CN204770275U - Clamping device of straightener - Google Patents

Abstract

The utility model discloses a clamping device for a straightening machine, which comprises a slide table, two top slide seats are slidably fitted on the upper surface of the slide table, a top mechanism is arranged above the top slide seats, the top mechanism includes a top support seat and a The top mounting seat above the top support seat, the upper surface of the top support seat is provided with a support column, the top of the support column is hingedly connected with the top mounting seat through a hinge shaft, and the opposite sides of the two top mounting seats are respectively rotated and coaxially arranged. The rotating top of the rotating top is provided with an elastic mechanism vertically upward on the top sliding seat below the rotating top, and the side of the top mounting seat away from the rotating top is fixedly connected with a drive motor, and the drive shaft of the driving motor cooperates with the transmission of the rotating top. The utility model has a simple structure, reduces the occurrence of slippage between the workpiece and the rotary top, improves the accuracy of alignment detection, and at the same time reduces the workload of workpiece transfer and clamping back and forth, shortens the operation time of workpiece alignment, and improves alignment accuracy. direct efficiency.

Description

A clamping device for a straightening machine

technical field

The utility model relates to a clamping mechanism, in particular to a clamping device of a straightening machine.

Background technique

The automatic straightening machine is an automatic detection and straightening device designed for the bending deformation of shaft products after heat treatment. It is a high-tech product integrating mechanical, electrical, hydraulic, pneumatic, and computer measurement and control. It has excellent The technical performance is mainly reflected in the advantages of high measurement accuracy, fast production cycle, and strong adaptability of workpieces. for accurate measurements.

Usually, the measuring process and the straightening process of the straightening machine are carried out separately. The shaft workpiece must be measured first. At present, the existing clamping device is two active rotary center tops and driven rotary center tops, which are set opposite to each other. When measuring, After the top of the active rotary center and the top of the driven rotary center clamp the workpiece, the top of the active rotary center is driven by the drive motor to rotate, and the workpiece is transmitted to the top of the driven rotary center. At the same time, the detection device detects the workpiece. After the detection is completed, the active rotary The central top and the driven rotary center top loosen the workpiece, and place the workpiece on the support table below the workpiece for straightening process. This involves a transfer problem of the workpiece, and the general workpiece needs to be inspected and aligned 2 to 4 times to achieve the purpose of alignment, so that the workpiece is transferred back and forth many times, reducing the efficiency of alignment. In addition, the top of the active rotary center uses the friction between the workpiece and the two tops to drive the top of the driven rotary center to rotate synchronously. However, in the actual rotation measurement process, due to the existence of the moment of inertia and friction, the workpiece and the rotary center slip, and then the wrong rotation center coordinates are obtained, which eventually leads to errors in the straightness detection of the workpiece.

Utility model content

Aiming at the deficiencies of the above-mentioned prior art, the technical problem to be solved by the utility model is: how to provide a straightening machine clamping device with simple structure, high straightening detection accuracy, short straightening time and high straightening efficiency.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A clamping device for a straightening machine, comprising a slide table, the upper surface of the slide table is slidably fitted with two top slide seats capable of sliding relative to each other along the horizontal direction, a top mechanism is arranged above the top slide seats, and the feature is that: The top mechanism includes a top support seat and a top installation seat located above the top support seat. The upper surface of the top support seat is provided with a vertical upward support column, and the top of the support column passes through a hinge shaft arranged along the sliding direction of the top slide seat. It is hingedly connected with the apex mounting bases, and the opposite sides of the two apex mounting bases are respectively rotated and equipped with coaxially opposite rotating apexes. The rotating apexes can rotate around the hinge axis with the hinge axis as the center. The top sliding seat below the rotating top is vertically provided with an elastic mechanism for supporting the top mounting seat, and a driving motor is fixedly connected to the side of the top mounting seat away from the rotating top, and the driving motor The drive shaft is matched with the rotating top transmission.

In the utility model, the workpiece is firstly placed between the two top slides, and then the top slides move relative to each other, so that the rotating top on it clamps the two ends of the workpiece, and at the same time, the supporting column of the elastic mechanism under the rotating top The top mount prevents the workpiece from contacting the support table below the workpiece. Start the driving motor to rotate the rotating top, so that the two coaxial rotating tops and the clamped workpiece rotate synchronously, so that the driven rotating center top is changed from the previous load part to the current loading part, and the moment of inertia can be reduced. The purpose of reducing the slippage between the workpiece and the rotary top, and improving the accuracy of alignment detection. After the straightening inspection is completed, the straightening head presses down from above the workpiece to carry out the straightening process. At this time, the downward pressure on the workpiece is transmitted to the top mounting seats at both ends, and the top mounting seats rotate downward around the hinge shaft, and at the same time, the elastic mechanism is adjusted. Squeeze, so that the workpiece touches the support platform below and is supported by the support platform to complete the straightening process. The straightening head is loosened, and the top mounting seat rotates upward around the hinge shaft under the force of the elastic mechanism, so that the workpiece leaves the support table, and the workpiece can be inspected repeatedly. The workload is reduced, the operation time of workpiece alignment is shortened, and the alignment efficiency is improved.

As an optimization, the upper surface of the top slide is provided with two horizontally parallel guide rails along the sliding direction of the top slide, and the bottom of the top support base is respectively provided with guide grooves for sliding cooperation with the two guide rails , the top mounting seat is slidingly matched with the elastic mechanism, and the top sliding seat is provided with a positioning device capable of positioning the top support seat. When straightening a plurality of shaft workpieces with the same or similar lengths, fine-tuning can be achieved only by adjusting the top support seat, and the operating efficiency is further improved.

As an optimization, the positioning device includes a telescopic mechanism located on one side of the drive motor, the telescopic mechanism includes a push rod capable of stretching along the length direction of the guide rail, the top end of the push rod is fixedly connected with the top support seat, and the A supporting frame for supporting the telescoping mechanism is arranged on the top sliding seat. The telescopic mechanism can be a hydraulic cylinder or an air cylinder, and the piston rod is used to push the movement of the top support seat, which can more conveniently control the displacement of the top support seat and improve the operation efficiency.

As an optimization, the upper surface of the slide table is provided with two horizontally parallel T-shaped slide grooves along the length direction of the guide rail, and the bottom of the top slide seat is respectively provided with two T-shaped slide grooves for sliding cooperation. As for the T-shaped slider, the two ends of the T-shaped chute are respectively provided with slider installation grooves capable of inserting the T-shaped slider into the T-shaped chute and slidingly matching with the T-shaped chute. The top sliding seat can move along the chute, and the chute provides guidance for it, so that the two rotating tops are located on the same center line, reducing the error caused by the movement and improving the accuracy of workpiece detection. In addition, the top sliding seat When sliding to the end of the T-shaped chute, the top slide seat can be removed from the slide table through the slide block installation groove. When the top mechanism fails, the entire top sliding seat can be replaced directly, and the maintenance work can be carried out separately to avoid the impact caused by equipment failure.

To sum up, the beneficial effect of the utility model lies in: the utility model has a simple structure, reduces the occurrence of slippage between the workpiece and the rotary top, improves the accuracy of the alignment detection, and reduces the workload of transferring and clamping the workpiece back and forth , shorten the operation time of workpiece straightening, and improve the straightening efficiency.

Description of drawings

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings, wherein:

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

Fig. 2 is the top view of the utility model;

Fig. 3 is a structural schematic diagram of the top mechanism in the utility model.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figures 1 to 3, a clamping device of a straightening machine in this specific embodiment includes a slide table 1, and the upper surface of the slide table 1 is slidably fitted with two top slides that can slide relative to each other along the horizontal direction. Seat 2, a top mechanism is provided above the top slide seat 2, the top mechanism includes a top support seat 3 and a top installation seat 4 above the top support seat 3, and a vertical upward support column is provided on the upper surface of the top support seat 3 5. The top of the support column 5 is hingedly connected to the top mount 4 through the hinge shaft 6 arranged along the sliding direction of the top slide 2, and the opposite sides of the two top mounts 4 are respectively rotated and fitted with the same The rotating top 7 arranged opposite to the shaft, the rotating top 7 can rotate around the hinge shaft 6 with the hinge shaft 6 as the center, and the top sliding seat 2 below the rotating top 7 is vertically provided with a support for supporting The elastic mechanism 8 of the top mounting base 4 is fixedly connected with a driving motor 9 on the side of the top mounting base 4 away from the rotating center 7 , and the driving shaft of the driving motor 9 is in transmission cooperation with the rotating center 7 .

In this specific embodiment, the upper surface of the top slide 2 is provided with two horizontally parallel guide rails 10 along the sliding direction of the top slide 2, and the bottom of the top support seat 3 is respectively provided with the two guide rails 10. The guide groove 11 for sliding fit of the guide rail 10, the sliding fit of the top mounting seat 4 and the elastic mechanism 8, and the positioning device capable of positioning the top support seat 3 are provided on the top sliding seat 2.

In this specific embodiment, the positioning device includes a telescopic mechanism 12 located on one side of the drive motor 9, and the telescopic mechanism 12 includes a push rod capable of extending and contracting along the length direction of the guide rail 10. The support base 9 is fixedly connected, and the top slide base 2 is provided with a support frame 13 for supporting the telescopic mechanism 12 .

In this specific embodiment, the upper surface of the slide table 1 is provided with two horizontally parallel T-shaped slide grooves 14 along the length direction of the guide rail 10, and the bottom of the top slide seat 2 is respectively provided with the two The T-shaped slide block that T-shaped chute 14 slides fits, and the two ends of described T-shaped chute 14 are respectively provided with and can insert in described T-shaped chute 14 and described T-shaped chute for described T-shaped chute 14. The slots are a sliding fit to the slider mounting slots 15 .

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described with reference to the preferred embodiment of the utility model, those of ordinary skill in the art should understand that, Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (4)

1. the clamping device of a straightener, comprise slide unit, the upper surface slide of slide unit is combined with two can the top slide of relative sliding in the horizontal direction, tip mechanism is provided with above top slide, it is characterized in that: described tip mechanism comprises top supporting seat and is positioned at the top mount pad above top supporting seat, the upper surface of top supporting seat is provided with support column straight up, described support column top is articulated and connected by the hinge that arranges along described top slide glide direction and described top mount pad, the side that two described top mount pads the are relative rotation be coaxially oppositely arranged that is rotatably assorted separately is top, rotate top can rotation around described hinge centered by described hinge, the described top slide being positioned at the top below of described rotation is provided with straight up the elastic mechanism for supporting described top mount pad, described top mount pad is fixedly connected with drive motors away from the side that described rotation is top, the driving shaft of drive motors coordinates with the top transmission of described rotation.

2. the clamping device of a kind of straightener according to claim 1, it is characterized in that: the upper surface of described top slide is provided with two guide rails of horizontal parallel along the glide direction of described top slide, the bottom of described top supporting seat is respectively equipped with the guide groove coordinated with two described slide, described top mount pad and described elastic mechanism are slidably matched, and described top slide is provided with the positioner that can make described top supporting seat location.

3. the clamping device of a kind of straightener according to claim 2, it is characterized in that: described positioner comprises the side being positioned at described drive motors and is provided with telescoping mechanism, telescoping mechanism comprises the push rod that can stretch along described rail length direction, the top of push rod is fixedly connected with described top supporting seat, and described top slide is provided with the bracing frame for supporting described telescoping mechanism.

4. the clamping device of a kind of straightener according to claim 2, it is characterized in that: the upper surface of described slide unit is provided with two T-shaped chutes of horizontal parallel along described rail length direction, the bottom of described top slide is respectively equipped with the T-shaped slide block that T-shaped slide described with two coordinates, and the two ends of described T-shaped chute are respectively equipped with and can be inserted into for described T-shaped slide block the slide block mounting groove coordinated with described T-shaped slide in described T-shaped chute.