Clamp for mechanical parts

Abstract

The clamp for the mechanical parts comprises a plate body, a first through groove is formed in the plate body, two fixing plates are fixed in the first through groove, a first rotating shaft is rotationally installed in each fixing plate through a bearing, and a second rotating shaft is rotationally installed in each first rotating shaft through a bearing. A first bevel gear is fixed to the position, located between the fixing plates, of the outer wall of the first rotating shaft, a second rotating shaft is rotationally installed in the plate body through a bearing, a second bevel gear is fixed to the end of the second rotating shaft, and the second bevel gear is connected with the first bevel gear in a meshed mode; according to the clamp for the mechanical part, a through groove does not need to be formed in the top of the plate body, it is guaranteed that the part generated by machining of the mechanical part cannot fall onto a thread on the first rotating shaft, and the machining efficiency is improved. And threads on the first rotating shaft are prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, specifically is a kind of fixture for mechanical parts. BACKGROUND

[0002] Fixture is the device used to fix the processing object in the mechanical manufacturing process, so that it occupies the correct position to accept construction or detection.

[0003] As the authorized announcement No.CN221871111U of Chinese utility model patent, a kind of mechanical fixture table for part processing is disclosed, including installation disc, the installation disc top is connected with rotating column by bearing movably, the rotating column top is fixedly connected with rotating disc, the rotating disc upper portion is provided with several evenly divided arc clamping blocks, the arc clamping block bottom is fixedly connected with moving block, the rotating disc top is provided with the through slot matched with moving block, the moving block bottom extends into moving slot, the rotating disc is provided with hollow slot, the hollow slot is provided with rough cylinder.The utility model is by a series of structures so that the device has the characteristics such as high degree of convenient adjustment and clamping convenient.

[0004] The above-mentioned authorized patent can only clamp and fix cylindrical mechanical parts during use, resulting in poor versatility, and when machining mechanical parts, hard debris generated will fall onto the threaded rod through the through slot, which can cause damage to the threaded rod and easily cause blockage of the through slot

[0005] In view of the above problems, it is urgent to make innovative design on the basis of the original mechanical parts clamp. UTILITY MODEL CONTENT

[0006] The utility model is to provide a kind of mechanical parts clamp, to solve the problems raised in the above background art.

[0007] To achieve the above object, the utility model provides following technical scheme: A kind of fixture for mechanical parts, the inside of the plate body is equipped with first through slot, the inside of the first through slot is fixed with fixed plate, and fixed plate is provided with two, the inside of the fixed plate is rotatably installed with first rotating shaft by bearing, the outer wall of the first rotating shaft is fixed with first bevel gear between fixed plate, the inside of the plate body is rotatably installed with second rotating shaft by bearing, the end of the second rotating shaft is fixed with second bevel gear, the second bevel gear is engaged with first bevel gear, the end of the second rotating shaft is fixed with handle outside the plate body, the outside of the first rotating shaft is provided with first movable plate, the end of the first movable plate is in the inside of first through slot, the outside of the top of the first movable plate is fixed with second movable plate in the plate body, the end of the second movable plate is provided with chuck by fixed mechanism, and the outside of second movable plate and chuck is mutually pasted with the top of plate body, the bottom of the first movable plate is provided with anti-drop mechanism.

[0008] Preferably, the fixed mechanism includes a docking block, one side of the chuck is fixed with a docking block, the docking block is located in the docking groove, the docking groove is provided at the end of the second movable plate, a second through groove is provided at the top of the docking groove, a groove is provided at the inner side of the second through groove, a limiting groove is provided at the top of the docking block, a limiting rod is installed at the lower end of the limiting groove, a handle is fixed at the upper end of the limiting rod penetrating the inside of the second through groove, a movable block is fixed at one side of the limiting rod, the movable block is located in the groove, a spring is fixed at the top of the movable block, the top of the spring is fixedly connected with the top of the groove.

[0009] Preferably, the docking block and the docking groove are engagedly connected, one side of the top of the docking block and one side of the bottom of the limiting rod are provided with inclined surfaces, the two inclined surfaces are designed to be parallel to each other, the limiting rod and the second through groove are slidingly connected, and the movable block and the groove are slidingly connected.

[0010] Preferably, the anti-drop mechanism includes an anti-drop groove and an anti-drop block, the bottom of the first through groove is provided with an anti-drop groove, the anti-drop block is installed in the anti-drop groove, the top of the anti-drop block is fixedly connected with one side of the bottom of the first movable plate, and the anti-drop block is arranged close to the middle of the plate body.

[0011] Preferably, the outer side of the anti-drop block and the inner side of the anti-drop groove are mutually pasted, and the anti-drop block and the anti-drop groove form a sliding structure.

[0012] Preferably, opposite threads are arranged at the two ends of the first rotating shaft, the first rotating shaft is threadedly connected with the first movable plate, the first movable plate is symmetrically distributed about the central axis of the first rotating shaft, and the first movable plate and the first through groove form a sliding connection.

[0013] Compared with the prior art, the mechanical part clamp has the beneficial effects that: the mechanical part clamp does not need to form a through groove on the top of the plate body, so that the parts generated during the machining of the mechanical parts cannot fall onto the threads on the first rotating shaft, and the threads on the first rotating shaft are prevented from being damaged;

[0014] By pulling the handle upwards, the handle drives the limiting rod to move upwards and separate from the limiting groove, and then the clamp head is moved, so that the clamp head drives the butt joint block to separate from the butt joint groove, thereby facilitating the quick disassembly of the clamp head. The butt joint block is inserted into the butt joint groove, the inclined surface at the end of the butt joint block pushes the inclined surface at the bottom of the limiting rod to move upwards, the limiting rod drives the movable block to move upwards, and the spring is compressed. When the lower end of the limiting rod is aligned with the limiting groove, the lower end of the limiting rod is clamped with the limiting groove under the elastic force of the spring, the quick fixing and installation of the clamp head and the butt joint block are completed, and the clamp head can be replaced for different shapes, the mechanical parts of different shapes can be fixed, and the universality of the clamp is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view cross-sectional structure schematic view of the utility model;

[0016] Figure 2 It is a front view cross-sectional structure schematic view of the utility model; Figure 1 It is an enlarged structure schematic view of A in the utility model;

[0017] Figure 3 It is a clamp head top view cross-sectional installation structure schematic view of the utility model;

[0018] Figure 4 It is an enlarged structure schematic view of B in the utility model; Figure 3

[0019] It is a first movable plate top view cross-sectional installation structure schematic view of the utility model; Figure 5

[0020] Figure 6 It is a first movable plate side view cross-sectional installation structure schematic view of the utility model.

[0021] In the drawing: 1, plate body; 2, first through groove; 3, fixed plate; 4, first rotating shaft; 5, first bevel gear; 6, second rotating shaft; 7, second bevel gear; 8, handle; 9, first movable plate; 10, second movable plate; 11, clamp head; 12, butt joint block; 13, butt joint groove; 14, second through groove; 15, limiting rod; 16, limiting groove; 17, handle; 18, groove; 19, movable block; 20, spring; 21, anti-drop groove; 22, anti-drop block. DETAILED DESCRIPTION

[0022] ​Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0023] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of fixture for mechanical parts, first through groove 2 is set in the inside of plate body 1, first through groove 2 is fixed with fixed plate 3 in the inside, and fixed plate 3 is provided with two, first rotating shaft 4 is rotatably installed in the inside of fixed plate 3 by bearing, first rotating shaft 4 is fixed with first bevel gear 5 between the outer wall of fixed plate 3, second rotating shaft 6 is rotatably installed in the inside of plate body 1 by bearing, second rotating shaft 6 is fixed with second bevel gear 7 on end, second bevel gear 7 is engaged with first bevel gear 5, handle 8 is fixed with second rotating shaft 6 on end outside plate body 1, first movable plate 9 is provided on the outside of first rotating shaft 4, the end of first movable plate 9 is in the inside of first through groove 2, second movable plate 10 is fixed with chuck 11 on the end by fixed mechanism on the side of first movable plate 9 top, and the outside of second movable plate 10 and chuck 11 and the top of plate body 1 are mutually pasted, and anti-dropping mechanism is provided on the bottom of first movable plate 9.

[0024] Fixed mechanism includes docking block 12, and docking block 12 is fixed on the side of chuck 11, and docking block 12 is in the inside of docking groove 13, and docking groove 13 is set in the end of second movable plate 10, and second through groove 14 is set in the top of docking groove 13, and recess 18 is set in the inside of second through groove 14, and limit groove 16 is set in the top of docking block 12, and the lower end of limit rod 15 is installed in the inside of limit groove 16, and the upper end of limit rod 15 is fixed with handle 17 penetrating the inside of second through groove 14, and movable block 19 is fixed on the side of limit rod 15, and movable block 19 is in the inside of recess 18, and spring 20 is fixed on the top of movable block 19, and recess 18 is fixedly connected on the top of spring 20, and docking block 12 and docking groove 13 are engagedly connected, and the side of the top of docking block 12 and the side of the bottom of limit rod 15 are all provided with inclined surface, and the two inclined surfaces are designed to be parallel to each other, and limit rod 15 and second through groove 14 are slidably connected, and movable block 19 and recess 18 form sliding connection, so that when the end of docking block 12 is inserted into the inside of docking groove 13, the inclined surface of the end of docking block 12 can push the inclined surface of the bottom of limit rod 15 to move upward, to facilitate the engagement of docking block 12 and docking groove 13.

[0025] The anti-falling mechanism comprises an anti-falling groove 21 and an anti-falling block 22, the bottom of the first through groove 2 is provided with the anti-falling groove 21, the anti-falling block 22 is installed in the anti-falling groove 21, the top of the anti-falling block 22 is fixedly connected with one side of the bottom of the first movable plate 9, the anti-falling block 22 is arranged close to the middle part of the plate body 1, the outer side of the anti-falling block 22 is matched with the inner side of the anti-falling groove 21, and the anti-falling block 22 and the anti-falling groove 21 form a sliding structure, and the first movable plate 9 is prevented from moving out of the first through groove 2 under the limiting of the anti-falling block 22 and the anti-falling groove 21.

[0026] The first rotating shaft 4 is provided with opposite threads at two ends, the first rotating shaft 4 is threadedly connected with the first movable plate 9, the first movable plate 9 is symmetrically distributed about the central axis of the first rotating shaft 4, the first movable plate 9 is slidably connected with the first through groove 2, and the first rotating shaft 4 is rotated in a forward direction or a reverse direction to drive the two first movable plates 9 to move close to each other or move away from each other.

[0027] Working principle: when the mechanical part clamp is used, the handle 8 is first rotated, the handle 8 drives the first rotating shaft 4 to rotate through the second rotating shaft 6, the second bevel gear 7 and the first bevel gear 5, the first rotating shaft 4 is provided with opposite threads at two ends, the first rotating shaft 4 is threadedly connected with the first movable plate 9, the first movable plate 9 is symmetrically distributed about the central axis of the first rotating shaft 4, and the first movable plate 9 is slidably connected with the first through groove 2, so that the two first movable plates 9 move close to each other, the two first movable plates 9 drive the two chucks 11 to move close to each other through the two second movable plates 10, and the cylindrical mechanical part is fixed;

[0028] When the chuck 11 of different shapes needs to be replaced, the lifting handle 17 is pulled upwards, the lifting handle 17 drives the limiting rod 15 to move upwards and separate from the limiting groove 16, the chuck 11 is moved, the chuck 11 drives the abutting block 12 to separate from the abutting groove 13, the chuck 11 is disassembled, when the rectangular mechanical part is fixed, the rectangular chuck 11 is replaced, the abutting block 12 on the chuck 11 is inserted into the inside of the abutting groove 13, the inclined surface at the end of the abutting block 12 drives the inclined surface at the bottom of the limiting rod 15 to move upwards, the limiting rod 15 drives the movable block 19 to move upwards at the same time, the spring 20 is compressed, when the lower end of the limiting rod 15 is aligned with the limiting groove 16, the lower end of the limiting rod 15 is clamped with the limiting groove 16 under the elastic force of the spring 20, and the chuck 11 and the abutting block 12 are quickly fixed and assembled.

[0029] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A jig for mechanical parts comprising a plate body (1), characterized in that: The inside of the plate body (1) is provided with a first through slot (2), the inside of the first through slot (2) is fixedly provided with a fixed plate (3), and the fixed plate (3) is provided with two, the inside of the fixed plate (3) is rotatably provided with a first rotating shaft (4) through a bearing, the outer wall of the first rotating shaft (4) is fixedly provided with a first bevel gear (5) between the fixed plate (3), the inside of the plate body (1) is rotatably provided with a second rotating shaft (6) through a bearing, the end of the second rotating shaft (6) is fixedly provided with a second bevel gear (7), the second bevel gear (7) is meshingly connected with the first bevel gear (5), the end of the second rotating shaft (6) is fixedly provided with a handle (8) outside the plate body (1), the outer side of the first rotating shaft (4) is provided with a first movable plate (9), the end of the first movable plate (9) is located in the inside of the first through slot (2), the top of one side of the first movable plate (9) is fixedly provided with a second movable plate (10) outside the plate body (1), the end of the second movable plate (10) is provided with a chuck (11) through a fixing mechanism, and the outer side of the second movable plate (10) and the chuck (11) is mutually attached to the top of the plate body (1), and the bottom of the first movable plate (9) is provided with an anti-dropping mechanism.

2. The fixture for mechanical parts according to claim 1, characterized in that: The fixing mechanism comprises a butt joint block (12), one side of the chuck (11) is fixedly provided with a butt joint block (12), the butt joint block (12) is located in the inside of a butt joint groove (13), the butt joint groove (13) is provided in the end of the second movable plate (10), the top of the butt joint groove (13) is provided with a second through slot (14), the inner side of the second through slot (14) is provided with a groove (18), the top of the butt joint block (12) is provided with a limiting groove (16), the lower end of a limiting rod (15) is installed in the inside of the limiting groove (16), the upper end of the limiting rod (15) is fixedly provided with a handle (17) penetrating through the inside of the second through slot (14), one side of the limiting rod (15) is fixedly provided with a movable block (19), the movable block (19) is located in the inside of the groove (18), the top of the movable block (19) is fixedly provided with a spring (20), and the top of the spring (20) is fixedly connected with the top of the groove (18).

3. The fixture for mechanical parts according to claim 2, characterized in that: The butt joint block (12) is clampedly connected with the butt joint groove (13), one side of the top of the butt joint block (12) and one side of the bottom of the limiting rod (15) are provided with inclined surfaces, the two inclined surfaces are designed to be parallel to each other, the limiting rod (15) and the second through slot (14) are slidably connected, and the movable block (19) and the groove (18) constitute a sliding connection.

4. The fixture for mechanical parts according to claim 1, characterized in that: The anti-dropping mechanism comprises an anti-dropping groove (21) and an anti-dropping block (22), the bottom of the first through slot (2) is provided with an anti-dropping groove (21), the inside of the anti-dropping groove (21) is installed with an anti-dropping block (22), the top of the anti-dropping block (22) is fixedly connected with one side of the bottom of the first movable plate (9), and the anti-dropping block (22) is arranged close to the middle of the plate body (1).

5. The fixture for mechanical parts according to claim 4, characterized in that: The outer side of the anti-off block (22) is matched with the inner side of the anti-off groove (21), and the anti-off block (22) and the anti-off groove (21) form a sliding structure.

6. The fixture for mechanical parts according to claim 1, characterized in that: The first rotating shaft (4) is provided with opposite threads at two ends, and the first rotating shaft (4) is threadedly connected with the first movable plate (9), and the first movable plate (9) is symmetrically distributed with two about the central axis of the first rotating shaft (4), and the first movable plate (9) is slidably connected with the first through groove (2).

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