CN112757188A - Connecting rod self-centering clamp - Google Patents

Connecting rod self-centering clamp Download PDF

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Publication number
CN112757188A
CN112757188A CN202110075942.6A CN202110075942A CN112757188A CN 112757188 A CN112757188 A CN 112757188A CN 202110075942 A CN202110075942 A CN 202110075942A CN 112757188 A CN112757188 A CN 112757188A
Authority
CN
China
Prior art keywords
fixed
clamp
rod
clamping
arm lock
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
Application number
CN202110075942.6A
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Chinese (zh)
Inventor
李永刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Mike Electronics Co ltd
Original Assignee
Suzhou Mike Electronics Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Mike Electronics Co ltd filed Critical Suzhou Mike Electronics Co ltd
Priority to CN202110075942.6A priority Critical patent/CN112757188A/en
Publication of CN112757188A publication Critical patent/CN112757188A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

Abstract

The application discloses connecting rod is from centering anchor clamps, including anchor clamps body, clamping structure and split structure, the lower extreme all is fixed with the axis of rotation on the anchor clamps body. Through the cooperation of the clamping reset cylinder and the connecting rod, the clamp arm and the central moving block are close to the center of a circle of a workpiece synchronously, the movable contact block and the fixed contact block on the clamp arm are clamped after being contacted with the workpiece simultaneously, the self-centering of the workpiece is realized, the problem that the follow-up processing is influenced because the clamp cannot self-center is avoided, the convenience when the clamp is used is improved, through the cooperation of the fixed sleeve rod and the fixed rod, the fixed contact block is conveniently detached from the clamp arm, the movable contact block and the fixed contact block are conveniently replaced, the problem that the clamping is influenced because the movable contact block and the fixed contact block are abraded is avoided, the stability during clamping is ensured, the workpiece is prevented from being damaged because the movable contact block directly impacts the workpiece, the workpiece is protected, and the practicability of.

