piece and uses
In the support plate mounting hole being connect with support plate and monaural connecting rod mounting hole for being connect with monaural connecting rod.
Further, the fixture block component includes gripping block, and the gripping block is positioned opposite respectively to be mounted on rocker arm and hang
The upper end of arm is equipped with the adjustable gasket of adjustable spacing in the gripping block.
Further, the monaural connecting rod is the strip block structure of both ends semicircular in shape, and both ends are equipped with hole, the monaural
Connecting rod is arranged two, the two sides of rocker arm and cantilever is separately mounted to by axis, and bearing is arranged in junction.
Further, the H-shaped structure of ears connecting rod, the rocker arm are mounted in ears small end by axis
Between, the centre of ears connecting rod lower end is equipped with cylinder connector, is attached with cylinder output shaft end.
Further, the support plate is mounted on the surface of track, and support plate lower part is equipped with length in the surface of track
Bar shape trench hole, the both ends of slot abut the both ends of track, and destination terminal is stretched out in respectively cylinders retract starting point and cylinder, described flat
Weighing apparatus bearing and axis move horizontally in the slot along track.
Further, destination terminal is stretched out in cylinders retract starting point and cylinder on the bottom plate be respectively equipped with sensor group
Part, including the sensor connecting with peripheral control unit, the sensor is mounted on bottom plate by bracket, is sensed by increasing
Device can control cylinder start and stop position in advance.
Further, the cylinder is connect by cylinder mount frame with bottom plate, and side seal is equipped between the support plate end
Plate.
The utility model is to solve the problems, such as that the prior art exists, and changes design principle, improves in mechanism, in gas
The mechanism that is slidably connected is provided between cylinder and rocker arm, including an ears connecting rod, one couple of balance are held and a pair is set on the bottom plate
Parallel orbit rocker arm is directly controlled by original cylinder, ears connecting rod is increased, is changed to using crank and rocker mechanism principle
Cylinder connects ears connecting rod and controls rocker arm, and clamping exhaust hood, ears connecting rod, each center of rocker arm are in 90 ° mutually, plays positioning
Effect, inclined defect may be controlled by improving original positioning.Ears connecting rod is connected by using cylinder and rocker arm forms right angle
It is locked, to control the positioning of gripping block, solve the defects of clamping sideslip, clamping loosely.Additionally by increase and decrease grip gasket tune
Whole spacing, it is ensured that clamping gap or the pitch requirements for adapting to different sleds.
The utility model manufacturing cost is low, and structure is simple, runs smoothly reliable convenient for installation and maintenance, comprehensively considers further
Improve the stability of current claming controller.Save the cost, installation maintenance be easy, stable and reliable operation and is not only suitable for vapour
Vehicle product conveying unit is also suitble to the conveying equipment of similar industry, especially rocker arm right angle to position, and operational process greatly reduces
The phenomenon that sideslip.
Compared with prior art, the specific advantage of the utility model are as follows:
1, the mechanism that is slidably connected is set between the output shaft and rocker arm of cylinder, is held by an ears connecting rod, one couple of balance
And a pair of of parallel orbit connection, using crank and rocker mechanism principle, inclined defect may be controlled by improving original positioning.
2, the ears connecting rod mounting hole of rocker arm and the line of centres of support plate mounting hole and monaural connecting rod mounting hole and support
The line of centres of plate mounting hole is perpendicular, keeps clamping exhaust hood, ears connecting rod, each center of rocker arm in 90 ° mutually, rocker arm is formed directly
Angle is locked, solves the defects of clamping sideslip, clamping loosely.
3, fixture block component includes gripping block, the gripping block upper end positioned opposite for being mounted on rocker arm and cantilever respectively, institute
The adjustable gasket for being equipped with adjustable spacing in gripping block is stated, spacing is adjusted by increase and decrease grip gasket, it is ensured that clamping gap is suitable
Answer the pitch requirements of different sleds.
