CN218285233U - Centering clamping tool - Google Patents
Centering clamping tool Download PDFInfo
- Publication number
- CN218285233U CN218285233U CN202222276319.XU CN202222276319U CN218285233U CN 218285233 U CN218285233 U CN 218285233U CN 202222276319 U CN202222276319 U CN 202222276319U CN 218285233 U CN218285233 U CN 218285233U
- Authority
- CN
- China
- Prior art keywords
- base
- centering
- side clamping
- bottom plate
- clamping
- 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
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a centering clamping tool, which comprises a bottom plate, wherein a base is fixed on the bottom plate, two sides of the base are connected with side clamping plates in a relative rotation manner, the top ends of the side clamping plates are higher than the top end of the base, the bottom ends of the side clamping plates extend into the base and abut against the bottom end of a top block, and a spring is arranged between the top block and an inner top wall of the base in a pressing manner; the bottom of bottom plate has been seted up and has been stepped down the hole, the hole of stepping down is located both sides under the splint looks remote site. In the structure of the utility model, the side clamping plates at the two sides are simultaneously clamped by the acting force of the spring, the workpiece is automatically centered when the workpiece is clamped, and even if the workpiece generates a certain deviation when being placed, the clamping and centering can be completed on the tool again; the side splint top is connected with the briquetting that extends the base top, can cooperate the side splint to increase the centre gripping scope of side splint, increases the suitability of whole frock.
Description
Technical Field
The utility model belongs to the technical field of press from both sides tight frock, in particular to tight frock is pressed from both sides in centering.
Background
When a workpiece is machined, in order to overcome the acting force of machining on the workpiece and ensure higher machining precision, the workpiece needs to be clamped and positioned in the machining process.
The clamping and positioning of the workpiece are generally completed through a clamping tool, the workpiece cannot be centered in the clamping process although the workpiece can be clamped by the conventional clamping tool, the clamping tool can only be suitable for clamping the workpiece with one specification, the workpiece with different specifications needs to be subjected to mold changing when being clamped, the mold changing is troublesome, and the production efficiency is influenced.
How to design a centering and clamping tool, how to increase the centering function of the clamping tool and increase the applicability of the tool becomes a problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing shortcomings in the prior art, an object of the present invention is to provide a centering clamping tool, which is used for solving the problem that the centering of the workpiece cannot be completed by the clamping tool in the prior art.
In order to achieve the purpose, the utility model provides a centering clamping tool, which comprises a bottom plate, wherein a base is fixed on the bottom plate, side clamping plates are connected to two sides of the base in a relative rotating manner, the top ends of the side clamping plates are higher than the top end of the base, the bottom ends of the side clamping plates extend into the base and abut against the bottom end of a top block, and a spring is arranged between the top block and the inner top wall of the base in a pressing manner;
the bottom of bottom plate has been seted up and has been stepped down the hole, the hole of stepping down is located both sides under the splint looks remote site.
By adopting the technical scheme: the bottom ends of the side clamping plates on the two sides of the base can rotate downwards under the matching of the spring and the top block, and the top ends of the side clamping plates can move close to the middle of the top end of the base while the bottom ends rotate downwards, so that a workpiece placed on the base can be clamped, and automatic centering can be realized in the clamping process; the side clamping plates are upwards pushed through the abdicating holes formed in the bottoms of the base plates, so that the top ends of the side clamping plates can outwards turn, the clamping state of the workpiece placed on the top end of the base is relieved, the structure is simple, and the operation is rapid.
In an embodiment of the present invention, both sides of the base are provided with the turnover grooves, and the bottom ends of the turnover grooves on both sides are communicated with each other;
by adopting the technical scheme: the turnover groove provides an installation groove position of the side clamping plates and provides a precondition for linkage of the side clamping plates at two sides.
In an embodiment of the present invention, a rotating shaft is disposed at the lower side of the inner part of the turnover groove, and the side clamping plate is sleeved on the rotating shaft and is rotatably connected with the base through the rotating shaft;
by adopting the technical scheme: the revolving shaft is used as an adapter piece to realize the rotary connection of the side clamping plate and the base.
