Cam segmenter operation detection device

Abstract

The application discloses a cam divider operation detection device, and relates to the technical field of cam divider manufacturing.The cam divider operation detection device comprises a rack and a control cabinet, a cam divider is arranged at the top end of the rack, a rotating disc is fixedly connected to the outer side of the output shaft of the cam divider, a longitudinal acceleration mechanism is fixedly connected to one end of the rack, a side plate is fixedly connected to one end of the longitudinal acceleration mechanism, an eccentric load mechanism is fixedly connected to one end of the side plate, and a counterweight is arranged on the inner side of the eccentric load mechanism.The eccentric load mechanism can simulate the mechanical performance of the output shaft of the cam divider under uneven load, and can automatically change the size of the load according to the test requirements, so that the number of the counterweights arranged in the inner side of the disc of the placing box can be manually increased or reduced without stopping the machine by the staff, the load weight can be dynamically adjusted without stopping the machine, the test can be continuously carried out, and the overall test efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of cam divider manufacturing technology, and in particular to a cam divider operation detection device. Background Technology

[0002] A cam divider is a mechanism that enables intermittent motion and is a high-precision transmission device widely used in automated machinery. It primarily achieves intermittent motion through the contact and disengagement of a cam with a specific profile and a corresponding follower. As a high-precision rotary device, it can convert continuous rotary motion into intermittent indexing motion, providing an efficient and reliable solution for automated production lines and machining processes.

[0003] Cam dividers require mechanical performance testing during manufacturing. In actual use, the output shaft needs to be fixedly connected to the turntable that carries the workpiece. A phenomenon occurs where one side of the turntable has a workpiece while the other side is empty, resulting in uneven load distribution. Furthermore, cam dividers, including swing-type cam dividers, involve fixing a cylinder to one side of the turntable. The divider then reciprocates by the cylinder and grippers. When the cylinder extends or retracts, the grippers move vertically, causing a change in the workpiece's vertical position. The cylinder's movement also causes acceleration in the workpiece, altering the forces on the turntable and output shaft. Existing cam divider testing devices struggle to simulate the impact of this eccentric dynamic load on the cam divider's accuracy maintenance and elastic deformation. Therefore, a cam divider operation detection device is proposed to address these issues. Summary of the Invention

[0004] The purpose of this invention is to provide a cam divider operation detection device to solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] A cam divider operation detection device includes a frame and a control cabinet. A cam divider is placed at the top of the frame. A turntable is fixedly connected to the outer side of the output shaft of the cam divider. A longitudinal acceleration mechanism is fixedly connected to one end of the frame. A side plate is fixedly connected to one end of the longitudinal acceleration mechanism. An eccentric load mechanism is fixedly connected to one end of the side plate. A counterweight is placed inside the eccentric load mechanism. The control cabinet is located on one side of the frame. A support block is fixedly connected to one end of the frame. A geared motor is fixedly connected to one end of the support block. The geared motor is detachably connected to the cam divider via a coupling.

[0007] Preferably, the counterweight includes a counterweight body, rollers, a slot, and a pushing surface. The rollers are rotatably connected to the counterweight body, and rollers are provided on both sides of the counterweight body.

[0008] Preferably, the eccentric load mechanism includes a placement box and a storage box. A guide shell is slidably connected to the outer side of the placement box. A locking screw is spirally connected to the inner side of one end of the guide shell, and the end of the locking screw is in contact with the placement box. A first spring is fixedly connected to the inner side of the placement box. A load plate that is slidably connected to the placement box is fixedly connected to the top of the first spring. A first placement groove is opened on the inner side of both ends of the placement box. The placement box is fixedly connected to the longitudinal acceleration mechanism.

[0009] Preferably, a first lever is fixedly connected to the top of the placement box, a second lever is rotatably connected to one end of the first lever, a first torsion spring is provided on the outer side of the pivot of the second lever and the first lever, a stop block is fixedly connected to one end of the first lever, and the stop block is located on one side of the second lever.

[0010] Preferably, one end of the placement box is fixedly connected to a fixed shell, the inner side of the fixed shell is slidably connected to a locking rod that matches the locking slot, the outer side of the locking rod is provided with a second spring, and the two ends of the second spring are fixedly connected to the fixed shell and the locking rod respectively. One end of the storage box is rotatably connected to a baffle, and the outer side of the baffle and the rotating shaft of the storage box is provided with a second torsion spring.

[0011] Preferably, a second placement slot is provided at both ends of the storage box, a connecting frame is fixedly connected to both ends of the storage box, a support plate is fixedly connected to the other end of the connecting frame, a wedge plate is fixedly connected to one end of the support plate, and a pressure plate is fixedly connected to the side end of the storage box.

[0012] Preferably, a connecting frame is fixedly connected to one end of the storage box, a connecting rod is engaged inside one end of the connecting frame, a first linear motion module is fixedly connected to one end of the connecting rod, and the first linear motion module is fixedly connected to the side plate.

[0013] Preferably, the longitudinal acceleration mechanism includes a base plate fixedly connected to the placement box, a third spring fixedly connected to one end of the base plate and fixedly connected to the guide shell, a guide roller rotatably connected to one end of the placement box, a base provided on the side of the guide roller, and a first guide plate and a second guide plate fixedly connected to the top of the base.

[0014] Preferably, both the first guide plate and the second guide plate are wavy, with the surface of the first guide plate being curved and the surface of the second guide plate being flat.

[0015] Preferably, the longitudinal acceleration mechanism further includes a bracket fixedly connected to the side plate, a support leg fixedly connected to the bottom end of the bracket, a second linear motion module fixedly connected to the inner side of the bracket, an electric push rod fixedly connected to one end of the slider of the second linear motion module, and the movable part of the electric push rod fixedly connected to the base.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. A cam divider operation detection device, equipped with an eccentric load mechanism, which can simulate the mechanical performance of the output shaft of the cam divider when subjected to uneven load. At the same time, it can automatically change the load size according to the test requirements, without the need for the operator to stop the machine and manually increase or decrease the number of counterweights on the inner side plate of the placement box. This allows for dynamic adjustment of the load weight without stopping the machine, thereby achieving non-stop testing, realizing the continuity of testing and improving the overall testing efficiency.

[0018] 2. A cam divider operation detection device, equipped with an eccentric load mechanism and a longitudinal acceleration mechanism. Through these two mechanisms, the counterweight can move along a predetermined trajectory in the vertical direction while rotating with the turntable, thereby simulating the scenario in actual use where the cylinder carries the workpiece in the vertical direction, and thus measuring the influence of the workpiece's up-and-down movement during rotation on the accuracy maintenance and elastic deformation of the cam divider. Attached Figure Description

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Figure 1 This is a schematic diagram of the overall structure of a cam divider operation detection device according to the present invention.

[0021] Figure 2 This is a schematic diagram of the installation structure of the reduction motor of the cam divider operation detection device of the present invention.

[0022] Figure 3 This is a schematic diagram of the installation structure of the connecting rod of the cam divider operation detection device of the present invention.

[0023] Figure 4 This is a schematic diagram of the installation structure of the connection frame of the cam divider operation detection device of the present invention.

[0024] Figure 5This is a schematic diagram of the installation structure of the placement box of the cam divider operation detection device of the present invention.

[0025] Figure 6 This is a schematic diagram of the mounting structure of the loading plate of the cam divider operation detection device of the present invention.

[0026] Figure 7 This is a schematic diagram of the installation structure of the second dial plate of the cam divider operation detection device of the present invention.

[0027] Figure 8 This is a schematic diagram of the mounting structure of the clamp rod of the cam divider operation detection device of the present invention.

[0028] Figure 9 This is a schematic diagram of the installation structure of the baffle of the cam divider operation detection device of the present invention.

[0029] Figure 10 This is a side view of the mounting structure of the second torsion spring in the cam divider operation detection device of the present invention.

[0030] Figure 11 This is a schematic diagram of the position of the second lever when the counterweight block inside the placement box of the cam divider operation detection device of the present invention needs to be moved to the inside of the storage box.

[0031] Figure 12 This is a schematic diagram showing the position of the first lever when a counterweight needs to be added to the inside of the storage box of a cam divider operation detection device according to the present invention.

[0032] Figure 13 This is a schematic diagram of the longitudinal acceleration mechanism of a cam divider operation detection device according to the present invention.

[0033] Figure 14 This is a side view of the first guide plate of the cam divider operation detection device of the present invention.

[0034] Figure 15 This is a schematic diagram of the installation structure of the electric push rod of the cam divider operation detection device of the present invention.

[0035] Figure 16 This is a schematic diagram of the counterweight block of a cam divider operation detection device according to the present invention.

[0036] In the diagram: 1. Eccentric load mechanism; 101. Placement box; 101. First placement slot; 102. First spring; 103. Loading plate; 104. Connecting rod; 105. First linear motion module; 106. First lever; 107. Second lever; 108. First torsion spring; 109. Stop block; 110. Fixed shell; 111. Locking rod; 112. Second spring; 113. Guide shell; 114. Storage box; 114. Second placement slot; 115. Connecting frame; 116. Support plate; 117. Wedge plate; 118. Pressure plate; 119. Connecting frame; 120. Locking screw; 121. Baffle; 122. Second torsion spring;

[0037] 2. Longitudinal acceleration mechanism; 201. Second linear motion module; 202. Electric push rod; 203. Base; 204. First guide plate; 205. Second guide plate; 206. Guide roller; 207. Base plate; 208. Third spring; 209. Bracket; 210. Support leg;

[0038] 3. Frame; 4. Control cabinet; 5. Cam divider; 6. Support block; 7. Gear motor; 8. Turntable; 9. Side plate; 10. Counterweight; 1001. Counterweight body; 1002. Roller; 1003. Slot; 1004. Pushing surface; 11. First contour line; 12. Second contour line. Detailed Implementation

[0039] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual pictures. They should not be construed as limiting the present invention. To better illustrate the specific embodiments of the present invention, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual product size. At the same time, all precision instruments such as lead screws, screws, gears, racks, etc. are provided with protective structures such as protective covers. As these are common knowledge, they are not described in detail in the specification. It is understandable for those skilled in the art that some common structures and their descriptions may be omitted in the drawings. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] To make the technical means, creative features, objectives, and effects of this invention easier to understand, it should be noted in the description of this invention that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The invention will be further described below in conjunction with specific embodiments.

[0041] Example

[0042] The first contour line 11 is the plane where the bottom surface of the counterweight 10 at the bottom of the storage box 114 is located, and the second contour line 12 is the plane where the top surface of the counterweight 10 at the bottom of the storage box 114 is located. These lines are used to describe the working positions of the first lever 106 and the second lever 107.

[0043] The first linear motion module 105 and the second linear motion module 201 are both composed of components such as motors, screws, and sliders, which is existing technology and will not be described in detail here.

[0044] like Figures 1-16 As shown, a cam divider operation detection device includes a frame 3 and a control cabinet 4. A cam divider 5 is placed on the top of the frame 3. The cam divider 5 is fixed to the frame 3 by bolts, which facilitates the disassembly and replacement of different cam dividers 5 on the frame 3.

[0045] A turntable 8 is fixedly connected to the outside of the output shaft of the cam divider 5. When the performance of the cam divider 5 needs to be tested, the turntable 8 is fixed to the output shaft of the cam divider 5 by bolts. At the same time, four slots are opened around the turntable 8 so that the guide shell 113 inside the eccentric load mechanism 1 can be fixed to the turntable 8 by bolts through the slots.

[0046] A longitudinal acceleration mechanism 2 is fixedly connected to one end of the frame 3. A side plate 9 is fixedly connected to one end of the longitudinal acceleration mechanism 2. An eccentric load mechanism 1 is fixedly connected to one end of the side plate 9. A counterweight 10 is placed inside the eccentric load mechanism 1. A control cabinet 4 is provided on one side of the frame 3. A support block 6 is fixedly connected to one end of the frame 3. A geared motor 7 is fixedly connected to one end of the support block 6. The geared motor 7 is detachably connected to the cam divider 5 through a coupling. When the cam divider 5 is placed on the frame 3, the position of the geared motor 7 on the support block 6 is adjusted according to the position of the input shaft of the cam divider 5, so that the main shaft of the geared motor 7 can be connected to the input shaft of the cam divider 5 through the coupling, so that the geared motor 7 drives the cam divider 5 to work through the coupling, and the output shaft of the cam divider 5 drives the turntable 8 to rotate together.

[0047] As a further improvement to the present invention, such as Figure 16 As shown, the counterweight 10 includes a counterweight body 1001, a roller 1002, a slot 1003, and a pushing surface 1004. The roller 1002 is rotatably connected to the counterweight body 1001, and rollers 1002 are provided on both sides of the counterweight body 1001. The counterweight 10 has a variety of different preset masses, and the weight of the counterweight 10 can be selected according to the actual testing requirements.

[0048] The roller 1002 is located at the center of gravity of the counterweight 10 to ensure that the counterweight 10 is in a balanced state after being supported by the roller 1002, thus preventing the counterweight 10 from tilting.

[0049] After the counterweight 10 is placed inside the placement box 101, it is engaged with the locking rod 111 inside the eccentric load mechanism 1 through the locking groove 1003, which can ensure that the counterweight 10 can be stably placed inside the placement box 101.

[0050] The pushing surface 1004 is a vertical plane. When it is necessary to automatically place the counterweight 10 inside the storage box 114 into the inner side of the placement box 101, the first lever 106 pushes the counterweight 10 at the bottom of the storage box 114 through the pushing surface 1004.

[0051] As a further improvement to the present invention, such as Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 9 and Figure 10As shown, the eccentric load mechanism 1 includes a placement box 101 and a storage box 114. A guide shell 113 is slidably connected to the outer side of the placement box 101. The guide shell 113 has grooves on both sides that match the turntable 8, so that the guide shell 113 can be easily engaged with the turntable 8 through the bayonet on the inner side of the turntable 8. A locking screw 120 is spirally connected to the inner side of one end of the guide shell 113, and the end of the locking screw 120 is in contact with the placement box 101. After placing an appropriate amount of counterweight 10 inside the placement box 101, when it is only necessary to measure the effect of the eccentric load of the turntable 8 on the output shaft of the cam divider 5, the placement box 101 and the guide shell 113 are fixedly connected together by the locking screw 120 to prevent the placement box 101 and the counterweight 10 from shaking inside the guide shell 113 when the turntable 8 rotates, thereby improving the accuracy of the measurement.

[0052] A first spring 102 is fixedly connected to the inner side of the placement box 101. A carrying plate 103 that is slidably connected to the top of the first spring 102 is fixedly connected to the top of the placement box 101. A first placement groove 10101 is opened on the inner side of both ends of the placement box 101. The placement box 101 is fixedly connected to the longitudinal acceleration mechanism 2. The first spring 102 provides an upward pushing force to the carrying plate 103. At the same time, the carrying plate 103 is used to support the counterweight 10. When the counterweight 10 at the top of the carrying plate 103 is removed, the carrying plate 103 will push the subsequent counterweight 10 upward under the pushing force of the first spring 102, so that the counterweight 10 at the top of the carrying plate 103 moves back to the top of the placement box 101 and engages with the locking rod 111. The first placement groove 10101 is used to place the rollers 1002 on both sides of the counterweight 10, so that the counterweight 10 can be smoothly placed into the inner side of the placement box 101.

[0053] As a further improvement to the present invention, such as Figure 7 As shown, a first lever plate 106 is fixedly connected to the top of the placement box 101. A second lever plate 107 is rotatably connected to one end of the first lever plate 106. A first torsion spring 108 is provided on the outer side of the pivot of the second lever plate 107 and the first lever plate 106. A stop block 109 is fixedly connected to one end of the first lever plate 106, and the stop block 109 is located on one side of the second lever plate 107. The first torsion spring 108 provides a torque to the second lever plate 107 to rotate in the direction of the stop block 109, so that the second lever plate 107 can be vertically attached to the stop block 109.

[0054] The storage box 114 has a second placement slot 11401 at both ends. The second placement slot 11401 is used to place the rollers 1002 on both sides of the counterweight 10, so that the counterweight 10 can be smoothly placed into the inside of the storage box 114. The storage box 114 has a connecting frame 115 fixedly connected to both ends. The other end of the connecting frame 115 is fixedly connected to a support plate 116. There is a channel between the support plate 116 and the bottom of the storage box 114 for the rollers 1002 to pass through. A wedge plate 117 is fixedly connected to one end of the support plate 116. A pressure plate 118 is fixedly connected to the side end of the storage box 114. The pressure plate 118 is inclined downward. Under the guidance and limitation of the pressure plate 118, it is easy to press the counterweight 10 into the inside of the placement box 101.

[0055] A baffle 121 is rotatably connected to one end of the storage box 114. A second torsion spring 122 is provided on the outer side of the rotating shaft of the baffle 121 and the storage box 114. The second torsion spring 122 provides a torque to the baffle 121 in the direction of the roller 1002, ensuring that the second push plate 107 can smoothly push the counterweight 10 inside the placement box 101 to the inside of the storage box 114. The torque provided by the second torsion spring 122 to the baffle 121 is greater than the torque provided by the first torsion spring 108 to the second push plate 107.

[0056] When it is necessary to move the counterweight 10 inside the placement box 101 to the inside of the storage box 114, the storage box 114 is first moved vertically by the first linear motion module 105 through the connecting frame 115 and the support plate 116, along with the wedge plate 117. This causes the roller 1002 on the side of the top counterweight 10 of the placement box 101 to be vertically positioned on the side of the wedge plate 117, allowing the roller 1002 to roll along the wedge plate 117. At the same time, the top surface of the second lever 107 is positioned between the first contour line 11 and the second contour line 12, allowing the second lever 107 to push the counterweight 10 stored inside the storage box 114 to move, while the first lever 106 cannot contact the counterweight 10 inside the storage box 114.

[0057] As the turntable 8 moves towards the wedge plate 117 via the guide shell 113 and the placement box 101, the roller 1002 moves upward along the wedge plate 117. Under the guidance and limitation of the wedge plate 117, the topmost counterweight 10 of the placement box 101 overcomes the resistance from the lever 111 and moves upward along the placement box 101, the first lever 106, and the second lever 107. As the counterweight 10 continues to move upward, it also pushes the bottom counterweight 10 of the storage box 114 upward, causing the inner counterweight 10 of the storage box 114 to slide upward along the storage box 114 until the roller on the side of the counterweight 10... 1002 moves to the top of the support plate 116. At this time, only the second lever 107 is in contact with the counterweight 10. As the turntable 8 continues to rotate, the second lever 107 pushes the counterweight 10 to continue moving until the roller 1002 on the side of the counterweight 10 is in contact with the baffle 121. At this time, the counterweight 10 stops moving. At the same time, since the torque provided by the second torsion spring 122 to the baffle 121 is greater than the torque provided by the first torsion spring 108 to the second lever 107, the second lever 107 rotates clockwise and passes through the bottom of the counterweight 10. In this way, the counterweight 10 inside the placement box 101 is moved into the inside of the storage box 114.

[0058] When it is necessary to add the counterweight 10 inside the storage box 114 to the inside of the placement box 101, the storage box 114 is first moved vertically by the first linear motion module 105 through the connecting frame 115 and the support plate 116, so that the roller 1002 on the side of the counterweight 10 at the top of the placement box 101 is vertically positioned below the bottom surface of the wedge plate 117, so that the roller 1002 cannot roll along the wedge plate 117. Then, the turntable 8 moves with the counterweight 10 through the guide shell 113 and the placement box 101. The roller 1002 will pass through the bottom of the wedge plate 117 first. When the roller 1002 passes through the wedge plate 117, the first linear motion module 105 is activated again, so that the first push plate 106 is positioned between the first contour line 11 and the second contour line 12, so that the counterweight 10 can be pushed out from the bottom of the storage box 114 through the first push plate 106.

[0059] As the turntable 8 rotates, it pushes out the counterweight 10 at the bottom of the storage box 114 via the guide shell 113, the placement box 101, and the first push plate 106. Simultaneously, the first push plate 106 pushes against the resistance of the second torsion spring 122 on the baffle 121, causing the roller 1002 to pass over the baffle 121. Before the counterweight 10 falls onto the top of the placement box 101, it does not contact the pressure plate 118. When the roller 1002 passes over the support plate 11... After step 6, the counterweight 10 will fall onto the counterweight 10 on top of the placement box 101. At this time, the other end of the counterweight 10 will contact the pressure plate 118. Under the guidance of the pressure plate 118 and the push of the first lever 106, the counterweight 10 will gradually press down on the counterweight 10 inside the placement box 101, so that the counterweight 10 gradually enters the inside of the placement box 101. When the counterweight 10 completely passes the pressure plate 118, the counterweight 10 will also completely enter the inside of the placement box 101 under the guidance and pressure of the pressure plate 118.

[0060] As a further improvement to the present invention, such as Figure 8 As shown, a fixed shell 110 is fixedly connected to one end of the placement box 101. A locking rod 111 that matches the locking groove 1003 is slidably connected to the inner side of the fixed shell 110. A second spring 112 is provided on the outer side of the locking rod 111, and the two ends of the second spring 112 are fixedly connected to the fixed shell 110 and the locking rod 111 respectively. The end of the locking rod 111 is arc-shaped. Under the elastic force of the second spring 112, the locking rod 111 will engage with the counterweight 10 on the top of the placement box 101 through the locking groove 1003 to limit and fix the top counterweight 10, preventing the counterweight 10 from moving out of the top of the placement box 101 under the elastic force of the first spring 102.

[0061] As a further improvement to the present invention, such as Figure 3 and Figure 4 As shown, a connecting frame 119 is fixedly connected to one end of the storage box 114. A connecting rod 104 is engaged on the inner side of one end of the connecting frame 119. A first linear motion module 105 is fixedly connected to one end of the connecting rod 104. The first linear motion module 105 is fixedly connected to the side plate 9. When the support plate 116 and the wedge plate 117 need to move in the vertical direction, the first linear motion module 105 moves the support plate 116 and the wedge plate 117 in the vertical direction through the connecting rod 104, the connecting frame 119, the storage box 114, and the connecting frame 115.

[0062] As a further improvement to the present invention, such as Figure 13 , Figure 14 and Figure 15As shown, the longitudinal acceleration mechanism 2 includes a base plate 207 fixedly connected to the placement box 101. A third spring 208 is fixedly connected to one end of the base plate 207, and the third spring 208 is fixedly connected to the guide shell 113. The third spring 208 exerts an upward pulling force on the placement box 101 through the base plate 207, so that the counterweight 10 is gradually placed inside the placement box 101. Under the action of the gravity of the counterweight 10, the placement box 101 can move downward along the guide shell 113.

[0063] One end of the placement box 101 is rotatably connected to a guide roller 206. A base 203 is provided on the side of the guide roller 206. A first guide plate 204 and a second guide plate 205 are fixedly connected to the top of the base 203. When only testing the effect of eccentric load on the mechanical performance of the cam divider 5, the first guide plate 204 and the second guide plate 205 can be moved away from the side of the guide roller 206 under the action of the second linear motion module 201, so that the guide roller 206 will not contact the first guide plate 204 and the second guide plate 205 when it moves with the placement box 101.

[0064] As a further improvement to the present invention, such as Figure 14 As shown, both the first guide plate 204 and the second guide plate 205 are wavy, with the surface of the first guide plate 204 being curved and the surface of the second guide plate 205 being flat. When the guide roller 206 moves along the first guide plate 204, it will carry the placement box 101 and the counterweight 10 upwards with a non-zero acceleration. When the guide roller 206 moves along the second guide plate 205, it will carry the placement box 101 and the counterweight 10 upwards with a zero acceleration, thus simulating the scenario where a cylinder carries a workpiece upwards with zero or non-zero acceleration.

[0065] As a further improvement to the present invention, such as Figure 13 and Figure 14As shown, the longitudinal acceleration mechanism 2 also includes a bracket 209 fixedly connected to the side plate 9. A support leg 210 is fixedly connected to the bottom end of the bracket 209. A second linear motion module 201 is fixedly connected to the inner side of the bracket 209. One end of the slider of the second linear motion module 201 is fixedly connected to an electric push rod 202. The movable part of the electric push rod 202 is fixedly connected to the base 203. When the guide roller 206 needs to move along the first guide plate 204 or the second guide plate 205, the second linear motion module 201 first moves the first guide plate 204 or the second guide plate 205 above the guide roller 206 via the electric push rod 202 and the base 203. Then, the electric push rod 202... 02 The base 203 carries the first guide plate 204 or the second guide plate 205 to be attached to the top of the guide roller 206. After they are attached, the electric push rod 202 is then used to press the guide roller 206 down through the base 203, carrying the first guide plate 204 or the second guide plate 205. This causes the guide roller 206 to move the placement box 101 and the counterweight 10 down a certain distance, breaking the original balance between the third spring 208 and the placement box 101 and the counterweight 10. This allows the guide roller 206 to move along the first guide plate 204 or the second guide plate 205. Under the elastic force of the third spring 208, the placement box 101 and the counterweight 10 will move in the vertical direction.

[0066] The main testing methods are as follows, and examples are provided below.

[0067] 1) When testing the accuracy retention of the cam divider 5, a grating encoder is installed on the outside of the output shaft of the cam divider 5. The accuracy deviation of the repeat positioning of the cam divider 5 is tested by the grating encoder. First, the case where there is no eccentric load on the turntable 8 is tested. The guide shell 113, the placement box 101 and the counterweight 10 are removed from the turntable 8, and the cam divider 5 rotates the turntable 8 through the output shaft. The repeat positioning deviation at this time is measured. Then, the repeat positioning deviation is tested when there is an eccentric load on the turntable 8 and when the eccentric load moves upward in the vertical direction with acceleration or without acceleration. The positioning error values ​​under no-load and load conditions are compared.

[0068] 2) When testing the deformation resistance of the cam divider 5, the laser displacement sensor is aligned with the side of the turntable 8 to measure the radial runout, or aligned with the end face to measure the end face runout. At the same time, the laser displacement sensor or video extensometer and other non-contact methods are used to measure the micro-deformation at the root of the output shaft. The above methods are used to measure the elastic deformation of the output shaft of the cam divider 5 and the turntable 8 when subjected to eccentric load and when the eccentric load moves upward in the vertical direction with acceleration or without acceleration. Then, the difference in elastic deformation under no-load and load conditions can be compared by measuring the values.

[0069] Staff can flexibly select appropriate sensors to carry out corresponding measurements according to actual testing needs (for example, when measuring the temperature of the output shaft bearing housing, an infrared temperature sensor can be used); at the same time, the PLC control program and algorithm analysis system required for measurement are pre-built into the inside of the control cabinet 4. Simply connect the controller used for testing to the control cabinet 4 through the port, and various test data can be displayed intuitively on the display of the control cabinet 4.

[0070] The above are preferred embodiments of the present invention. The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are only illustrative of the principles of the present invention. Various changes and modifications can be made to the present invention without departing from the scope of protection of the present invention. All such changes and modifications fall within the scope of protection of the present invention as defined by the appended claims and their equivalents.

Claims

1. A cam divider operation detection device, comprising a frame (3) and a control cabinet (4), characterized in that: A cam divider (5) is placed at the top of the frame (3). A turntable (8) is fixedly connected to the outside of the output shaft of the cam divider (5). A longitudinal acceleration mechanism (2) is fixedly connected to one end of the frame (3). A side plate (9) is fixedly connected to one end of the longitudinal acceleration mechanism (2). An eccentric load mechanism (1) is fixedly connected to one end of the side plate (9). A counterweight (10) is placed inside the eccentric load mechanism (1). A control cabinet (4) is provided on one side of the frame (3). A support block (6) is fixedly connected to one end of the frame (3). A geared motor (7) is fixedly connected to one end of the support block (6). The geared motor (7) is detachably connected to the cam divider (5) through a coupling. The eccentric load mechanism (1) includes a placement box (101) and a storage box (114). A guide shell (113) is slidably connected to the outside of the placement box (101). A locking screw (120) is spirally connected to the inner side of one end of the guide shell (113), and the end of the locking screw (120) is in contact with the placement box (101). A first spring (102) is fixedly connected to the inner side of the placement box (101). A load plate (103) that is slidably connected to the top of the first spring (102) is fixedly connected to the top of the first spring (102). A first placement groove (10101) is opened on the inner side of both ends of the placement box (101). The placement box (101) is fixedly connected to the longitudinal acceleration mechanism (2). The longitudinal acceleration mechanism (2) includes a base plate (207) fixedly connected to the placement box (101). A third spring (208) is fixedly connected to one end of the base plate (207), and the third spring (208) is fixedly connected to the guide shell (113). A guide roller (206) is rotatably connected to one end of the placement box (101). A base (203) is provided on the side of the guide roller (206). A first guide plate (204) and a second guide plate (205) are fixedly connected to the top of the base (203).

2. The cam divider operation detection device according to claim 1, characterized in that: The counterweight (10) includes a counterweight body (1001), a roller (1002), a slot (1003) and a pushing surface (1004). The roller (1002) is rotatably connected to the counterweight body (1001), and rollers (1002) are provided on both sides of the counterweight body (1001).

3. The cam divider operation detection device according to claim 1, characterized in that: The top of the placement box (101) is fixedly connected to a first lever (106), and a second lever (107) is rotatably connected to one end of the first lever (106). A first torsion spring (108) is provided on the outer side of the pivot of the second lever (107) and the first lever (106). A stop block (109) is fixedly connected to one end of the first lever (106), and the stop block (109) is located on one side of the second lever (107).

4. The cam divider operation detection device according to claim 3, characterized in that: One end of the placement box (101) is fixedly connected to a fixed shell (110). The inner side of the fixed shell (110) is slidably connected to a locking rod (111) that is compatible with the locking slot (1003). A second spring (112) is provided on the outer side of the locking rod (111), and the two ends of the second spring (112) are fixedly connected to the fixed shell (110) and the locking rod (111) respectively.

5. The cam divider operation detection device according to claim 1, characterized in that: The storage box (114) has a second placement slot (11401) at both ends. A connecting frame (115) is fixedly connected to both ends of the storage box (114). A support plate (116) is fixedly connected to the other end of the connecting frame (115). A wedge plate (117) is fixedly connected to one end of the support plate (116). A pressure plate (118) is fixedly connected to the side end of the storage box (114). A baffle (121) is rotatably connected to one end of the storage box (114). A second torsion spring (122) is provided on the outside of the rotating shaft of the baffle (121) and the storage box (114).

6. The cam divider operation detection device according to claim 5, characterized in that: One end of the storage box (114) is fixedly connected to a connecting frame (119), and a connecting rod (104) is engaged on the inner side of one end of the connecting frame (119). One end of the connecting rod (104) is fixedly connected to a first linear motion module (105), and the first linear motion module (105) is fixedly connected to the side plate (9).

7. The cam divider operation detection device according to claim 1, characterized in that: The first guide plate (204) and the second guide plate (205) are both wavy, and the surface of the first guide plate (204) is curved, while the surface of the second guide plate (205) is flat.

8. The cam divider operation detection device according to claim 1, characterized in that: The longitudinal acceleration mechanism (2) also includes a bracket (209) fixedly connected to the side plate (9). The bottom end of the bracket (209) is fixedly connected to a support leg (210). The inner side of the bracket (209) is fixedly connected to a second linear motion module (201). One end of the slider of the second linear motion module (201) is fixedly connected to an electric push rod (202). The movable part of the electric push rod (202) is fixedly connected to the base (203).

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