4, support plate lower part is equipped with strip slot in the surface of track, and the both ends of slot abut the both ends of track, point
Not Wei cylinders retract starting point and cylinder stretch out destination terminal, position-limiting action is played to the movement of equalizer bearing.
5, destination terminal is stretched out in cylinders retract starting point and cylinder on bottom plate and be respectively equipped with inductor assembly, passed by increasing
Sensor can control cylinder start and stop position in advance.
6, the ears connecting rod and two bearings on the one hand added make cylinder keep linear motion that the present apparatus is made to run smoothly and save
Power, another aspect cylinder, which avoids swinging, to be reduced abrasion and prolongs the service life, and more previous cylinder pushes directly on clamp arm, due to new
The connecting rod of increasing plays the role of reinforcement, although it is 63 to reduce energy consumption that the cylinder diameter of cylinder is changed small by original 80, makes this instead
The clamping force of device is enhanced.
Detailed description of the invention
Scheme of installation when Fig. 1 is device concrete application;
Fig. 2 is the structure chart of existing apparatus;
Fig. 3 is existing apparatus crank connecting link schematic diagram;
Fig. 4,5 be utility model device structure chart;
Fig. 6 is the main structure figure of Fig. 5;
Fig. 7 is the right view structure chart of Fig. 5;
Fig. 8 is the overlooking structure figure of Fig. 5;
Fig. 9 is the sectional view along A-A of Fig. 5;
Figure 10 is the B-B direction cross-sectional view of Fig. 5;
Figure 11 is the C-C of Fig. 5 to cross-sectional view;
Figure 12 is the structure chart of the ears connecting rod of the utility model;
Figure 13 is the main view of the rocker arm of the utility model;
Figure 14 is the utility model swing process schematic diagram;
Figure 15-16 is utility model device crank connecting link schematic diagram;
In figure: cylinder 1, ears connecting rod mounting hole 21, support plate mounting hole 22, monaural connecting rod mounting hole 23, hangs rocker arm 2
Arm 3, support plate 4, monaural connecting rod 5, fixture block component 6, gripping block 61, adjustable gasket 62, bottom plate 7, ears connecting rod 8, equalizer bearing
9, track 10, bracket 11, sensor 12, cylinder mount frame 13, side seal board 14.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment
A kind of cylinder crosses positioning claming controller, referring to attached drawing 4-11, including bottom plate 7, the cylinder set on 7 side of bottom plate
1 and the clamp system set on 7 top of bottom plate, clamp system includes rocker arm 2 and cantilever 3, and the upper end of rocker arm 2 and cantilever 3 is equipped with
Fixture block component 6,7 upper vertical of bottom plate are arranged two pieces of support plates, rocker arm 2 and cantilever 3 and are set to two pieces of branch by axis and bearing assembly
It is hinged by monaural connecting rod 5 between rocker arm 2 and cantilever 3 on fagging 4 and among two pieces of support plates 4, the output shaft of cylinder 1
The mechanism that is slidably connected is set between rocker arm 2, which holds 9 and one including an ears connecting rod 8, one couple of balance
To the parallel orbit 10 being set on bottom plate 7, the upper end of ears connecting rod 8 and rocker arm 2 are hinged, the end of the output shaft of lower end and cylinder 1
End connection, equalizer bearing 9 can be horizontally moved, cylinder 1 by being located in the two sides of 8 lower end of ears connecting rod along track 10
When stretching, clamp system is clamped;When cylinder 1 retracts, clamp system unclamps.
Further, such as Figure 13, rocker arm 2 includes the clamping part on top and the interconnecting piece of lower part, and interconnecting piece is respectively provided with
The ears connecting rod mounting hole 21 that is connect with ears connecting rod 8, the support plate mounting hole 22 for being connect with support plate 4 and for
The monaural connecting rod mounting hole 23 that monaural connecting rod 5 connects, the line of centres of ears connecting rod mounting hole 21 and support plate mounting hole 22 with
The line of centres of monaural connecting rod mounting hole 23 and support plate mounting hole 22 is perpendicular, and clamping part is in rectangular bulk, length direction
It is perpendicular with the line of centres of ears connecting rod mounting hole 21 and support plate mounting hole 22.When clamp system is clamped in place, ears connect
Bar 8 is in vertical direction, the line of centres and cylinder of ears connecting rod mounting hole 21 and support plate mounting hole 22 in the longitudinal direction
Output shaft is horizontal direction, and cantilever 3 is made to form right angle locking state.
