CN205057553U - Automatic clamping device and flat -nose pliers of location centre gripping - Google Patents

Abstract

The utility model relates to a process equipment for mechanical processing, in particular to a clamping device for automatic positioning and clamping and a flat pliers. A clamping device for automatic positioning and clamping, comprising a base, a fixed block, an adjusting block, a moving clamp, and a fixed clamp. The fixed clamp is provided with a first horizontal positioning part and a vertical positioning part, and the moving clamp A second horizontal positioning portion corresponding to the first horizontal positioning portion is provided on the top, and the adjusting block and the fixing block are in contact with an inclined plane. When the fixed block is pushed to move, the adjusting block and the movable clip are pushed to move toward the first horizontal positioning part, and the movable clip automatically positions and clamps the clamped workpiece in horizontal and vertical directions simultaneously. The utility model also includes a flat-nose pliers using a clamping device for automatic positioning and clamping. The utility model has the advantages of simple structure, automatic positioning and clamping of the workpiece to be processed, reducing the time for processing the workpiece, and improving the processing efficiency and precision.

Description

Clamping device and flat-nose pliers for automatic positioning and clamping

technical field

The utility model relates to a machining process equipment, in particular to a clamping device and a flat-nose pliers capable of automatically positioning and clamping simultaneously in the horizontal and vertical directions.

Background technique

Flat nose pliers, also known as machine vises, are a kind of universal fixture. Traditional vises usually include a screw rod, movable jaws, jaws and square nuts. The movable jaw is connected with the square nut through a pin, and the screw rod is threaded with the square nut. The assembly structure of the flat-nose pliers is usually a detachable threaded connection and pin connection, and the linear motion of the movable pliers body is transformed by the helical motion. The working principle of the flat-nose pliers is to turn the screw with a wrench, and the movable jaw is driven by the screw to move, forming the clamping and loosening of the workpiece. When using flat-nose pliers, it should be noted that the processed surface of the workpiece must be higher than the jaws, otherwise the workpiece must be raised with parallel shims, and in order to clamp firmly and prevent the workpiece from loosening during planing, the relatively dry The plane fits snugly on the shim and the jaws. To make the workpiece close to the pad iron, it should be clamped while lightly tapping the sub-surface of the workpiece with a hand hammer. The smooth surface should be struck with a copper rod to prevent the smooth surface from being damaged. When using the vise, the precision of the workpiece is required to be high, and the positioning of the workpiece must be reliable, so high requirements are put forward for the design of the vise.

Various improvements have been made to vises in the prior art. Including the improvement of vise jaws, vise base, vise performance, vise jaw iron, etc., which are used to improve traditional vise.

However, when ordinary flat-nose pliers process parts, the fixed jaws and movable jaws of the flat-nose pliers can fix the part on the machine tool, and can determine the coordinates in the Y-axis direction, so that the part cannot move on the Y-axis, but it is impossible to determine where the part is Movement on the X axis requires other auxiliary positioning elements as a support. It is time-consuming and laborious to do so, and it is easy to cause inaccurate positioning and cause the processed parts to be out of tolerance, and the vise is easy to slip when removing the tool, damaging the tool and even causing injury to the operator. The movable clamp body of the flat nose pliers is in a linear motion. When the jaws clamp the workpiece, it is easy to cause inaccurate positioning of the workpiece and the phenomenon that the workpiece moves left and right, which consumes the time of clamping the workpiece. In order to solve this problem, Chinese patent CN201310563214.5 discloses a machined vise, including a base, a tong body and a movable tong body arranged on a guide rail. There are fixed jaw irons on the fixed jaws of the pliers body. There are three rows on the front of the fixed jaw irons, and each row has 5 to 9 M6 positioning screw holes; The jaws are made of iron; the base is provided with positioning keys, and the clamp body is fastened to the base by fastening bolts. When in use, place the base of the machined vise on the workbench of the machine tool, insert the positioning key into the positioning hole on the workbench, place the part between the fixed jaw iron and the movable jaw iron, and screw the positioning screw into one of them. In the positioning screw hole, locate the X direction of the part, turn the square head of the screw on the movable pliers to clamp the part, and then the part can be processed.

However, in the above-mentioned prior art, a lot of positioning screw holes are provided on the fixed jaw iron of the flat-nose pliers, which are used to locate the position of the workpiece in the X-axis direction of the flat-nose pliers. And the step of using the screw hole to locate is cumbersome, and the screw and the screw hole will be corroded after long-term use, thereby affecting the processing and use of the vise. In view of this, it is an urgent problem to be solved in this technical field to overcome the defects in the above-mentioned prior art.

Utility model content

In order to solve the problem that the flat-nose pliers cannot position the processed parts in the horizontal direction when the flat-nose pliers are processing parts, the utility model provides a clamping device for automatic positioning and clamping of the flat-nose pliers and the flat-nose pliers.

The further solution of the utility model is to provide an automatic positioning and clamping device and flat-nose pliers with simple structure and easy operation.

A clamping device for automatic positioning and clamping, which includes a base and a movable fixed block. The base is provided with a guide groove, and the fixed block moves forward and backward along the guide groove. It is characterized in that it also includes an adjustment block and a moving clamp. One side of the adjustment block is in contact with the fixed block in the form of an inclined plane, and the movable clamp is adjustable on the other side of the adjustment block; the base is fixed with a first horizontal positioning part and a vertical positioning part, so that The moving clip is provided with a second horizontal positioning part matched with the first horizontal positioning part. When the fixed block pushes the adjusting block to move to the first horizontal fixing part, the moving clip will automatically adjust so that the clamped workpiece Automatic positioning and clamping in both horizontal and vertical directions.

Further, the adjusting block is provided with an adjusting groove, and the moving clip is provided with a screw hole matching the adjusting groove, and the moving clip is adjustably fixed on the adjusting block through a bolt assembly.

Further, the inclination of the slope is 15 degrees.

Further, the clamping device includes a driving assembly, and the driving assembly includes a control circuit, a motor and a pressure sensor connected to the control circuit.

Further, the clamping device further includes a fixing clip, the first horizontal positioning part is arranged on the fixing clip, and the fixing clip is fixed on one end of the base.

Further, it is characterized in that the fixing clamp is connected to the base by screws, and the fixing clamp is provided with a plurality of screw holes, and the corresponding fixing clamp can be adjusted in multiple positions relative to the base.

Further, the fixing block is connected with the fastener by screws, fixed on the base, and can move linearly along the guide groove.

Further, the fastener connected with the fixed block is provided with a screw hole, and the screw hole is connected with an external bolt assembly to control the linear movement of the fixed block along the guide groove.

Further, the adjustment block is screwed to the fastener, and the width of the lower end surface of the adjustment block and the width of the upper end surface of the fastener are both smaller than the width of the guide groove.

The utility model also includes a vise with an automatic positioning and clamping clamping device, which uses the above-mentioned automatic positioning and clamping clamping device.

Due to the adoption of the above technical solutions, the utility model has the following beneficial technical effects:

The moving clip and the adjusting block of the utility model are provided with a plurality of screw holes, and the screw gear between the moving clip and the adjusting block can be adjusted according to the needs of processing parts, so as to facilitate the processing of workpieces of different sizes.

In the utility model, the width of the bottom of the adjustment block and the width of the fastener 6 are smaller than the width of the guide groove, so that the adjustment block can move linearly and horizontally on the guide groove, thereby facilitating the positioning of the workpiece during processing.

In the utility model, one side of the adjustment block is in contact with the fixed block in the form of an inclined plane, and the movable clip is adjustablely arranged on the other side of the adjustment block. The inclination angle of the slope where the adjustment block contacts the fixed block is 15°. When the screw rod is turned with a wrench, the screw rod drives the fixed block to the first horizontal position and does not move. In the process of moving, the fixed block exerts a vertical upward force on the adjustable block along the slope of the fixed block, so that the adjustable block drives the moving clamp to move, realizing the positioning of the vise in the vertical direction and the positioning in the horizontal direction. Positioning is convenient for fixing the workpiece, and the operation is simple, fast and convenient.

Further, the clamping device of the present utility model is provided with a drive assembly, and the drive assembly includes a control circuit and a motor connected to the control circuit and a pressure sensor, which facilitates the real-time monitoring of the force applied to the workpiece during the use of the vise, ensuring that the workpiece Not destroyed by excessive pressure.

Description of drawings

Fig. 1 is a perspective view of a clamping device for automatic positioning and clamping of the present invention.

Fig. 2 is an exploded view of a clamping device for automatic positioning and clamping of the present invention.

Fig. 3 is a perspective view of a base in a clamping device for automatic positioning and clamping of the present invention.

Fig. 4 is a perspective view of an adjusting block in a clamping device for automatic positioning and clamping of the present invention.

main reference signs

5. Base; 2. Moving clip; 3. Adjusting block; 4. Fixed block; 32. Adjusting slot; 52. Limiting slot; 53. Guide slot.

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model will be further described. It should be noted here that the descriptions of these implementations are used to help understand the utility model, but are not intended to limit the utility model. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

A clamping device for automatic positioning and clamping, including a base 5 and a movable fixed block 4, the base 5 is provided with a guide groove 53, and the fixed block 4 and the fastener 7 with a screw hole 71 pass through the bolt assembly It is connected and fixed on the base 5, and can move linearly along the guide groove 53. The clamping device for automatic positioning and clamping also includes an adjustment block 3 and a moving clamp 2, the bottom of the adjustment block 3 is provided with a screw hole 31, and the top of the fastener 6 is provided with a screw hole 61, The adjustment block 3 and the fastener 6 are connected by screws and fixed on the base 5, and the width of the bottom of the adjustment block 3 and the width of the fastener 6 should be smaller than the width of the guide groove 53 and greater than the width of the limiting groove 52 , so that the adjustment block 3 can move left and right on the guide groove 53 . The contact surface between the adjusting block 3 and the fixing block 4 is an inclined surface, and the inclination angle of the inclined surface is 15 degrees. The moving clip 2 is located on the other side of the adjusting block 3, the other side of the adjusting block 3 is provided with a screw hole 31, and the moving clip 2 is provided with a screw hole 21, the adjusting block 3 is provided with an adjusting groove 32, and the bolt assembly It is connected with the mobile clamp 2 through the adjustment slot 32 . When processing workpieces, the relative positions of the moving clip 2 and the adjusting block 3 can be adjusted according to the size of the workpieces to adapt to different workpiece clamping and meet the requirements of workpieces of different sizes and specifications for the jaw size of the vise. The fixed end of the base 5 is provided with a fixed clip 1, the fixed clip 1 is provided with a screw hole 11, and the base 5 is provided with a screw hole 51 that matches the screw hole 11, and the screw hole is connected by a bolt assembly. 11 and screw holes 51 for fixing the clamp 1. The fixed clip 1 is provided with a first horizontal positioning portion and a vertical positioning portion, and the mobile clip 2 is provided with a second horizontal positioning portion matched with the first horizontal positioning portion. When the processing workpiece is placed between the fixed clamp 1 and the movable clamp 2 on the base 5, the fixed block 4 is connected with the bolt assembly, and when the movement of the bolt assembly pushes the fixed block 4 to move to the first horizontal positioning part, The fixed block 4 exerts an upward force on the adjustment block 3 along the slope on the fixed block 4, so that the adjustment block 3 moves, and the moving clamp 2 connected to the adjustment block 3 will automatically adjust so that the clamped workpiece is horizontal And the vertical direction is automatically positioned and clamped at the same time. Therefore, the parts to be processed can be effectively and quickly clamped for processing.

During use, the fixed block 4 is connected with the fastener 7 through the bolt assembly, fixed on the base 5, and can move linearly along the guide groove 53; the adjustment block 3 is connected with the fastener 6 through the bolt assembly Connected, the horizontal movement range of the adjustment block 3 and the fastener 6 is limited by the limit groove 52, and the horizontal movement can be made on the guide groove; at the same time, the adjustment block 3 is connected with the mobile clamp 2 through the bolt assembly, and can be adjusted by The position of the screw hole is used to change the connection position of the adjusting block 3 and the moving clamp 2. One end of the base 5 is provided with a fixed clip 1, and the fixed clip 1 is provided with a first horizontal positioning portion and a vertical positioning portion; A horizontal positioning portion and a second vertical positioning portion corresponding to the second horizontal positioning portion and the vertical positioning portion. When the workpiece to be processed is placed between the fixed clamp 1 and the movable clamp 2, according to the size of the workpiece, adjust the bolt combination between the adjustment block 3 and the movable clamp 2 to ensure that the workpiece can be better clamped , and then push the fixed block 4 to move towards the first horizontal positioning part, because the contact surface between the fixed block 4 and the adjustment block 3 is an inclined plane, so in the process of pushing the fixed block 4, the adjustment block 3 is naturally on the guide groove 53 Horizontal movement occurs, and the moving clamp 2 is driven to move, the second horizontal positioning part and the vertical positioning part on the moving clamp 2 automatically position the workpiece, so that the positioning of the workpiece is faster during the entire processing process ,precise.

The utility model is a clamping device for automatic clamping. In addition to the features described in the above embodiments, the clamping device also includes a drive assembly, which includes a control circuit, a motor connected to the control circuit, and a pressure sensor. In the process of clamping the workpiece, the pressure sensor sets the maximum pressure that the workpiece to be processed can bear in advance. When the wrench is used to turn the bolt assembly to push the fixed block to move, thereby pushing the moving block to clamp the workpiece to be processed, the pressure sensor feels To the pressure on the workpiece to be processed. When the pressure received is greater than the set value, the pressure sensor will send out an alarm and stop the clamping action; when the pressure received is less than the set value, the pressure sensor will not send out an alarm, and the pressure can be continued to be applied as needed.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. All the following structures or equivalent processes made by using the specification of the utility model and the contents of the accompanying drawings may be directly or indirectly used in Other relevant technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (10)

1. A clamping device for automatic positioning and clamping, comprising a base and a movable fixed block, the base is provided with a guide groove, and the fixed block moves back and forth along the guide groove, it is characterized in that it also includes an adjustment block and a moving card One side of the adjustment block is in contact with the fixed block in an inclined plane, and the movable clamp is adjustable on the other side of the adjustment block; the first horizontal positioning part and the vertical direction positioning part are fixed on the base , the moving clip is provided with a second horizontal positioning part matched with the first horizontal positioning part, when the fixed block pushes the adjusting block to move to the first horizontal fixing part, the moving clip will automatically adjust to be clamped The workpiece is automatically positioned and clamped in the horizontal and vertical directions at the same time. 2. The clamping device according to claim 1, characterized in that, the adjusting block is provided with an adjusting groove, and the moving clip is provided with a screw hole matched with the adjusting groove, and the moving clip can be moved through the bolt assembly. Adjustably fixed on the adjustment block. 3. The clamping device according to claim 1 or 2, characterized in that, the inclination of the slope is 15 degrees. 4. The clamping device according to claim 1, characterized in that the clamping device comprises a driving assembly, and the driving assembly comprises a control circuit, a motor and a pressure sensor connected to the control circuit. 5. The clamping device according to claim 1, characterized in that the clamping device further comprises a fixing clip, the first horizontal positioning part is arranged on the fixing clip, and the fixing clip is fixed on one end of the base superior. 6. The clamping device according to claim 1, characterized in that, the fixing clip is connected to the base by screws, and a plurality of screw holes are provided on the fixing clip, and the corresponding fixing clip can be opposite to the base. The seat has multiple gear adjustments. 7. The clamping device according to claim 1, wherein the fixing block and the fastener are connected by screws, fixed on the base, and can move linearly along the guide groove. 8. The clamping device according to claim 1, wherein the fastener connected to the fixed block is provided with a screw hole, and the screw hole is connected to an external bolt assembly, and the fixed block is controlled to move along the guide groove. linear motion. 9. The clamping device according to claim 1, characterized in that, the adjustment block and the fastener are connected by screws, the width of the lower end surface of the adjustment block and the width of the upper end surface of the fastener are both smaller than the width of the guide groove . 10. A vise with automatic positioning and clamping, characterized by comprising the clamping device according to any one of claims 1 to 9.