CN112873256A - Workpiece pulling-out device - Google Patents
Workpiece pulling-out device Download PDFInfo
- Publication number
- CN112873256A CN112873256A CN202110196160.8A CN202110196160A CN112873256A CN 112873256 A CN112873256 A CN 112873256A CN 202110196160 A CN202110196160 A CN 202110196160A CN 112873256 A CN112873256 A CN 112873256A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- screw
- claw hook
- hole
- workpiece
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/02—Gripping heads and other end effectors servo-actuated
- B25J15/0253—Gripping heads and other end effectors servo-actuated comprising parallel grippers
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of workpiece pull-off devices, in particular to a workpiece pull-off device.A left screw and a right screw are respectively provided with a left-handed external thread and a right-handed external thread, the left screw is screwed into a left-handed internal thread of a left claw hook, the right screw is screwed into a right-handed internal thread of a right claw hook, and the synchronous central motion control of the left claw hook and the right claw hook is realized by adopting the matching of screws with different rotation directions of the external threads at two ends and the claw hooks with different rotation directions of the internal threads; the use of workpieces with different center specifications is met by adopting a pressure head replaceable structure; and a screw locking structure is arranged at the other end, so that the claw hook can be used for limiting and locking the screw rod after grasping the workpiece, and the claw hook can be indirectly locked.
Description
Technical Field
The invention relates to the technical field of workpiece pull-off devices, in particular to a workpiece pull-off device.
Background
The workpiece pull-off device can be synchronously adjusted through the left and right screw rods according to the left and right claw hooks of the profile of a workpiece, the screw rods are always located in the middle position, the central pressure head can be replaced according to the shape, size and length of the workpiece, and the screw rods have locking structures when being pulled off.
In the existing bearing or rotary part drawing structure, two claw hooks are respectively locked and controlled, so that the operation is inconvenient; the claw hook cannot be centered, and the claw hook can be centered only by human intervention; the pressing head can not be replaced and only can push workpieces of one specification; the left and right claw hooks can not be synchronously reduced and enlarged, and the operation is complicated.
The invention adopts the screw rods with different rotation directions of external threads at two ends to be matched with the claw hooks with different rotation directions of internal threads to realize the synchronous central motion control of the left claw hook and the right claw hook, and the cross rod has a structure for limiting the screw rod to be centered so as to center the screw rod and the claw hooks; the use of workpieces with different center specifications is met by adopting a pressure head replaceable structure; and a screw locking structure is arranged at the other end, so that the claw hook can be used for limiting and locking the screw rod after grasping the workpiece, and the claw hook can be indirectly locked.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems that the existing claw hooks are respectively locked and controlled, and operation is inconvenient and convenient, the invention provides a workpiece pulling-out device.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a work piece draws takes off device, includes first work piece, second work piece, left claw hook, first connecting piece, left screw rod, horizontal pole, pressure axle, swing arm, right screw rod, second connecting piece, round pin axle, pressure head and right claw hook, wherein, the fastening of second work piece is in on the first work piece, left side claw hook with right side claw hook is arranged in on the groove about the horizontal pole was equipped with, and it has left-handed internal thread and dextrorotation internal thread to open on the lug structure that is equipped with, left side screw rod with right side screw rod has left-handed external screw thread and dextrorotation external screw thread to open respectively, left side screw rod screw in the left-handed internal thread of left side claw hook, right side screw rod screw in the dextrorotation internal thread of right claw hook.
Specifically, the left side of the left screw rod is provided with a rotary head, and the right end part of the left screw rod is provided with a groove and a side through hole.
Specifically, the left end part of the right screw rod is milled into two flat surfaces and is provided with a threaded hole in the side surface, and the end head of the right screw rod is inserted into the groove of the right end head of the left screw rod.
Specifically, the first connecting piece is screwed into the left threaded hole of the right screw rod through the right end through hole of the left screw rod.
Specifically, the upper part of the cross rod is provided with a slotted hole, a middle lug arranged on the upper part of the cross rod is provided with two baffles, and the baffles are provided with through holes; the lower part of the pressure shaft is provided with a blind hole, the side surface of the pressure shaft is provided with a side surface hole, the thread part of the pressure shaft is screwed into the thread hole on the cross rod, the hole arranged at the upper part of the pressure shaft is inserted into the rotating rod, the lower part of the pressure shaft is inserted into the pressure head, and the side surface hole is inserted into the pin shaft.
Specifically, the upper part of the pressure head is provided with a pressure head side through hole.
Specifically, the first connecting piece and/or the second connecting piece are/is a screw
The invention has the beneficial effects that: the invention adopts the screw rods with different rotation directions of external threads at two ends to be matched with the claw hooks with different rotation directions of internal threads to realize the synchronous central motion control of the left claw hook and the right claw hook, and the cross rod has a structure for limiting the screw rod to be centered so as to center the screw rod and the claw hooks; the use of workpieces with different center specifications is met by adopting a pressure head replaceable structure; and a screw locking structure is arranged at the other end, so that the claw hook can be used for limiting and locking the screw rod after grasping the workpiece, and the claw hook can be indirectly locked.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic structural view of the left claw hook,
FIG. 3 is a schematic structural view of the left screw,
figure 4 is a schematic view of the cross-bar construction,
figure 5 is a schematic view of the structure of the pressing shaft,
figure 6 is a schematic structural view of the right screw,
fig. 7 is a schematic view of the structure of the indenter.
In the figure: 1 first work piece, 2 second work pieces, 3 left paws hook, 4 first connecting pieces, 5 left screw rods, 6 horizontal rods, 7 pressure shafts, 8 rotating rods, 9 right screw rods, 10 second connecting pieces, 11 pin shafts, 12 pressure heads and 13 right paws hook.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the workpiece pull-off device includes a first workpiece 1, a second workpiece 2, a left claw hook 3 (fig. 2), a first connecting member 4, a left screw 5 (fig. 3), a cross bar 6 (fig. 4), a pressing shaft 7 (fig. 5), a rotating rod 8, a right screw 9 (fig. 6), a second connecting member 10, a pin 11, a pressing head 12 (fig. 7), and a right claw hook 13. Wherein the second workpiece 2 is fastened to the first workpiece 1; the left claw hook 3 and the right claw hook 13 are arranged on left and right grooves on the cross rod 6, and left-handed and right-handed internal threads are formed on the convex block structure; the left screw 5 and the right screw 9 are respectively provided with a left-handed external thread and a right-handed external thread, the left screw 5 is screwed into the left-handed internal thread on the lug structure on the left claw hook 3, the right screw 9 is screwed into the right-handed internal thread on the lug structure on the right claw hook 13, the left side of the left screw 5 is provided with a rotary head and friction increasing treatment is carried out on the rotary head, the right end part is provided with a groove and a side through hole, the left end part of the right screw 9 is milled flat and provided with a threaded hole on the side, the end head of the right screw 9 is inserted into the groove of the right end head of the left screw 5, the first connecting piece 4 is screwed into the left threaded hole of the right screw 9 through the right end; the upper part of the cross bar 6 is provided with a slotted hole, the middle bump is provided with two baffles, and the baffles are provided with through holes; the lower part of the pressure shaft 7 is provided with a blind hole, the side surface is provided with a through hole, the thread part of the pressure shaft is screwed into the thread hole on the cross rod 6, the upper part hole is inserted into the rotating rod 8, the lower part is inserted into the pressure head 12, and the side surface hole is inserted into the pin shaft 11; the upper part of the pressure head 12 is provided with a pressure head side through hole which can be made into seriation.
The working principle of the invention is as follows: as described in the above mechanical configuration, the device was assembled as shown in fig. 1.
The principle of workpiece clamping action: the first workpiece 1 and the second workpiece 2 are placed on the lower portion of the device, the left screw rod 5 is rotated to rotate, the right screw rod 9 is connected through the first connecting piece 4 and is also driven to rotate and is opposite to the rotating direction, the left screw rod 5 and the right screw rod 9 are rotated into the left claw hook 3 and the right claw hook 13 to be converted into linear motion under the action of the rotating force, the left screw rod 5 stops rotating along the transverse rod 6 groove to the middle idler wheel until the clamping portions of the left claw hook 3 and the right claw hook 13 meet the external size of the second workpiece 2, the second connecting piece 10 is screwed at the moment, the right screw rod 9 is locked, and the external clamping action of the second workpiece 2 is completed.