Cantilever 3 is C-shaped, the interconnecting piece of clamping part and lower part including top, and setting with support plate 4 for connecting on interconnecting piece
The support plate mounting hole 22 connect and the monaural connecting rod mounting hole 23 for being connect with monaural connecting rod.Fixture block component 6 includes clamping
Block 61, the upper end positioned opposite for being mounted on rocker arm 2 and cantilever 3 respectively of gripping block 61 are equipped with adjustable spacing in gripping block 61
Adjustable gasket 62.
Monaural connecting rod 5 is the strip block structure of both ends semicircular in shape, and both ends are equipped with hole, and monaural connecting rod 5 is arranged two, is led to
The two sides that axis is separately mounted to rocker arm 2 and cantilever 3 are crossed, and bearing is set in junction.Such as Figure 12, the H-shaped knot of ears connecting rod 8
Structure, rocker arm 2 are mounted on the centre of 8 upper end of ears connecting rod by axis, and the centre of 8 lower end of ears connecting rod is equipped with cylinder connector, with
Cylinder output shaft end is attached.
Support plate 4 is mounted on the surface of track 10, and 4 lower part of support plate is equipped with strip slot in the surface of track 10
Hole, the both ends of slot abut the both ends of track 10, and destination terminal, equalizer bearing 9 are stretched out in respectively cylinders retract starting point and cylinder
And axis moves horizontally in slot along track 10.Destination terminal is stretched out with cylinder in cylinders retract starting point on bottom plate 7 to be respectively equipped with
Inductor assembly, including the sensor 12 connecting with peripheral control unit, sensor 12 is mounted on bottom plate 7 by bracket 11.
Cylinder 1 is connect by cylinder mount frame 13 with bottom plate 7, and side seal board 14 is equipped between 4 end of support plate.
Compared with the prior device, referring to attached drawing 1-3, the present apparatus is to solve the problems, such as that the prior art exists, and it is former to change design
Reason, is improved in mechanism, is provided with and is slidably connected mechanism between cylinder and rocker arm, using crank and rocker mechanism principle,
Rocker arm is directly controlled by original cylinder, increases ears connecting rod, is changed to cylinder connection ears connecting rod control rocker arm, gas after clamping
Cylinder, ears connecting rod, each center of rocker arm are in 90 ° mutually, play the role of positioning, improve original positioning may control it is inclined
Defect connects ears connecting rod by using cylinder and rocker arm forms right angle and locks, to control the positioning of gripping block, solves clamping
Sideslip, clamp loosely the defects of.Spacing is adjusted additionally by increase and decrease grip gasket, it is ensured that clamping gap adapts to different sleds
Pitch requirements.
Device materials use Q235A, and the general metalworking factory of overall processing ability can do, to ensure overall precision, respectively
The hole of components upper Cutter Body Processing with Machining Center after preferably welding, it is ensured that concentricity and roughness.
Specific control principle 4-16 referring to Fig.1, when cylinder 1 stretches out, clamp system is clamped, clamp exhaust hood, ears connecting rod,
Each center of rocker arm is in 90 ° mutually;When cylinder 1 retracts, clamp system unclamps.
According to improved mechanism principle (Figure 15), now to cylinder overtravel or the case where stroke is not achieved, it is illustrated, just
Normal state, cylinder stroke X, cylinder, ears connecting rod, rocker arm are in 90 ° of angles, and clamping spacing is Min;Two are equipped with before and after the present apparatus
A sensor is high-precision sensor (control precision is within 1mm), previous sensor (i.e. cylinder stretches out at state position)
The problem of controlling the cylinder excess of stroke or stroke is not achieved, latter sensors control cylinder retrieving position (the i.e. open position of Figure 16
Set), it can be seen that 90 ° of positive and negative 1mm of deviation of ears connecting rod that sensor 12 controls are almost unchanged on clamp arm influence very little, compare
Previous cylinder pushes directly on clamp arm, and the precision and stability that the present apparatus clamps have further raising.
