Camshaft lathe punching clamp

Abstract

The utility model discloses a camshaft lathe punching clamp which comprises a bottom plate, a plurality of first supporting blocks, a plurality of second supporting blocks and a plurality of air cylinder pressing blocks, the first supporting blocks, the second supporting blocks and the air cylinder pressing blocks are all arranged on the bottom plate, V-shaped grooves are formed in the first supporting blocks, and the first supporting blocks and the second supporting blocks are arranged in a straight line. The cylinder pressing block is located on one side of the first supporting block. Man-machine separation can be achieved, and the machining safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to camshaft machining technical field especially is involved a kind of camshaft lathe punching clamp. BACKGROUND

[0002] Engine variable valve timing technology is according to the running condition of engine, adjusts air intake or exhaust volume, and valve opening and closing time, angle, so that the air intake reaches optimum, improves combustion efficiency.Variable valve timing system is composed of solenoid valve (OCV) and variable camshaft phase regulator (VCT), by adjusting engine cam phase, so that air intake can change with engine speed change.Usually, variable camshaft phase regulator is installed at the end of camshaft, and VCT hole needs to be machined at the end of camshaft.

[0003] Traditional punching operation is generally completed by radial drilling machine, workers need to hold camshaft to be fixed to punch, and artificial dependence is larger, and there is safety hazard. UTILITY MODEL CONTENTS

[0004] The summary portion of the present application is intended to introduce concepts in a simplified form, which will be described in detail in the following detailed description section.These concepts are not intended to identify key or essential features of the claimed technical solutions, nor are they intended to limit the scope of the claimed technical solutions.

[0005] The utility model discloses in order to overcome the insufficient of prior art, provide a kind of camshaft lathe punching clamp.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of camshaft lathe punching clamp, including bottom plate, several first support block, second support block and cylinder pressure block, first support block, second support block and cylinder pressure block are all located on bottom plate, V-shaped groove is provided on first support block, first support block and second support block are arranged in a straight line, and cylinder pressure block is at the side of first support block.

[0007] Further, the side wall of the first support block is provided with a baffle, the baffle is fixedly connected to the first support block, and the baffle is connected with a fixing block.

[0008] Further, a first recess is formed in the inner wall of the V-shaped groove, a pad is arranged in the first recess, and the pad is fixedly connected to the first recess by screws.

[0009] Further, the first support block comprises a first connecting block and a first movable block, the first connecting block is fixedly connected to the bottom plate, the first movable block is provided with a first connecting rod at the bottom, the first connecting block is provided with a first connecting groove, and the first connecting rod is inserted into the first connecting groove.

[0010] Further, the first connecting block is provided with a second groove, the first movable block is provided with a third groove, a rotating wheel is arranged in the second groove, a protrusion is arranged on the rotating wheel, and a filling block is arranged on the top of the third groove.

[0011] Further, a first movable groove is arranged on the side wall of the first connecting groove, a movable rod is arranged in the first movable groove, a plurality of supporting rods are arranged on the movable rod, and the first movable groove is communicated with the first connecting groove.

[0012] Further, a plurality of through grooves are arranged on the movable rod, the supporting rods are arranged in the through grooves, a rubber band is arranged at one end of the supporting rod, and the two ends of the rubber band are fixedly connected to the movable rod.

[0013] Further, the first connecting rod and the movable rod are both two groups, a transmission rod is arranged on the movable rod, a first transmission wheel is arranged on the first connecting block, and the transmission rods of the two groups of movable rods are respectively arranged on the two sides of the first transmission wheel and are in transmission cooperation with the first transmission wheel.

[0014] Further, a second transmission wheel in transmission cooperation with the first transmission wheel is arranged in the second groove, a ring groove is arranged on the rotating wheel, and a transmission ring in cooperation with the second transmission wheel is arranged in the ring groove.

[0015] Further, a first rotating shaft is arranged on the rotating wheel, a transmission cavity is arranged on the first rotating shaft, a second rotating shaft is arranged in the transmission cavity, a third transmission wheel for transmission of the transmission ring and the second rotating shaft is arranged on the first rotating shaft, a first end plate is arranged on the first rotating shaft, a second end plate is arranged on the second rotating shaft, a reset spring is arranged on the second end plate, and one end of the reset spring abuts against the first end plate.