In an embodiment of the present invention, a pressing block is connected to a side of the top end of the side clamping plate facing the base, and the pressing block extends above the top end of the base;
by adopting the technical scheme: the top end of the side clamping plate is connected with the pressing block, clamping limitation of the side clamping plate is removed, the range of the side clamping plate capable of clamping the workpiece specification is enlarged, and applicability of the whole clamping tool is improved.
In an embodiment of the present invention, a gap is provided between the bottom end of the side clamping plate and the top end of the bottom plate;
by adopting the technical scheme: ensure that the side splint can normally rotate on the base, the bottom plate can not appear and hinder the pivoted problem of side splint.
In an embodiment of the present invention, an installation groove is formed on the inner top wall of the base, the spring is disposed inside the installation groove, and the top block is sleeved on the lower end of the spring;
by adopting the technical scheme: the position of the spring is limited by arranging the mounting groove, the stability of the position of the spring is improved, and the problem that the clamping cannot be completed due to the fact that the spring deviates is avoided.
In an embodiment of the present invention, a pushing rod is disposed inside the abdicating hole in a matching manner, and the pushing rod extends to a position below the bottom plate;
by adopting the technical scheme: the difficulty that the side clamping plate is pushed upwards through the abdicating hole is reduced by adding the push rod, so that the operation difficulty of the whole clamping tool is reduced.
Advantageous effects
In the structure of the utility model, the side clamping plates at the two sides are simultaneously clamped by the acting force of the spring, the workpiece is automatically centered when the workpiece is clamped, and even if the workpiece generates a certain deviation when being placed, the clamping and centering can be completed on the tool again; the top end of the side clamping plate is connected with a pressing block extending above the base, so that the clamping range of the side clamping plate can be enlarged by matching with the side clamping plate, and the applicability of the whole tool is increased; the acting force of the tool is mainly provided by a spring, the whole structure is simple, the use cost is low, and the operation is simple, convenient and quick; the popularization and the application have good economic benefit and social benefit.
Drawings
Fig. 1 is a perspective view of the clamping state of the present invention.
Fig. 2 is a front sectional view of the clamping state of the present invention.
Fig. 3 is a side view of the clamping state of the present invention.
Fig. 4 is a perspective view of the open state of the present invention.
Fig. 5 is a front sectional view of the present invention in an opened state.
Fig. 6 is a side view of the open state of the present invention.
In the figure: 1. a base plate; 2. a side clamping plate; 3. a base; 4. briquetting; 5. a spring; 6. a top block; 7. a rotating shaft; 8. a push rod; 9. a hole of abdication; 10. and (4) overturning the groove.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 6. It should be understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention does not have the substantial technical significance, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1-6, the utility model provides a centering clamping tool, which comprises a bottom plate 1, a base 3 is fixed on the bottom plate 1, two sides of the base 3 are connected with side clamping plates 2 in a relative rotation manner, the top ends of the side clamping plates 2 are higher than the top end of the base 3, the bottom ends of the side clamping plates 2 extend into the base 3 and are abutted against the bottom end of an ejector block 6, and a spring 5 is arranged between the ejector block 6 and the inner top wall of the base 3 in a pressing manner; the bottom of the bottom plate 1 is provided with a abdicating hole 9, and the abdicating hole 9 is positioned right below the opposite ends of the side clamping plates 2 at the two sides; by adopting the technical scheme: the bottom ends of the side clamping plates 2 on the two sides of the base 3 can rotate downwards under the matching of the spring 5 and the top block 6, and the top ends of the side clamping plates 2 can move close to the middle of the top end of the base 3 while the bottom ends rotate downwards, so that a workpiece placed on the base 3 can be clamped, and automatic centering can be realized in the clamping process; the side clamping plate 2 is upwards pushed through the abdicating hole 9 formed in the bottom of the bottom plate 1, so that the top end of the side clamping plate 2 is outwards turned, the clamping state of the workpiece placed on the top end of the base 3 is relieved, the structure is simple, and the operation is fast.
Furthermore, both sides of the base 3 are provided with turnover grooves 10, and the bottom ends of the turnover grooves 10 on both sides are communicated with each other; by adopting the technical scheme: the overturning grooves 10 provide installation groove positions of the side clamping plates 2 and provide preconditions for linkage of the side clamping plates 2 at two sides.
Further, a rotating shaft 7 is arranged at the lower side in the overturning groove 10, and the side clamping plate 2 is sleeved on the rotating shaft 7 and is rotatably connected with the base 3 through the rotating shaft 7; by adopting the technical scheme: the pivot shaft 7 serves as an adapter to achieve the rotational connection of the side clamping plate 2 and the base 3.
Furthermore, one side of the top end of the side clamping plate 2 facing the base 3 is connected with a pressing block 4, and the pressing block 4 extends to the upper part of the top end of the base 3; by adopting the technical scheme: the top end of the side clamping plate 2 is connected with the pressing block 4, so that the clamping limitation of the side clamping plate 2 is removed, the range of the specification of the workpiece which can be clamped by the side clamping plate 2 is increased, and the applicability of the whole clamping tool is increased.
Further, a gap is arranged between the bottom end of the side clamping plate 2 and the top end of the bottom plate 1; by adopting the technical scheme: ensure that side splint 2 can normally rotate on base 3, the problem that bottom plate 1 hinders side splint 2 and rotates can not appear.
Further, an installation groove is formed in the inner top wall of the base 3, the spring 5 is arranged inside the installation groove, and the top block 6 is sleeved at the lower end of the spring 5; by adopting the technical scheme: the position of the spring 5 is limited by arranging the mounting groove, the position stability of the spring 5 is improved, and the problem that clamping cannot be completed due to deviation of the spring 5 is avoided.
Further, the inside of the abdicating hole 9 is provided with a push rod 8 in a matching way, and the push rod 8 extends out to the lower part of the bottom plate 1. By adopting the technical scheme: the difficulty that the side clamping plate 2 is pushed upwards through the abdicating hole 9 is reduced by adding the push rod 8, so that the operation difficulty of the whole clamping tool is reduced.
During specific implementation, the bottom end of the side clamping plate 2 is pushed upwards through the pushing rod 8, so that the top end of the side clamping plate 2 is turned outwards, the pushing force is maintained, then a workpiece is placed above the base 3, the pushing force of the pushing rod 8 is removed, the bottom end of the side clamping plate 2 can rotate downwards under the action of the spring 5 and the ejector block 6, meanwhile, the top ends of the side clamping plates 2 on two sides can be drawn close to the base 3, the workpiece is pushed to the middle position of the base 3 while being drawn close, and finally the workpiece is clamped and fixed in the middle of the top end of the base 3, so that centering clamping of the workpiece is completed; after the workpiece is machined, the bottom end of the side clamping plate 2 is pushed upwards through the pushing rod 8, so that the workpiece can be taken down after the top end of the side clamping plate 2 is turned outwards.
In summary, the utility model provides a centering clamping tool, which can clamp the side clamping plates 2 at the two sides simultaneously by the acting force of the spring 5, and can automatically center the workpiece while clamping the workpiece, so that even if the workpiece generates a certain deviation when being placed, the clamping and centering can be completed on the tool again; the top end of the side clamping plate 2 is connected with a pressing block 4 extending above the base 3, so that the clamping range of the side clamping plate 2 can be enlarged by matching with the side clamping plate 2, and the applicability of the whole tool is increased; the acting force of the tool is mainly provided by the spring 5, the whole structure is simple, the use cost is low, and the operation is simple, convenient and quick; the popularization and the application have good economic benefit and social benefit. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a centering clamping tool, includes bottom plate (1), its characterized in that: a base (3) is fixed on the bottom plate (1), two sides of the base (3) are connected with side clamping plates (2) in a relative rotating mode, the top ends of the side clamping plates (2) are higher than the top end of the base (3), the bottom ends of the side clamping plates (2) extend into the base (3) and are abutted against the bottom end of a top block (6), and a spring (5) is arranged between the top block (6) and the inner top wall of the base (3) in a pressing mode;
the bottom of bottom plate (1) has been seted up and has been stepped down hole (9), step down hole (9) are located both sides under side splint (2) looks remote site.
