CN108526928A - A kind of mechanical processing machine work holder - Google Patents

Abstract

The invention discloses a workpiece clamping device for machining machine tools, comprising a machine frame, a right lifting vertical plate, a left lifting vertical plate, a lifting sliding sleeve, a guide column, a No. 1 clamping mechanism and a No. 2 clamping mechanism, and a right lifting The top of the vertical plate is provided with a No. 1 clamping mechanism. The top of the left lifting vertical plate is fixed with a No. 2 clamping mechanism opposite to the No. 1 clamping mechanism. A number of internal threaded through holes are evenly distributed along the vertical direction on the axis of the shaft. The lifting sliding sleeve is fixedly sleeved on the guide column through the connecting screw, and the bottom end of the right lifting vertical plate is fixedly welded on the lifting sliding sleeve through a support rod. The right part of the left lifting riser, the bottom end of the left lifting riser is fixedly welded on the left part of the lifting sliding sleeve by another support rod. The invention has the advantages of simple structure, convenient operation, flexible use, wide application range and strong adaptability, and greatly improves the processing efficiency of workpieces.

Description

Workpiece clamping device for machining machine tool

technical field

The invention relates to a workpiece clamping device for a mechanical processing machine tool, belonging to the technical field of mechanical processing.

Background technique

The machinery industry is the national equipment department. Whether it is a traditional industry or a new industry, it is inseparable from a variety of machinery and equipment. The performance, quality and cost of the equipment provided by the machinery industry have an impact on the technological progress and economic benefits of various sectors of the national economy. greatly and directly affected.

When machining a workpiece on a machine tool, in order to make the surface of the workpiece meet the technical requirements such as the size, geometric shape, and position accuracy with other surfaces specified in the drawing, the workpiece must be installed and clamped before processing. However, the vertical position of the existing fixture is fixed, which obviously cannot meet the needs of actual processing. In addition, the clamping device will cause excessive clamping when clamping the workpiece, thereby damaging the workpiece, and the reliability of use is low. .

Contents of the invention

The technical problem to be solved by the present invention is to provide a workpiece clamping device for machining machine tools to solve the problems raised in the background technology above.

The technical solution of the present invention is: a workpiece clamping device for machining machine tools, including a frame, a right lifting vertical plate, a left lifting vertical plate, a lifting sliding sleeve, a guide column, a No. 1 clamping mechanism and a No. 2 clamping mechanism , both ends of the frame are provided with guide passages; the top of the right lifting vertical plate is provided with a No. 1 clamping mechanism; the top of the left lifting vertical plate is fixedly provided with two No. 1 clamping mechanism; the structure of the No. 1 clamping mechanism and the No. 2 clamping mechanism are the same. Both the No. 1 clamping mechanism and the No. 2 clamping mechanism include clamping blocks, rotating handles, push rods, connecting sleeves, and No. 1 clamping mechanisms. Slider, No. 2 slider, buffer spring and pressure rod; the lower surface of the middle part of the frame is fixedly welded with a guide post; the axis of the guide post is evenly distributed with a number of internal thread through holes along the vertical direction The lifting sliding sleeve is fixedly sleeved on the guide column through the connecting screw; the bottom end of the right lifting vertical plate is fixedly welded on the right part of the lifting sliding sleeve through a support rod; the bottom end of the left lifting vertical plate Fixed welding is arranged on the left part of the lifting sliding sleeve by another support rod.

Preferably, the connecting sleeve on the No. 1 clamping mechanism is fixedly welded on the top of the right lifting riser, and the connecting sleeve on the No. 2 clamping mechanism is fixedly welded on the top of the left lifting riser.

Preferably, both the No. 1 slider and the No. 2 slider are slidably arranged in the inner cavity of the connecting sleeve, the buffer spring is arranged in the inner cavity of the connecting sleeve, and the left end of the buffer spring is fixedly connected with the No. 1 slider , the other end of the buffer spring is fixedly connected with the No. Thread, the push rod is rotated on the left side plate of the connecting sleeve through threaded connection, the pressure rod slides through the sliding hole opened on the right side plate of the connecting sleeve, the clamp block is fixed and welded on the right end of the pressure rod, The left end of bar is fixedly connected with No. 2 slide block.

Preferably, the right lifting riser is slidably arranged in the guide channel at the right end of the frame.

Preferably, the left lifting riser slides up and down and is arranged in the guide channel at the left end of the frame.

The beneficial effect of the present invention is: adjust the position of the lifting sliding sleeve on the guide column, and fix it with the connecting screw rod, so that the adjustment of the height position of the right lifting riser and the left lifting riser in the vertical direction can be realized, and then the adjustment can be made. The height of the No. 1 clamping mechanism and the No. 2 clamping mechanism is convenient to adjust the position of the workpiece clamped by the No. 1 clamping mechanism and the No. 2 clamping mechanism, and is also suitable for clamping and fixing workpieces of different sizes; in addition, Turning the rotating handle drives the push rod to rotate. Since the push rod and the left side plate of the connecting sleeve are connected by threads, the feed movement occurs during the rotation of the push rod, the buffer spring is compressed, and the buffer spring is set to act as a shock absorber. , and the compressed amount of the buffer spring is adjustable, so it can be used flexibly. To sum up, the whole device has simple structure, convenient operation, flexible use, wide application range and strong adaptability, which greatly improves the processing efficiency of workpieces.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural schematic diagram of the clamping mechanism of the present invention.

In the figure: 1-frame, 2-right lifting vertical plate, 3-left lifting vertical plate, 4-support rod, 5-lifting sliding sleeve, 6-guide column, 7-internal thread through hole, 8-connecting screw, 9-No. 1 clamping mechanism, 10-No. 2 clamping mechanism, 11-guiding channel, 91-clamp block, 92-rotating handle, 93-push rod, 94-connecting sleeve, 95-No. 1 slider, 96 -No. 2 slide block, 97-buffer spring, 98-depression bar.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-2, in the embodiment of the present invention, a workpiece clamping device for machining machine tools includes a frame 1, a right lifting vertical plate 2, a left lifting vertical plate 3, a lifting sliding sleeve 5, a guide column 6, No. 1 clamping mechanism 9 and No. 2 clamping mechanism 10, both ends of the frame 1 are provided with guide channels 11; the right lifting riser 2 is slidingly arranged in the guide channel 11 at the right end of the frame 1 The left lifting riser 3 slides up and down and is located in the guide passage 11 at the left end of the frame 1; the top of the right lifting riser 2 is provided with a No. 1 clamping mechanism 9; the top of the left lifting riser 3 is fixed A second clamping mechanism 10 opposite to the first clamping mechanism 9 is provided.

The No. 1 clamping mechanism 9 and the No. 2 clamping mechanism 10 have the same structure, and the No. 1 clamping mechanism 9 and the No. 2 clamping mechanism 10 all include a clamping block 91, a rotating handle 92, a push rod 93, and a connecting sleeve 94 , No. 1 slider 95, No. 2 slider 96, buffer spring 97 and pressure bar 98, wherein the connecting sleeve 94 on the No. 1 clamping mechanism 9 is fixedly welded and arranged on the top of the right lifting vertical plate 2, and the No. 2 clamp The connecting sleeve 94 on the mechanism 10 is fixedly welded and arranged on the top of the left lifting riser 3, the No. 1 slider 95 and the No. 2 slider 96 are both slidably arranged in the inner cavity of the connecting sleeve 94, and the buffer spring 97 is arranged on the connection In the inner cavity of the sleeve 94, the left end of the buffer spring 97 is fixedly connected with the No. 1 slider 95, the other end of the buffer spring 97 is fixedly connected with the No. 2 slider 96, and the left end of the rotating handle 92 is fixedly installed on the push rod 93. The left end of the push rod 93 is fixedly connected with the No. 1 slider 95, and the outer surface of the push rod 93 is uniformly processed with external threads, and the push rod 93 is rotated on the left side plate of the connecting sleeve 94 through a threaded connection. , the depression bar 98 slides through the sliding hole provided on the right side plate of the connecting sleeve 94, the clip block 91 is fixedly welded and arranged on the right end of the depression bar 98, and the left end of the depression bar 98 is fixedly connected with the No. 2 slide block 96.

The lower surface of the middle part of the frame 1 is fixedly welded with a guide column 6; the axis of the guide column 6 is evenly distributed with a number of internal thread through holes 7 along the vertical direction; the lifting sliding sleeve 5 is connected by a connecting screw 8 The fixed sleeve is arranged on the guide post 6, wherein the connecting screw rod 8 penetrates the installation hole provided on the lifting sliding sleeve 5 and is threadedly connected in the internal thread through hole 7, thereby realizing the fixing of the lifting sliding sleeve 5; The bottom end of the vertical plate 2 is fixedly welded on the right part of the lifting sliding sleeve 5 through a support rod 4; the bottom end of the left lifting vertical plate 3 is fixedly welded on the left part of the lifting sliding sleeve 5 through another supporting rod 4 .

The working principle of the present invention is: when in use, adjust the position of the lifting sliding sleeve 5 on the guide column 6, and use the connecting screw 8 to fix it, so that the right lifting riser 2 and the left lifting riser 3 can be vertically aligned. The adjustment of the height position can then adjust the height of the No. 1 clamping mechanism 9 and the No. 2 clamping mechanism 10, which is convenient to adjust the adjustment of the clamping position of the workpiece by the No. 1 clamping mechanism 9 and the No. 2 clamping mechanism 10. For clamping and fixing workpieces of different sizes; in addition, when using the No. 1 clamping mechanism 9 and the No. 2 clamping mechanism 10 to clamp and fix the workpiece, turning the rotating handle 92 drives the push rod 93 to rotate, because the push rod 93 is connected with the The left side plates of the sleeve 94 are threadedly connected, and the feed movement occurs during the rotation of the push rod 93, and drives the No. 1 slider 95 to move in the inner cavity of the connecting sleeve 94, and the buffer spring 97 is compressed at this time , the elastic force of the buffer spring 97 drives the No. 2 slide block 96 to move, and realizes the gripping of the workpiece by the clamp block 91. The buffer spring 97 provided plays a shock-absorbing and buffering role, and the compressed amount of the buffer spring 97 is adjustable, so that the buffer spring 97 The shock-absorbing and buffering effect can be adjusted, and the utility model can be used flexibly.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (5)

1. A workpiece clamping device for machining machine tools, characterized in that it includes a frame (1), a right lifting vertical plate (2), a left lifting vertical plate (3), a lifting sliding sleeve (5), a guide column ( 6), No. 1 clamping mechanism (9) and No. 2 clamping mechanism (10); guide passages (11) are opened at both ends of the frame (1), and the right lifting vertical plate (2) A No. 1 clamping mechanism (9) is arranged at the top, and a No. 2 clamping mechanism (10) opposite to the No. 1 clamping mechanism (9) is fixedly arranged on the top of the left lifting riser (3). The structure of clamping mechanism (9) and No. 2 clamping mechanism (10) is identical, and No. 1 clamping mechanism (9) and No. 2 clamping mechanism (10) all comprise clamping block (91), rotating handle (92), Push rod (93), connecting sleeve (94), No. 1 slider (95), No. 2 slider (96), buffer spring (97) and pressing rod (98), the middle part of the rack (1) The lower surface is fixedly welded with a guide column (6), and the axis of the guide column (6) is evenly distributed with a number of internal thread through holes (7) along the vertical direction, and the lifting sliding sleeve (5) is connected through the The screw rod (8) is fixedly sleeved on the guide column (6), and the bottom end of the right lifting vertical plate (2) is fixedly welded on the right part of the lifting sliding sleeve (5) through a support rod (4). The bottom end of the left lifting vertical plate (3) is fixedly welded on the left part of the lifting sliding sleeve (5) through another support rod (4). 2. The workpiece clamping device for machining machine tools according to claim 1, characterized in that: the connecting sleeve (94) on the No. 1 clamping mechanism (9) is fixedly welded and arranged on the right lifting vertical plate (2 ), the connecting sleeve (94) on the No. 2 clamping mechanism (10) is fixedly welded and arranged on the top of the left lifting riser (3). 3. The workpiece clamping device for machining machine tools according to claim 1, characterized in that: the No. 1 slider (95) and the No. 2 slider (96) are both slidably arranged on the connecting sleeve (94). In the inner cavity, the buffer spring (97) is arranged in the inner cavity of the connecting sleeve (94), the left end of the buffer spring (97) is fixedly connected with the No. 1 slider (95), and the other end of the buffer spring (97) is connected with the No. two slide block (96) is fixedly connected, and the left end of turning handle (92) is fixedly installed on the left end of push rod (93), and the right end of push rod (93) is fixedly connected with No. 1 slide block (95), and push rod ( The surface of the outer ring of 93) is uniformly processed with external threads, the push rod (93) is rotated on the left side plate of the connecting sleeve (94) through threaded connection, and the pressing rod (98) slides through the connecting sleeve (94) ) in the slide hole provided on the right side plate, the clamp block (91) is fixedly welded to the right end of the pressure bar (98), and the left end of the pressure bar (98) is fixedly connected with the No. 2 slide block (96). 4. The workpiece clamping device for machining machine tools according to claim 1, characterized in that: the right lifting vertical plate (2) slides up and down and is arranged in the guide channel (11) at the right end of the frame (1). 5. The workpiece clamping device for machining machine tools according to claim 1, characterized in that: the left lifting vertical plate (3) slides up and down and is set in the guide channel (11) at the left end of the frame (1).