[0016] The camshaft lathe punching clamp can realize man-machine separation and improve machining safety. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of this application are used to provide further understanding of this application, so that other features, objects and advantages of this application become more obvious. The illustrative embodiment drawings of this application and the description thereof are used to explain this application, and do not constitute improper limitation on this application.

[0018] In addition, throughout the drawings, the same or similar reference signs represent the same or similar elements. It should be understood that the drawings are schematic, and the elements and elements are not necessarily drawn according to the proportion.

[0019] In the drawings:

[0020] Figure 1 It is a structure schematic view of the camshaft lathe punching clamp in an embodiment of the utility model.

[0021] Figure 2 It is Figure 1Cross-sectional view of the rotating wheel of the camshaft lathe punching jig in the embodiment shown Figure 1 .

[0022] Figure 3 is an enlarged view of A in Figure 2

[0023] Figure 4 is an enlarged view of B in Figure 1 Figure 2 .

[0024] Figure 5 is an enlarged view of C in Figure 4

[0025] Figure 6 is an overall cross-sectional view of the camshaft lathe punching jig in the embodiment shown Figure 1

[0026] Figure 7 is an enlarged view of D in Figure 6

[0027] Figure 8 Figure 6

[0028] The meanings of the reference signs in the drawings are as follows:

[0029] 101, base; 102, first support block; 1021, first connecting block; 10211, first connecting groove; 10212, second recess; 1022, first movable block; 10221, third recess; 10222, filling block; 10223, first connecting rod; 103, second support block; 104, cylinder pressure block; 105, baffle; 106, fixed block; 107, first rotating shaft; 1071, first end plate; 108, rotating wheel; 109, protruding block; 110, movable rod; 1101, transmission rod; 111, support rod; 112, rubber band; 113, pad block; 114, transmission ring; 115, first transmission wheel; 116, second transmission wheel; 117, second rotating shaft; 1171, second end plate; 118, third transmission wheel; 119, return spring; 200, camshaft; 300, drill bit. DETAILED DESCRIPTION

[0030] Embodiments of the present disclosure will be described in more detail hereinafter with reference to the accompanying drawings. While the present disclosure will be described in conjunction with certain embodiments, it will be understood that the present disclosure can be embodied in various forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and fully convey the scope of the present disclosure to those skilled in the art. It will be understood that the drawings and embodiments herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure. DETAILED DESCRIPTION​​​​​​

[0031] In addition, it needs to be noted that only parts related to the utility model are shown in the drawings for the convenience of description. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0032] It should be noted that the concepts of “first”, “second” and the like mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0033] It should be noted that the modification of “one” or “multiple” mentioned in the present disclosure is illustrative rather than restrictive, and those skilled in the art should understand that “one” or “multiple” should be understood unless otherwise explicitly indicated in the context.

[0034] The names of the messages or information exchanged between the plurality of devices in the embodiments of the present disclosure are only for illustrative purposes, and are not used to limit the scope of the messages or information.

[0035] The present disclosure will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0036] As shown in Figures 1-8 A camshaft lathe punching clamp includes a base plate, a plurality of first support blocks 102, second support blocks 103 and cylinder pressure blocks 104, the first support blocks 102, the second support blocks 103 and the cylinder pressure blocks 104 are all arranged on the base plate, the first support blocks 102 are provided with V-shaped grooves, the first support blocks 102 and the second support blocks 103 are arranged in a straight line, and the cylinder pressure blocks 104 are located on one side of the first support blocks 102; the camshaft 200 is arranged on the first support blocks 102 and the second support blocks 103 to avoid rolling of the camshaft 200, the cylinder pressure blocks 104 are lowered to be buckled on the camshaft 200 to fix the camshaft 200, and the stability of machining of the camshaft 200 is ensured; the drill bit 300 is clamped on the numerical control lathe chuck, and the drill bit 300 is located at one end of the camshaft 200 to perform punching processing on the camshaft 200.

[0037] A baffle 105 is arranged on the side wall of the first support block 102, the baffle 105 is fixedly connected to the first support block 102, a fixing block 106 is connected to the baffle 105, the connection of the fixing block 106 to the baffle 105 plays a reinforcing role, and the connection effect of the baffle 105 and the first support block 102 is improved; the baffle 105 is used for axial fixation of the camshaft 200.

[0038] A first recess is arranged on the inner wall of the V-shaped groove, a pad 113 is arranged in the first recess, and the pad 113 is fixedly connected to the first recess by screws. The pad 113 is used to reduce the friction between the camshaft 200 and the inner wall of the V-shaped groove, and plays a protective role on the camshaft 200 and the inner wall of the V-shaped groove.

[0039] The first support block 102 comprises a first connecting block 1021 and a first movable block 1022, the first connecting block 1021 is fixedly connected to the bottom plate, the first movable block 1022 is provided with a first connecting rod 10223 at the bottom, the first connecting block 1021 is provided with a first connecting groove 10211, the first connecting rod 10223 is inserted into the first connecting groove 10211, and the first connecting rod 10223 can move in the first connecting groove 10211.

[0040] The first connecting block 1021 is provided with a second groove 10212, the first movable block 1022 is provided with a third groove 10221, the second groove 10212 is provided with a rotating wheel 108, the rotating wheel 108 is provided with a protruding block 109, and the top of the third groove 10221 is provided with a filling block 10222; the protruding block 109 does not contact the inner wall of the second groove 10212 when moving in the second groove 10212, the protruding block 109 abuts against the filling block 10222 when rotating into the third groove 10221 with the rotating wheel 108, the filling block 10222 is moved by the protruding block 109 to move the first movable block 1022 relative to the first connecting block 1021, the height of the V-shaped groove is adjusted, and the first support block 102 can adapt to machining of camshafts 200 of various diameters.

[0041] The sidewall of the first connecting groove 10211 is provided with a first movable groove, the first movable groove is provided with a movable rod 110, and the first movable groove is communicated with the first connecting groove 10211; the movable rod 110 is provided with a plurality of through grooves, the through grooves are provided with support rods 111, one end of the support rod 111 is provided with a rubber band 112, both ends of the rubber band 112 are fixedly connected to the movable rod 110, and the support rod 111 can move in the through groove; when the movable rod 110 drives the support rod 111 to move, if the support rod 111 abuts against the first connecting rod 10223, the support rod 111 moves in the through groove, the rubber band 112 is stretched, and the movable rod 110 normally moves; the support rod 111 at one end of the first connecting rod 10223 provides a supporting force for the first connecting rod 10223, the first movable block 1022 is fixed at the current position, and the machining position of the camshaft 200 is aligned with the drill bit 300.

[0042] The first connecting rod 10223 and the movable rod 110 are both two groups, the movable rod 110 is provided with a transmission rod 1101, the first connecting block 1021 is provided with a first transmission wheel 115, the transmission rods 1101 of the two groups of movable rods 110 are respectively located on the two sides of the first transmission wheel 115 and are in transmission cooperation with the first transmission wheel 115.

[0043] The second groove 10212 is provided with a second transmission wheel 116 in transmission cooperation with the first transmission wheel 115, the rotating wheel 108 is provided with a ring groove, and the ring groove is provided with a transmission ring 114 in cooperation with the second transmission wheel 116.

[0044] The rotating wheel 108 is provided with a first rotating shaft 107, the first rotating shaft 107 is provided with a transmission cavity, the second rotating shaft 117 is arranged in the transmission cavity, the first rotating shaft 107 is provided with a third transmission wheel 118 for driving the transmission ring 114 and the second rotating shaft 117; the first rotating shaft 107 is provided with a first end plate 1071, the second rotating shaft 117 is provided with a second end plate 1171, the second end plate 1171 is provided with a reset spring 119, one end of the reset spring 119 abuts against the first end plate 1071.

[0045] The fixed block 106 comprises a second connecting block and a second movable block, the second movable block is provided with a second connecting rod, the second connecting block is provided with a second connecting groove corresponding to the second connecting rod, and the baffle 105 moves with the first movable block 1022.

[0046] The second supporting block 103 comprises a third connecting block and a third movable block, and the connection mode of the third movable block and the third movable block is the same as that of the first connecting block 1021 and the first movable block 1022.

[0047] When it is necessary to adjust the height of the first movable block 1022, the second rotating shaft 117 is pushed towards the first rotating shaft 107, the second rotating shaft 117 is moved to the side of the third transmission wheel 118 to form a transmission cooperation with the third transmission wheel 118, the second rotating shaft 117 is rotated relative to the first rotating shaft 107, the transmission ring 114 drives the second transmission wheel 116 to rotate, the movable rod 110 moves into the first movable groove, and the supporting rod 111 enters the first movable groove; the second end plate 1171 is released, the reset spring 119 pushes the second rotating shaft 117 to move, the second rotating shaft 117 is separated from the third transmission wheel 118, the first rotating shaft 107 is rotated, the first rotating shaft 107 drives the rotating wheel 108 to rotate, the convex block 109 abuts against the filling block 10222 to push the first movable block 1022 to move, the first movable block 1022 moves to a designated position, the second rotating shaft 117 is pushed again to form a transmission cooperation with the third transmission wheel 118, the second rotating shaft 117 is rotated to drive the first transmission wheel 115 to move the movable rod 110 in the direction of the first connecting groove 10211, the supporting rod 111 is inserted into the first connecting groove 10211 and abuts against the bottom of the first connecting rod 10223 to provide a supporting force for the first connecting rod 10223, and the first movable block 1022 is fixed at the current position.

[0048] The baffle 105 moves with the position adjustment of the first movable block 1022, the first rotating shaft 107 synchronously adjusts the height of the third movable block while adjusting the height of the first movable block 1022, so that the first supporting block 102 and the second supporting block 103 are always at the same height to provide a stable supporting force for the camshaft 200.

[0049] The above description is merely some of the preferred embodiments of the present disclosure and a description of the principles of the technology used. Those skilled in the art should understand that the scope of the utility model involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combinations of the above technical features or equivalent features without departing from the above utility model concept. For example, the above features are replaced with each other to form a technical solution with similar functions disclosed in the embodiments of the present disclosure (but not limited to).

Claims

1. A camshaft lathe punching fixture, characterized by: It includes a base plate, several first support blocks, second support blocks and a cylinder pressure block. The first support block, the second support block and the cylinder pressure block are all arranged on the base plate. The first support block is provided with a V-shaped groove. The first support block and the second support block are arranged in a straight line, and the cylinder pressure block is on one side of the first support block.

2. The camshaft lathe punching fixture according to claim 1, characterized in that: A baffle is provided on the side wall of the first supporting block. The baffle is fixedly connected to the first supporting block, and a fixing block is connected to the baffle.

3. The camshaft lathe punching fixture according to claim 1, characterized in that: A first groove is provided on the inner wall of the V-shaped groove, a pad is provided in the first groove, and the pad is fixed in the first groove by screws.

4. The camshaft lathe punching fixture according to claim 1, characterized in that: The first supporting block includes a first connecting block and a first movable block. The first connecting block is fixedly connected to the base plate. A first connecting rod is provided at the bottom of the first movable block. A first connecting groove is provided on the first connecting block. The first connecting rod is inserted into the first connecting groove.

5. The camshaft lathe punching fixture according to claim 4, characterized in that: A second groove is provided on the first connecting block, a third groove is provided on the first movable block, a rotating wheel is provided in the second groove, a protrusion is provided on the rotating wheel, and a filling block is provided on the top of the third groove.

6. The camshaft lathe punching fixture according to claim 5, characterized in that: A first movable groove is provided on the side wall of the first connecting groove, a movable rod is provided in the first movable groove, a plurality of supporting rods are provided on the movable rod, and the first movable groove is communicated with the first connecting groove.

7. The camshaft lathe punching fixture according to claim 6, characterized in that: The movable rod is provided with a plurality of through slots, the support rod is passed through the through slots, one end of the support rod is provided with a rubber band, and both ends of the rubber band are fixedly connected to the movable rod.

8. The camshaft lathe punching fixture according to claim 6, characterized in that: There are two groups of the first connecting rod and the movable rod. The movable rod is provided with a transmission rod, and the first connecting block is provided with a first transmission wheel. The transmission rods of the two groups of movable rods are respectively located on both sides of the first transmission wheel and cooperate with the first transmission wheel.

9. The camshaft lathe punching fixture according to claim 8, characterized in that: A second transmission wheel that cooperates with the first transmission wheel is provided in the second groove, and an annular groove is provided on the rotating wheel. A transmission ring that cooperates with the second transmission wheel is provided in the annular groove.

10. The camshaft lathe punching fixture according to claim 9, characterized in that: The rotating wheel is provided with a first rotating shaft, a transmission cavity is provided on the first rotating shaft, a second rotating shaft is passed through the transmission cavity, and a third transmission wheel for transmitting the transmission ring and the second rotating shaft is provided on the first rotating shaft; a first end plate is provided on the first rotating shaft, a second end plate is provided on the second rotating shaft, a return spring is provided on the second end plate, and one end of the return spring rests on the first end plate.

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