CN210346963U - Camshaft sliding force detection equipment - Google Patents
Camshaft sliding force detection equipment Download PDFInfo
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- CN210346963U CN210346963U CN201921720490.7U CN201921720490U CN210346963U CN 210346963 U CN210346963 U CN 210346963U CN 201921720490 U CN201921720490 U CN 201921720490U CN 210346963 U CN210346963 U CN 210346963U
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- camshaft
- force
- linear guide
- guide rail
- sliding force
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Abstract
The utility model relates to a camshaft sliding force check out test set relates to a check out test set that is used for detecting sleeve sliding force on the assembled camshaft. Its purpose is in order to provide the camshaft sliding force check out test set that can make things convenient for, the efficient detects a plurality of positions. The utility model relates to a camshaft sliding force check out test set includes frame, clamping position mechanism, measurement position switching mechanism and power measurement mechanism, clamping position mechanism and measurement position switching mechanism install in the frame, measurement position switching mechanism includes sharp module and takes the guide arm cylinder, sharp module and taking the guide arm cylinder to be used for taking power measurement mechanism to move in the horizontal direction, power measurement mechanism includes plectrum and force sensor, the plectrum is used for the card in the sleeve outside, one side of force sensor and the side fixed connection of plectrum, force sensor are used for measuring the sliding force.
Description
Technical Field
The utility model relates to a sliding force detects technical field, especially relates to a detect check out test set of sleeve sliding force on assembled camshaft.
Background
The camshaft is one of the key components in a piston engine to vary the opening and closing of the valves. The variable lift type camshaft is assembled by combining a sleeve with a cam contour line and a mandrel, and the sleeve and the mandrel are locked by a spring and a steel ball structure. When the sleeve is subjected to a certain axial force (the force of the spring for jacking the steel ball can be overcome), the sleeve can slide to another position along the axial direction, and after the sleeve is switched in place, the sleeve is locked by the spring steel ball mechanism again. In the second position, the sleeve may control the valve opening and closing in another manner. During the use process, the sleeve switching force with proper size and stability is the key of the normal work of the camshaft. There is no prior art automated device that can be used to measure such slip forces. How to carry out accurate efficient detection to the sliding force of this kind of camshaft structure is the problem that the enterprise is urgently needed to solve at present.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can make things convenient for, the efficient detects the camshaft glide force check out test set of a plurality of positions.
The utility model relates to a camshaft glide force check out test set, including frame, tight positioning mechanism of clamp, measurement position switching mechanism and power measurement mechanism, tight positioning mechanism of clamp and measurement position switching mechanism install in the frame, measurement position switching mechanism includes sharp module and takes the guide arm cylinder, sharp module and taking the guide arm cylinder to be used for taking power measurement mechanism to move in the horizontal direction, power measurement mechanism includes plectrum and force sensor, the plectrum is used for the card in the sleeve outside, one side of force sensor and the side fixed connection of plectrum, force sensor are used for measuring glide force.
The utility model relates to a camshaft sliding force detection device, wherein the clamping and positioning mechanism comprises a fixed center and a movable center, the fixed center is arranged on a center bracket, and the center bracket is arranged on a frame; the live center is arranged on a piston rod of the locking cylinder, and the locking cylinder is fixed on the frame.
The utility model relates to a camshaft sliding force check out test set, wherein the sharp module includes ball and first linear guide, first linear guide sets up with ball side by side.
The utility model relates to a camshaft sliding force check out test set, wherein ball passes through the shaft coupling and is connected with servo motor, and ball is fixed by the bearing frame at both ends.
The utility model relates to a camshaft sliding force check out test set, wherein the area guide arm cylinder links to each other with first linear guide and ball respectively.
The utility model relates to a camshaft sliding force check out test set, wherein force measuring mechanism still includes second linear guide and fixed block.
The utility model relates to a camshaft sliding force check out test set, wherein second linear guide and fixed block are all installed on the mounting panel of taking the guide arm cylinder, the plectrum is installed on the slider with second linear guide cooperation installation, force sensor and fixed block fixed connection, second linear guide's installation direction is parallel with sleeve sliding direction.
The utility model relates to a camshaft sliding force check out test set, wherein set up in the frame by the tow chain, the tow chain is used for loading the cable.
The utility model relates to a camshaft sliding force check out test set and prior art difference lie in, the utility model relates to a camshaft sliding force check out test set utilizes sharp module and takes guide arm cylinder fast switch-over measuring position, can realize a clamping back, carries out the sliding force test of a plurality of positions automatically, improves detection efficiency, saves measuring time. The utility model discloses a force measuring mechanism compact structure measures effectively. Connect the plectrum through second linear guide, make the plectrum can only follow guide rail direction free motion to give force transducer with sliding force equivalent transfer and measure, measuring degree of accuracy is higher.
