Milling machine positioning tool for mechanical parts

Abstract

The utility model relates to the technical field of positioning tools, in particular to a milling machine positioning tool for mechanical parts. An adjusting groove is formed in the inner wall, and a movable plate rod is movably arranged in the adjusting groove; a tool positioning structure is movably mounted on the movable plate rod; the number of the positioning machine plates is two, a fixed side plate is integrally fixed to one ends of the two positioning machine plates, a two-way lead screw in spiral transmission with the movable plate rod is rotationally installed in the adjusting groove, and one end of the two-way lead screw rotationally penetrates through the inner side of the fixed side plate and is fixedly provided with a worm wheel. According to the utility model, the clamping plate in the tool positioning structure can be accurately adjusted in the vertical direction. A driving gear is rotated by means of a manual cross rod, a screw rod spirally moves in an adjusting screw frame through transmission of a driven gear, lifting operation of a clamping plate is achieved, accurate positioning can be conducted according to the height and shape characteristics of parts, and it is guaranteed that the positions of the parts on a milling machine are accurate from multiple dimensions.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning frock technical field, concretely relates to a milling machine positioning frock for mechanical parts. BACKGROUND

[0002] The milling machine positioning frock for mechanical parts is a positioning auxiliary device for mechanical parts, which has been widely used in the field of positioning frock; Chinese patent discloses a milling machine positioning frock for mechanical parts (authorized publication number CN216421718U), the patent technology discloses a milling machine positioning frock for mechanical parts, which can adaptively adjust according to the height of workpiece, improve positioning compatibility, improve processing efficiency and reduce use limitation; including connecting table, first connecting frame, first screw rod, first transmission wheel, second screw rod, second transmission wheel, drive belt, two sets of positioning plate, first gear, drive motor and second gear, the connecting table is connected with external milling machine, the fixed groove is set up on the connecting table, the bottom of the connecting table is provided with a plurality of connecting rods, the first connecting frame is installed in the lower part of the plurality of connecting rods, the top left side of the first connecting frame and the bottom left side of the connecting table are provided with first shaft seat, the first screw rod is installed on two sets of first shaft seat, the top of the first screw rod extends from the upper part of the connecting table, the first transmission wheel is installed on the first screw rod, the top right side of the first connecting frame and the bottom right side of the connecting table are provided with second shaft. The patent technology solves the problem that the current milling machine positioning frock for mechanical parts is mostly fixed by the fixture of fixed position to position the workpiece, cannot adaptively adjust according to the actual height of workpiece, the type range of positioning workpiece is relatively limited, use limitation is relatively high, and batch processing of workpiece is not conducive.

[0003] However, in the prior art, it is found that the fixed clamping mode along the middle position of the mechanical part is prone to shaking during slotting processing of the mechanical part, and the problem that the four corners of the mechanical part can be stably positioned in the prior art needs to be solved.

[0004] Therefore, the skilled in the art provides a milling machine positioning frock for mechanical parts to solve the problems raised in the background art. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides:

[0006] A milling machine positioning frock for mechanical parts, comprising:

[0007] A positioning machine plate is provided with an adjusting groove in the inner wall, and a movable plate rod is movably arranged inside the adjusting groove.

[0008] A frock positioning structure is movably installed on the movable plate rod.

[0009] Two positioning machine plates are provided, and a fixed side plate is fixed to one end of each of the two positioning machine plates, a two-way screw rod is rotatably installed in the adjusting groove and is in screw transmission with the moving plate rod, one end of the two-way screw rod is rotatably penetrated into the inner side of the fixed side plate, and a worm wheel is fixedly installed.

[0010] Preferably, the worm wheel is engaged with a worm, both ends of the worm are rotatably penetrated into the outer side of the fixed side plate, and a hand lever is fixedly installed.

[0011] Preferably, a fixed hole plate is fixedly installed on the outer wall of each of the two positioning machine plates.

[0012] Preferably, two moving track grooves are formed in the inner wall of the moving plate rod.

[0013] Preferably, the tool positioning structure comprises a positioning rail frame movably arranged outside the moving track groove, an adjusting screw frame is fixedly arranged at the position corresponding to the moving track groove, and a locking bolt is screwedly and rotatably installed on the outer side of the positioning rail frame.

[0014] Preferably, a limiting frame is movably arranged on the inner side of the adjusting screw frame, and a clamping plate is fixedly arranged at the top end of the limiting frame.

[0015] Preferably, a screw rod is rotatably installed on the inner side of the clamping plate, a driven gear is fixedly assembled at the position of the screw rod on the inner side of the clamping plate, the driven gear is engaged with a driving gear, and a cross rod is fixedly installed at the center of the driving gear and on the outer side of the clamping plate.

[0016] The technical effects and advantages of the present application are as follows:

[0017] The clamping plate in the tool positioning structure can be accurately adjusted in the vertical direction. The driving gear is rotated by the manual cross rod, the screw rod is screwedly moved in the adjusting screw frame through the transmission of the driven gear, the lifting operation of the clamping plate is realized, the accurate positioning can be performed according to the height and shape characteristics of the parts, and the position of the parts on the milling machine is accurately ensured from multiple dimensions.

[0018] The present application has the adjustable moving plate rod and the tool positioning structure, the device can meet the clamping and positioning requirements of mechanical parts of various shapes and sizes, has strong universality in the field of mechanical processing, does not need to specially customize a clamp for different parts, reduces the types and cost of the clamp, and improves the comprehensive utilization rate of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of a milling machine positioning tool for mechanical parts provided by the present application;

[0020] Figure 2 is a structural schematic view of the milling machine positioning tool for mechanical parts provided by the present application in a top view.

[0021] Figure 3 is a structure diagram of the adjusting groove in the milling machine positioning tool for mechanical parts provided by the present application;

[0022] Figure 4 is a structure diagram of the positioning rail frame in the milling machine positioning tool for mechanical parts provided by the present application;

[0023] Figure 5 is a structure diagram of the driving gear in the milling machine positioning tool for mechanical parts provided by the present application.

[0024] In the figure:

[0025] 1, positioning machine plate; 2, moving plate rod;

[0026] 3, tool positioning structure; 301, positioning rail frame; 302, adjusting screw box; 303, limiting box; 304, clamping plate; 305, screw rod; 306, driven gear; 307, driving gear; 308, cross rod; 309, locking pin;

[0027] 4, fixed hole plate; 5, fixed side plate; 6, adjusting groove; 7, bidirectional screw rod; 8, worm gear; 9, worm; 10, hand lever; 11, rail moving groove. DETAILED DESCRIPTION

[0028] The present application will be further described in detail below in conjunction with the drawings and specific embodiments. The examples of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications for specific purposes.

[0029] Embodiment, please refer to Figures 1-5 In the present embodiment, a milling machine positioning tool for mechanical parts is provided, comprising: a positioning machine plate 1; an inner wall is provided with an adjusting groove 6, the adjusting groove 6 is movably provided with a moving plate rod 2; the moving plate rod 2 is movably provided with a tool positioning structure 3;

[0030] The positioning machine plate 1 is two in total, and one end of the two positioning machine plates 1 is integrally provided with a fixed side plate 5, the adjusting groove 6 is rotatably provided with a bidirectional screw rod 7 which is in screw transmission with the moving plate rod 2, one end of the bidirectional screw rod 7 is rotatably penetrated into the inner side of the fixed side plate 5, and the worm gear 8 is fixedly installed.

[0031] The worm wheel 8 is engaged with a worm 9, both ends of the worm 9 are rotatably penetrated outside the fixed side plate 5, and a hand lever 10 is fixed. The outer wall of both ends of the positioning machine plate 1 is integrally fixed with a fixed hole plate 4. The inner wall of the moving plate rod 2 is provided with two moving rail grooves 11.

[0032] The tool positioning structure 3 comprises a positioning rail frame 301 movably arranged outside the moving rail groove 11, an adjusting screw frame 302 movably arranged outside the positioning rail frame 301, and a locking bolt 309 rotatably arranged outside the adjusting screw frame 302.

[0033] The inner side of the clamping plate 304 is rotatably provided with a screw rod 305 inside the limiting frame 303, and the part of the screw rod 305 inside the clamping plate 304 is fixedly provided with a driven gear 306. The driven gear 306 is engaged with a driving gear 307, and the driving gear 307 is fixedly provided with a cross rod 308 outside the clamping plate 304.

[0034] The working principle of the present application is as follows:

[0035] The positioning machine plate 1 is installed on the milling machine through the fixed hole plate 4, and the distance between the two moving plate rods 2 is adjusted according to the specifications of the mechanical parts. When adjusting, the hand lever 10 is rotated, the hand lever 10 is rotated to drive the worm 9 to rotate inside the fixed side plate 5, the worm 9 is engaged with the worm wheel 8, and the two bidirectional screws 7 are rotated with the worm wheel 8. The moving plate rod 2 can move the position of the mechanical parts according to the width of the moving plate rod 2 through the rotating bidirectional screw 7.

[0036] After adjusting the position of the tool positioning structure 3 corresponding to the mechanical parts, the locking bolt 309 is locked and fixed;

[0037] Then the clamping plate 304 is placed inside the adjusting screw frame 302 through the limiting frame 303, and the hand-operated cross rod 308 is rotated. The cross rod 308 is rotated to drive the driving gear 307, the driving gear 307 is engaged with the driven gear 306, and the driven gear 306 is rotated. The rotating driven gear 306 can rotate the screw rod 305, so that the screw rod 305 is screw driven along the adjusting screw frame 302, and the clamping plate 304 is lowered to the top of the mechanical parts. The four tool positioning structures 3 can position the mechanical parts on the milling machine, and the milling is processed.

[0038] In the utility model, unless another definite provision and limitation, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for ordinary skill in the art to the person, can according to specific circumstances understanding the specific meaning of the above-mentioned terms in the utility model.

[0039] Obviously, the described embodiments are only part of the embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art and related fields without creative work shall belong to the scope of protection of the utility model. The structure, device and operation method not specifically described and explained in the utility model, if no special description and limitation, are implemented according to conventional means in the art.

Claims

1. A milling machine positioning fixture for mechanical parts, characterized in that, include: Positioning plate (1); an adjustment groove (6) is provided on the inner wall, and a movable plate rod (2) is movably arranged inside the adjustment groove (6); A tooling positioning structure (3) is movably installed on the movable plate rod (2); There are two positioning plates (1), and one end of each positioning plate (1) is fixed with a fixed side plate (5). The adjusting groove (6) is rotatably installed with a two-way screw (7) that is screw-driven with the moving plate rod (2). One end of the two-way screw (7) rotatably passes through the inside of the fixed side plate (5) and is fixedly installed with a worm gear (8).

2. The milling machine positioning fixture for mechanical parts according to claim 1, characterized in that, The worm gear (8) is engaged with a worm (9), both ends of which rotate through the outside of the fixed side plate (5) and are fixed with a handle (10).

3. The milling machine positioning fixture for mechanical parts according to claim 1, characterized in that, Both ends of the positioning machine plates (1) are fixed with fixing holes (4).

4. The milling machine positioning fixture for mechanical parts according to claim 1, characterized in that, The inner wall of the movable plate rod (2) has two sliding grooves (11).

5. A milling machine positioning fixture for mechanical parts according to claim 1, characterized in that, The tooling positioning structure (3) includes a positioning rail frame (301) movably disposed outside the transfer rail groove (11). The positioning rail frame (301) is fixedly provided with an adjusting screw frame (302) corresponding to the position of the transfer rail groove (11). A locking bolt (309) is spirally installed on the outside of the positioning rail frame (301).

6. A milling machine positioning fixture for mechanical parts according to claim 5, characterized in that, A limiting frame (303) is movably provided inside the adjusting screw frame (302), and a clamping plate (304) is fixedly provided at the top of the limiting frame (303).

7. A milling machine positioning fixture for mechanical parts according to claim 6, characterized in that, A screw (305) located inside the limiting frame (303) is rotatably mounted on the inner side of the clamping plate (304). A driven gear (306) is fixedly mounted on the part of the screw (305) located inside the clamping plate (304). The driven gear (306) meshes with the driving gear (307). A cross bar (308) located outside the clamping plate (304) is fixedly mounted at the center of the driving gear (307).

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