The principle of workpiece pull-off action: and rotating the rotating rod 8, converting the pressing shaft 7 into downward linear motion along with the rotation of the rotating rod 8, and enabling the lower pressing head 12 to linearly move to contact the upper part of the second workpiece 2 and continuously apply downward pressure to finish the pulling-off action of the first workpiece 1 and the second workpiece 2 under the interaction of the left claw hook 3 and the right claw hook 13. The second workpiece 2 can be loosened by rotating the left-handed screw 5 reversely.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A workpiece pull-off device is characterized in that: including first work piece, second work piece, left claw hook, first connecting piece, left screw rod, horizontal pole, pressure axle, swing arm, right screw rod, second connecting piece, round pin axle, pressure head and right claw hook, wherein, the second work piece fastening is in on the first work piece, left side claw hook with right side claw hook is arranged in on the groove about the horizontal pole was equipped with, and it has left-handed internal thread and dextrorotation internal thread to open on the lug structure that is equipped with, left side screw rod with right side screw rod has left-handed external screw thread and dextrorotation external screw thread to open respectively, left side screw rod screw in the left-handed internal thread of left side claw hook, right side screw rod screw in the dextrorotation internal thread of right side claw hook.
2. A workpiece pull-off device as defined in claim 1, further comprising: the left side of the left screw rod is provided with a rotary head, and the right end part of the left screw rod is provided with a groove and a side through hole.
3. A workpiece pull-off device as defined in claim 1, further comprising: the left end of the right screw rod is milled flat on two sides and is provided with a threaded hole on the side surface, and the end head of the right screw rod is inserted into the groove of the right end head of the left screw rod.
4. A workpiece pull-off device as defined in claim 1, further comprising: and the first connecting piece is screwed into the left threaded hole of the right screw rod through the right end through hole of the left screw rod.
5. A workpiece pull-off device as defined in claim 1, further comprising: the upper part of the cross rod is provided with a slotted hole, the middle lug arranged on the cross rod is provided with two baffles, and the baffles are provided with through holes; the lower part of the pressure shaft is provided with a blind hole, the side surface of the pressure shaft is provided with a side surface hole, the thread part of the pressure shaft is screwed into the thread hole on the cross rod, the hole arranged at the upper part of the pressure shaft is inserted into the rotating rod, the lower part of the pressure shaft is inserted into the pressure head, and the side surface hole is inserted into the pin shaft.
6. A workpiece pull-off device as defined in claim 1, further comprising: and a pressure head side through hole is formed in the upper part of the pressure head.
7. A workpiece pull-off device as defined in claim 1, further comprising: the first connecting piece and/or the second connecting piece are/is a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110196160.8A CN112873256A (en) | 2021-02-22 | 2021-02-22 | Workpiece pulling-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110196160.8A CN112873256A (en) | 2021-02-22 | 2021-02-22 | Workpiece pulling-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112873256A true CN112873256A (en) | 2021-06-01 |
Family
ID=76056727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110196160.8A Pending CN112873256A (en) | 2021-02-22 | 2021-02-22 | Workpiece pulling-out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112873256A (en) |
-
2021
- 2021-02-22 CN CN202110196160.8A patent/CN112873256A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205218885U (en) | Rapid clamping device | |
| CN104070496B (en) | A kind of glue nail erecting device of car floor | |
| CN214924521U (en) | Workpiece pulling-out device | |
| CN112873256A (en) | Workpiece pulling-out device | |
| CN213531702U (en) | Clamping device for bolt production and processing | |
| CN203089481U (en) | Anti-backlash and slip-proof mechanism and telescopic arm with same | |
| CN111037599B (en) | Robot finger joint | |
| CN205340859U (en) | Laboratory presss from both sides with arc | |
| CN209491676U (en) | A kind of spiral clamping device | |
| CN215748868U (en) | Spanner convenient to change | |
| CN203956847U (en) | A kind of glue nail erecting device of car floor | |
| CN201516370U (en) | Fast compressing device | |
| CN212045915U (en) | Screw structure for hot feed extruder | |
| CN208179342U (en) | A kind of adjustable dual-head hold-down mechanism | |
| CN213413368U (en) | Compasses capable of locking distance | |
| CN2581419Y (en) | Double nut transmission for screw jack | |
| CN2579609Y (en) | Multifunction movable spanners | |
| CN107701870B (en) | Novel medical limiting device | |
| CN215825238U (en) | Pin remover tool | |
| CN108928174B (en) | Tool bar spanner of ultrasonic engraving machine | |
| CN212044790U (en) | Mechanical arm of robot | |
| CN113618666B (en) | Multi-station wrench | |
| CN216442463U (en) | Petroleum elevator shaft pin taking-out device | |
| CN214290237U (en) | Punch press device for door and window convenient to quick location | |
| CN216028167U (en) | Quick clamping device for lathe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |