CN220260297U - Double-hole synchronous clamp - Google Patents
Double-hole synchronous clamp Download PDFInfo
- Publication number
- CN220260297U CN220260297U CN202322174011.9U CN202322174011U CN220260297U CN 220260297 U CN220260297 U CN 220260297U CN 202322174011 U CN202322174011 U CN 202322174011U CN 220260297 U CN220260297 U CN 220260297U
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- driving
- rod
- push rod
- rods
- ejector
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 18
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a double-hole synchronous clamp, which comprises a frame, ejector rods, expansion chucks and driving rods, wherein the two ejector rods are respectively arranged at two sides of the frame and can be vertically and slidably inserted on the frame; the two expansion chucks are respectively in one-to-one correspondence with the two ejector rods, the expansion chucks are arranged in a hollow mode, one end of each expansion chuck is fixed below the frame, the other end of each expansion chuck is free, the ejector rods are inserted into the expansion chucks, and the ejector rods can slide in the expansion chucks to prop open or loosen the expansion chucks; the driving rod is provided with two, two driving rods respectively with two ejector pins one-to-one, one end of driving rod and the tip of ejector pin rotate to be connected, and the other end rotates to be connected to same push rod, and the push rod can be along vertical direction lift. The two ejector rods are synchronously driven to synchronously slide, so that the two expansion chucks can synchronously spread and clamp a workpiece, or synchronously loosen and take out the clamp from the workpiece.
Description
Technical Field
The utility model relates to the technical field of tool clamps, in particular to a double-hole synchronous clamp.
Background
The workpiece with partial characteristic holes is generally clamped by a hole positioning mode, however, for the workpiece with more than two special holes and larger volume, if the workpiece is still positioned by a single characteristic hole, the workpiece is easy to be clamped unstably, and the workpiece is offset, at this time, if one clamp is additionally added for simultaneously positioning two characteristic holes, synchronous clamping or synchronous loosening between a plurality of clamps cannot be ensured, and the working efficiency is affected.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a double-hole synchronous clamp which can synchronously clamp or unclamp a workpiece with two holes.
According to the embodiment of the first aspect of the utility model, the double-hole synchronous clamp comprises a rack, two ejector rods, an expansion chuck and a driving rod, wherein the two ejector rods are respectively arranged at two sides of the rack, and the ejector rods can be vertically and slidably inserted on the rack; the two expansion chucks are respectively in one-to-one correspondence with the two ejector rods, the expansion chucks are arranged in a hollow mode, one end of each expansion chuck is fixed below the frame, the other end of each expansion chuck is free, the ejector rods are inserted into the expansion chucks, and the ejector rods can slide in the expansion chucks to prop up or release the expansion chucks; the driving rod is provided with two, two the driving rod respectively with two the ejector pin one-to-one, the one end of driving rod with the tip rotation of ejector pin is connected, and the other end rotates to be connected to same push rod, the push rod can follow vertical direction and go up and down.
The double-hole synchronous clamp provided by the embodiment of the utility model has at least the following beneficial effects: the two driving rods are synchronously driven by the push rods, and the two push rods are indirectly and synchronously driven to synchronously slide, so that the two expansion chucks can synchronously spread and clamp a workpiece, or synchronously loosen and take out the clamp from the workpiece.
According to some embodiments of the present utility model, a line connecting two rotation centers of the driving rods is used as a swinging line, lengths of the two swinging lines of the two driving rods are identical, the two driving rods are always symmetrically arranged with the push rod as a central axis, and one ends of the two swinging lines, which are close to the push rod, are overlapped.
According to some embodiments of the utility model, a rotating seat is arranged at the upper end of the frame, the driving rod is rotationally connected with the rotating seat, the rotation centers of the driving rod and the rotating seat are positioned on the swinging line, and the two rotating seats are symmetrically arranged by taking the push rod as a central axis.
According to some embodiments of the utility model, one end of the push rod is connected with a driving cylinder, and the driving cylinder is used for driving the push rod to lift up and down.
According to some embodiments of the utility model, the driving cylinder is provided with a piston rod for outputting a driving force, and the piston rod is fixedly connected with an end of the push rod.
According to some embodiments of the utility model, the end of the piston rod is provided with a screw hole, the end of the push rod is provided with a bolt, and the bolt is inserted into the screw hole and meshed with the screw hole.
According to some embodiments of the utility model, a guide sleeve is connected between the driving cylinder and the frame, and the push rod is inserted into the guide sleeve and is in sliding fit with the guide sleeve.
According to some embodiments of the present utility model, the side edge of the guide sleeve is provided with a mounting hole in a penetrating manner, the mounting hole penetrates from one side close to one driving rod to one side close to the other driving rod, and two driving rods are respectively inserted into the mounting holes from two sides of the guide sleeve and are rotatably connected with the push rod.
According to some embodiments of the utility model, the surface of the push rod is provided with two first sliding blocks, one end of the driving rod, which is rotationally connected with the push rod, is provided with a first waist-shaped groove, the first sliding blocks are rotatably arranged in the first waist-shaped groove, and the first sliding blocks can slide in the first waist-shaped groove.
According to some embodiments of the utility model, a second slider is disposed at an upper end portion of the ejector rod, a second waist-shaped groove is disposed at one end of the driving rod rotationally connected with the ejector rod, the second slider is rotatably disposed in the second waist-shaped groove, and the second slider can slide in the second waist-shaped groove.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a dual hole synchronization fixture according to an embodiment of the present utility model;
fig. 2 is a schematic cross-sectional view of a dual hole synchronization fixture according to an embodiment of the present utility model.
100. A frame; 110. a rotating seat; 120. guide sleeve; 121. a mounting hole; 200. a push rod; 210. a second slider; 300. an expansion collet; 400. a driving rod; 410. a first waist-shaped groove; 420. a second waist-shaped groove; 500. a push rod; 510. a driving cylinder; 511. a piston rod; 520. a first slider;
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 2, the dual-hole synchronous clamp of the embodiment of the present utility model includes a frame 100, a push rod 200, an expansion chuck 300 and a driving rod 400, wherein the push rod 200 is provided with two push rods, the two push rods 200 are respectively provided at two sides of the frame 100, and the push rod 200 is vertically slidably inserted on the frame 100; the two expansion chucks 300 are arranged, the two expansion chucks 300 are respectively in one-to-one correspondence with the two ejector rods 200, the expansion chucks 300 are arranged in a hollow mode, one end of each expansion chuck 300 is fixed below the frame 100, the other end of each expansion chuck is free, the ejector rods 200 are inserted into the expansion chucks 300, and the ejector rods 200 can slide in the expansion chucks 300 to open or loosen the expansion chucks 300; the driving rods 400 are provided with two driving rods 400, the two driving rods 400 are respectively in one-to-one correspondence with the two ejector rods 200, one end of each driving rod 400 is rotationally connected with the end part of each ejector rod 200, the other end of each driving rod 400 is rotationally connected to the same push rod 500, and the push rods 500 can lift along the vertical direction.
In actual use, the two ejector rods 200 are aligned to the two positioning holes of the workpiece, so that the end parts of the expansion chucks 300 are inserted into the positioning holes, the ejector rod 500 is pushed, the ejector rod 500 is lifted, the two driving rods 400 are driven to be connected with the lower hem of one end of the ejector rod 200, the ejector rod 200 is lowered to prop up the two expansion chucks 300, and particularly, the ejector rod 200 is extended to one end of the free end of the expansion chuck 300, so that the whole expansion chuck 300 is propped up, the expansion chuck 300 can prop up the two positioning holes of the workpiece, and clamping positioning is completed; conversely, on the other hand, the push rod 500 may be moved downward and the push rod 200 may be raised to release the expansion collet 300, such that the expansion collet 300 may be released to facilitate removal of the expansion collet 300 from the pilot hole of the workpiece.
To sum up, the push rod 500 is used to synchronously drive the two driving rods 400, and indirectly synchronously drive the two push rods 200 to synchronously slide, so that the two expansion chucks 300 can synchronously open and clamp the workpiece, or synchronously unclamp and take out the clamp from the workpiece.
Specifically, when the driving lever 400 swings, a pivot is required, for this purpose, the upper end of the frame 100 is provided with a rotating seat 110, the driving lever 400 is rotationally connected with the rotating seat 110, the rotation centers of the driving lever 400 and the rotating seat 110 are located on the swinging line, and the two rotating seats 110 are symmetrically arranged with the push rod 500 as a central axis. The driving rods 400 at two sides of the push rod 500 can synchronously swing around the rotating seat 110, and further, a connecting line of two rotating centers of the driving rods 400 is used as a swinging line, the lengths of the two swinging lines of the two driving rods 400 are consistent, the two driving rods 400 are always symmetrically arranged by taking the push rod 500 as a central axis, and one ends of the two swinging lines, which are close to the push rod 500, are overlapped. When the two driving rods 400 at two sides of the push rod 500 are completely symmetrical, and the driving rods 400 at two sides are driven to swing when the push rod 500 moves up and down, the swinging angles of the two driving rods 400 are consistent, and the synchronism is further improved.
In some embodiments, a driving cylinder 510 is connected to one end of the push rod 500, and the driving cylinder 510 is used to drive the push rod 500 to lift up and down.
It should be noted that the driving cylinder 510 is provided with a piston rod 511 for outputting a driving force, and the piston rod 511 is fixedly connected to an end of the push rod 500. So that the plunger 500 is directly driven to move by the plunger 511, and further, the end of the plunger 511 is provided with a screw hole, and the end of the plunger 500 is provided with a bolt inserted into and engaged with the screw hole. And fixedly connects the piston rod 511 and the push rod 500.
Preferably, a guide sleeve 120 is connected between the driving cylinder 510 and the frame 100, and the push rod 500 is inserted into the guide sleeve 120 and is in sliding fit with the guide sleeve 120. It should be emphasized that the side edge of the guide sleeve 120 is provided with a mounting hole 121 in a penetrating manner, the mounting hole 121 penetrates from one side close to one of the driving rods 400 to one side close to the other driving rod 400, and the two driving rods 400 are respectively inserted into the mounting hole 121 from two sides of the guide sleeve 120 and are rotatably connected with the push rod 500. To avoid the interference between the guide sleeve 120 and the two driving rods 400, specifically, the space provided by the mounting holes 121 is utilized to avoid the structural interference between the driving rods 400 and the guide sleeve 120 during the swinging process of the driving rods 400.
In addition, in order to avoid the movement interference between the push rod 500 and the driving rod 400, two first sliding blocks 520 are provided on the surface of the push rod 500, a first waist-shaped groove 410 is provided at one end of the driving rod 400 rotationally connected with the push rod 500, the first sliding blocks 520 are rotatably built in the first waist-shaped groove 410, and the first sliding blocks 520 can slide in the first waist-shaped groove 410, so that the first sliding blocks 520 can move along the first waist-shaped groove 410 while rotating in the first waist-shaped groove 410, and enough movement space is improved.
Similarly, the second slider 210 is disposed at the upper end of the ejector rod 200, the second waist-shaped groove 420 is disposed at one end of the driving rod 400 rotationally connected with the ejector rod 200, the second slider 210 is rotatably disposed in the second waist-shaped groove 420, and the second slider 210 can slide in the second waist-shaped groove 420, so that the second slider 210 can rotate in the second waist-shaped groove 420 and can move along the second waist-shaped groove 420, and enough activity space is increased.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A dual hole synchronizing fixture, comprising:
a frame (100);
the two ejector rods (200) are arranged, the two ejector rods (200) are respectively arranged at two sides of the frame (100), and the ejector rods (200) can be vertically and slidably inserted on the frame (100);
the expansion clamping heads (300) are arranged, the two expansion clamping heads (300) are respectively in one-to-one correspondence with the two ejector rods (200), the expansion clamping heads (300) are arranged in a hollow mode, one end of each expansion clamping head (300) is fixed below the machine frame (100), the other end of each expansion clamping head is free, the ejector rods (200) are inserted into the expansion clamping heads (300), and the ejector rods (200) can slide in the expansion clamping heads (300) to open or loosen the expansion clamping heads (300);
the driving rod (400) is provided with two, two driving rod (400) respectively with two ejector pin (200) one-to-one, one end of driving rod (400) with the tip of ejector pin (200) rotates to be connected, and the other end rotates to be connected to same push rod (500), push rod (500) can follow vertical direction and go up and down.
2. The double-hole synchronous clamp according to claim 1, wherein a connecting line of two rotation centers of the driving rods (400) is used as a swinging line, the lengths of the two swinging lines of the two driving rods (400) are consistent, the two driving rods (400) are symmetrically arranged all the time by taking the push rod (500) as a central axis, and one ends of the two swinging lines, which are close to the push rod (500), are overlapped.
3. The double-hole synchronous clamp according to claim 2, wherein a rotating seat (110) is arranged at the upper end of the frame (100), the driving rod (400) is rotationally connected with the rotating seat (110), the rotation centers of the driving rod (400) and the rotating seat (110) are positioned on the swinging line, and the two rotating seats (110) are symmetrically arranged by taking the push rod (500) as a central axis.
4. The double-hole synchronous clamp according to claim 1, wherein one end of the push rod (500) is connected with a driving cylinder (510), and the driving cylinder (510) is used for driving the push rod (500) to lift up and down.
5. The double-hole synchronizing clamp according to claim 4, characterized in that the driving cylinder (510) is provided with a piston rod (511) for outputting a driving force, the piston rod (511) being fixedly connected with an end of the push rod (500).
6. The double-hole synchronous clamp according to claim 5, wherein the end of the piston rod (511) is provided with a screw hole, the end of the push rod (500) is provided with a bolt, and the bolt is inserted into the screw hole and meshed with the screw hole.
7. The double-hole synchronous clamp according to claim 4, wherein a guide sleeve (120) is connected between the driving cylinder (510) and the frame (100), and the push rod (500) is inserted into the guide sleeve (120) and is in sliding fit with the guide sleeve (120).
8. The double-hole synchronous clamp according to claim 7, wherein the side edge of the guide sleeve (120) is provided with a mounting hole (121) in a penetrating manner, the mounting hole (121) penetrates from one side close to one driving rod (400) to one side close to the other driving rod (400), and two driving rods (400) are respectively inserted into the mounting hole (121) from two sides of the guide sleeve (120) and are rotatably connected with the push rod (500).
9. The double-hole synchronous clamp according to claim 1, wherein two first sliding blocks (520) are arranged on the surface of the push rod (500), a first waist-shaped groove (410) is arranged at one end, rotatably connected with the push rod (500), of the driving rod (400), the first sliding blocks (520) are rotatably arranged in the first waist-shaped groove (410), and the first sliding blocks (520) can slide in the first waist-shaped groove (410).
10. The double-hole synchronous clamp according to claim 1 or 9, wherein a second slider (210) is provided at an upper end portion of the ejector rod (200), a second waist-shaped groove (420) is provided at one end of the driving rod (400) rotatably connected with the ejector rod (200), the second slider (210) is rotatably built in the second waist-shaped groove (420), and the second slider (210) can slide in the second waist-shaped groove (420).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174011.9U CN220260297U (en) | 2023-08-11 | 2023-08-11 | Double-hole synchronous clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174011.9U CN220260297U (en) | 2023-08-11 | 2023-08-11 | Double-hole synchronous clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220260297U true CN220260297U (en) | 2023-12-29 |
Family
ID=89300959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322174011.9U Active CN220260297U (en) | 2023-08-11 | 2023-08-11 | Double-hole synchronous clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220260297U (en) |
-
2023
- 2023-08-11 CN CN202322174011.9U patent/CN220260297U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 46 Shoubian Society, Second Farm, Houxi Town, Jimei District, Xiamen City, Fujian Province, 361100 Patentee after: Xiamen rushou Intelligent Technology Co.,Ltd. Address before: No. 13 Longquan Qian'an Dingli, Hongtang Town, Tong'an District, Xiamen City, Fujian Province, 361100 Patentee before: Xiamen rushou Intelligent Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |