Crankshaft flywheel machining clamp

Abstract

The utility model belongs to the technical field of crankshaft flywheel machining, and particularly relates to a crankshaft flywheel machining clamp which comprises a bottom plate and a clamping assembly arranged on the bottom plate, the clamping assembly comprises clamping parts I and clamping parts II, the clamping parts I are arranged at the upper end and the lower end of the bottom plate respectively, one clamping part I is fixed to the bottom plate, and the other clamping part II is fixed to the bottom plate. The other clamping part I is connected with the bottom plate in a sliding manner; the clamping part I comprises a base plate for supporting the crankshaft flywheel and a clamping mechanism; a plurality of supporting plates are arranged in the clamping part II, and the clamping part II is arranged between the clamping parts I at the two ends, is in sliding connection with the bottom plate and is used for supporting crankshaft flywheels of different sizes. According to the crankshaft flywheel supporting device, the base plate, the supporting plates I and the supporting plates II are detachably connected with the supporting blocks respectively, and can be detached and replaced according to abrasion conditions in the using process; the service life of the whole clamp is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft flywheel fixtures, in particular to a crankshaft flywheel processing fixture. Background Art

[0002] The crankshaft flywheel needs to be drilled during the processing. Due to the special structure of the crankshaft flywheel, it is often fixed with a vertical fixture and then drilled.

[0003] In the prior art, multiple crankshaft flywheels are clamped synchronously and then processed together. However, when the clamping position of one crankshaft flywheel is inaccurate, the others cannot be clamped, and workers are required to constantly adjust to align the position of each crankshaft flywheel, which greatly increases the working time. At the same time, the fixture of the prior art can only clamp crankshaft flywheels of one size. When the size of the crankshaft flywheel is different, the fixture needs to be recast, which increases the production cost. Utility Model Content

[0004] In view of the technical problems existing in the background technology, the purpose of the utility model is to provide a crankshaft flywheel processing fixture, wherein the clamping part I and the clamping part II can adjust the position to meet the needs of crankshaft flywheels of different sizes.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A crankshaft flywheel processing fixture comprises a base plate and a clamping assembly arranged on the base plate, wherein the clamping assembly comprises a clamping part I and a clamping part II, wherein the clamping part I comprises a pad and a clamping mechanism for supporting the crankshaft flywheel, wherein the clamping part I is arranged at the upper and lower ends of the base plate, wherein a plurality of support plates are arranged inside the clamping part II, wherein the clamping part II is arranged between the clamping parts I at both ends and is slidably connected to the base plate, wherein the clamping part I at one end is also slidably connected to the base plate, and is used to support crankshaft flywheels of different sizes.

[0007] Preferably, the backing plate and the bottom plate are detachable.

[0008] Preferably, the clamping mechanism includes a connecting block and a bent rod, a connecting seat is provided on the support block, the bent rod and the connecting seat are rotatably connected, a driving member is provided in the connecting block, the driving member extends out of the connecting block and is rotatably connected to the bent rod, and a push rod is provided at one end of the bent rod.

[0009] Preferably, a slide groove I and a slide groove II are provided on the bottom plate, a plurality of support blocks are slidably connected in the slide groove I, and one end of the connection block is slidably connected in the slide groove II.

[0010] Preferably, a bolt for limiting positioning is provided at one end of the support block.

[0011] Preferably, the clamping part II comprises a support plate I and a support plate II, and the support plate I and the support plate II are respectively arranged on the support block.

[0012] Preferably, the support plate I and the support plate II are detachably arranged from the support block.

[0013] Preferably, a stopper is further provided inside the support plate II, and a screw rod for adjusting the position of the stopper is connected to the stopper.

[0014] The utility model has the following advantages and beneficial effects:

[0015] 1. In the utility model, the upper part of the crankshaft flywheel is installed on the pad and fixed by the clamping assembly, the middle part of the crankshaft flywheel is supported by the clamping part II, and the lower part is also supported on the pad and fixed by the clamping assembly. The clamping part I and the clamping part II located at the lower part can be moved to adapt to crankshaft flywheels of different sizes.

[0016] 2. In the utility model, the pad, support plate I and support plate II are detachably connected to the support block respectively, and can be removed and replaced according to wear during use, thereby increasing the service life of the overall clamp.

[0017] 3. The utility model has a simple structure, is easy to operate, and is convenient for assembly and disassembly, and can process a plurality of crankshaft flywheels of different sizes at one time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional schematic diagram of a crankshaft flywheel machining fixture provided by the utility model;

[0019] Figure 2 A schematic diagram of a crank flywheel structure of a crankshaft flywheel processing fixture provided by the utility model;

[0020] Figure 3 A schematic diagram of the connection between a base plate and a clamping assembly of a crankshaft flywheel machining fixture provided by the utility model;

[0021] Figure 4 A schematic diagram of the structure of a support plate II of a crankshaft flywheel processing fixture provided by the utility model;

[0022] Figure 5 A schematic diagram of the structure of a clamping mechanism of a crankshaft flywheel machining fixture provided by the utility model;

[0023] Figure 6 A front view of a crankshaft flywheel machining fixture provided by the utility model;

[0024] Figure 7 A schematic diagram of the back structure of a crankshaft flywheel processing fixture provided by the utility model;

[0025] Icons: 1-crankshaft flywheel, 2-base plate, 21-slideway I, 22-slideway II, 3-shim plate, 4-connecting block, 41-connecting seat, 42-crank rod, 43-top rod, 44-driving member, 5-support plate I, 6-support plate II, 61-stopper, 62-screw, 7-support block, 71-limiting bolt. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example

[0029] like Figure 1-7 As shown, a crankshaft flywheel processing fixture includes a base plate 2 and a clamping assembly arranged on the base plate 2, the clamping assembly includes a clamping part I and a clamping part II, the clamping part I includes a pad 3 and a clamping mechanism for supporting the crankshaft flywheel 1, the clamping part I is arranged at the upper and lower ends of the base plate 2, the clamping part I arranged at the top is detachably connected to the base plate 2 by bolts, the clamping part II is arranged between the clamping parts I at both ends, and is slidably connected to the base plate 2, and is used to support crankshaft flywheels 1 of different sizes.

[0030] like Figure 1 , 3 As shown in , 6 and 7, a slide groove Ⅰ21 is provided on the base plate 2, and a plurality of support blocks 7 are slidably connected in the slide groove Ⅰ21. A limiting bolt 71 for limiting is provided at one end of the support block 7. The limiting bolt 71 extends into the slide groove Ⅰ21. The nut is rotated to make it close to the base plate 2, so that the support block 7 can be fixed.

[0031] like Figure 1 , 2, 3, 5, 6, and 7, the clamping mechanism includes a connecting block 4 and a bent rod 42, a connecting seat 41 is provided on the connecting block 4, the bent rod 42 is rotatably connected to the connecting seat 41, a push rod 43 is provided at one end of the bent rod 42, a driving member 44 is provided in the connecting block 4, the driving member 44 extends out of the connecting block 4 and is rotatably connected to the bent rod 42, the driving member 44 is a cylinder, when the cylinder is extended, the end of the bent rod 42 is lifted, and the bent rod 42 rotates with the connecting seat 41 as the center, so that the push rod 43 is close to the crankshaft flywheel 1, thereby realizing Now, the crankshaft flywheel 1 is clamped, and the clamping part I located at the bottom is set at the position of the slide groove I21, and the pad 3 and the support plate are detachably connected. A slide groove II22 is also set on the bottom plate 2. The slide groove II22 is set at one end of the slide groove I21 and at the bottom of the connecting block 4. The bottom of the connecting block 4 is also provided with bolts for limiting. The bolts extend into the slide groove II22. The lower end of the crankshaft flywheel 1 is placed on the clamping part I located at the bottom, and the clamping part I can adjust its position to meet the needs of crankshaft flywheels 1 of different sizes.

[0032] like Figure 1 , 2 As shown in , 3, 4, 6, and 7, the clamping part II includes a support plate I5 and a support plate II6, and the support plate I5 and the support plate II6 are respectively arranged on the support block 7 and slide synchronously with the support block 7. The support plate I5 and the support plate II6 are detachably connected to the support block 7 by bolts, and the middle part of the crankshaft flywheel 1 is placed on the support plate I5 and the support plate II6 for support. After long-term use, the surfaces of the support plates I5 and the support plates II6 will inevitably wear out. The support plates I5 and the support plates II6 can be removed by bolts and replaced with new ones. A stopper 61 is also arranged inside the support plate II6, and a screw 62 for adjusting the position of the stopper 61 is connected to the stopper 61. The sizes of the crankshaft flywheel 1 are different. When the length of the crankshaft flywheel 1 is short, the support plates I5 and the support plates II6 are slid for support, and the position of the stopper 61 is adjusted to make it close to the crankshaft flywheel 1.

[0033] Working principle: Place the top of the crankshaft flywheel 1 on the fixed pad 3, and control the movement of the cylinder so that the push rod 43 and the circumferential surface of the crankshaft flywheel 1 are in contact and pressed tightly, and adjust the positions of the support plates Ⅰ5 and Ⅱ6 according to the size of the crankshaft flywheel 1 so that the middle part of the crankshaft flywheel 1 is supported on the support plates Ⅰ5 and Ⅱ6, and fix the support blocks 7 under the support plates Ⅰ5 and Ⅱ6, and finally adjust the clamping part Ⅰ located below so that it supports the lower end of the crankshaft flywheel 1. The above steps complete the clamping of the crankshaft flywheel 1.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crankshaft flywheel machining fixture, comprising a base plate and a clamping assembly arranged on the base plate, characterized in that: The clamping assembly includes a clamping part I and a clamping part II, wherein the clamping part I is respectively arranged at the upper and lower ends of the base plate, wherein one clamping part I is fixed on the base plate, and the other clamping part I is slidably connected to the base plate, and the clamping part I includes a pad and a clamping mechanism for supporting the crankshaft flywheel; a plurality of support plates are arranged inside the clamping part II, and the clamping part II is arranged between the clamping parts I at both ends and is slidably connected to the base plate for supporting crankshaft flywheels of different sizes.

2. A crankshaft flywheel machining fixture according to claim 1, characterized in that: The backing plate and the bottom plate are detachably arranged.

3. The crankshaft flywheel machining fixture according to claim 1, characterized in that: The clamping mechanism includes a connecting block and a bent rod, wherein a connecting seat is arranged on the connecting block, the bent rod and the connecting seat are rotatably connected, a driving member is arranged in the connecting block, the driving member extends out of the connecting block and is rotatably connected to the bent rod, and a push rod is arranged at one end of the bent rod.

4. A crankshaft flywheel machining fixture according to claim 3, characterized in that: The bottom plate is provided with a slide groove I and a slide groove II, a plurality of supporting blocks are slidably connected in the slide groove I, and one end of the connecting block is slidably connected in the slide groove II.

5. A crankshaft flywheel machining fixture according to claim 4, characterized in that: One end of the support block is provided with a bolt for limiting.

6. A crankshaft flywheel machining fixture according to claim 5, characterized in that: The clamping part II includes a support plate I and a support plate II, and the support plate I and the support plate II are respectively arranged on the support block.

7. A crankshaft flywheel machining fixture according to claim 6, characterized in that: The support plate I and the support plate II are detachably arranged on the support block.

8. The crankshaft flywheel machining fixture according to claim 7, characterized in that: A stopper is also provided inside the support plate II, and a screw rod for adjusting the position of the stopper is connected to the stopper.

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