Description

Connecting rod self-centering clamp
Technical Field
The application relates to a from centering anchor clamps, specifically the connecting rod is from centering anchor clamps.
Background
Many circular workpieces need to be fixed through the anchor clamps centre gripping that drives to have the arc arm lock when the production is man-hour, along with the rapid development of production technology, anchor clamps on the existing market basically satisfy people's daily demand, still exist certain stability.
The common multi-connecting-rod clamp cannot realize the self-centering function, the circle centers of workpieces with different diameters are not in the same position after being clamped, so that when the clamped workpieces are produced and machined, the machining equipment can be adjusted according to the circle center positions of the workpieces due to the fact that the circle center positions are different, the workload of workers is increased, and the convenience of the clamp in use is reduced.
And anchor clamps can contact with the work piece through the contact piece that has anti-skidding protection pad when using, but because contact piece contacts with the work piece for a long time, probably produce wearing and tearing, lead to anchor clamps stable inadequately and the maintenance can not be changed alone to the contact piece on the current arm lock when the centre gripping, and anchor clamps when pressing from both sides tightly, can push through the tight cylinder that resets and remove the center movable block removal and carry out the centre gripping, but because a center movable block is in the activity of removing repeatedly, can take place the striking with anchor clamps. Therefore, a connecting rod self-centering clamp is proposed to solve the above problems.
Disclosure of Invention
The connecting rod self-centering clamp comprises a clamp body and a clamping structure splitting structure, wherein the upper end and the lower end of the clamp body are both fixed with rotating shafts;
the clamping structure comprises clamping arms, the side edge of the clamp body is connected with a clamping reset cylinder through a bolt, a central moving block is connected in the clamp body in a sliding mode, the clamping arms are symmetrically and rotatably connected to the clamp body on the side edge of the central moving block, one ends of the clamping arms on the clamp body are all rotatably provided with connecting rods, the other ends of the connecting rods are all rotatably connected with the central moving block, the front end and the rear end of the central moving block are symmetrically fixed with movable contact blocks through bolts, and the other ends of the clamping arms are all clamped with fixed contact blocks;
the splitting structure comprises a fixed loop bar, one end of the fixed contact block close to the clamping arm is fixed with the fixed loop bar, the fixed sleeve rods are inserted into the clamping arms, the fixed sleeve rod ends in the clamping arms are all sleeved with the fixed rods, the other end of the fixed rod extends to the outer side of the clamping arm, the fixed loop bar is internally provided with a moving groove matched with the fixed rod, the fixed loop bar at the side edge of the fixed rod is internally connected with a moving plate in a sliding way, first springs are fixed between the moving plate and the fixed loop bars, connecting rods are fixed at the upper end and the lower end of the central moving block, the clamp body is internally provided with first sliding chutes matched with the connecting rods, the outer ends of the connecting rods are all fixed with sliding blocks, the inside second spout that has with slider complex of all seting up of anchor clamps body, the inside sliding connection all has the buffer block all of the second spout of slider both sides, and all is fixed with the second spring between buffer block outer end and the second spring lateral wall.
Furthermore, all set up on the anchor clamps body with arm lock complex motion trail guide way, the arm lock uses the junction to be dot seat circular motion.
Furthermore, the clamping arms are internally provided with placing grooves matched with the fixing loop bars, and the lengths of the outer ends of the fixing rods are all larger than those of the placing grooves.
Further, the arm lock all sets up to the arc of mutually supporting with the removal contact piece, fixed contact piece all sets up to arm lock complex slope form.
Furthermore, the fixed contact blocks are all arranged to be L-shaped and matched with the clamping arms and placed transversely, and the height of the fixed contact blocks is smaller than that of the clamping arms.
Furthermore, the fixed loop bar is internally provided with inverted T-shaped grooves matched with the fixed bar, and the heights of the first springs are equal to the heights of the T-shaped grooves.
Furthermore, the fixed rods are all arranged in an I shape, and the top ends of the fixed sleeve rods are all provided with clamping grooves matched with the fixed rods.
Furthermore, the diameter width of the fixed rod is smaller than that of the clamping arm, and the diameter length of the movable plate is larger than that of the inner end of the fixed rod.
Furthermore, the length of the first sliding groove is smaller than that of the second sliding groove, and the width of the sliding block is larger than that of the first sliding groove.
Furthermore, the width of the buffer block is larger than that of the first sliding groove, and the length of the second spring is larger than the length from the end of the first sliding groove to the end of the second spring.
The beneficial effect of this application is: the application provides a connecting rod is from centering anchor clamps.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic view of a structural body according to an embodiment of the present application;
FIG. 3 is a schematic sectional elevation view of a portion of a clamp arm according to an embodiment of the present application;
FIG. 4 is a schematic sectional front view of a portion of a clamp body according to an embodiment of the present disclosure;
fig. 5 is a schematic top view of a fixed contact block according to an embodiment of the present application.
In the figure: 1. the clamp comprises a clamp body, 2, a rotating shaft, 3, a clamping reset cylinder, 4, clamping arms, 5, a connecting rod, 6, a central moving block, 7, a moving contact block, 8, a fixed contact block, 9, a fixed sleeve rod, 10, a fixed rod, 11, a moving groove, 12, a moving plate, 13, a first spring, 14, a connecting rod, 15, a first sliding groove, 16, a sliding block, 17, a second sliding groove, 18, a buffer block, 19 and a second spring.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-4, the connecting rod self-centering clamp includes a clamp body 1, a clamping structure and a splitting structure, wherein the upper end and the lower end of the clamp body 1 are both fixed with a rotating shaft 2;
