Gear milling machining clamp for rocker arm shaft

Abstract

The utility model is applicable to the technical field of clamps, and provides a rocker shaft gear milling clamp which comprises a base and a fixing block, one side of the fixing block is connected with a clamping seat, one side of the clamping seat is provided with a clamping groove, the clamping groove penetrates through and extends to an inner cavity of the fixing block, a clamping mechanism is arranged in the clamping seat, and the clamping mechanism is connected with the clamping seat. The clamping mechanism comprises a push block, an adjusting assembly, a fixing assembly and a clamping assembly. By arranging the clamping mechanism, the convex block is pulled to drive the limiting block to slide out of the inner wall of the limiting groove, then the push block is pushed to slide to drive the sliding block and the bearing block to slide synchronously, and the bearing block slides to drive the two gears to rotate synchronously and reversely; the two gears rotate to drive the two racks and the clamping blocks to synchronously slide in the same direction or away from each other so as to clamp the gear milling blanks of different sizes, so that workers can quickly assemble and disassemble the gear milling blanks of different sizes, and the disassembly and assembly efficiency and the practicability of the device are effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fixtures, and in particular relates to a fixture for machining gear milling of a rocker shaft. Background Art

[0002] The milling teeth on the rocker shaft are integrated with the gear housing and are made by milling the gear blank. In order to improve the wear resistance of the teeth, carbide powder is welded on the tooth surface. The milling teeth are mainly wedge-shaped teeth, and their main parameters are tooth height and tooth tip angle. The rocker shaft milling process requires a fixture to clamp the blank.

[0003] In the prior art, the most common method for clamping the milled gear blank is to open a threaded hole on the clamping seat and clamp and fix the milled gear blank with bolts or a three-jaw chuck. In the actual clamping process, the bolt method requires opening threaded holes in different positions according to the sizes of different milled gear blanks, and the fixing and disassembly of the bolts takes a certain amount of time. In actual use, its practicality needs to be improved. The three-jaw chuck is quick and convenient to use, but when taking out the processed blank or fixing it, it is still necessary to tighten or loosen the bolt part of the three-jaw chuck. In order to prevent the bolt part from loosening, it is necessary to tighten it with interference when tightening, and it takes more time to loosen it. There is still room for further improvement in work efficiency. Utility Model Content

[0004] The utility model provides a rocker shaft gear milling processing fixture, aiming to solve the problems mentioned in the above background technology.

[0005] The utility model is implemented as follows: a rocker arm shaft milling gear processing fixture comprises a base, a fixed block, one side of the fixed block is connected to a clamping seat, one side of the clamping seat is provided with a clamping groove, and the clamping groove extends through the inner cavity of the fixed block, a clamping mechanism is arranged in the clamping seat, the clamping mechanism is used to quickly clamp or release the milling gear blank, and the clamping mechanism comprises a push block, an adjustment component, a fixing component, and a clamping component;

[0006] The push block in the sliding state drives the clamping assembly to slide synchronously to clamp or release the milling gear blank;

[0007] The adjusting component in the reset state limits and fixes the pushing block.

[0008] Preferably, the fixing assembly comprises a slide rail and a slide groove;

[0009] The slide groove is symmetrically opened in the inner cavity of the clamping seat, the slide rail is fixedly arranged in the inner cavity of the clamping seat, the push block is slidably connected to the inner wall of the slide rail, and the push block extends to the outer wall of the clamping seat, and the push block is arranged in an "L" shape.

[0010] Preferably, the mediation component comprises a fixing component and an adjusting component, and the fixing component comprises a limiting block and a limiting groove;

[0011] The limiting block is fixedly connected to the bottom end of the outer wall of the clamping seat, the limiting groove is opened on one side of the limiting block, and the limiting grooves are arranged in multiple groups and at equal distances.

[0012] Preferably, the adjusting component includes a spring, a locking block, and a protrusion;

[0013] The spring is fixedly connected to the bottom end of the inner cavity of the push block, the engaging block is slidably connected to the bottom end of the inner cavity of the push block, the protrusion is arranged at the bottom end of the engaging block, and the engaging block is engaged with the inner wall of the limiting groove.

[0014] Preferably, the clamping assembly comprises a receiving component, an engaging component, and a clamping component, and the receiving component comprises a sliding block and a receiving block;

[0015] The sliding block is fixedly connected to the top end of the pushing block, and the sliding block is arranged in a "T" shape, and the two receiving blocks arranged symmetrically are rotatably connected to the two sides of the sliding block.

[0016] Preferably, the meshing components include gears and racks;

[0017] The two symmetrically arranged gears are rotatably connected to the inner cavity of the clamping seat, and the end of the receiving block is rotatably connected to one side of the gear. The two symmetrically arranged racks are slidably connected to the inner wall of the slide groove, and the tooth blocks of the racks are meshed with the tooth blocks of the gears.

[0018] Preferably, the clamping component comprises a clamping block, and two symmetrically arranged clamping blocks are respectively fixed to the top ends of the two racks.

[0019] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0020] The utility model provides a clamping mechanism, pulls the protrusion to drive the limit block to slide out of the inner wall of the limit groove, then pushes the push block to slide to drive the slider and the receiving block to slide synchronously, the sliding of the receiving block drives the two gears to rotate synchronously in opposite directions, the rotation of the two gears drives the two racks and the clamping block to slide synchronously toward or away from each other to complete the clamping of milling gear blanks of different sizes, so that workers can quickly complete the installation and disassembly of milling gear blanks of different sizes, and further improve the disassembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram provided by the utility model;

[0022] Figure 2This is another structural schematic diagram provided by the utility model from another angle;

[0023] Figure 3 It is a cross-sectional view of the clamping seat structure provided by the utility model.

[0024] In the figure: 1, clamping seat; 2, base; 3, fixing block; 4, clamping assembly; 401, slider; 402, gear; 403, rack; 404, clamping block; 405, receiving block; 5, clamping groove; 6, push block; 7, adjustment assembly; 701, spring; 702, engaging block; 703, protrusion; 704, limit block; 705, limit groove; 8, fixing assembly; 801, slide rail; 802, slide groove. DETAILED DESCRIPTION

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0026] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0027] The utility model provides a rocker arm shaft gear milling fixture, such as Figure 1-3 As shown, it includes a base 2 and a fixing block 3. One side of the fixing block 3 is connected to a clamping seat 1. One side of the clamping seat 1 is provided with a clamping groove 5, and the clamping groove 5 extends through the inner cavity of the fixing block 3. A clamping mechanism is arranged in the clamping seat 1. The clamping mechanism is used to quickly clamp or release the milling gear blank. The clamping mechanism includes a push block 6, an adjustment component 7, a fixing component 8 and a clamping component 4.

[0028] The push block 6 in the sliding state drives the clamping assembly 4 to slide synchronously to clamp or release the milling gear blank;

[0029] The adjusting assembly 7 in the reset state limits and fixes the push block 6.

[0030] In this embodiment, when the present arrangement is used to clamp the milling gear blank, the worker places the milling gear blank in the clamping groove 5, and then pulls the adjusting assembly 7 to release the clamping state of the adjusting assembly 7, and the released adjusting assembly 7 releases the clamping state of the push block 6, and the worker pushes the push block 6 to slide, and the sliding of the push block 6 drives the clamping assembly 4 to slide synchronously to clamp the milling gear blank. After the clamping is completed, the pulling of the adjusting assembly 7 is stopped, and the adjusting assembly 7 is in the clamping state again under the resetting force, so that the push block 6 and the clamping assembly 4 are also limited, and the milling gear blank is in a tightly clamped state;

[0031] This arrangement enables workers to quickly complete the installation and disassembly of milling gear blanks of different sizes by providing a clamping mechanism, thereby effectively improving the disassembly efficiency and the practicability of the device.

[0032] In a further preferred embodiment of the present invention, Figure 3 As shown, the fixing assembly 8 includes a slide rail 801 and a slide groove 802;

[0033] The slide groove 802 is symmetrically opened in the inner cavity of the clamping seat 1, the slide rail 801 is fixedly set in the inner cavity of the clamping seat 1, the push block 6 is slidably connected to the inner wall of the slide rail 801, and the push block 6 extends to the outer wall of the clamping seat 1, and the push block 6 is set in an "L" shape.

[0034] In this embodiment, the slide groove 802 is used to allow the clamping component 4 to slide and limit the sliding trajectory of the clamping component 4, and the slide rail 801 is used to allow the push block 6 to slide and limit the sliding trajectory of the push block 6. The sliding of the push block 6 can drive the clamping component 4 to slide synchronously to clamp or release the milling gear blank.

[0035] In a further preferred embodiment of the present invention, Figure 2 As shown, the adjustment component 7 includes a fixing component and an adjustment component, and the fixing component includes a limit block 704 and a limit groove 705;

[0036] The limiting block 704 is fixedly connected to the bottom end of the outer wall of the clamping seat 1 , and the limiting grooves 705 are opened on one side of the limiting block 704 , and the limiting grooves 705 are arranged in multiple groups and at equal distances.

[0037] In this embodiment, the limiting block 704 and the limiting groove 705 are provided to cooperate with the adjusting component to limit the sliding of the push block 6, thereby limiting the clamping assembly 4 to achieve the purpose of fixing the milled gear blank.

[0038] In a further preferred embodiment of the present invention, Figure 2 As shown, the adjustment component includes a spring 701, a locking block 702, and a protrusion 703;

[0039] The spring 701 is fixedly connected to the bottom end of the inner cavity of the push block 6 , the locking block 702 is slidably connected to the bottom end of the inner cavity of the push block 6 , the protrusion 703 is arranged at the bottom end of the locking block 702 , and the locking block 702 is locked and connected to the inner wall of the limiting groove 705 .

[0040] In this embodiment, the locking block 702 in the non-sliding state is locked in the inner wall of the limiting groove 705. If the worker needs to adjust the position of the push block 6, he only needs to pull the protrusion 703 to drive the locking block 702 to slide out of the inner wall of the limiting groove 705, and the push block 6 will no longer be limited and fixed, and then the push block 6 can be slid along the slide rail 801. When the push block 6 slides to a suitable position, the pushing force on the protrusion 703 is released, and the locking block 702 is pushed to reset and slide and engage in the corresponding limiting groove 705 under the restoring force of the spring 701, so that the limiting of the push block 6 can be completed again.

[0041] In a further preferred embodiment of the present invention, Figure 3 As shown, the clamping assembly 4 includes a receiving component, an engaging component, and a clamping component, and the receiving component includes a slider 401 and a receiving block 405;

[0042] The slider 401 is fixedly connected to the top of the push block 6 , and the slider 401 is arranged in a “T” shape, and two symmetrical receiving blocks 405 are rotatably connected to the two sides of the slider 401 .

[0043] In this embodiment, when the push block 6 slides to drive the slider 401 to slide synchronously, the receiving blocks 405 located on both sides of the slider 401 also slide synchronously and push the engaging parts to rotate synchronously.

[0044] In a further preferred embodiment of the present invention, Figure 3 As shown, the meshing parts include a gear 402 and a rack 403;

[0045] The two symmetrically arranged gears 402 are rotatably connected to the inner cavity of the clamping seat 1, and the end of the receiving block 405 is rotatably connected to one side of the gear 402. The two symmetrically arranged racks 403 are slidably connected to the inner wall of the slide groove 802, and the tooth blocks of the racks 403 are meshed with the tooth blocks of the gears 402.

[0046] In this embodiment, the receiving block 405 slides and drives the two gears 402 to rotate synchronously in opposite directions. Since the tooth block of the rack 403 is meshed with the tooth block of the gear 402, the two gears 402 rotate synchronously in opposite directions, driving the two racks 403 to slide synchronously toward or away from each other. The synchronous sliding of the two racks 403 drives the clamping parts to slide synchronously to complete the clamping or releasing of the milling gear blank.

[0047] In a further preferred embodiment of the present invention, Figure 3As shown, the clamping component includes a clamping block 404 , and two symmetrically arranged clamping blocks 404 are respectively fixed to the top ends of the two racks 403 .

[0048] In this embodiment, the two racks 403 slide synchronously to drive the two clamping blocks 404 to slide synchronously toward or away from each other to complete the clamping of the milled gear blank. The clamping end of the clamping block 404 is provided with a plurality of ratchets to enhance the clamping stability of the clamping block 404.

[0049] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0050] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0051] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0052] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A rocker arm shaft gear milling fixture, comprising a base (2) and a fixed block (3), one side of the fixed block (3) is connected to a clamping seat (1), one side of the clamping seat (1) is provided with a clamping groove (5), and the clamping groove (5) extends through the inner cavity of the fixed block (3), characterized in that: A clamping mechanism is arranged in the clamping seat (1), and the clamping mechanism is used to quickly clamp or release the milling gear blank, and the clamping mechanism comprises a push block (6), an adjustment component (7), a fixing component (8) and a clamping component (4); The push block (6) in the sliding state drives the clamping assembly (4) to slide synchronously to clamp or release the milling gear blank; The adjustment component (7) in the reset state limits and fixes the push block (6).

2. A rocker arm shaft gear milling fixture as claimed in claim 1, characterized in that: The fixing assembly (8) comprises a slide rail (801) and a slide groove (802); The slide groove (802) is symmetrically opened in the inner cavity of the clamping seat (1), the slide rail (801) is fixedly arranged in the inner cavity of the clamping seat (1), the push block (6) is slidably connected to the inner wall of the slide rail (801), and the push block (6) extends to the outer wall of the clamping seat (1), and the push block (6) is arranged in an "L" shape.

3. The rocker arm shaft gear milling fixture according to claim 1, characterized in that: The adjustment component (7) comprises a fixing component and an adjustment component, wherein the fixing component comprises a limiting block (704) and a limiting groove (705); The limiting block (704) is fixedly connected to the bottom end of the outer wall of the clamping seat (1), the limiting groove (705) is opened on one side of the limiting block (704), and the limiting grooves (705) are arranged in multiple groups at equal distances.

4. A rocker arm shaft gear milling fixture as claimed in claim 3, characterized in that: The adjusting component comprises a spring (701), a locking block (702), and a protrusion (703); The spring (701) is fixedly connected to the bottom end of the inner cavity of the push block (6), the locking block (702) is slidably connected to the bottom end of the inner cavity of the push block (6), the protrusion (703) is arranged at the bottom end of the locking block (702), and the locking block (702) is locked and connected to the inner wall of the limiting groove (705).

5. The rocker arm shaft gear milling fixture as claimed in claim 2, characterized in that: The clamping assembly (4) comprises a receiving component, an engaging component, and a clamping component, and the receiving component comprises a sliding block (401) and a receiving block (405); The slider (401) is fixedly connected to the top of the push block (6), and the slider (401) is arranged in a "T" shape, and the two symmetrically arranged receiving blocks (405) are rotatably connected to the two sides of the slider (401).

6. A rocker arm shaft gear milling fixture as claimed in claim 5, characterized in that: The meshing parts include a gear (402) and a rack (403); The two symmetrically arranged gears (402) are rotatably connected to the inner cavity of the clamping seat (1), and the end of the receiving block (405) is rotatably connected to one side of the gear (402), and the two symmetrically arranged racks (403) are slidably connected to the inner wall of the slide groove (802), and the tooth blocks of the racks (403) are meshed with the tooth blocks of the gears (402).

7. A rocker arm shaft gear milling fixture as claimed in claim 6, characterized in that: The clamping component comprises a clamping block (404), and two symmetrically arranged clamping blocks (404) are respectively fixed to the top ends of the two racks (403).

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