CN210360458U - Multiple part and positive and negative quick change frock clamp - Google Patents
Multiple part and positive and negative quick change frock clamp Download PDFInfo
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- CN210360458U CN210360458U CN201921392410.XU CN201921392410U CN210360458U CN 210360458 U CN210360458 U CN 210360458U CN 201921392410 U CN201921392410 U CN 201921392410U CN 210360458 U CN210360458 U CN 210360458U
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Abstract
The utility model discloses a multiple part and positive and negative quick change tool clamp, which comprises a left clamp and a right clamp, wherein the left clamp and the right clamp respectively comprise a bottom plate, a supporting plate and a sleeve plate, the bottom plate is fixed on a machine tool workbench, two supporting plates are arranged between the bottom plate and the sleeve plate, a hydraulic cylinder is arranged at the outer sides of the two supporting plates, and a pressing plate is arranged at the top end of a hydraulic rod of the hydraulic cylinder; the sleeve plate is connected with the two supporting plates through sleeve plate positioning pins, four positioning clamping rings are arranged on the sleeve plate in a shape like a Chinese character 'tian', each positioning clamping ring is provided with an opening which is of a deformable structure, one side of each opening is a fixed side and is fixed on the sleeve plate through positioning clamping ring positioning pins and bolts, the other side of each opening is a movable side, a nut sleeve is arranged at each opening, and a clamping screw is arranged in each nut sleeve; two sets of plates in the left clamp and the right clamp are placed in the forward direction, and the other set of plates in the reverse direction.
Description
Technical Field
The utility model relates to a machine-building field, concretely relates to multiple part and positive and negative quick change frock clamp and clamping method.
Background
The machine tool clamping device is one of important process equipment which guarantees the machining quality, improves the production efficiency, lightens the labor intensity, reduces the over-high requirement on the technology of workers and realizes the automation of the production process. Machine tool clamping devices are widely used in manufacturing, and the use of a large number of special machine tool clamping devices provides a necessary condition for mass production. When the line is drawn on the workpiece, the four-jaw chuck is used for installing according to the line, and then the inner hole is processed. In the correction process, when two claws clamped on the cylindrical surface are adjusted, a workpiece rolls, so that the central line of the scribing hole generates angular displacement, the workpiece is difficult to correct, and processing waste products are generated. Therefore, the clamping device is designed and manufactured by people, and the effect is good through years of use.
With the rapid development of the processing and manufacturing industry, the requirements on the precision and the production efficiency of processing parts are higher, the processing mode that the working procedures are centralized in the processing, one person has a plurality of machines, and one machine has a plurality of parts is widely adopted. The requirements on the tool clamping devices are higher and higher, two advanced tool clamping devices, namely pneumatic and hydraulic, are provided, the traditional positioning mode of manual clamping adjustment is changed due to the advanced clamping modes, the machining precision is improved, the machining auxiliary time is shortened, and the production efficiency is improved.
For machining of mechanical products, time and labor are consumed in clamping products if batch products are machined singly, product precision and size consistency are difficult to guarantee, and efficiency is low. The existing clamping scheme is that a clamp is used for clamping a product for processing at the last time, the assembly and disassembly period is long, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
To prior art's problem, the utility model provides a multiple part and positive and negative quick change frock clamp and clamping method, its this device can realize self-holding and the multiple work piece of clamping simultaneously to can realize the quick change of parts machining positive and negative, improve clamping efficiency, reduce workman's working strength, save time increases the interests.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the tool clamp comprises a left clamp and a right clamp, wherein the left clamp and the right clamp respectively comprise a bottom plate, a supporting plate and a sleeve plate, the bottom plate is fixed on a machine tool workbench, two supporting plates are arranged between the bottom plate and the sleeve plate, hydraulic cylinders are arranged on the outer sides of the two supporting plates, and pressing plates are arranged at the top ends of hydraulic rods of the hydraulic cylinders; the sleeve plate is connected with the two supporting plates through sleeve plate positioning pins, four positioning clamping rings are arranged on the sleeve plate in a shape like a Chinese character 'tian', each positioning clamping ring is provided with an opening which is of a deformable structure, one side of each opening is a fixed side and is fixed on the sleeve plate through positioning clamping ring positioning pins and bolts, the other side of each opening is a movable side, a nut sleeve is arranged at each opening, and a clamping screw is arranged in each nut sleeve; two sets of plates in the left clamp and the right clamp are placed in the forward direction, and the other set of plates in the reverse direction.
Furthermore, handles are arranged on the left side and the right side of the sleeve plate.
Further, the positioning clamp rings may be the same size or different sizes.
Furthermore, two sleeve plate positioning pins in each clamp are obliquely and symmetrically arranged relative to the central position of the sleeve plate.
Compared with the prior art, the utility model discloses the opening flexible is made to the location clamp ring in the anchor clamps, and wherein half is used for the location to the work piece on the lagging through location clamp ring pin and bolt fastening, and second half is in lax state, the clamp screw in the rotatory nut sleeve to promote the shrink of location clamp ring, realize pressing from both sides tightly, after good processing, the part can be changed to the contra-rotation clamp screw. After a workpiece is clamped on the sleeve plate, the sleeve plate and the part are connected with the supporting plate in a positioning mode through the sleeve plate positioning pin as a whole, when the hydraulic rod extends, the pressing plate is pressed down through the lever action, so that the sleeve plate is integrally pressed on the supporting plate, the final clamping of the part is realized, when the hydraulic rod is recovered, the pressing plate is lifted upwards, the sleeve plate is loosened, the integral replacement of the sleeve plate is realized, the positioning clamping ring can be selectively used according to the size difference of the part, and the clamping of multiple parts by one clamp is realized. The clamp is made into a left part and a right part, 2 sleeve plate positioning pins are arranged at the symmetrical positions of the supporting plates at two sides, the whole quick replacement of the front and the back is realized by utilizing the sleeve plate positioning pins, and handles are arranged at two sides of the sleeve plate, so that the clamp is favorable for carrying and mounting.
The beneficial effects of the utility model reside in that: the clamp can realize automatic clamping and simultaneous clamping of various workpieces, can realize quick change of the front and back surfaces of part processing, improves clamping efficiency, reduces working strength of workers, saves time and increases benefits.
Drawings
FIG. 1 is a schematic view of the top view structure of the multiple parts and the tool holder for forward and backward quick change of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the multiple parts and the positive and negative quick-change tool holder of the present invention;
fig. 3 is a schematic diagram of the positioning clamp ring structure of the present invention.
The method comprises the following steps of 1-positioning clamping ring, 2-pressing plate, 3-hydraulic cylinder, 4-sleeve plate, 5-handle, 6-bolt, 7-sleeve plate positioning pin, 8-machine tool workbench, 9-bottom plate, 10-supporting plate, 11-nut sleeve, 12-clamping screw, 13-bolt, 14-positioning clamping ring positioning pin, and 15-workpiece 1, 16-workpiece 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be understood that the terms "mounted," "connected," and "connected" are used in a broad sense and can be, for example, mechanically or electrically connected, or can be connected by two elements through internal communication, either directly or indirectly via an intermediate medium. The specific meaning of the above terms can be understood by those of ordinary skill in the art as appropriate.
The multi-part tool clamp capable of changing forward and backward as shown in fig. 1-3 comprises a left clamp and a right clamp, wherein the left clamp and the right clamp respectively comprise a bottom plate 9, a supporting plate 10 and a sleeve plate 4, the bottom plate is fixed on a machine tool workbench 8, two supporting plates 10 are arranged between the bottom plate 9 and the sleeve plate 4, hydraulic cylinders 3 are respectively arranged on the outer sides of the two supporting plates 10, and a pressing plate 2 is arranged at the top ends of hydraulic rods of the hydraulic cylinders 3; the sleeve plate 4 is connected with two support plates 10 through sleeve plate positioning pins 7, four positioning clamping rings 1 are arranged on the sleeve plate 4 in a shape like the Chinese character 'tian', each positioning clamping ring 1 is provided with an opening which is of a deformable structure, one side of each opening is a fixed side and is fixed on the sleeve plate 4 through a positioning clamping ring positioning pin 14 and a bolt 13, the other side of each opening is a movable side, a nut sleeve 11 is arranged at the opening, and a clamping screw 12 is arranged in the nut sleeve 11; two sets of plates 4 in the left clamp and the right clamp are placed in a forward direction, and in a reverse direction.
The positioning clamp rings 1 may be of the same or different sizes.
Two sleeve plate positioning pins 7 in each clamp are obliquely and symmetrically arranged relative to the central position of the sleeve plate 4.
The clamping method of the positive and negative quick-change tool clamp comprises the following steps:
1) selecting a positioning clamping ring according to the size of a workpiece to be processed, and fixing the positioning clamping ring on the two sleeve plates;
2) positioning a workpiece, namely placing the workpiece 1 to be machined and the workpiece 2 in a positioning clamping ring, rotating a clamping screw in a nut sleeve, pushing the positioning clamping ring to contract, and clamping the workpiece;
3) positioning the sleeve plates, namely positioning and connecting the two sleeve plates with the supporting plate through sleeve plate positioning pins in a mode of placing the two sleeve plates in a front direction and placing the two sleeve plates in a reverse direction, starting the hydraulic cylinder, extending the hydraulic rod, and pressing down the pressing plate to enable the pressing plate to be attached to the sleeve plates;
4) and after the clamping is finished, the workpiece is machined, the hydraulic cylinder is started again after the machining is finished, the hydraulic rod is contracted, the pressing plate is lifted up, the sleeve plate positioning pins are taken out, the positions of the two sleeve plates are exchanged, the respective machined surfaces of the two sleeve plates are changed, and the next step of machining is carried out.
In the description herein, references to the description of "one embodiment," "an example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. The tool clamp is characterized by comprising a left clamp and a right clamp, wherein the left clamp and the right clamp respectively comprise a bottom plate, a supporting plate and a sleeve plate, the bottom plate is fixed on a machine tool workbench, two supporting plates are arranged between the bottom plate and the sleeve plate, hydraulic cylinders are arranged on the outer sides of the two supporting plates, and pressing plates are arranged at the top ends of hydraulic rods of the hydraulic cylinders; the sleeve plate is connected with the two supporting plates through sleeve plate positioning pins, four positioning clamping rings are arranged on the sleeve plate in a shape like a Chinese character 'tian', each positioning clamping ring is provided with an opening which is of a deformable structure, one side of each opening is a fixed side and is fixed on the sleeve plate through positioning clamping ring positioning pins and bolts, the other side of each opening is a movable side, a nut sleeve is arranged at each opening, and a clamping screw is arranged in each nut sleeve; two sets of plates in the left clamp and the right clamp are placed in the forward direction, and the other set of plates in the reverse direction.
2. The multi-part tool clamp capable of changing the front and the back quickly as claimed in claim 1, wherein handles are arranged on the left side and the right side of the sleeve plate.
3. The multiple parts and tool holder as claimed in claim 1, wherein the positioning clamp rings are of the same or different sizes.
4. The multi-part tool fixture capable of changing forward and reverse quickly as claimed in claim 1, wherein the two sleeve plate positioning pins of each fixture are arranged in an oblique and symmetrical manner relative to the center of the sleeve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392410.XU CN210360458U (en) | 2019-08-26 | 2019-08-26 | Multiple part and positive and negative quick change frock clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392410.XU CN210360458U (en) | 2019-08-26 | 2019-08-26 | Multiple part and positive and negative quick change frock clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210360458U true CN210360458U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921392410.XU Active CN210360458U (en) | 2019-08-26 | 2019-08-26 | Multiple part and positive and negative quick change frock clamp |
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| CN (1) | CN210360458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385595A (en) * | 2019-08-26 | 2019-10-29 | 强胜精密机械(苏州)有限公司 | One kind of multiple parts and positive and negative quick change frock clamp and clamping method |
-
2019
- 2019-08-26 CN CN201921392410.XU patent/CN210360458U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385595A (en) * | 2019-08-26 | 2019-10-29 | 强胜精密机械(苏州)有限公司 | One kind of multiple parts and positive and negative quick change frock clamp and clamping method |
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