the clamping structure comprises clamping arms 4, the side edge of the clamp body 1 is connected with a clamping reset cylinder 3 through a bolt, a central moving block 6 is connected in the clamp body 1 in a sliding mode, the clamping arms 4 are symmetrically and rotatably connected to the clamp body 1 on the side edge of the central moving block 6, one ends of the clamping arms 4 on the clamp body 1 are all rotatably provided with connecting rods 5, the other ends of the connecting rods 5 are all rotatably connected with the central moving block 6, the front end and the rear end of the central moving block 6 are symmetrically fixed with movable contact blocks 7 through bolts, and the other ends of the clamping arms 4 are all clamped with fixed contact blocks 8;
the splitting structure comprises a fixed loop bar 9, one end of each fixed contact block 8 close to the clamping arm 4 is fixedly provided with a fixed loop bar 9, the fixed loop bars 9 are inserted into the clamping arms 4, the ends of the fixed loop bars 9 in the clamping arms 4 are all sleeved with fixed rods 10, the other ends of the fixed rods 10 extend to the outer sides of the clamping arms 4, the fixed loop bars 9 are all provided with moving grooves 11 matched with the fixed rods 10, the fixed loop bars 9 at the sides of the fixed rods 10 are all connected with a moving plate 12 in a sliding manner, a first spring 13 is fixed between the moving plate 12 and the fixed loop bars 9, the upper end and the lower end of the central moving block 6 are all fixedly provided with connecting rods 14, the clamp body 1 is all provided with first sliding grooves 15 matched with the connecting rods 14, the outer ends of the connecting rods 14 are all fixedly provided with sliding blocks 16, the clamp body 1 is all provided with second sliding grooves 17 matched with the sliding, the inside of the second sliding chute 17 at both sides of the sliding block 16 is connected with a buffer block 18 in a sliding manner, and a second spring 19 is fixed between the outer end of the buffer block 18 and the side wall of the second spring 19.
The clamp body 1 is provided with motion trail guide grooves matched with the clamping arms 4, and the clamping arms 4 move circularly by taking joints as dot bases, so that the clamping arms 4 can stably move to clamp workpieces; the inner parts of the clamping arms 4 are provided with placing grooves matched with the fixing loop bars 9, the lengths of the outer ends of the fixing rods 10 are larger than those of the placing grooves, so that the fixing loop bars 9 can be conveniently inserted into the clamping arms 4, and the outer ends of the fixing rods 10 can be enabled to be abutted against the clamping arms 4, and therefore the fixing contact blocks 8 can be conveniently fixed on the clamping arms 4; the clamping arm 4 and the movable contact block 7 are both arranged into arc shapes matched with each other, and the fixed contact block 8 is arranged into an inclined shape matched with the clamping arm 4, so that the clamping arm 4 and the movable contact block 7 can be conveniently matched for clamping; the fixed contact blocks 8 are all arranged in an L shape which is matched with the clamping arms 4 and is transversely arranged, and the heights of the fixed contact blocks 8 are all smaller than the heights of the clamping arms 4; the fixing sleeve rod 9 is internally provided with inverted T-shaped grooves matched with the fixing rod 10, and the heights of the first springs 13 are equal to those of the T-shaped grooves, so that the fixing rod 10 can be pushed by the first springs 13 to abut against the inside of the fixing sleeve rod 9, and the fixing contact block 8 can be conveniently fixed on the clamping arm 4; the fixing rods 10 are all arranged in an I shape, and the top ends of the fixing sleeve rods 9 are all provided with clamping grooves matched with the fixing rods 10; the diameter and width of the fixed rods 10 are smaller than the width of the clamping arms 4, the diameter and length of the movable plate 12 are larger than the length of the inner ends of the fixed rods 10, and the fixed rods 10 are prevented from influencing the normal use of the clamping arms 4; the lengths of the first sliding grooves 15 are all smaller than the length of the second sliding grooves 17, and the widths of the sliding blocks 16 are all larger than the width of the first sliding grooves 15, so that the sliding blocks 16 can only slide in the second sliding grooves 17; the width of buffer block 18 all is greater than the width of first spout 15, the length of second spring 19 all is greater than first spout 15 end to the length between the 19 end of second spring, when avoiding buffer block 18 to move the inside second spout 17 of child's first spout 15 top, and first spout 15 influences the normal removal of buffer block 18.
When the self-centering clamp is used and needs to be clamped, the central moving block 6 makes reciprocating motion in a groove at the center of the clamp body 1, the clamping arms 4 make circular motion around a fixed point on the body, the connecting rod 5 is connected with the central moving block 6 and the clamping arms 4, the central moving block 6 is provided with a front moving contact block and a rear moving contact block 7, the rotating shafts 2 at two sides can enable the clamp and a workpiece to rotate for a certain angle after being matched with bearings, when the clamping reset cylinder 3 pushes the central moving block 6 to advance, the connecting rod 5 transmits motion to the clamping arms 4, the clamping arms 4 and the central moving block 6 are enabled to be close to the center of the workpiece synchronously, the moving contact blocks 7 and the fixed contact blocks 8 on the clamping arms 4 simultaneously contact the workpiece and then clamp, so that the self-centering of the workpiece is realized, when the central moving block 6 moves, the connecting rod 14 at the upper end and the lower end, the slide block 16 is firstly contacted with the buffer block 18, the slide block 16 compresses the second spring 19 through the buffer block 18 while moving, partial extrusion force can be counteracted through the reaction force generated by the deformation of the second spring 19, the vibration generated by the direct impact of the movable contact block 7 and a workpiece is avoided, the damage to the workpiece caused by clamping is avoided, when the movable contact block 7 and the fixed contact block 8 are used for a long time and need to be maintained and replaced, the fixed rod 10 is pressed, the inner part of the fixed rod 10 compresses the first spring 13 through the movable plate 12 to move towards the inner part of the fixed loop bar 9, when the fixed rod 10 moves out of the clamping groove, the fixed rod 10 is rotated, after the fixed rod 10 is aligned with the movable groove 11, the fixed rod 10 and the fixed loop bar 9 are pulled out from the inner part of the clamping arm 4, the fixed contact block 8 can be replaced, the movable contact block 7 can be replaced by screwing the bolt, can through the bolt fastening once more, after the completion is changed to fixed contact piece 8, place fixed contact piece 8 block east side in arm lock 4 to inside inserting fixed loop bar 9 the standing groove, rethread shifting chute 11 inserts fixed loop bar 9 with dead lever 10 inside, press dead lever 10, and rotate dead lever 10 to align with the block, loosen dead lever 10, make dead lever 10 under the promotion of first spring 13 butt can inside the draw-in groove.
