CN207656494U - A kind of positioning clamping device - Google Patents

Abstract

The utility model provides a positioning and clamping device, which can conveniently and effectively realize the center positioning and adjustment of workpiece loading and clamping, has high working efficiency and good processing quality, thereby realizing the purpose of reducing production costs and increasing economic benefits; A connecting plate is pressed on the top of the base, and the bottom of the connecting plate is installed on the electric push rod seat through the electric push rod. There is a long groove on the connecting plate along its length direction. The electric push rod is connected with the lower part of the connecting seat, and the upper part of the connecting seat is connected with the connecting plate. The side end of the supporting plate is placed on the inclined surface of the inclined iron through the bolt needle roller bearing. One end of the base is provided with a fixed head seat, and the other end of the base is provided with a guide rail moving toward the connecting plate. The plug seat is installed on the guide rail. The fixed plug seat and the clamping plug seat opposite to the end surface along the moving direction of the electric push rod are equipped with linear guide rails. The fixed plug and the clamping plug are installed on the linear guide rails. The block is connected to the clamping head seat.

Description

A positioning clamping device

technical field

The utility model relates to the technical field of CNC machine tool automation, in particular to a positioning and clamping device.

Background technique

In the field of manufacturing silicon wafers, the main component of solar power generation technology, the grinding of silicon block materials is a very important process. At present, domestic surface grinding equipment is very time-consuming for the grinding, chamfering and rounding of silicon blocks. One very important reason is that the auxiliary time for loading and clamping the workpiece is relatively long, and the loading and clamping of the workpiece is located at different positions and in different directions. Grinding will lead to inconsistencies in the correspondence of the four corners, resulting in a decline in the quality of the finished product or even scrapping, which directly affects the production cost and economic benefits of the enterprise.

Contents of the invention

In view of the above problems, the utility model provides a positioning and clamping device, which can conveniently and effectively realize the center positioning and adjustment of workpiece loading and clamping, with high work efficiency and good processing quality, thereby reducing production costs and increasing economic benefits the goal of.

Its technical solution is as follows: a positioning and clamping device, which includes a base, characterized in that a connecting plate is pressed above the base, and the bottom of the connecting plate is installed on the electric push rod seat through an electric push rod. There is a long slot on the connecting plate along its length direction, the electric push rod is connected with the lower part of the connecting seat, and the upper part of the connecting seat passes through the long slot and is connected with the inclined iron on the connecting plate. The side end is equipped with a bolt needle roller bearing, which is placed on the slope of the inclined iron through the bolt needle roller bearing. One end of the base is provided with a fixed plug seat, and the other end of the base is provided with a The guide rail provided for moving in the direction of the plate, the clamping head seat is installed on the guide rail, the fixed head seat along the moving direction of the electric push rod, and the opposite end surface of the clamping head seat are provided with linear guide rails, the fixed head, The clamping plugs are respectively installed on the linear guide rails, and the clamping cylinder is connected to the clamping plug seat through a connecting block.

It is further characterized by:

The base is provided with a cavity, the electric push rod seat, electric push rod, and connecting seat are all arranged in the cavity, and the connecting plate is installed on the base above the cavity;

A support plate for placing workpieces is provided on the supporting plate, and the support plate is made of haggard wood;

A positioning column is fixed on the connecting plate on the peripheral side of the supporting plate, and the height of the positioning column is higher than the height of the bottom surface of the supporting plate;

A groove is provided at the lower end of the inclined plane of the inclined iron, and the needle roller bearing of the bolt is placed in the groove;

The clamping head seat is installed on the slide block of the guide rail, and the contact type measuring head is installed on the guide rail.

The beneficial effect of the utility model is that when the electric push rod pushes the connecting seat to move along the horizontal direction of the long groove, it drives the inclined iron to move linearly in the horizontal direction, and the bolt needle roller bearing rolls along the inclined surface of the inclined iron. , so that the movement adjustment of the pallet in the vertical direction can be realized, and the fixed head for clamping the workpiece, and the clamping head can be adjusted on the linear guide rail and the guide rail accordingly, so that the workpiece can be easily and effectively realized in different positions and directions. Center positioning on the machine, high work efficiency, good processing quality, and can achieve the purpose of reducing production costs and increasing economic benefits.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is a sectional view of the utility model.

Detailed ways

As shown in Figure 1 and Figure 2, the utility model includes a base 1, a cavity 21 is provided in the base 1, an electric push rod seat 3, an electric push rod 2, and a connecting seat 4 are all arranged in the cavity 21, and the connecting plate 5 Press-fitted on the base 1 above the cavity 21, the bottom of the connecting plate 5 is installed on the electric push rod seat 3 through the electric push rod 2, and a long groove is opened on the connecting plate 5 along its length direction, and the electric push rod 2 and the connecting seat 4, the lower part is connected, and the upper part of the connecting seat 4 passes through the long groove to connect with the oblique iron 6 on the connecting plate 5. The side end of the supporting plate 7 is equipped with a bolt needle roller bearing 8, and is placed on the oblique iron 6 through the bolt needle roller bearing 8. On the inclined surface, one end of the base 1 is provided with a fixed head seat 14, and the other end of the base 1 is provided with a guide rail 10 which is set to move toward the connecting plate 5. The clamping head seat 11 is installed on the guide rail 10 and moves along the electric push rod 2. The opposite end surfaces of the fixed head seat 14 and the clamping head seat 11 are provided with linear guide rails 18, the fixed head 15 and the clamping head 13 are respectively installed on the linear guide rails 18, and the clamping cylinder 12 is connected to the clamp through the connecting block 20. Tight top seat 11.

The two ends on the supporting plate 7 are provided with a support plate 16 for placing workpieces 17, and the supporting plate 16 adopts a wooden board; the connecting plate 5 on the side of the supporting plate 7 is fixed with a positioning column 9, and the height of the positioning column 9 is higher than that of the supporting plate 7. The height of the bottom surface can prevent the supporting plate 7 from swinging in the front, rear, left, and right directions by the positioning column 9 provided on the side of the supporting plate 7, and ensure that the supporting plate 7 only moves in the vertical direction; There is a groove 22, and the bolt needle roller bearing 8 is placed in the groove 22, and the groove 22 can prevent the pallet 7 from being over-operated due to inertia, and effectively play a positioning role; the clamping head seat 11 is installed on the guide rail 10 On the slide block 23, the guide rail 10 is equipped with a contact type measuring head 19, the width value of the workpiece 17 can be measured by the contact type measuring head 19, and the data is fed back to the numerical control system on the machine tool. After calculation by the numerical control system, it can be calculated according to The principle of equally dividing the allowance on both sides automatically calculates the grinding allowance of the width of the silicon block, thereby precisely controlling the positioning position of the workpiece 17 in the horizontal direction.

The workpiece 17 is placed on the support plate 16 of the supporting plate 7. When the electric push rod 2 is energized, the piston rod of the electric push rod 2 stretches and pushes the connecting seat 4 to move along the horizontal direction of the long groove, driving the inclined iron 6 together in the horizontal direction. Make a linear motion on the top, so that the bolt needle roller bearing 8 rolls on the slope of the inclined iron 6, so that the movement adjustment of the supporting plate 7 in the vertical direction can be realized, that is, the linear motion in the horizontal direction is converted into the linear motion in the vertical direction, so that it can be reasonably Effectively adjust and control the position of the workpiece 17 in the vertical direction, and the dimensional accuracy control range of the converted vertical motion is about 5 times higher than the dimensional accuracy of the electric push rod 2, which improves the adjustment of the workpiece in the vertical direction Accuracy; and through the action of the clamping cylinder 12, the clamping head seat 11 and the clamping head 13 on it can be pushed to move toward the workpiece 17 on the guide rail 10 until the clamping head 13 and the fixed head 15 cooperate to tighten the workpiece 17. It is also possible to move the clamping head 13 and the fixed head 15 on the linear guide rail 18 respectively according to the situation, so as to cooperate with the center positioning of the workpiece 17 at different positions, so as to quickly and effectively realize the positioning of the workpiece in different positions and directions. The central positioning of the machine can be adjusted according to the situation, the work efficiency is high, the processing quality is good, and the purpose of reducing production costs and increasing economic benefits has been achieved.

Claims (6)

1. a kind of positioning clamping device comprising pedestal, it is characterised in that：It is pressed with connecting plate, the company above the pedestal Fishplate bar bottom is installed on electric pushrod seat by electric pushrod, on the connecting plate along its length on be provided with elongated slot, it is described Electric pushrod is connected with connecting seat lower part, and the connecting seat top passes through the elongated slot to connect with the wedge on the connecting plate It connects, the side of supporting plate is equipped with bolt needle bearing, and is positioned on the inclined-plane of the wedge by the bolt needle bearing, institute The one end for stating pedestal is equipped with fixed top headstock, and the other end of the pedestal is equipped with leading towards connecting plate direction movement setting Rail clamps top headstock and is installed on the guide rail, the fixed top headstock, clamping top along the electric pushrod direction of motion The linear guide is both provided on the opposite end face of seat, fixed top, clamping top, correspondence is installed in the linear guide respectively, It holds out against cylinder and the clamping top headstock is connected by link block.

2. a kind of positioning clamping device according to claim 1, which is characterized in that cavity is equipped in the pedestal, it is described Electric pushrod seat, electric pushrod, connecting seat may be contained in the cavity, and the connecting plate is loaded on described above the cavity On pedestal.

3. a kind of positioning clamping device according to claim 1, which is characterized in that the supporting plate, which is equipped with, places workpiece Support plate, the support plate use withered tree plate.

4. a kind of positioning clamping device according to claim 1, which is characterized in that the connecting plate of the supporting plate side On be fixed with positioning column, the height of the positioning column is higher than the floor height of the supporting plate.

5. a kind of positioning clamping device according to claim 1, which is characterized in that set in the inclined-plane lower end of the wedge There are groove, the bolt needle bearing to be placed in the groove.

6. a kind of positioning clamping device according to claim 1, which is characterized in that the clamping top headstock is installed on described On the sliding block of guide rail, contact measurement head is housed on the guide rail.