Camshaft multi-station combination machine

Abstract

The utility model provides a camshaft multi-station combination machine, and relates to the technical field of camshaft machining. A test assembly is installed on the workbench. Through the arrangement of the testing assembly, the fixing assembly, the limiting assembly and the auxiliary assembly, first, when a first electric cylinder stretches, the first electric cylinder can be matched with a clamping seat to clamp and fix a camshaft, a first motor is controlled to rotate, the first electric cylinder can be matched with the auxiliary assembly to test the axis deviation of the camshaft, and at the moment, unqualified camshafts can be screened out; the subsequent influence on the precision of finished products is avoided; secondly, the cam can be limited through the limiting seat, it is guaranteed that the cam can be accurately welded to the welding position on the cam shaft, and the machining precision is improved; and thirdly, when the cam is welded, a second motor is controlled to rotate, at the moment, clamping of the cam shaft can be achieved through two clamping blocks, the stability of the cam during welding can be guaranteed through clamping of the cam shaft, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of camshaft processing, and particularly relates to a multi-station combination machine for camshafts. Background Art

[0002] A camshaft is a component in a piston engine; its function is to control the opening and closing actions of the valves. During the processing of the camshaft, processing machinery is required.

[0003] In the existing camshaft processing machinery, after welding the cams to the camshaft, since the orientations of each cam are different, axial center detection cannot be achieved. During use, if the axial center of the camshaft deviates greatly, it is likely to lead to a reduction in the overall service life and is prone to cause failures. Content of the Utility Model

[0004] In view of this, the utility model provides a multi-station combination machine for camshafts, which solves the problem that in the existing camshaft processing machinery, after welding the cams to the camshaft, since the orientations of each cam are different, axial center detection cannot be achieved. During use, if the axial center of the camshaft deviates greatly, it is likely to lead to a reduction in the overall service life and is prone to cause failures.

[0005] The purpose and effect of the multi-station combination machine for camshafts of the utility model are achieved by the following specific technical means:

[0006] The utility model provides a multi-station combination machine for camshafts, which specifically includes: a workbench; a testing assembly is installed on the workbench.

[0007] Furthermore, the testing assembly is composed of a first mounting block, a first motor, a clamping seat, a second mounting block, a first electric cylinder and a rotating seat. The first mounting block is fixed on the workbench through a screw. A first motor is fixed to the left end face of the first mounting block through a screw. A clamping seat is fixed to the rotating shaft of the first motor. The clamping seat is a conventional three-jaw chuck. A camshaft is clamped on the clamping seat, and three cams are sleeved on the camshaft.

[0008] Furthermore, the second mounting block is fixed on the workbench. A first electric cylinder is fixed to the right end face of the second mounting block. The right end of the first electric cylinder is rotatably connected to a rotating seat through a bearing. The right end of the rotating seat contacts the left end of the camshaft.

[0009] Further, three limiting components are welded to the top surface of the workbench. The limiting component is composed of a seat body, a second sliding rod, a third mounting block, a second threaded rod, a second electric cylinder and a clamping seat. There are three seat bodies in total. The three seat bodies are all rectangular block structures and are all welded to the top surface of the workbench. A second sliding rod is welded to the left end face of each seat body. A third mounting block is slidably connected to each second sliding rod. The three third mounting blocks are all rectangular block structures. The bottom end faces of the three are all in contact with the top surface of the workbench. A second threaded rod is rotatably connected to each seat body. The three second threaded rods are respectively threadedly connected to the three third mounting blocks.

[0010] Further, a second electric cylinder is welded to the rear end face of each third mounting block. The rear end of each second electric cylinder is the extending end. A clamping seat is welded to the rear end of each second electric cylinder. The clamping seat is a concave structure. The three clamping seats are respectively clamped with the three cams.

[0011] Further, a fixing component is fixed to the top surface of the workbench. The fixing component is composed of a frame body, a first sliding rod, a clamping block, a second motor and an adjusting rod. The frame body is fixed to the top surface of the workbench. The frame body is a concave structure. Two first sliding rods are welded to the bottom end face of the inner wall of the frame body. The two first sliding rods are both cylindrical rod structures. Two clamping blocks are slidably connected to the two first sliding rods. The camshaft is in contact with the inner sides of the two clamping blocks. A clamping groove with a V-shaped structure is opened on the inner side of each of the two clamping blocks.

[0012] Further, two second motors are fixed to the bottom end face of the inner wall of the frame body. An adjusting rod is fixed to the rotating shaft of each second motor. The lower end and the upper end of the two adjusting rods are respectively threadedly connected to the two clamping blocks. The thread directions of the upper end and the lower end of the two adjusting rods are opposite. When the adjusting rods rotate, the two clamping blocks are in a synchronous reverse state.

[0013] Further, a support component is fixed to the workbench. The support component is composed of a threaded pipe, a first threaded rod, a support block and an adjusting block. Four threaded pipes are welded to the bottom end face of the workbench. A first threaded rod is threadedly connected to each threaded pipe. A support block in the shape of a circular plate is rotatably connected to the lower end of each first threaded rod. The four support blocks are all in contact with the ground. An adjusting block is welded to each first threaded rod. The adjusting block is a hexagonal block structure.

[0014] Further, an auxiliary component is installed on the workbench. The auxiliary component is composed of an installation arm, a third electric cylinder and a vibration monitor. The installation arm is an L-shaped structure. The installation arm is welded to the top surface of the workbench. A third electric cylinder is welded to the bottom of the installation arm. A vibration monitor is fixed to the lower end of the third electric cylinder. The vibration monitor is in contact with the top end face of the outer wall of the camshaft.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] Through the settings of the test component, the fixing component, the limiting component and the auxiliary component, first, when the first electric cylinder extends, it can cooperate with the clamping seat to realize the clamping and fixing of the camshaft. By controlling the rotation of the first motor and cooperating with the auxiliary component, the axial center offset test of the camshaft can be realized. At this time, unqualified camshafts can be screened out to avoid affecting the precision of the finished parts subsequently; second, through the limiting seat, the limiting of the cam can be realized, ensuring that the cam can be accurately welded at the welding position on the camshaft and improving the processing precision; third, when welding the cam, by controlling the rotation of the second motor, at this time, the camshaft can be clamped by the two clamping blocks. Through the clamping of the camshaft, the stability during cam welding can be ensured, and the practicability is high.

[0017] Through the setting of the support component, when the horizontal adjustment of the workbench needs to be realized, a wrench can be clamped on the adjustment block and rotated. At this time, the rotation of the first threaded rod can be realized. When the first threaded rod rotates, the horizontal adjustment of the workbench can be realized, improving the adjustability of the device.

[0018] Through the setting of the fixing component, during the clamping and fixing process, by synchronously and reversely adjusting the two clamping blocks through the adjusting rod, the adjustment efficiency of the clamping blocks can be improved, saving the processing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0020] The drawings in the following description only relate to some embodiments of the present utility model and do not limit the present utility model.

[0021] In the drawings:

[0022] Figure 1 is the axonometric structural schematic diagram of the camshaft multi-station combination machine of the present utility model.

[0023] Figure 2 is the front view structural schematic diagram of the camshaft multi-station combination machine of the present utility model.

[0024] Figure 3 is the axonometric structural schematic diagram of the fixing component of the present utility model.

[0025] Figure 4 is the axonometric structural schematic diagram of the first electric cylinder and the rotating seat after being partially cut open of the present utility model.

[0026] Figure 5 is the axonometric structural schematic diagram of the limiting component of the present utility model.

[0027] Figure 6 It is a schematic structural diagram of the front view of the support component of the present utility model.

[0028] List of reference numerals

[0029] 1. Workbench;

[0030] 2. Support component; 201. Threaded tube; 202. First threaded rod; 203. Support block; 204. Adjusting block;

[0031] 3. Testing component; 301. First mounting block; 302. First motor; 303. Clamping seat; 304. Second mounting block; 305. First electric cylinder; 306. Rotating seat;

[0032] 4. Camshaft; 401. Cam;

[0033] 5. Fixing component; 501. Frame; 502. First sliding rod; 503. Clamping block; 504. Second motor; 505. Adjusting rod;

[0034] 6. Limiting component; 601. Seat body; 602. Second sliding rod; 603. Third mounting block; 604. Second threaded rod; 605. Second electric cylinder; 606. Clamping seat;

[0035] 7. Auxiliary component; 701. Mounting arm; 702. Third electric cylinder; 703. Vibration monitor. Detailed implementation manners

[0036] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0037] Embodiment 1:

[0038] Please refer to Figures 1 to 6 :

[0039] The present utility model provides a multi-station combination machine for a camshaft, including: a workbench 1; a testing component 3 is installed on the workbench 1.

[0040] Among them, the test component 3 is composed of a first mounting block 301, a first motor 302, a clamping seat 303, a second mounting block 304, a first electric cylinder 305 and a rotating seat 306. The first mounting block 301 is fixed on the workbench 1 by a screw. A first motor 302 is fixed to the left end face of the first mounting block 301 by a screw. A clamping seat 303 is fixed to the rotating shaft of the first motor 302. The clamping seat 303 is a conventional three-jaw fixture. A camshaft 4 is clamped on the clamping seat 303, and three cams 401 are sleeved on the camshaft 4.

[0041] Among them, the second mounting block 304 is fixed on the workbench 1. A first electric cylinder 305 is fixed to the right end face of the second mounting block 304. A rotating seat 306 is rotatably connected to the right end of the first electric cylinder 305 through a bearing. The right end of the rotating seat 306 contacts the left end of the camshaft 4.

[0042] Among them, three limiting components 6 are welded to the top end face of the workbench 1. The limiting component 6 is composed of a seat body 601, a second sliding rod 602, a third mounting block 603, a second threaded rod 604, a second electric cylinder 605 and a clamping seat 606. There are three seat bodies 601 in total. The three seat bodies 601 are all rectangular block structures, and the three seat bodies 601 are all welded to the top end face of the workbench 1; A second sliding rod 602 is welded to the left end face of each seat body 601. A third mounting block 603 is slidably connected to each second sliding rod 602. The three third mounting blocks 603 are all rectangular block structures, and the bottom end faces of the three are all in contact with the top end face of the workbench 1. A second threaded rod 604 is rotatably connected to each seat body 601, and the three second threaded rods 604 are respectively threadedly connected to the three third mounting blocks 603.

[0043] Among them, a second electric cylinder 605 is welded to the rear end face of each third mounting block 603. The rear end of each second electric cylinder 605 is an extending end. A clamping seat 606 is welded to the rear end of each second electric cylinder 605. The clamping seat 606 is a concave structure, and the three clamping seats 606 are respectively clamped with the three cams 401.

[0044] Among them, a fixing component 5 is fixed to the top end face of the workbench 1. The fixing component 5 is composed of a frame body 501, a first sliding rod 502, a clamping block 503, a second motor 504 and an adjusting rod 505. The frame body 501 is fixed to the top end face of the workbench 1. The frame body 501 is a concave structure. Two first sliding rods 502 are welded to the bottom end face of the inner wall of the frame body 501. The two first sliding rods 502 are both cylindrical rod structures. Two clamping blocks 503 are slidably connected to the two first sliding rods 502. The camshaft 4 contacts the inner sides of the two clamping blocks 503, and a V-shaped clamping groove is formed in the inner sides of the two clamping blocks 503.

[0045] Among them, two second motors 504 are fixedly installed on the inner bottom end surface of the frame body 501. A regulating rod 505 is fixedly installed on the rotating shaft of each second motor 504. The lower and upper ends of the two regulating rods 505 are respectively in threaded connection with two clamping blocks 503. The threading directions of the upper and lower ends of the two regulating rods 505 are opposite. When the regulating rods 505 rotate, the two clamping blocks 503 are in a synchronous reverse state.

[0046] Among them, a support assembly 2 is fixedly installed on the workbench 1. The support assembly 2 is composed of a threaded tube 201, a first threaded rod 202, a support block 203 and an adjustment block 204. Four threaded tubes 201 are welded to the bottom end surface of the workbench 1. A first threaded rod 202 is in threaded connection with each threaded tube 201. A circular plate-shaped support block 203 is rotatably connected to the lower end of each first threaded rod 202. All four support blocks 203 are in contact with the ground; an adjustment block 204 is welded to each first threaded rod 202. The adjustment block 204 is a hexagonal block structure.

[0047] Embodiment 2:

[0048] On the basis of Embodiment 1, an auxiliary assembly 7 is installed on the workbench 1. The auxiliary assembly 7 is composed of an installation arm 701, a third electric cylinder 702 and a vibration monitor 703. The installation arm 701 is an L-shaped structure. The installation arm 701 is welded to the top end surface of the workbench 1. A third electric cylinder 702 is welded to the bottom of the installation arm 701. A vibration monitor 703 is fixedly installed at the lower end of the third electric cylinder 702. The vibration monitor 703 is in contact with the top end surface of the outer wall of the camshaft 4. When the camshaft 4 rotates, the vibration monitor 703 can be used to perform a vibration test on the camshaft 4, and thus an axis offset test of the camshaft 4 can be realized.

[0049] The specific usage method and function of this embodiment:

[0050] During use, during processing, directly pass the camshaft 4 through the two clamping blocks 503, and clamp the right end of the camshaft 4 with the clamping seat 303. Control the first electric cylinder 305 to extend until the right end of the rotating seat 306 abuts against the left end of the camshaft 4; control the third electric cylinder 702 to extend until the vibration monitor 703 contacts the outer wall of the camshaft 4; control the first motor 302 to rotate. When the first motor 302 rotates, it can drive the clamping seat 303 and the camshaft 4 to rotate. At this time, the rotation of the camshaft 4 can be realized. When the camshaft 4 rotates, the vibration monitor 703 can detect the axis offset of the camshaft 4;

[0051] When welding the cam 401 to the camshaft 4, three cams 401 are sleeved on the camshaft 4, and it is ensured that the three cams 401 are aligned with the three clamping seats 606. Control the second electric cylinder 605 to extend until the three clamping seats 606 are clamped with the three cams 401. After the clamping is completed, manually use a welding machine to weld the cam 401 to the camshaft 4. Control the two second motors 504 to rotate. At this time, under the adjustment of the two adjusting rods 505, the two clamping blocks 503 move synchronously and reversely to clamp and fix the camshaft 4.

[0052] When it is necessary to horizontally adjust the workbench 1, use a wrench to clamp onto the adjusting block 204 and rotate it. At this time, the rotation of the first threaded rod 202 can be achieved, and when the first threaded rod 202 rotates, the horizontal adjustment of the workbench 1 can be realized.

Claims

1. Camshaft multi-station assembly machine, characterized in that: include: A workbench (1); a test assembly (3) is mounted on the workbench (1); the test assembly (3) is composed of a first mounting block (301), a first motor (302), a clamping seat (303), a second mounting block (304), a first electric cylinder (305) and a rotating seat (306); the first mounting block (301) is fixed to the workbench (1) via a screw, the first motor (302) is fixed to the left end surface of the first mounting block (301) via a screw, and a clamping seat (303) is fixed to the rotating shaft of the first motor (302). The clamping seat (303) is a conventional three-jaw clamp, the clamping seat (303) clamps a cam shaft (4), and the cam shaft (4) is sleeved with three cams (401); the second mounting block (304) is fixed on the workbench (1), a first electric cylinder (305) is fixed on the right end face of the second mounting block (304), a right end of the first electric cylinder (305) is rotatably connected to a rotating seat (306) through a bearing, and a right end of the rotating seat (306) contacts a left end of the cam shaft (4).

2. The camshaft multi-station assembly machine according to claim 1, characterized in that: The top surface of the workbench (1) is welded with three limit assemblies (6), the limit assemblies (6) are composed of a seat body (601), a second sliding rod (602), a third mounting block (603), a second threaded rod (604), a second electric cylinder (605) and a clamping seat (606), and there are three seat bodies (601) in total, and the three seat bodies (601) are all rectangular block structures, and the three seat bodies (601) are all welded to the top surface of the workbench (1); the left end surface of each seat body (601) is welded with a second sliding rod (602), and each second sliding rod (602) is slidably connected to a third mounting block (603), and the three third mounting blocks (603) are all rectangular block structures, and the bottom end surfaces of the three are in contact with the top surface of the workbench (1), and each seat body (601) is rotatably connected to a second threaded rod (604), and the three second threaded rods (604) are respectively threadedly connected to the three third mounting blocks (603).

3. The camshaft multi-station assembly machine according to claim 2, characterized in that: A second electric cylinder (605) is welded to the rear end face of each of the third mounting blocks (603); a rear end of each of the second electric cylinders (605) is a protruding end; a clamping seat (606) is welded to the rear end of each of the second electric cylinders (605); the clamping seat (606) is a concave structure; and the three clamping seats (606) are respectively clamped to the three cams (401).

4. The camshaft multi-station assembly machine according to claim 1, characterized in that: A fixing assembly (5) is fixed on the top surface of the workbench (1), and the fixing assembly (5) is composed of a frame (501), a first sliding rod (502), a clamping block (503), a second motor (504) and an adjusting rod (505). The frame (501) is fixed on the top surface of the workbench (1), and the frame (501) is a concave structure. Two first sliding rods (502) are welded on the bottom end surface of the inner wall of the frame (501), and the two first sliding rods (502) are both cylindrical rod-shaped structures. Two clamping blocks (503) are slidably connected to the two first sliding rods (502). The cam shaft (4) contacts the inner sides of the two clamping blocks (503), and the inner sides of the two clamping blocks (503) are each provided with a clamping groove with a V-shaped structure.

5. The camshaft multi-station assembly machine as claimed in claim 4, characterized in that: Two second motors (504) are fixed to the bottom end surface of the inner wall of the frame (501), and an adjustment rod (505) is fixed to the rotating shaft of each second motor (504). The lower end and the upper end of the two adjustment rods (505) are respectively threadedly connected to the two clamping blocks (503), and the thread directions of the upper end and the lower end of the two adjustment rods (505) are opposite. When the adjustment rod (505) rotates, the two clamping blocks (503) are in a synchronous reverse state.

6. The camshaft multi-station assembly machine according to claim 1, characterized in that: A support assembly (2) is fixed on the workbench (1), and the support assembly (2) is composed of a threaded tube (201), a first threaded rod (202), a support block (203) and an adjustment block (204). Four threaded tubes (201) are welded on the bottom end surface of the workbench (1), and each threaded tube (201) is threadedly connected to a first threaded rod (202). The lower end of each first threaded rod (202) is rotatably connected to a support block (203) with a circular plate structure, and the four support blocks (203) are all in contact with the ground; and each first threaded rod (202) is welded to an adjustment block (204), and the adjustment block (204) is a hexagonal block structure.

7. The camshaft multi-station assembly machine according to claim 1, characterized in that: An auxiliary component (7) is installed on the workbench (1), and the auxiliary component (7) is composed of a mounting arm (701), a third electric cylinder (702) and a vibration monitor (703). The mounting arm (701) is an L-shaped structure, and the mounting arm (701) is welded to the top surface of the workbench (1). A third electric cylinder (702) is welded to the bottom of the mounting arm (701), and a vibration monitor (703) is fixed to the lower end of the third electric cylinder (702). The vibration monitor (703) is in contact with the top surface of the outer wall of the camshaft (4).

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