The application has the advantages that:
1. the clamping device is simple in structure and convenient to operate, the clamping reset cylinder 3 is matched with the connecting rod 5, the clamping arm 4 and the central moving block 6 are enabled to be close to the center of a circle of a workpiece synchronously, the moving contact block 7 and the fixed contact block 8 on the clamping arm 4 are contacted with the workpiece simultaneously and then clamped, the self-centering of the workpiece is realized, the problem that the subsequent processing is influenced due to the fact that the clamp cannot self-center is solved, and the convenience in use of the clamp is improved;
2. the clamping device is reasonable in structure, the fixed contact block 8 can be conveniently detached from the clamping arm 4 through the matching of the fixed sleeve rod 9 and the fixed rod 10, so that the movable contact block 7 and the fixed contact block 8 can be conveniently replaced, the problem that the clamping is influenced due to the abrasion of the movable contact block 7 and the fixed contact block 8 is avoided, and the stability during clamping is ensured;
3. this application is rational in infrastructure, through the cooperation of buffer block 18 and second spring 19, cushions protection to central movable block 6 and removal contact block 7, avoids removing contact block 7 and directly strikes the work piece and causes the work piece to damage to protect the work piece, improved the practicality of anchor clamps.
The internal structure of the clamping reset cylinder belongs to the prior art, so that the internal structure is not described in the application document.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. Connecting rod is from centering anchor clamps, its characterized in that: the clamp comprises a clamp body (1), a clamping structure and a splitting structure, wherein the upper end and the lower end of the clamp body (1) are both fixed with rotating shafts (2);
the clamping structure comprises clamping arms (4), the side edge of the clamp body (1) is connected with a clamping reset cylinder (3) through a bolt, a central moving block (6) is connected to the inside of the clamp body (1) in a sliding mode, the clamping arms (4) are connected to the clamp body (1) on the side edge of the central moving block (6) in a rotating mode symmetrically, one end of each clamping arm (4) on the clamp body (1) is provided with a connecting rod (5) in a rotating mode, the other end of each connecting rod (5) is connected with the corresponding central moving block (6) in a rotating mode, the front end and the rear end of each central moving block (6) are symmetrically fixed with a movable contact block (7) through bolts, and the other ends.
2. The connecting rod self-centering clamp of claim 1, wherein: the split structure is including fixed loop bar (9), the one end that fixed contact piece (8) are close to arm lock (4) all is fixed with fixed loop bar (9), and fixed loop bar (9) all insert establish to arm lock (4) inside, dead lever (10) have all been cup jointed to fixed loop bar (9) end inside arm lock (4), and the dead lever (10) other end all extends to the arm lock (4) outside, fixed loop bar (9) are inside all seted up with dead lever (10) complex shifting chute (11), fixed loop bar (9) of dead lever (10) side are inside all sliding connection have movable plate (12), and all are fixed with first spring (13) between movable plate (12) and fixed loop bar (9).
3. The connecting rod self-centering clamp of claim 1, wherein: all set up on anchor clamps body (1) with arm lock (4) complex movement track guide way, arm lock (4) use the junction to be dot seat circular motion, arm lock (4) inside all set up with fixed loop bar (9) complex standing groove, the length of dead lever (10) outer end all is greater than the length of standing groove.
4. The connecting rod self-centering clamp of claim 1, wherein: arm lock (4) and removal contact block (7) all set up to the arc of mutually supporting, fixed contact block (8) all set up to arm lock (4) complex slope form.
5. The connecting rod self-centering clamp of claim 1, wherein: fixed contact piece (8) all set up to "L" shape of transversely placing with arm lock (4) complex, the height of fixed contact piece (8) all is less than the height of arm lock (4).
6. The connecting rod self-centering clamp of claim 1, wherein: the fixing sleeve rod (9) is internally provided with inverted T-shaped grooves matched with the fixing rod (10), and the heights of the first springs (13) are equal to the heights of the T-shaped grooves.
7. The connecting rod self-centering clamp of claim 1, wherein: the fixing rods (10) are all arranged in an I shape, and clamping grooves matched with the fixing rods (10) are formed in the top ends of the fixing sleeve rods (9).
8. The connecting rod self-centering clamp of claim 1, wherein: the diameter width of the fixed rod (10) is smaller than that of the clamping arm (4), and the diameter length of the movable plate (12) is larger than that of the inner end of the fixed rod (10).
CN202110075942.6A 2021-01-20 2021-01-20 Connecting rod self-centering clamp Pending CN112757188A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110075942.6A CN112757188A (en) 2021-01-20 2021-01-20 Connecting rod self-centering clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110075942.6A CN112757188A (en) 2021-01-20 2021-01-20 Connecting rod self-centering clamp

Publications (1)

Publication Number Publication Date
CN112757188A true CN112757188A (en) 2021-05-07

Family

ID=75703572

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110075942.6A Pending CN112757188A (en) 2021-01-20 2021-01-20 Connecting rod self-centering clamp

Country Status (1)

Country Link
CN (1) CN112757188A (en)

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