The utility model relates to a camshaft sliding force detection equipment has the technical effects that the automatic sleeve sliding force testing device can automatically detect the sliding switching force of a plurality of positions, and fills the market blank; the measurement process is operated in a full-automatic mode, manual participation is not needed, and the reliability is high; the equipment automatically measures and records data, thereby facilitating the process control and management in the production process of products; the utility model discloses require extensively to the structure and the appearance of work piece, only need satisfy key positioning condition and just can be applied to the detection to other shape structure work pieces through simple transformation plectrum shape, equipment flexibility is stronger.
The following describes the camshaft sliding force detection device of the present invention with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a camshaft sliding force detection device of the present invention;
fig. 2 is a schematic structural diagram of a force measuring mechanism in the camshaft sliding force detecting apparatus of the present invention;
the notation in the figures means: 001-a frame; 002-locking the cylinder; 003-live center; 004-sleeve; 005-plectrum; 006-cylinder with guide rod; 007-linear module; 008-top holder; 009-fixed centre; 010-a support seat; 011-drag chain; 012-mounting plate; 013-a second linear guide; 014-force sensor; 015-fixed block.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, the utility model relates to a camshaft sliding force check out test set includes frame 001, presss from both sides tight positioning mechanism, measures position switching mechanism and power measurement mechanism. The clamping and positioning mechanism and the measuring position switching mechanism are mounted on the rack 001, the clamping and positioning mechanism is used for positioning the camshaft, and the measuring position switching mechanism is used for switching the force measuring mechanism to different measuring positions to carry out multiple measurements. The force measuring mechanism is arranged on the measuring position switching mechanism and is used for measuring the sliding force of the camshaft.
In order to improve the positioning precision, the cam shaft is positioned by a self-centering mechanism with centers clamped at two ends. The clamping and positioning mechanism comprises a fixed center 009 and a movable center 003, the fixed center 009 is mounted on a center bracket 008, and the center bracket 008 is mounted on a frame 001; the live center 003 is installed on the piston rod of the locking cylinder 002, and the locking cylinder 002 is fixed on the frame 001. The locking cylinder 002 drives the live center 003 to do linear telescopic motion, and after the piston rod extends out, the locking mechanisms on the two sides lock the guide rod to clamp the workpiece; and after the piston rod is retracted, avoiding a space for placing a workpiece.
The measurement position switching mechanism comprises a linear module 007 and a cylinder with a guide rod 006, wherein the linear module 007 is used for moving the power measurement mechanism in the X direction, the cylinder with the guide rod 006 is used for moving the power measurement mechanism in the Y direction, and the power measurement mechanism moves to different measurement positions through the composite motion of X, Y in two directions. The linear module 007 includes a ball screw and a first linear guide. The servo motor drives the ball screw to rotate through the coupler, and the ball screw is fixed by the bearing seats at the two ends; the first linear guide rail and the ball screw are arranged in parallel. The cylinder 006 with guide rod is connected with the first linear guide rail and the ball screw respectively, wherein the first linear guide rail is used for bearing the weight of the cylinder 006 with guide rod, so as to prolong the service life of the ball screw, and the accurate control of the position where the force measuring mechanism is located can be realized by the thrust which can be output by the ball screw.
As shown in fig. 2, the force measuring mechanism includes a paddle 005, a second linear guide 013, a force sensor 014, and an anchor block 015. Wherein the second linear guide 013 and the fixed block 015 are both mounted on the mounting plate 012 with the guide bar cylinder 006. The pusher 005 is mounted on a slider fitted with the second linear guide 013. One side of the force sensor 014 is fixedly connected with the side of the pick 005, and the other side is fixedly connected with the fixed block 015. The mounting direction of the second linear guide 013 is parallel to the sliding direction of the sleeve 004. When the paddle 005 is pushed, the force sensor 014 receives a reaction force in the direction of the second linear guide 013, and the remaining force is received by the second linear guide 013, ensuring that the force sensor 014 can accurately measure the slip force.
Various cables in the equipment are installed in a tow chain 011, and the tow chain 011 is installed on the rack 001, so that the cables are prevented from being pulled to cause damage in the motion process. A supporting seat 010 is installed on the rack 001 and used for supporting the camshaft.
The utility model relates to a camshaft sliding force check out test set's theory of operation does: after the workpiece is placed at the preassembly position, the locking cylinder 002 drives the movable center 003 to extend out and push into a circular hole at the tail part of the mandrel, so that the workpiece is positioned and clamped; after a servo motor in the linear module 007 drives the guide rod cylinder 006 to move to a proper position through the ball screw, the guide rod cylinder drives the pull tab 005 to extend out and enable the pull tab 005 to clamp the outer circle of the cylindrical section of the sleeve 004; the linear module 007 acts to drive the guide rod cylinder and the shifting piece 005 to move to one side; after the side face of the pull tab 005 is attached to the shaft shoulder of the sleeve 004, the pull tab 005 is continuously driven to move, and an axial thrust is applied to the sleeve 004; when the thrust is increased to overcome the resistance of the spring steel ball, the sleeve 004 is switched to move to another position; the side of the plectrum 005 is connected with the tension and pressure sensor 014, the force sensor 014 is utilized to measure the thrust exerted by the plectrum 005 on the sleeve 004 in the movement process, and the thrust is transmitted to the PLC in a wired or wireless communication mode to generate a sliding force and movement displacement curve for relevant analysis, the analysis process is completed by the existing software and is not taken as the key point of the scheme of the utility model; after the measurement of the first position is completed, the guide rod cylinder is retracted, the linear module 007 moves to the next measurement position and extends out of the guide rod cylinder, and the linear module 007 drives the poking piece 005 to push and press the sleeve 004 at the second position and detects the force. By analogy, the detection of the sliding force of the sleeve 004 at a plurality of different positions can be completed.
The utility model relates to a camshaft sliding force check out test set utilizes sharp module 007 and takes guide arm cylinder 006 fast switch over to measure the position, can realize a clamping back, carries out the sliding force test of a plurality of positions automatically, improves detection efficiency, saves measuring time. The utility model discloses a force measuring mechanism compact structure measures effectively. The second linear guide rail 013 is connected to the paddle 005 so that the paddle 005 can move freely only in the direction of the guide rail, and the sliding force is equivalently transmitted to the force sensor 014 to be measured, which results in high measurement accuracy.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a camshaft sliding force check out test set which characterized in that: including frame, clamping position mechanism, measurement position switching mechanism and power measurement mechanism, clamping position mechanism and measurement position switching mechanism install in the frame, measurement position switching mechanism includes sharp module and takes the guide arm cylinder, sharp module and taking the guide arm cylinder are used for taking power measurement mechanism to move in the horizontal direction, power measurement mechanism includes plectrum and force sensor, the plectrum is used for blocking in the sleeve outside, one side of force sensor and the side fixed connection of plectrum, force sensor is used for measuring the glide force.
2. The camshaft slip force detection apparatus according to claim 1, characterized in that: the clamping and positioning mechanism comprises a fixed center and a movable center, the fixed center is arranged on a center support, and the center support is arranged on the frame; the live center is arranged on a piston rod of the locking cylinder, and the locking cylinder is fixed on the frame.
3. The camshaft slip force detection apparatus according to claim 1, characterized in that: the linear module comprises a ball screw and a first linear guide rail, and the first linear guide rail and the ball screw are arranged in parallel.
4. A camshaft slip force detecting apparatus according to claim 3, characterized in that: the ball screw is connected with the servo motor through a coupler and fixed by bearing seats at two ends.
5. A camshaft slip force detecting apparatus according to claim 3, characterized in that: the cylinder with the guide rod is respectively connected with the first linear guide rail and the ball screw.
6. The camshaft slip force detection apparatus according to claim 1, characterized in that: the force measuring mechanism further comprises a second linear guide rail and a fixed block.
7. The camshaft slip force detection apparatus according to claim 6, wherein: the second linear guide rail and the fixed block are both mounted on a mounting plate with a guide rod cylinder, the shifting piece is mounted on a sliding block mounted in a matched mode with the second linear guide rail, the force sensor is fixedly connected with the fixed block, and the mounting direction of the second linear guide rail is parallel to the sliding direction of the sleeve.
8. The camshaft slip force detection apparatus according to claim 7, wherein: the frame is provided with a drag chain, and the drag chain is used for loading cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720490.7U CN210346963U (en) | 2019-10-15 | 2019-10-15 | Camshaft sliding force detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720490.7U CN210346963U (en) | 2019-10-15 | 2019-10-15 | Camshaft sliding force detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210346963U true CN210346963U (en) | 2020-04-17 |
Family
ID=70178587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921720490.7U Active CN210346963U (en) | 2019-10-15 | 2019-10-15 | Camshaft sliding force detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210346963U (en) |
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2019
- 2019-10-15 CN CN201921720490.7U patent/CN210346963U/en active Active
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