CN211805014U - Clamp for clamping square bearing seat - Google Patents
Clamp for clamping square bearing seat Download PDFInfo
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- CN211805014U CN211805014U CN201922434733.7U CN201922434733U CN211805014U CN 211805014 U CN211805014 U CN 211805014U CN 201922434733 U CN201922434733 U CN 201922434733U CN 211805014 U CN211805014 U CN 211805014U
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- clamping jaw
- clamping
- seat
- clamp
- telescopic rod
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Abstract
The utility model provides a clamp for clamping a square bearing seat, which comprises a mounting seat, wherein a vertical telescopic cylinder is fixedly arranged at the upper part of the mounting seat, two sliders which are arranged in opposite directions are slidably arranged at the lower part of the mounting seat, and a telescopic rod of the telescopic cylinder faces to the middle position of the two sliders; two L-shaped shifting forks are symmetrically arranged on two sides of the telescopic rod, the middle parts of the shifting forks are rotatably arranged on the mounting seat, and two ends of each shifting fork are respectively connected to the telescopic rod and the sliding block; the lower part of the inner side of one sliding block is fixedly provided with a first clamping jaw, and the lower part of the inner side of the other sliding block is movably provided with a second clamping jaw. The sliding blocks which are oppositely arranged are driven to gather or separate by the telescopic cylinder and the shifting fork, so that the structure is simple, and the processing and the assembly are convenient; the clamping jaw capable of floating is arranged on the sliding block, so that the clamping jaw can be matched with the two side edges of the square seat which are not parallel, the square seat can be firmly clamped, the adaptability is strong, the operation and the use are convenient, the clamping effect of the square seat is good, and the milled flatness is higher.
Description
Technical Field
The utility model relates to a flat miller's anchor clamps, concretely relates to an anchor clamps for pressing from both sides get square bearing frame.
Background
At present, the bottom surfaces of F-shaped bearing seats are machined on a lathe, manual loading and unloading are needed, the planeness of machined workpieces is low, tools are quickly abraded, and the F-shaped bearing seats are connected with other machine tools to form an automatic line, so that the cost is very high. In addition, the existing F-shaped bearing seat is powder-sprayed, the shape is smooth, the opposite sides of the square seat added with the F-shaped bearing seat are not completely parallel, and the F-shaped bearing seat is difficult to clamp by a common clamp. Therefore, a clamp which is used for a special plane milling machine, realizes the clamping and the releasing of an F-shaped bearing seat workpiece and has the capability of adjusting the position of a clamping jaw along the unparallel opposite sides is to be designed; the F-shaped bearing seat is a square seat, casting errors exist on four sides of the square seat, and the four sides of the square seat are not completely parallel, so that a clamping jaw of the clamp is required to have a floating function so as to be matched with two opposite sides of the square seat, which are not parallel.
SUMMERY OF THE UTILITY MODEL
The utility model provides a demand to among the prior art, the utility model provides an anchor clamps for pressing from both sides get square bearing frame for firmly press from both sides tight square seat nonparallel both sides opposite side, thereby make external equipment mill the mounting plane of F type bearing frame.
A clamp for clamping a square bearing seat is characterized in that: the telescopic device comprises a mounting seat, wherein a vertical telescopic cylinder is fixedly mounted at the upper part of the mounting seat, two opposite sliding blocks are slidably mounted at the lower part of the mounting seat, and a telescopic rod of the telescopic cylinder faces to the middle position of the two sliding blocks; two L-shaped shifting forks are symmetrically arranged on two sides of the telescopic rod, the middle parts of the shifting forks are rotatably arranged on the mounting seat, and two ends of each shifting fork are respectively connected to the telescopic rod and the sliding block;
one of them inboard lower part fixed mounting of slider has first clamping jaw, another the inboard lower part of slider is equipped with the second clamping jaw, the second clamping jaw is located in the storage tank of seting up on the slider, the inner terminal surface of second clamping jaw with the inner terminal surface of storage tank is assorted arcwall face and laminates each other, the second clamping jaw is followed the arc line direction of arcwall face with storage tank sliding fit.
The utility model discloses a theory of operation: the telescopic rod contracts upwards to drive one ends of the two shifting forks to swing upwards, the other ends of the two shifting forks swing towards the middle of the two shifting forks and drive the two sliding blocks to gather together, when the two sliding blocks gather together, the first clamping jaw and the second clamping jaw clamp two opposite sides of the square seat respectively, after the first clamping jaw is abutted against one side edge of the square seat, the second clamping jaw is simultaneously contacted with and abutted against the opposite side edge of the square seat; in the process, when the two side opposite edges of the square seat are not parallel, the second clamping jaw rotates along the accommodating groove, so that the included angle between the second clamping jaw and the first clamping jaw is adjusted to be matched with the included angle between the two side opposite edges of the square seat, and finally the square seat is firmly clamped.
Further comprises the following steps: the outer end faces of the first clamping jaw and the second clamping jaw are both planes, and teeth are distributed on the upper edge and the lower edge of each plane; the first clamping jaw and the second clamping jaw are in contact with the side faces of the two opposite sides of the square seat through the teeth, and after the tips of the teeth are in contact with the side faces of the square seat, the gripping force is larger, so that the square seat can be clamped more firmly by the first clamping jaw and the second clamping jaw.
Further comprises the following steps: the bottom surface of the accommodating groove is a supporting plate, the supporting plate is fixed on the sliding block, vertical pin shafts are fixed at the positions, located at the edges of two sides of the second clamping jaw, on the supporting plate, the pin shafts penetrate through the second clamping jaw, floating gaps are reserved between the pin shafts and the second clamping jaw, namely the pin shafts and the second clamping jaw are in clearance fit, and the second clamping jaw can swing around the pin shafts within the operation range of the floating gaps under the action of the floating gaps. The arrangement of the supporting plate and the pin shaft facilitates the processing and the assembly of the sliding block and the second clamping jaw, and simultaneously prevents the second clamping jaw from falling out of the accommodating groove.
Further comprises the following steps: the shifting fork is connected with the telescopic rod through a connecting piece, the connecting piece is fixed at the lower end of the telescopic rod, clamping grooves are formed in the positions, corresponding to the ends of the shifting fork, on the connecting piece and the sliding block, and the ends of the shifting fork are movably arranged in the clamping grooves. When the telescopic rod moves in a telescopic mode, the side wall of the clamping groove is abutted to the end of the shifting fork and drives the shifting fork to swing, and the structure is large in tolerance and long in service life.
Further comprises the following steps: and a positioning block is arranged at the upper part of the mounting seat, which is positioned in the middle of the sliding block, and is used for abutting against the square seat so as to position the square seat.
The utility model has the advantages that: the sliding blocks which are oppositely arranged are driven to gather or separate by the telescopic cylinder and the shifting fork, so that the structure is simple, and the processing and the assembly are convenient; the clamping jaw capable of floating is arranged on the sliding block, so that the clamping jaw is matched with the two non-parallel side edges of the square seat, the square seat is firmly clamped, the adaptability is strong, the operation and the use are convenient, the clamping effect of the square seat is good, and the planeness of the square seat is good; the second clamping jaw and the sliding block are in rigid contact through the arc-shaped surface, and the direction seat can be firmly clamped even if vibration is generated during cutting.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view AA of the structure of FIG. 1;
fig. 3 is an enlarged view of a region a in fig. 2.
In the figure, 1, a mounting seat; 2. a telescopic cylinder; 21. a connecting member; 3. a shifting fork; 31. a rotating shaft; 4. positioning blocks; 51. teeth; 52. a slider; 521. a second jaw; 522. a support plate; 523. a pin shaft; 524. a floating gap; 525. a first jaw; 6. a square base.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. It should be noted that the terms of orientation such as left, middle, right, up and down in the examples of the present invention are only relative to each other or are referred to the normal use status of the product, and should not be considered as limiting.
A clamp for clamping a square bearing seat comprises an installation seat 1, wherein a vertical telescopic cylinder 2 is fixedly installed at the upper part of the installation seat 1, the telescopic cylinder 2 is a hydraulic telescopic cylinder or an air pressure telescopic cylinder, two sliding blocks 52 which are arranged oppositely are installed at the lower part of the installation seat 1 in a sliding mode, and a telescopic rod of the telescopic cylinder 2 faces to the middle position of the two sliding blocks 52; two L-shaped shifting forks 3 are symmetrically arranged on two sides of the telescopic rod, the middle parts of the shifting forks 3 are rotatably arranged on the mounting seat 1, and two ends of each shifting fork 3 are respectively connected to the telescopic rod and the sliding block 52;
a first clamping jaw 525 is fixedly mounted at the lower part of the inner side of one of the slide blocks 52, a second clamping jaw 521 is arranged at the lower part of the inner side of the other slide block 52, the second clamping jaw 521 is located in an accommodating groove formed in the slide block 52, as shown in fig. 2, the end surface of the inner end (i.e., the left side edge) of the second clamping jaw 521 and the end surface of the inner end (i.e., the left end surface) of the accommodating groove are arc-shaped surfaces matched with each other and are attached to each other, and the second clamping jaw 521 is in sliding fit with the accommodating groove along the arc direction of the.
The outer end faces of the first clamping jaw 525 and the second clamping jaw 521 are both planes, teeth 51 are distributed on the upper edge and the lower edge of each plane, and the teeth 51 are uniformly and continuously distributed; the bottom surface of the accommodating groove is a supporting plate 522, the supporting plate 522 is fixed on the slider 52, as shown in fig. 2 and 3, a vertical pin 523 is fixed at a position on the supporting plate 522, which is located at the upper and lower side edges of the second clamping jaw 521, the pin 523 penetrates through the second clamping jaw 521, a floating gap 524 is left between the pin 523 and the second clamping jaw 521, that is, the pin 523 and the second clamping jaw are in clearance fit, and under the action of the floating gap 524, the second clamping jaw can swing around the pin 523 within the operating range of the floating gap 524.
In addition, the middle part of shift fork 3 is rotated through pivot 31 and is installed on mount pad 1, shift fork 3 pass through connecting piece 21 with the telescopic link is connected, connecting piece 21 is fixed the lower extreme tip of telescopic link, correspond on connecting piece 21 and the slider 52 the draw-in groove has all been seted up to the position of 3 ends of shift fork, the end activity of shift fork 3 sets up in the draw-in groove. As shown in fig. 1, a positioning block 4 is provided at an upper portion of the mounting seat 1 located at a middle position of the slider 52, and the positioning block 4 is configured to abut against the square seat 6 to position the square seat 6.
The utility model discloses a theory of operation: the telescopic rod contracts upwards to drive one ends of the two shifting forks to swing upwards, the other ends of the two shifting forks swing towards the middle of the two shifting forks and drive the two sliding blocks to gather together, when the two sliding blocks gather together, the first clamping jaw and the second clamping jaw clamp two opposite sides of the square seat respectively, after the first clamping jaw is abutted against one side edge of the square seat, the second clamping jaw is simultaneously contacted with and abutted against the opposite side edge of the square seat; in the process, when the two side opposite edges of the square seat are not parallel, the second clamping jaw rotates along the accommodating groove, so that the included angle between the second clamping jaw and the first clamping jaw is adjusted to be matched with the included angle between the two side opposite edges of the square seat, and finally the square seat is firmly clamped.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A clamp for clamping a square bearing seat is characterized in that: the telescopic device comprises a mounting seat, wherein a vertical telescopic cylinder is fixedly mounted at the upper part of the mounting seat, two opposite sliding blocks are slidably mounted at the lower part of the mounting seat, and a telescopic rod of the telescopic cylinder faces to the middle position of the two sliding blocks; two L-shaped shifting forks are symmetrically arranged on two sides of the telescopic rod, the middle parts of the shifting forks are rotatably arranged on the mounting seat, and two ends of each shifting fork are respectively connected to the telescopic rod and the sliding block;
one of them inboard lower part fixed mounting of slider has first clamping jaw, another the inboard lower part of slider is equipped with the second clamping jaw, the second clamping jaw is located in the storage tank of seting up on the slider, the inner terminal surface of second clamping jaw with the inner terminal surface of storage tank is assorted arcwall face and laminates each other, the second clamping jaw is followed the arc line direction of arcwall face with storage tank sliding fit.
2. The clamp for clamping the square bearing seat as claimed in claim 1, wherein: the outer end faces of the first clamping jaw and the second clamping jaw are planes, and teeth are distributed on the upper edge and the lower edge of each plane.
3. The clamp for clamping the square bearing seat as claimed in claim 1, wherein: the bottom surface of the accommodating groove is a supporting plate, the supporting plate is fixed on the sliding block, vertical pin shafts are fixed at the positions, located at the edges of the two sides of the second clamping jaw, on the supporting plate, the pin shafts penetrate through the second clamping jaw, and a floating gap is reserved between the pin shafts and the second clamping jaw.
4. The clamp for clamping the square bearing seat as claimed in claim 1, wherein: the shifting fork is connected with the telescopic rod through a connecting piece, the connecting piece is fixed at the lower end of the telescopic rod, clamping grooves are formed in the positions, corresponding to the ends of the shifting fork, on the connecting piece and the sliding block, and the ends of the shifting fork are movably arranged in the clamping grooves.
5. The clamp for clamping the square bearing seat as claimed in claim 1, wherein: and a positioning block is arranged at the upper part of the mounting seat positioned in the middle of the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922434733.7U CN211805014U (en) | 2019-12-30 | 2019-12-30 | Clamp for clamping square bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922434733.7U CN211805014U (en) | 2019-12-30 | 2019-12-30 | Clamp for clamping square bearing seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211805014U true CN211805014U (en) | 2020-10-30 |
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ID=73036560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922434733.7U Active CN211805014U (en) | 2019-12-30 | 2019-12-30 | Clamp for clamping square bearing seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211805014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372088A (en) * | 2020-11-30 | 2021-02-19 | 重庆机床(集团)有限责任公司 | High-precision hobbing clamp |
-
2019
- 2019-12-30 CN CN201922434733.7U patent/CN211805014U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372088A (en) * | 2020-11-30 | 2021-02-19 | 重庆机床(集团)有限责任公司 | High-precision hobbing clamp |
| CN112372088B (en) * | 2020-11-30 | 2022-03-11 | 重庆机床(集团)有限责任公司 | High-precision hobbing clamp |
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