2. The centering and clamping tool according to claim 1, characterized in that: both sides of the base (3) are provided with turnover grooves (10), and the bottom ends of the turnover grooves (10) are communicated with each other.
3. The centering and clamping tool according to claim 2, characterized in that: a rotating shaft (7) is arranged on the lower side in the overturning groove (10), and the side clamping plate (2) is sleeved on the rotating shaft (7) and is rotatably connected with the base (3) through the rotating shaft (7).
4. The centering and clamping tool according to claim 1, characterized in that: the top of side splint (2) is connected with briquetting (4) towards one side of base (3), briquetting (4) extend the top of base (3).
5. The centering and clamping tool according to claim 1, characterized in that: a gap is arranged between the bottom end of the side clamping plate (2) and the top end of the bottom plate (1).
6. The centering and clamping tool as claimed in claim 1, wherein: the inner top wall of the base (3) is provided with a mounting groove, the spring (5) is arranged inside the mounting groove, and the top block (6) is sleeved at the lower end of the spring (5).
7. The centering and clamping tool according to claim 1, characterized in that: the inside cooperation of hole of stepping down (9) is provided with catch bar (8), catch bar (8) stretch out to the below of bottom plate (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222276319.XU CN218285233U (en) | 2022-08-29 | 2022-08-29 | Centering clamping tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222276319.XU CN218285233U (en) | 2022-08-29 | 2022-08-29 | Centering clamping tool |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218285233U true CN218285233U (en) | 2023-01-13 |
Family
ID=84812704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222276319.XU Active CN218285233U (en) | 2022-08-29 | 2022-08-29 | Centering clamping tool |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218285233U (en) |
-
2022
- 2022-08-29 CN CN202222276319.XU patent/CN218285233U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207255301U (en) | A kind of automobile orifice plate puncher | |
CN218285233U (en) | Centering clamping tool | |
CN206702753U (en) | A kind of boring grab | |
CN218657939U (en) | Double-side milling positioning clamping table for metal shell | |
CN110900253A (en) | Quick positioning fixture for bearing seat machining | |
CN207872873U (en) | Pipe collar casted die mould | |
CN211136386U (en) | Thread type clamp for steering shell | |
CN216838159U (en) | Positioning device convenient for positioning and used for sputtering machine | |
CN210080741U (en) | Tailstock centre for machine tool | |
CN212123633U (en) | Self-centering pottery art fettling clamp | |
CN215697468U (en) | Plate shearing machine location frock | |
CN210274735U (en) | Circuit board fixing mechanism for automatic tin soldering machine | |
CN220837556U (en) | Stamping die | |
CN217254656U (en) | Positioning tool for lathe | |
CN116175140B (en) | Automobile steering knuckle press-fitting device with positioning mechanism and press-fitting method thereof | |
CN216328592U (en) | Be used for even location cutting device of deep cavity thin wall spare | |
CN220921294U (en) | Laser carving jig | |
CN212191638U (en) | Mouse button welding jig | |
CN215357296U (en) | Clamping device capable of adapting to shape of die | |
CN210189106U (en) | Machining clamping jaw | |
CN208614263U (en) | Thin-walled parts face clamping frock clamp | |
CN213257119U (en) | Turning tool for turning driving shell | |
CN220260737U (en) | Heating plate fixing device | |
CN219004128U (en) | Polycrystalline die fixing mechanism with good stability | |
CN215967449U (en) | Special machine tool clamp for rear end cover of engine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |