Clamping device for multi-surface machining of valve body

Abstract

The utility model relates to the technical field of valve body machining, in particular to a clamping device for multi-face machining of a valve body. Comprising a bottom box, a motor is fixedly connected into the bottom box, a bidirectional screw rod is arranged at the output end of the motor, screw rod sleeves are in threaded connection with the outer sides of the two ends of the bidirectional screw rod, limiting sliding blocks in sliding connection with the top wall of the bottom box are fixedly connected to the tops of the two screw rod sleeves, right-angle rods are fixedly connected to the tops of the limiting sliding blocks, and clamping blocks are fixedly connected to one ends of the right-angle rods; the top of the bottom box is in sliding connection with two sliding type clamping mechanisms. The utility model aims to solve the technical problems of non-uniform clamping force, low positioning accuracy, complicated operation, low machining efficiency and the like of the conventional clamping device in the multi-surface machining process of the valve body.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body processing technical field especially relates to a valve body multi -surface machining clamping device. BACKGROUND

[0002] In modern manufacturing industry, as an important component for controlling fluid flow in pipeline, the quality of valve is directly related to the running efficiency and safety performance of the whole system. Therefore, the machining precision and surface quality requirement of valve are very high. In order to ensure that the valve can keep stable during multi-angle multi-surface machining process, clamping device becomes an indispensable tool.

[0003] Traditional clamping device is usually manually operated, and the clamping position is single, thereby there are problems such as uneven clamping force, low positioning accuracy, complicated operation, low machining efficiency and the like, which are difficult to meet the machining demand of modern high precision and high efficiency. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is that the existing clamping device has the problems such as uneven clamping force, low positioning accuracy, complicated operation and low machining efficiency during valve multi-surface machining process.

[0005] In order to solve the above technical problem, the utility model adopts the technical scheme that a valve multi-surface machining clamping device, including bottom box, the bottom box is fixedly connected with motor in, the output end of motor is equipped with two-way screw rod, both ends of two-way screw rod outside are all screw threadedly connected with screw rod sleeve, two screw rod sleeves top are all fixedly connected with the limit sliding block of bottom box top wall sliding connection, the limit sliding block top is fixedly connected with the right angle link, the right angle link one end is fixedly connected with the clamping block, the bottom box top is slidingly connected with two sliding type clamping mechanisms.

[0006] As a further improvement of the utility model, the sliding type clamping mechanism includes the movable plate of bottom box sliding connection, the movable plate is fixedly connected with the stand plate, the movable plate is fixedly connected with the telescopic link, the telescopic link's movable end is fixedly connected with the curved support rod, the curved support rod both ends are all hinged with the connecting rod of stand plate rotation connection, the connecting rod is away from the curved support rod one end hinged with the connecting seat, the connecting seat one side is fixedly connected with the arc clamping plate.

[0007] As a further improvement of the utility model, the movable plate bottom is fixedly connected with two guide sliding blocks, the bottom box top wall is equipped with the guide sliding groove of guide sliding block sliding.

[0008] As a further improvement of the utility model, the curved support rod and connecting rod are hinged through the first rotation axis, the connecting rod and connecting seat are hinged through the second rotation axis, and the connecting rod is rotationally connected with the stand plate through the third rotation axis.

[0009] As a further improvement of the utility model, the bidirectional screw rod is rotatably connected to the side wall of the bottom box through a bearing at the end away from the motor.

[0010] As a further improvement of the utility model, the limiting sliding block penetrates through the top wall of the bottom box, and the top wall of the bottom box is provided with a limiting sliding groove for the limiting sliding block to pass through and slide.

[0011] The utility model discloses the beneficial effects of (1) the clamping force is even and adjustable: the utility model discloses a motor drives bidirectional screw rod, and the screw rod sleeve of the outer side of the both ends of bidirectional screw rod drives limiting sliding block synchronous movement, so that the clamping block can evenly exert the clamping force to the valve body, and simultaneously, the utility model discloses the cooperation of telescopic link and bent support rod, and the sliding type clamping mechanism can adapt to the valve body of different sizes, ensures that the clamping force remains stable in the whole machining process, greatly improves the machining precision and product consistency.

[0012] (2) positioning accuracy is high, and operation is convenient: the clamping device of the utility model adopts the double sliding structure of limiting sliding block and guide sliding block, ensures the accurate positioning of the valve body in the machining process, and the sliding connection design of movable plate and vertical stand plate makes the operator can easily adjust the position of the clamping device, does not need to reposition and clamps for many times, greatly simplifies the operation steps, and improves the machining efficiency.

[0013] (3) simple structure, low cost and easy to maintain: the utility model discloses the whole device structure is simple, reduces the use of complex transmission parts and hydraulic system, reduces the manufacturing cost and maintenance cost, and the design of guide sliding block and sliding groove makes the device more stable in the running process, reduces the abrasion, prolongs the service life, simultaneously, the design of arc clamping plate can better fit the valve body surface, reduces the damage risk when clamping, further improves the reliability and applicability of the equipment. ACCURACY

[0014] Figure 1 It is the whole structure schematic view of a valve body multi-surface machining clamping device of the utility model;

[0015] Figure 2 It is the partial sectional view of a valve body multi-surface machining clamping device of the utility model; Figure 1

[0016] Figure 3 It is the partial sectional view of a valve body multi-surface machining clamping device of the utility model; Figure 2

[0017] Figure 4 It is the partial structure schematic view of a valve body multi-surface machining clamping device of the utility model;

[0018] Figure 5 ​​It is the sliding type clamping mechanism structure schematic view of the valve body multi-surface machining clamping device.

[0019] As shown in the figure: 1, bottom box; 2, motor; 3, bidirectional screw rod; 4, screw rod sleeve; 5, limit sliding block; 6, right angle rod; 7, clamping block; 8, sliding type clamping mechanism; 801, movable plate; 802, stand plate; 803, telescopic rod; 804, bent support rod; 805, connecting rod; 806, connecting seat; 807, arc clamping plate; 808, guide sliding block; 809, guide sliding groove; 810, first rotating shaft; 811, second rotating shaft; 812, third rotating shaft; 9, bearing; 10, limit sliding groove. DETAILED DESCRIPTION

[0020] In the present specification, the orientation terms such as upper, lower, left, right, front, back, front face, back face, top, bottom, etc. are defined with respect to its configuration, and they are relative concepts. Therefore, it is possible to change accordingly according to different positions, different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0021] In the present specification, the singular forms "a", "an" and "the" are intended to include plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0022] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and not to limit the present application.

[0023] The utility model provides a kind of valve body multi-surface machining clamping device as shown in the figure Figures 1-5 As shown in the figure: 1, bottom box; 2, motor; 3, bidirectional screw rod; 4, screw rod sleeve; 5, limit sliding block; 6, right angle rod; 7, clamping block; 8, sliding type clamping mechanism; 801, movable plate; 802, stand plate; 803, telescopic rod; 804, bent support rod; 805, connecting rod; 806, connecting seat; 807, arc clamping plate; 808, guide sliding block; 809, guide sliding groove; 810, first rotating shaft; 811, second rotating shaft; 812, third rotating shaft; 9, bearing; 10, limit sliding groove.

[0024] As shown in the figure: Figure 5As shown, the sliding type clamping mechanism 8 includes the movable plate 801 slidably connected with the bottom box 1, the stand plate 802 is fixedly connected on the movable plate 801, the telescopic rod 803 is fixedly connected on the movable plate 801, the movable end of the telescopic rod 803 is fixedly connected with the bent support rod 804, the both ends of the bent support rod 804 are hingedly connected with the connecting rod 805 rotatably connected with the stand plate 802, the connecting rod 805 is hingedly connected with the connecting seat 806 away from the bent support rod 804, the arc-shaped clamping plate 807 is fixedly connected on one side of the connecting seat 806, the two guide sliding blocks 808 are fixedly connected on the bottom of the movable plate 801, the guide sliding groove 809 for the guide sliding block 808 to slide is arranged on the top wall of the bottom box 1, the bent support rod 804 and the connecting rod 805 are hingedly connected through the first rotating shaft 810, the connecting rod 805 and the connecting seat 806 are hingedly connected through the second rotating shaft 811, the connecting rod 805 is rotatably connected with the stand plate 802 through the third rotating shaft 812, through the sliding of the movable plate 801 of the sliding type clamping mechanism 8 in the guide sliding groove 809 through the guide sliding block 808, the position can be adjusted according to the requirement, so as to adapt to the valve body of different sizes. The telescopic movement of the telescopic rod 803 is driven by the hinged relationship between the bent support rod 804 and the connecting rod 805, the connecting seat 806 and the arc-shaped clamping plate 807 are used to clamp the side surface of the valve body, the design of the arc-shaped clamping plate 807 can better fit the surface of the valve body, and the uniform distribution of the clamping force is guaranteed.

[0025] Working principle: the utility model discloses in specific implementation, first, the valve body is placed at the top of bottom box 1, and the both ends of valve body are located at two sliding type clamping mechanisms 8 respectively, then start motor 2, and the output end of motor 2 drives bidirectional screw rod 3 to rotate.Bidirectional screw rod 3 rotates, and the screw rod sleeve 4 of both ends of it will move inwards or outwards along the thread direction of screw rod simultaneously, because the screw rod sleeve 4 is fixedly connected with limit sliding block 5, and limit sliding block 5 slides through the limit sliding slot 10 on the top wall of bottom box 1, therefore limit sliding block 5 will slide inwards or outwards simultaneously along with the movement of screw rod sleeve 4.Limit sliding block 5 top fixedly connected with right angle rod 6, and one end of right angle rod 6 is fixedly connected with clamping block 7.When limit sliding block 5 moves, right angle rod 6 and clamping block 7 also move simultaneously, thereby clamping or loosening the two sides of valve body.Two sliding type clamping mechanisms 8 are slidably connected with the guide sliding slot 809 of the top wall of bottom box 1 through movable plate 801, and can be manually or automatically adjusted position according to the size of valve body.When telescopic rod 803 extends, the movable end fixedly connected curved support rod 804 will push up.Curved support rod 804 both ends are hinged with connecting rod 805 through first rotating shaft 810, and connecting rod 805 is rotatably connected with vertical stand plate 802 through third rotating shaft 812.Therefore, when curved support rod 804 moves, connecting rod 805 will rotate correspondingly, and the end of connecting rod 805 away from curved support rod 804 moves through the hinged connecting seat 806 of second rotating shaft 811.The arc-shaped clamping plate 807 fixedly connected on one side of connecting seat 806 will move inwards or outwards along with the rotation of connecting rod 805, thereby clamping or loosening the both ends of valve body.In this way, the valve body can be clamped simultaneously in multiple directions, ensuring that it remains stable during multi-surface machining.

[0026] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the utility model embodiments.

Claims

1. A valve body multi-surface machining clamping device comprising a base box (1), characterized in that: The bottom box (1) is fixedly connected with a motor (2), the output end of the motor (2) is provided with a bidirectional screw rod (3), the outer sides of the two ends of the bidirectional screw rod (3) are threadedly connected with screw rod sleeves (4), the top of each of the two screw rod sleeves (4) is fixedly connected with a limiting sliding block (5) which is in sliding connection with the top wall of the bottom box (1), the top of the limiting sliding block (5) is fixedly connected with a right-angle rod (6), one end of the right-angle rod (6) is fixedly connected with a clamping block (7), the top of the bottom box (1) is slidingly connected with two sliding clamping mechanisms (8), the sliding clamping mechanism (8) comprises a movable plate (801) which is in sliding connection with the bottom box (1), the movable plate (801) is fixedly connected with a vertical support plate (802), the movable plate (801) is fixedly connected with a telescopic rod (803), the movable end of the telescopic rod (803) is fixedly connected with a bent support rod (804), the two ends of the bent support rod (804) are hingedly connected with connecting rods (805) which are in rotational connection with the vertical support plate (802), one end of the connecting rod (805) away from the bent support rod (804) is hingedly connected with a connecting seat (806), one side of the connecting seat (806) is fixedly connected with an arc-shaped clamping plate (807).

2. The valve body multi-surface machining clamping device according to claim 1, characterized in that: The bottom of the movable plate (801) is fixedly connected with two guide sliding blocks (808), the top wall of the bottom box (1) is provided with guide sliding grooves (809) for the sliding of the guide sliding blocks (808).

3. The valve body multi-surface machining clamping device according to claim 1, characterized in that: The bent support rod (804) and the connecting rod (805) are hingedly connected through a first rotating shaft (810), the connecting rod (805) and the connecting seat (806) are hingedly connected through a second rotating shaft (811), and the connecting rod (805) is in rotational connection with the vertical support plate (802) through a third rotating shaft (812).

4. The valve body multi-surface machining clamping device according to claim 1, characterized in that: One end of the bidirectional screw rod (3) away from the motor (2) is rotatably connected with the side wall of the bottom box (1) through a bearing (9).

5. The valve body multi-surface machining clamping device according to claim 1, characterized in that: The limiting sliding block (5) penetrates through the top wall of the bottom box (1), and the top wall of the bottom box (1) is provided with a limiting sliding groove (10) for the penetration and sliding of the limiting sliding block (5).

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