Claims (10)
1. a kind of cylinder crosses positioning claming controller, including bottom plate (7), it is set to the cylinder (1) of bottom plate (7) side and is set to
The clamp system on bottom plate (7) top, the clamp system include rocker arm (2) and cantilever (3), the rocker arm (2) and cantilever (3)
Upper end is equipped with fixture block component (6), and two pieces of support plates are arranged in bottom plate (7) upper vertical, and the rocker arm (2) and cantilever (3) are logical
It crosses axis and bearing assembly is set on two pieces of support plates (4) and intermediate in two pieces of support plates (4), the rocker arm (2) and cantilever (3)
Between by monaural connecting rod (5) hingedly,
It is characterized in that, the mechanism that is slidably connected, the machine that is slidably connected are arranged between the output shaft and rocker arm (2) of the cylinder (1)
Structure holds (9) and a pair of parallel orbit (10) being set on bottom plate (7) including an ears connecting rod (8), one couple of balance, described double
Hingedly, lower end is connect with the output the tip of the axis of cylinder (1), the equalizer bearing for the upper end and the rocker arm (2) of ear connecting rod (8)
(9) it by being located in the two sides of ears connecting rod (8) lower end, and can be horizontally moved along the track (10), cylinder (1) stretches out
When, clamp system clamps;When cylinder (1) retracts, clamp system unclamps.
2. a kind of cylinder according to claim 1 crosses positioning claming controller, which is characterized in that the rocker arm (2)
The interconnecting piece of clamping part and lower part including top, the interconnecting piece are respectively provided with the ears connecting with ears connecting rod (8)
Connecting rod mounting hole (21) for the support plate mounting hole (22) that connect with support plate (4) and is used to connect with monaural connecting rod (5)
Monaural connecting rod mounting hole (23), the line of centres of the ears connecting rod mounting hole (21) and support plate mounting hole (22) with it is described
The line of centres of monaural connecting rod mounting hole (23) and support plate mounting hole (22) is perpendicular, and the clamping part is in rectangular bulk,
The line of centres of length direction and ears connecting rod mounting hole (21) and support plate mounting hole (22) is perpendicular.
3. a kind of cylinder according to claim 2 crosses positioning claming controller, which is characterized in that the clamp system folder
When being tightened to, the ears connecting rod (8) is in vertical direction, the ears connecting rod mounting hole (21) and support plate in the longitudinal direction
The line of centres and cylinder output shaft of mounting hole (22) are horizontal direction, and cantilever (3) is made to form right angle locking state.
4. a kind of cylinder according to claim 1 crosses positioning claming controller, which is characterized in that the cantilever (3) is in C
The support plate for connect with support plate (4) is arranged on interconnecting piece and installs for shape, the interconnecting piece of clamping part and lower part including top
Hole (22) and monaural connecting rod mounting hole (23) for being connect with monaural connecting rod.
5. a kind of cylinder according to claim 1 crosses positioning claming controller, which is characterized in that the fixture block component
It (6) include gripping block (61), the gripping block (61) upper end positioned opposite for being mounted on rocker arm (2) and cantilever (3) respectively is described
The adjustable gasket (62) of adjustable spacing is equipped in gripping block (61).
6. a kind of cylinder according to claim 1 crosses positioning claming controller, which is characterized in that the monaural connecting rod
It (5) is the strip block structure of both ends semicircular in shape, both ends are equipped with hole, and the monaural connecting rod (5) is arranged two, is distinguished by axis
The two sides of rocker arm (2) and cantilever (3) are mounted on, and bearing is set in junction.
