Ball screw nut pair machining jig convenient to adjust

Abstract

The utility model discloses a ball screw nut pair machining jig convenient to adjust, which comprises a fixed plate, a first movable plate, a second movable plate and a synchronous assembly, and the fixed plate, the first movable plate and the second movable plate are movably arranged mutually. One end of the first movable plate and one end of the second movable plate are each provided with a fixing assembly for clamping the end of a lead screw. The synchronous assembly comprises a gear, a rack, a rack fixing block and a rack movable sleeve. As the gear is rotationally connected with the fixed plate, the two groups of racks are fixedly connected with the first movable plate or the second movable plate respectively, and the racks are meshed with the gear, the two groups of racks can be driven to be meshed through the rotation of the gear; and the first movable plate and the second movable plate are controlled to move close to or away from each other synchronously under the limitation of the rack movable sleeve and the rack fixing block, so that lead screws with different lengths can be quickly adjusted and clamped, the adjustment is convenient, and the clamping efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball screw nut pair jig technical field, specifically a ball screw nut pair processing jig convenient to adjust. BACKGROUND

[0002] Ball screw nut pair is a kind of high-efficiency mechanical transmission device, is used to convert rotary motion into linear motion. It passes through using ball to transmit force between screw and nut, thereby reduce friction resistance, improve transmission efficiency and precision.

[0003] The patent with publication number CN211966718U discloses a screw processing jig, which specifically discloses a "screw processing jig", which comprises a processing jig main body, a stable chip removal mechanism, a left side plate and a right side plate are fixedly installed on the upper end outer surface of the processing jig main body, the left side plate is located on one side of the stable chip removal mechanism, the right side plate is located on the other side of the stable chip removal mechanism, a lubricating mechanism is arranged on the outer surface of one side of the left side plate, and a fastener is arranged on the outer surface of one side of the right side plate", which realizes the technical scheme of "the screw processing jig, which is provided with a stable chip removal mechanism and a lubricating mechanism, can increase the stability during processing of the screw, prevent the screw from shaking due to being too long, ensure the processing quality, effectively remove the chips on the screw during processing, lubricate the screw during processing, reduce the friction during processing, improve the processing efficiency, is convenient for people to use, and brings better use prospect".

[0004] However, the patent cannot adjust the jig simultaneously, and needs to adjust the two sides of the jig separately to adapt to the processing requirements of the ball screw nut pair, which still affects the processing efficiency of the ball screw nut pair. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a ball screw nut pair processing jig convenient to adjust to solve the problems in the above background.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A jig convenient to adjust for ball screw nut pair processing, including fixed plate, first movable plate, second movable plate and synchronous assembly, it is set up mutually for the movable between fixed plate, first movable plate and second movable plate, one end of first movable plate and second movable plate all is provided with the fixed component that supplies the screw rod end head clamping, the synchronous assembly includes gear, rack, rack fixed block and rack movable sleeve, gear is connected with the rotation of fixed plate, two groups rack are connected with first movable plate or second movable plate fixedly, rack is connected with gear meshing.

[0007] As a further scheme of the utility model: A jig convenient to adjust for ball screw nut pair processing, the fixed component includes second fixed plate, hydraulic cylinder and needle head, one side of first movable plate or second movable plate is connected with second fixed plate fixedly, hydraulic cylinder is connected with second fixed plate fixedly, the output end of hydraulic cylinder is connected with needle head fixedly, needle head is matched with screw rod end head.

[0008] As a further scheme of the utility model: A jig convenient to adjust for ball screw nut pair processing, one side of first movable plate is fixedly installed with the plugboard, the inside of second movable plate is set up with plugboard movable slot, plugboard is connected with plugboard movable slot movably.

[0009] As a further scheme of the utility model: A jig convenient to adjust for ball screw nut pair processing, the inside of plugboard movable slot is fixedly installed with the limiting rod, the inside of plugboard is set up with the sliding hole matched with limiting rod.

[0010] As a further scheme of the utility model: A jig convenient to adjust for ball screw nut pair processing, one side of first movable plate or second movable plate is connected with rack movable sleeve fixedly respectively, the side of rack away from rack movable sleeve is connected with first movable plate or second movable plate fixedly through rack fixed block respectively, rack is connected with rack movable sleeve movably.

[0011] As a further scheme of the utility model: A jig convenient to adjust for ball screw nut pair processing, further include adjusting handle, the end of gear away from fixed plate is connected with adjusting handle fixedly.

[0012] As a further scheme of the utility model: A jig convenient to adjust for ball screw nut pair processing, one side of first movable plate or second movable plate is fixedly installed with base.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] Since the gear is rotationally connected with the fixed plate, the two groups of racks are fixedly connected with the first movable plate or the second movable plate and are in meshing connection with the gear, thus the two groups of racks can be driven to mesh by rotation of the gear, and the first movable plate and the second movable plate are controlled to synchronously move close to or away from each other under the limiting of the rack movable sleeve and the rack fixed block, so that the ball screw of different lengths can be quickly adjusted and clamped, the adjustment is convenient, and the clamping efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the overall structure of the jig for machining the ball screw nut pair convenient to adjust;

[0016] Figure 2 It is a split structure schematic view of the fixed plate, the first movable plate and the second movable plate in the jig for machining the ball screw nut pair convenient to adjust;

[0017] Figure 3 It is a structure schematic view of the synchronous assembly in the jig for machining the ball screw nut pair convenient to adjust;

[0018] In the figure: 1, fixed plate; 2, first movable plate; 21, plug plate; 3, second movable plate; 31, plug plate movable groove; 32, limiting rod; 4, base; 5, fixed assembly; 51, second fixed plate; 52, hydraulic cylinder; 53, thimble head; 6, adjusting handle; 7, synchronous assembly; 71, gear; 72, rack; 73, rack fixed block; 74, rack movable sleeve. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0020] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments will be described below according to the overall structure of the utility model.

[0021] In the embodiment of the utility model, a jig for ball screw nut pair machining convenient to adjust, including fixed plate 1, first movable plate 2, second movable plate 3 and synchronous assembly 7, the fixed plate 1, first movable plate 2 and second movable plate 3 are mutually movable, one end of the first movable plate 2 and second movable plate 3 is provided with the fixed assembly 5 for the clamping of screw rod end head;

[0022] The synchronous assembly 7 includes gear 71, rack 72, rack fixed block 73 and rack movable sleeve 74, the gear 71 is rotatably connected with the fixed plate 1, two groups of rack 72 are fixedly connected with the first movable plate 2 or the second movable plate 3 respectively, the rack 72 is engagedly connected with the gear 71.

[0023] Because the gear 71 is rotatably connected with the fixed plate 1, two groups of rack 72 are fixedly connected with the first movable plate 2 or the second movable plate 3 respectively and the rack 72 is engagedly connected with the gear 71, therefore, the two groups of rack 72 can be driven to engage by the rotation of the gear 71, and the first movable plate 2 and the second movable plate 3 can be controlled to move synchronously close or away under the limiting of the rack movable sleeve 74 and the rack fixed block 73, so that the screw rod of different lengths can be quickly adjusted and clamped, the adjustment is convenient, and the clamping efficiency is high.

[0024] As a further scheme of the utility model: a ball screw nut pair processing jig convenient to adjust, the fixed assembly 5 includes second fixed plate 51, hydraulic cylinder 52 and thimble head 53, one side of first movable plate 2 or second movable plate 3 is fixedly connected with second fixed plate 51, hydraulic cylinder 52 is fixedly connected with second fixed plate 51, the output end of hydraulic cylinder 52 is fixedly connected with thimble head 53, and thimble head 53 is adapted with screw end head.

[0025] As a further scheme of the utility model: a ball screw nut pair processing jig convenient to adjust, the first movable plate 2 one side is fixedly installed with the plugboard 21, the second movable plate 3 inside is set up with the plugboard movable slot 31, and the plugboard 21 is movably connected with the plugboard movable slot 31.

[0026] As a further scheme of the utility model: a ball screw nut pair processing jig convenient to adjust, the plugboard movable slot 31 inside is fixedly installed with the limiting rod 32, and the plugboard 21 inside is set up with the sliding hole matched with the limiting rod 32.

[0027] As a further scheme of the utility model: a ball screw nut pair processing jig convenient to adjust, the first movable plate 2 or second movable plate 3 one side is fixedly connected with rack movable sleeve 74 respectively, and the rack 72 away from rack movable sleeve 74 one side is fixedly connected with first movable plate 2 or second movable plate 3 through rack fixed block 73 respectively, and the rack 72 is movably connected with rack movable sleeve 74.

[0028] As a further scheme of the utility model: a ball screw nut pair processing jig convenient to adjust, further include adjusting handle 6, and the gear 71 away from the one end of fixed plate 1 is fixedly connected with adjusting handle 6.

[0029] As a further scheme of the utility model: a ball screw nut pair processing jig convenient to adjust, the first movable plate 2 or second movable plate 3 one side is fixedly installed with base 4.

[0030] The working principle of the utility model is: because gear 71 is rotatably connected with fixed plate 1, two groups of rack 72 are fixedly connected with first movable plate 2 or second movable plate 3 respectively and rack 72 is meshed with gear 71, so that two groups of rack 72 can be driven to mesh by the rotation of gear 71, and first movable plate 2 and second movable plate 3 are controlled to move synchronously close or away under the limiting of rack movable sleeve 74 and rack fixed block 73, so that different length screws can be quickly adjusted and clamped, and the adjustment is convenient, and the clamping efficiency is high.

[0031] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A jig for machining ball screw nut pairs that is easy to adjust, characterized in that: The invention comprises a fixed plate (1), a first movable plate (2), a second movable plate (3) and a synchronization component (7); the fixed plate (1), the first movable plate (2) and the second movable plate (3) are arranged to be movable relative to each other; one end of each of the first movable plate (2) and the second movable plate (3) is provided with a fixed component (5) for clamping the end of the lead screw; The synchronization assembly (7) includes a gear (71), a rack (72), a rack fixing block (73) and a rack movable sleeve (74); the gear (71) is rotationally connected to the fixed plate (1); the two groups of racks (72) are fixedly connected to the first movable plate (2) or the second movable plate (3), respectively; and the racks (72) are meshed with the gear (71).

2. The easy-to-adjust ball screw nut pair processing jig according to claim 1, characterized in that: The fixing assembly (5) comprises a second fixing plate (51), a hydraulic cylinder (52) and a thimble head (53); one side of the first movable plate (2) or the second movable plate (3) is fixedly connected to the fixing plate (51); the hydraulic cylinder (52) is fixedly connected to the fixing plate (51); the output end of the hydraulic cylinder (52) is fixedly connected to the thimble head (53); and the thimble head (53) is adapted to the end of the lead screw.

3. The easy-to-adjust ball screw nut pair processing jig according to claim 2, characterized in that: A plugging plate (21) is fixedly mounted on one side of the first movable plate (2), and a plugging plate movable groove (31) is provided inside the second movable plate (3), and the plugging plate (21) is movably connected to the plugging plate movable groove (31).

4. The easy-to-adjust jig for processing ball screw nut pairs according to claim 3, characterized in that: A limiting rod (32) is fixedly installed inside the inserting plate movable groove (31), and a sliding hole adapted to the limiting rod (32) is opened inside the inserting plate (21).

5. The easy-to-adjust ball screw nut pair processing jig according to claim 4, characterized in that: One side of the first movable plate (2) or the second movable plate (3) is fixedly connected to the rack movable sleeve (74), and the side of the rack (72) away from the rack movable sleeve (74) is fixedly connected to the first movable plate (2) or the second movable plate (3) via a rack fixing block (73), and the rack (72) is movably connected to the rack movable sleeve (74).

6. The easy-to-adjust jig for processing ball screw nut pairs according to claim 5, characterized in that: It also includes an adjusting handle (6), and the end of the gear (71) away from the fixing plate (1) is connected to the adjusting handle (6 ) Fixed connection.

7. The easy-to-adjust jig for processing ball screw nut pairs according to claim 6, characterized in that: A base (4) is fixedly mounted on one side of the first movable plate (2) or the second movable plate (3).

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