End clamp for erecting and fixing camshaft

Abstract

The utility model discloses an end clamp for vertically fixing a cam shaft, and belongs to the technical field of automobile part machining equipment. The end clamp for vertically fixing the cam shaft comprises a clamp for clamping the cam shaft, a supporting seat fixed on a rotating base and an adjusting structure for adjusting the distance between the clamp and the supporting seat, and the clamp is detachably connected with the adjusting structure; the utility model has the advantages that the camshaft can be conveniently fixed on the measuring instrument, and the clamp can be conveniently disassembled and assembled from the supporting seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts processing equipment technical field especially for camshaft vertical fixed end clamp for camshaft vertical fixed end clamp. BACKGROUND

[0002] At present, with the rapid development of China's equipment manufacturing industry, especially the automobile and aviation industry, the requirement for engine performance is higher and higher, the camshaft as one of the core components of the engine, its function is to drive the accurate and rapid operation of the whole valve train system and its accessories, ensure that the air charge coefficient, power output, power performance and exhaust emission meet the standards, the quality of the camshaft directly affects the main performance indicators such as engine fuel consumption, noise, etc., and the camshaft measuring instrument is an essential precision detection equipment to ensure product quality, and has been widely used in camshaft and crankshaft detection, therefore, it is particularly important to ensure the measurement accuracy and performance of the camshaft measuring instrument, the structure of the camshaft measuring instrument is divided into vertical camshaft measuring instrument and horizontal camshaft measuring instrument, wherein the vertical camshaft measuring instrument is shown in the accompanying drawings. Figure 1

[0003] Generally, the end of the camshaft is processed with a counterbore matched with a needle clamp, the measuring instrument is clamped by the needle clamp from both ends to press the counterbore, so as to clamp the camshaft, and then the measurement is carried out, however, some camshafts are only processed with a counterbore at one end, during the measurement, the other end of the camshaft cannot be clamped by the needle clamp, if only the needle clamp at the top is used to clamp the camshaft, the camshaft is fixed on the measuring instrument, then during the measurement, the camshaft rotates, the bottom end of the camshaft and the rotating base are easy to slide and tilt due to the centrifugal force, which affects the processing effect of the camshaft, and there is also a serious safety risk. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problem that the existing vertical camshaft measuring instrument cannot clamp the camshaft by using the needle clamp during the measurement, and proposes an end clamp for vertical fixing of the camshaft.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The end clamp for vertical fixing of the camshaft comprises a clamp for clamping the camshaft, a support seat fixed on a rotating base, an adjusting structure for adjusting the distance between the clamp and the support seat, and the clamp and the adjusting structure are detachably connected.

[0007] Further, the clamp comprises two oppositely arranged clamping blocks, the two ends of the clamping block are provided with a first screw rod, and the two clamping blocks are connected together through the first screw rod.

[0008] ​Further, one side of the clamp block is provided with a supporting seat, and the adjusting structure is movably arranged on the supporting seat and connected with the clamp block at one end.

[0009] Further, one end of the clamp block close to the adjusting structure is provided with a connecting rod and a connecting ball, the two ends of the connecting rod are connected with the clamp block respectively, and the outer diameter of the connecting ball is larger than the diameter of the connecting rod.

[0010] The adjusting structure comprises a sliding block sliding along the radial direction of the camshaft, a connecting groove is formed in the top of the sliding block, a first opening corresponding to the connecting rod is formed in one end of the connecting groove close to the clamp block, and a second opening corresponding to the connecting ball is formed in the top end of the connecting groove, and the connecting rod and the connecting ball enter or move out of the connecting groove along the vertical direction.

[0011] Further, the supporting seat comprises a seat body and a sliding groove, and the sliding groove is formed in the top of the seat body along the radial direction of the camshaft, and the sliding block is slidingly installed in the sliding groove.

[0012] Further, a threaded hole is formed in one end of the sliding groove away from the clamp, a second screw rod is engaged in the threaded hole, and one end of the second screw rod is rotatably connected with the sliding block.

[0013] Further, a circular clamping block is arranged at one end of the second screw rod close to the clamp, the outer diameter of the circular clamping block is larger than the outer diameter of the second screw rod, and the second screw rod and the sliding block are rotatably connected together through the circular clamping block.

[0014] Compared with the prior art, the end clamp for vertical fixing of a camshaft has the following beneficial effects:

[0015] The end clamp for vertical fixing of a camshaft is used, the bottom of the camshaft is first clamped by using the clamp, then the camshaft is vertically placed on the rotating base of the measuring instrument, the clamp and the adjusting structure are connected together, the top of the camshaft is slightly fixed by using the top pin clamp of the measuring instrument, the distance between the clamp and the supporting seat is adjusted through the adjusting structure, so that the bottom of the camshaft is located at the center of the rotating base, and finally the camshaft is fixed by the top pin clamp, so that the camshaft is conveniently fixed on the measuring instrument in the vertical direction.

[0016] Other advantages, objects and features of the present application will be set forth in part in the following specification taken in conjunction with the accompanying drawings; and in part will be obvious from the description of the application or can be learned by practice of the application. The advantages of the present application will become apparent from the description of the application in the specification that follows. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an installation effect schematic view of the present application.

[0018] Figure 2 The utility model discloses a Figure 1 The structure amplification schematic drawing of part A is shown in the figure.

[0019] Figure 3 The utility model discloses a whole structure perspective schematic diagram.

[0020] Figure 4 The utility model discloses a whole structure overhead schematic diagram.

[0021] Figure 5 The utility model discloses a whole structure explosion effect schematic diagram.

[0022] In the figure:

[0023] 1, measuring instrument, 2, rotating base, 3, boss, 4, camshaft, 5, clamp, 501, clamping block, 502, first screw, 503, connecting rod, 504, connecting ball, 505, knob, 6, support seat, 601, seat body, 602, sliding groove, 603, screw hole, 7, adjusting structure, 701, second screw, 702, sliding block, 703, circular clamping hole, 704, connecting groove, 705, circular clamping block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments.

[0025] With reference to Figures 1-5 The utility model discloses a end clamp for camshaft vertical fixing, including the clamp 5 for clamping camshaft 4, the support seat 6 of fixed in rotating base 2, the adjusting structure 7 of adjusting the interval between clamp 5 and support seat 6, the detachable connection between clamp 5 and adjusting structure 7.

[0026] The telescopic top pin clamp is installed at the top of the measuring instrument 1, the rotating base 2 is installed at the bottom of the measuring instrument 1, the circular boss 3 is installed at the top center of the rotating base 2, when using, the camshaft is erected on the boss 3, and the top of the camshaft 4 is tightly clamped by the top pin clamp.

[0027] When using, first clamp 5 is clamped at the bottom of camshaft 4, then camshaft 4 is placed on boss 3, the bottom of camshaft 4 is adjusted to be located at the center of rotating base 2 through adjusting structure 7, the top pin clamp at the top of measuring instrument 1 is adjusted, and camshaft 4 can be tightly fixed.

[0028] The clamp 5 comprises two oppositely arranged clamping blocks 501, the two clamping blocks 501 are copper blocks, avoiding damaging the camshaft, and the two clamping blocks 501 are both provided with V-shaped grooves at one end close to each other, and the V-shaped grooves are used for clamping the outer circumferential wall of the camshaft.

[0029] The two ends of the clamping block 501 are both provided with a first screw rod 502, and the two clamping blocks 501 are connected together through the two first screw rods 502, specifically, one end of the first screw rod 502 is connected with a knob 505, and the two clamping blocks 501 are arranged on the first screw rod 502, wherein the clamping block 501 close to the knob 505 is in sliding connection with the first screw rod 502, and the clamping block 501 away from the knob 505 is in threaded connection with the first screw rod 502, and when the first screw rod 502 is tightened, the camshaft 4 is clamped between the two V-shaped grooves.

[0030] One side of the clamping block 501 is provided with a supporting seat 6, the supporting seat 6 is fixedly installed on the boss 3, and an adjusting structure 7 is movably installed on the supporting seat 6, one end of the adjusting structure 7 is connected with the clamping block 501, the clamping block 501 and the camshaft 4 are driven to move through the adjusting structure 7, and the camshaft 4 is adjusted to be aligned with the center of the rotating base 2 and the boss 3.

[0031] One end of one of the clamping blocks 501 close to the adjusting structure 7 is fixedly connected with a connecting rod 503 and a connecting ball 504, the two ends of the connecting rod 503 are respectively connected with the clamping block 501 and the clamping block 501, and the outer diameter of the connecting ball 504 is greater than the diameter of the connecting rod 503;

[0032] The adjusting structure 7 comprises a sliding block 702 sliding along the radial direction of the camshaft 4, a connecting groove 704 is processed at the top of the sliding block 702, one end of the connecting groove 704 close to the clamping block 501 is provided with a first opening corresponding to the connecting rod 503, the top end of the connecting groove 704 is provided with a second opening corresponding to the connecting ball 504, the top of the first opening and the top of the second opening are communicated, and the connecting rod 503 and the connecting ball 504 enter or move out of the connecting groove 704 in the vertical direction.

[0033] Specifically, during use, the connecting ball 504 is clamped in the connecting groove 704, the connecting rod 503 passes through the first opening, and the clamp 5 as a whole can rotate in the up-down direction with the connecting ball 504 as the center.

[0034] During use, the clamping block 501 and the first screw rod 502 do not need to be completely disassembled, only need to be adjusted to two V-shaped grooves that can easily clamp the camshaft 4, and then clamp the camshaft 4 or take it off from the camshaft 4.

[0035] The support base 6 comprises a seat body 601 and a sliding groove 602, the seat body 601 is fixedly installed on one side of the edge of the boss 3, the top of the seat body 601 is machined with the sliding groove 602 along the radial direction of the cam shaft 4, and the sliding block 702 is slidingly installed in the sliding groove 602, and the sliding block 702 drives the clamp 5 to move when sliding in the sliding groove 602.

[0036] The end of the sliding groove 602 away from the clamp 5 is machined with a threaded hole 603 meshing with the second screw rod 701, one end of the second screw rod 701 is rotationally connected with the sliding block 702, and when the second screw rod 701 is rotated, the second screw rod 701 drives the clamp block 501 to move along the axial direction of the threaded hole 603, and approaches or moves away from the seat body 601.

[0037] The end of the second screw rod 701 close to the clamp 5 is integrally formed with a circular clamping block 705, the outer diameter of the circular clamping block 705 is greater than that of the second screw rod 701, the second screw rod 701 and the sliding block 702 are rotationally connected together through the circular clamping block 705, a circular clamping hole 703 corresponding to the second screw rod 701 and the circular clamping block 705 is formed in the end of the sliding block 702 close to the second screw rod 701, and the end of the second screw rod 701 is rotationally installed in the circular clamping hole 703 together with the circular clamping block 705.

[0038] Working principle: in use, first, the interval between the two clamp blocks 501 is adjusted by twisting the knob 505, the clamp 5 is sleeved on the bottom of the cam shaft 4, then the cam shaft 4 is vertically placed on the boss 3 of the rotating base 2 of the measuring instrument 1, the connecting ball 504 is aligned with the connecting groove 704, the connecting ball 504 is clamped into the connecting groove 704, then the first screw rod 502 is tightened, so that the two clamp blocks 501 clamp the cam shaft 4, then the second screw rod 701 is twisted, the cam shaft 4 is moved to the center of the boss 3, finally, the top pin clamp is adjusted to clamp the top of the cam shaft 4, so that the cam shaft 4 is fixed on the measuring instrument 1 in the vertical direction.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0040] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0041] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. An end clamp for camshaft erecting fixation, characterized in that, The utility model provides a camshaft clamping device, including the clamp (5) for clamping camshaft (4), the support seat (6) fixed on rotating base (2), the adjusting structure (7) of adjusting the interval between clamp (5) and support seat (6), clamp (5) and adjusting structure (7) between detachable connection.

2. The end clamp for camshaft erecting fixation according to claim 1, characterized in that, The clamp (5) includes two oppositely arranged clamping blocks (501), and first screw rods (502) are arranged at two ends of the clamping blocks (501).

3. The end clamp for camshaft erecting fixation according to claim 2, characterized in that One side of the clamping block (501) is provided with the support seat (6), and the adjusting structure (7) is movably arranged on the support seat (6).

4. The end clamp for camshaft erecting fixation according to claim 3, characterized in that, One end of the adjusting structure (7) is connected with the clamping block (501). The clamping block (501) is provided with a connecting rod (503) and a connecting ball (504) at one end close to the adjusting structure (7), both ends of the connecting rod (503) are connected with the clamping block (501) and the clamping block (501) respectively, and the outer diameter of the connecting ball (504) is greater than the diameter of the connecting rod (503).

5. The end clamp for camshaft erecting fixation according to claim 4, characterized in that, The adjusting structure (7) includes a sliding block (702) sliding along the radial direction of the camshaft (4), a connecting groove (704) is formed in the top of the sliding block (702), a first opening corresponding to the connecting rod (503) is formed at one end of the connecting groove (704) close to the clamping block (501), a second opening corresponding to the connecting ball (504) is formed at the top end of the connecting groove (704), and the connecting rod (503) and the connecting ball (504) enter or move out of the connecting groove (704) in the vertical direction.

6. The end clamp for camshaft erecting fixation according to claim 5, characterized in that The support seat (6) includes a seat body (601) and a sliding groove (602), the sliding groove (602) is formed in the top of the seat body (601) along the radial direction of the camshaft (4), and the sliding block (702) is slidingly installed in the sliding groove (602).

7. The end clamp for camshaft erecting fixation according to claim 6, characterized in that A threaded hole (603) is arranged at one end of the sliding groove (602) away from the clamp (5), a second screw rod (701) is engaged in the threaded hole (603), and one end of the second screw rod (701) is rotatably connected with the sliding block (702). One end of the second screw rod (701) close to the clamp (5) is provided with a circular clamping block (705), the outer diameter of the circular clamping block (705) is greater than the outer diameter of the second screw rod (701), and the second screw rod (701) and the sliding block (702) are rotatably connected together through the circular clamping block (705).

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