7. a kind of cylinder according to claim 1 crosses positioning claming controller, which is characterized in that the ears connecting rod
(8) H-shaped structure, the rocker arm (2) are mounted on the centre of ears connecting rod (8) upper end, ears connecting rod (8) lower end by axis
Centre cylinder connector is installed, with cylinder output shaft end be attached.
8. a kind of cylinder according to claim 1 crosses positioning claming controller, which is characterized in that the support plate (4)
It is mounted on the surface of track (10), support plate (4) lower part is equipped with strip slot in the surface of track (10), and the two of slot
End abuts the both ends of track (10), and destination terminal, the equalizer bearing (9) and axis are stretched out in respectively cylinders retract starting point and cylinder
It is moved horizontally in the slot along track (10).
9. a kind of cylinder according to claim 8 crosses positioning claming controller, which is characterized in that on the bottom plate (7)
Destination terminal is stretched out in cylinders retract starting point and cylinder and is respectively equipped with inductor assembly, including the sensing connecting with peripheral control unit
Device (12), the sensor (12) are mounted on bottom plate (7) by bracket (11).
10. a kind of cylinder according to claim 1 crosses positioning claming controller, which is characterized in that the cylinder (1) is logical
It crosses cylinder mount frame (13) to connect with bottom plate (7), is equipped with side seal board (14) between support plate (4) end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820679386.7U CN208345144U (en) | 2018-05-08 | 2018-05-08 | A kind of cylinder crosses positioning claming controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820679386.7U CN208345144U (en) | 2018-05-08 | 2018-05-08 | A kind of cylinder crosses positioning claming controller |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208345144U true CN208345144U (en) | 2019-01-08 |
Family
ID=64888649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820679386.7U Active CN208345144U (en) | 2018-05-08 | 2018-05-08 | A kind of cylinder crosses positioning claming controller |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208345144U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108545421A (en) * | 2018-05-08 | 2018-09-18 | 上海苏腾机械设备有限公司 | A kind of cylinder crosses positioning claming controller |
-
2018
- 2018-05-08 CN CN201820679386.7U patent/CN208345144U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108545421A (en) * | 2018-05-08 | 2018-09-18 | 上海苏腾机械设备有限公司 | A kind of cylinder crosses positioning claming controller |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108545421A (en) | A kind of cylinder crosses positioning claming controller | |
CN205660565U (en) | Positioning and clamping device for testing fixture | |
CN208345144U (en) | A kind of cylinder crosses positioning claming controller | |
CN108638127B (en) | A kind of contact net Horizontal Cantilever, inclined cantilever merging method | |
CN203649725U (en) | Workpiece locating and clamping device on clamp | |
CN206869399U (en) | A kind of device for vehicle body installation body hinge | |
CN209504150U (en) | A kind of mechanical arm fixture for precision die forging | |
CN210500327U (en) | Variable-pitch clamping jaw mechanism | |
CN216577462U (en) | High-precision fixing clamp for drilling aluminum alloy pipe | |
CN209327403U (en) | A kind of vertical flying probe machine clamp | |
CN108372177B (en) | A anchor clamps aircraft nose for silicon chip centre gripping | |
CN208497036U (en) | A kind of crawl fixture applied to robot arm | |
CN206509782U (en) | A kind of Combined V-shaped block location structure being finely adjusted | |
CN207030604U (en) | Disc type admission machine between a kind of multi-region | |
CN210735504U (en) | Crankshaft clamping mechanism for manipulator | |
CN210548993U (en) | Multi-way pipe flange assembly equipment | |
CN111633578A (en) | Clamp | |
CN210255799U (en) | Clamp | |
CN208292227U (en) | A kind of automobile side wall suspender | |
CN203210047U (en) | Elbow holder | |
CN209272802U (en) | Rotate horizontally the verticallymovable clamping jaw of switching flexible welding workbench | |
CN208132759U (en) | A kind of aluminum profile positioning clamping device | |
CN220029492U (en) | Prestressing force steel bar stretch-draw anchor clamps | |
CN217457840U (en) | Workpiece conveying device | |
CN211109811U (en) | Thermometer base positioning mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |