Detection clamp for cam multi-journal production

Abstract

The invention relates to the field of detection clamps, in particular to a detection clamp for cam multi-journal production. Comprising a clamp body, two adapting bases, two sets of adjusting rod pieces and abutting pieces. A mounting channel is formed in the middle of the clamp body and used for mounting a cam multi-journal. The two adapting seats are respectively mounted on two sides of the clamp body; the two adjusting rod pieces are located on the two sides of the clamp body respectively and inserted into the adapter seat, the ends, away from the clamp body, of the adjusting rod pieces are elastically connected with the adapter seat, and the other ends of the adjusting rod pieces are inserted into the clamp body in a normal state. The abutting piece is installed at the end, inserted into the clamp body, of the adjusting rod piece, the abutting piece abuts against the cam surface of the cam multi-journal, and when the cam multi-journal rotates, the abutting piece can be pushed, the other end of the adjusting rod piece moves in the direction of the central axis, and therefore the adjusting rod piece can be adjusted. At the moment, a detection piece arranged on the outer side of the clamp body can detect the multiple journals of the cam according to the moving process of the adjusting rod piece.

Description

Technical Field

[0001] The present invention relates to the field of detection fixtures, in particular to a detection fixture for producing cam multiple journals. Background Art

[0002] In the field of mechanical manufacturing, cam multi-journal parts (such as engine camshafts, textile machinery main shafts, etc.) are core components of precision transmission systems. The coaxiality, cylindricity and cam profile accuracy of their journals directly affect the smooth operation and service life of the equipment.

[0003] At present, the industry generally uses three-coordinate measuring machines or split-type inspection fixtures for quality inspection, but significant technical defects are exposed in actual production: First, traditional three-coordinate inspection requires repeated clamping and positioning, and single-piece inspection takes up to 30-40 minutes, which cannot meet the timeliness requirements of modern intelligent manufacturing for online inspection; second, the split-type inspection fixture uses a combination of fixed V-blocks and micrometers, which has problems such as a single positioning reference and limited measurement dimensions. It is difficult to simultaneously detect the radial runout and phase angle deviation of multiple shaft necks, and there is a certain error in the measurement.

[0004] What is more prominent is that the existing fixture lacks an adaptive adjustment mechanism. When faced with different shaft diameter specifications and special-shaped cam structures, the positioning module needs to be replaced frequently, resulting in the inspection preparation time taking up a large part of the production cycle. Summary of the Invention

[0005] Based on this, it is necessary to provide a detection fixture for cam multi-journal production to address the above technical problems, which can not only clamp and fix the cam multi-journal, but also detect and locate its various surface structures during the rotation of the cam multi-journal, thereby streamlining operations and reducing the proportion of preparation time in the production cycle.

[0006] The present invention provides a detection fixture for producing a cam multi-journal, comprising:

[0007] The fixture body has a mounting channel in the middle for mounting the cam multi-journal;

[0008] Two adapters are respectively installed on both sides of the fixture body;

[0009] Two sets of adjustment rods are respectively located on both sides of the clamp body and inserted into the adapter seat, one end of the adjustment rod away from the clamp body is elastically connected to the adapter seat, and the other end of the adjustment rod is normally inserted into the clamp body;

[0010] The abutment is installed at one end of the adjusting rod inserted into the clamp body, and the abutment abuts against the cam surface of the cam multi-axis neck. When the cam multi-axis neck rotates, the abutment will be pushed and the other end of the adjusting rod will move along the central axis direction. At this time, the detection part arranged on the outside of the clamp body will detect the cam multi-axis neck according to the movement process of the adjusting rod.

[0011] In one embodiment, the clamp body includes a base and a top seat; the top seat and the base are opposite to each other up and down, and are connected and fixed when detachable. When the top seat and the base are connected and fixed, the connection between the two constitutes the installation channel.

[0012] In one embodiment, the base includes a fixing frame, a first end plate and a first curved plate; the two first end plates are relatively arranged in the front-to-back direction, the two fixing frames are relatively arranged in the left-to-right direction, and first inclined surfaces are provided on both sides of the upper surface of the first end plate, and the end of the first inclined surface away from the middle of the first end plate is connected to the upper surface of the fixing frame, and an arc-shaped opening is provided on the side of the fixing frame away from the first end plate, a rectangular mounting groove is provided at the bottom end of the arc-shaped opening, a through-opening is provided at the bottom end of the rectangular mounting groove, and the through-opening passes through to a side of the fixing block facing the first end plate, and the first curved plate is embedded in the middle position of the upper surface of the first end plate, and the first curved plate is arranged in a semicircular plate-shaped structure with the arc opening facing upward.

[0013] In one embodiment, the top seat includes a cover plate, a second end plate and a second curved plate; the two second end plates are relatively arranged in the front-to-back direction, the two cover plates are relatively arranged in the left-to-right direction, and second inclined surfaces are provided on both sides of the bottom surface of the second end plate. The end of the second inclined surface away from the middle of the second end plate is connected to the bottom surface of the cover plate, and the second curved plate is embedded in the middle position of the bottom surface of the second end plate. The second curved plate is arranged in a semicircular plate-shaped structure with the arc opening facing downward.

[0014] In one embodiment, a second mounting hole is provided on the cover plate, a first mounting hole is provided on the upper surface of the fixing frame, the central axis of the first mounting hole coincides with the central axis of the second mounting hole, and a first fastener is inserted into the first mounting hole and the second mounting hole.

[0015] In one embodiment, the adapter seat includes a mounting block, which is clamped in the rectangular mounting groove, and a fourth mounting hole is provided at the end of the mounting block. A second fastener is installed in the front and rear end directions of the fixing frame, and one end of the second fastener is inserted into the fourth mounting hole. A plurality of third mounting holes are provided at the side end of the mounting block, and the plurality of third mounting holes are spaced apart along the front and rear end directions of the mounting block.

[0016] In one embodiment, the adjusting rod includes an insert rod, a fixing plate and a spring; the insert rod is inserted into the third mounting hole, the fixing plate is arranged at the end of the insert rod away from the mounting channel, the spring is sleeved on the insert rod, and the two ends of the spring respectively abut the fixing plate and the mounting block, and the other end of the insert rod is symmetrically provided with two incisions, and the incision surface is provided with a fifth mounting hole.

[0017] In one embodiment, a partition is provided in each of the third mounting holes, and the partition divides the third mounting hole into two parts. A through slot is provided in the middle of the insertion rod, and the partition is clamped in the through slot.

[0018] In one embodiment, the abutment member includes a plate-like structure, and one side of the abutment member is clamped on the incision and connected by a third fastener passing through the fifth mounting hole. The other side surface of the abutment member is set as a vertical plane, and the distance between the upper and lower ends is greater than the height between the upper and lower ends when the cam multi-journal rotates.

[0019] In one embodiment, the abutment member includes a connecting rod and a rotating wheel. The connecting rod is inserted into the fifth mounting hole. Two rotating wheels are respectively installed at both ends of the connecting rod. When the rotating wheel contacts the multi-journal surface of the cam, it will rotate and drive the insertion rod to move away from the mounting channel.

[0020] The above-mentioned cam multi-axis neck production inspection fixture, before inspecting the cam multi-axis neck, first installs the two ends of the cam multi-axis neck in the installation channel, and when the cam multi-axis neck is rotated subsequently, its basic central axis can always remain unchanged, and then the two adapters are inserted into the two sides of the fixture body and fixed, and then the two groups of adjusting rods are respectively set in the two adapters, and each group of adjusting rods includes a plurality of adjusting rods distributed at intervals. When the adjusting rods are inserted in the adapters, the abutment is set at the end of the adjusting rod facing the installation channel, which is used to abut against the multiple irregular surfaces on the cam multi-axis neck. When the cam multi-axis neck rotates When the cam multi-axis neck rotates to a certain angle, the adjusting rod will be affected by the elastic force and will be returned to its original position. During this reciprocating movement, the detection component will detect the reciprocating movement of the adjusting rod and judge whether the structure of the cam multi-axis neck is standard based on the reciprocating movement path. Therefore, the detection fixture can not only clamp and fix the cam multi-axis neck, but also detect and locate its various surface structures during the rotation of the cam multi-axis neck, thereby streamlining operations and reducing the proportion of preparation time in the production cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 A schematic diagram of the three-dimensional structure of the detection fixture provided by the present invention;

[0023] Figure 2 A schematic cross-sectional view of the detection fixture provided by the present invention;

[0024] Figure 3 A schematic diagram of the planar structure of the detection fixture provided by the present invention;

[0025] Figure 4 A schematic structural diagram of the base and top seat provided by the present invention;

[0026] Figure 5 A schematic structural diagram of the adapter provided by the present invention;

[0027] Figure 6 A schematic structural diagram of the adjusting rod provided by the present invention;

[0028] Figure 7 This is one of the specific structural schematic diagrams of the detection fixture provided by the present invention;

[0029] Figure 8 This is the second schematic diagram of the specific structure of the detection fixture provided by the present invention.

[0030] Reference numerals:

[0031] 100, base; 110, fixing bracket; 111, arc-shaped opening; 112, rectangular mounting groove; 113, through-hole; 114, first mounting hole; 120, first end plate; 121, first inclined surface; 130, first curved plate; 200, top seat; 210, cover plate; 211, second mounting hole; 220, second end plate; 221, second inclined surface; 230, second curved plate; 300, adapter seat; 31 0. Mounting block; 311. Third mounting hole; 312. Fourth mounting hole; 320. Partition; 400. Adjusting rod; 410. Insertion rod; 411. Through slot; 412. Cutout; 413. Fifth mounting hole; 420. Fixing plate; 430. Spring; 500. Abutment; 510. Connecting rod; 520. Rotating wheel; 600. Mounting channel; 700. First fastener; 800. Second fastener. DETAILED DESCRIPTION

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0033] The following combination Figures 1 to 8 The present invention describes a detection fixture for producing cam multiple journals.

[0034] like Figures 1 to 3 As shown in one embodiment, a cam multi-journal production inspection fixture includes a fixture body, two adapters 300, two sets of adjustment rods 400 and abutment members 500; a mounting channel 600 is provided in the middle of the fixture body for mounting the cam multi-journal; the two adapters 300 are mounted on both sides of the fixture body; the two sets of adjustment rods 400 are located on both sides of the fixture body and are plugged into the adapters 300, and the ends of the adjustment rods 400 away from the fixture body are connected to the adapters 300. 0, and under normal circumstances, the other end of the adjusting rod 400 is inserted into the clamp body; the abutment 500 is installed at the end of the adjusting rod 400 inserted into the clamp body, and the abutment 500 abuts against the cam surface of the cam multi-axis neck. When the cam multi-axis neck rotates, the abutment 500 will be pushed and the other end of the adjusting rod 400 will move along the central axis. At this time, the detection part arranged on the outside of the clamp body will detect the cam multi-axis neck according to the movement process of the adjusting rod 400.

[0035] The above-mentioned cam multi-journal production inspection fixture, before inspecting the cam multi-journal, first installs the two ends of the cam multi-journal in the installation channel 600, so that when the cam multi-journal is rotated subsequently, its basic central axis can always remain unchanged, and then the two adapter seats 300 are inserted on both sides of the fixture body and fixed, and then the two groups of adjusting rods 400 are respectively set in the two adapter seats 300, each group of adjusting rods 400 includes a plurality of adjustment rods 400 distributed at intervals. When the adjusting rod 400 is inserted in the adapter seat 300, the abutment 500 is set at the end of the adjusting rod 400 facing the installation channel 600, which is used to abut against the multiple irregular surfaces on the cam multi-journal. When the cam multi-axis neck rotates, the adjusting rod 400 will move along the central axis due to the abutment, and the other end of the adjusting rod 400 is elastically connected to the adapter 300. Therefore, after the cam multi-axis neck rotates a certain angle, the adjusting rod 400 will be adjusted back to its original position due to the elastic force. During this reciprocating movement, the detection part will detect the reciprocating movement of the adjusting rod 400 and judge whether the structure of the cam multi-axis neck is standard based on the reciprocating movement path. Therefore, the detection fixture can not only clamp and fix the cam multi-axis neck, but also detect and locate its various surface structures during the rotation of the cam multi-axis neck, thereby streamlining operations and reducing the proportion of preparation time in the production cycle.

[0036] It should be noted that the detection part in this embodiment can adopt any equipment or device that can perform parameterized detection of the motion trajectory of the adjustment rod 400. The parameterization here includes the moving distance and moving speed of the adjustment rod 400 in each stage. There are currently many devices that can detect the moving speed and trajectory of objects. This is not limited in this embodiment. Any device that can realize speed, trajectory or distance detection can be used.

[0037] In addition, in order to more conveniently detect the cam multi-journal, the cam multi-journal of the standard structure can be detected first, and the detection data can be saved for comparison. When there is a difference between the subsequent cam multi-journal detection data and the standard data, the difference position can be used to accurately determine the defect position of the cam multi-journal, thereby processing it more quickly.

[0038] In one embodiment, the fixture body includes a base 100 and a top seat 200 ; the top seat 200 and the base 100 are opposite to each other up and down, and are connected and fixed when detachable. When the top seat 200 and the base 100 are connected and fixed, the connection between the two forms an installation channel 600 .

[0039] Specifically, the two ends of the cam multi-journal are coaxially arranged, while the middle part has multiple coaxial or non-coaxial cam structures. Based on the above-mentioned cam multi-journal structure, it is first necessary to determine the standard position of the cam multi-journal, that is, to limit the two ends of the cam multi-journal.

[0040] When limiting, the top seat 200 is removed from the base 100 to separate the two, and the two ends of the cam multi-axis neck are placed in the appropriate position, that is, the lower half of the installation channel 600, and then the top seat 200 is snapped onto the base 100, the two are connected and fixed, and the installation channel 600 is also engaged.

[0041] like Figure 4 As shown, in one embodiment, the base 100 includes a fixing frame 110, a first end plate 120 and a first curved plate 130; the two first end plates 120 are relatively arranged in the front and rear directions, and the two fixing frames 110 are relatively arranged in the left and right directions. First inclined surfaces 121 are provided on both sides of the upper surface of the first end plate 120, and the end of the first inclined surface 121 away from the middle of the first end plate 120 is connected to the upper surface of the fixing frame 110, and an arc-shaped opening 111 is provided on the side of the fixing frame 110 away from the first end plate 120, and a rectangular mounting groove 112 is provided at the bottom end of the arc-shaped opening 111, and a through-opening 113 is provided at the bottom end of the rectangular mounting groove 112, and the through-opening 113 is passed through to the side of the fixing block facing the first end plate 120, and the first curved plate 130 is embedded in the middle position of the upper surface of the first end plate 120, and the first curved plate 130 is arranged in a semicircular plate-shaped structure with the arc opening facing upward.

[0042] Specifically, the front, back, left, and right directions in this embodiment can be based on Figure 1 In the judgment, if Figure 1 The up, down, left, and right of the detection fixture are considered as the four directions, and the front and back represent Figure 1 The up and down, left and right in Figure 1 In the left and right.

[0043] Furthermore, the first inclined surface 121 is arranged at an angle, and one end away from the middle position of the first end plate 120 is higher than the other end. This structural arrangement enables the base 100 to form a style with a sunken middle and convex sides. When the top seat 200 is placed on the base 100, the clear high and low structure makes the combination between the two more stable, which is convenient for the subsequent installation of fasteners.

[0044] In one embodiment, the top seat 200 includes a cover plate 210, a second end plate 220 and a second curved plate 230; the two second end plates 220 are relatively arranged in the front-to-back direction, and the two cover plates 210 are relatively arranged in the left-to-right direction. Second inclined surfaces 221 are provided on both sides of the bottom surface of the second end plate 220, and the end of the second inclined surface 221 away from the middle of the second end plate 220 is connected to the bottom surface of the cover plate 210. The second curved plate 230 is embedded in the middle position of the bottom surface of the second end plate 220. The second curved plate 230 is arranged in a semicircular plate structure with the arc opening facing downward.

[0045] Specifically, a second mounting hole 211 is opened on the cover plate 210, and a first mounting hole 114 is opened on the upper surface of the fixing frame 110. The central axis of the first mounting hole 114 coincides with the second mounting hole 211, and the first fastener 700 is inserted into the first mounting hole 114 and the second mounting hole 211.

[0046] like Figure 5 As shown, in one embodiment, the adapter 300 includes a mounting block 310, which is snap-fitted into the rectangular mounting groove 112. A fourth mounting hole 312 is provided at the end of the mounting block 310. A second fastener 800 is installed in the front and rear end directions of the fixing frame 110. One end of the second fastener 800 is inserted into the fourth mounting hole 312. A plurality of third mounting holes 311 are provided at the side end of the mounting block 310. The plurality of third mounting holes 311 are spaced apart along the front and rear end directions of the mounting block 310.

[0047] Specifically, in this embodiment, the width of the through-opening 113 indicates the diameter of the adjusting rod 400 that can be inserted. According to the different sizes of the cam multi-journals, it may be necessary to select adjusting rods 400 of different specifications, and the adapter seat 300 is provided to fit the adjusting rod 400 tightly. Therefore, when it is necessary to replace the adjusting rod 400 of different specifications, the adapter seat 300 of the same batch as the adjusting rod 400 also needs to be replaced.

[0048] like Figures 6 to 8 As shown, in one embodiment, the adjusting rod 400 includes an insert rod 410, a fixing plate 420 and a spring 430; the insert rod 410 is inserted into the third mounting hole 311, the fixing plate 420 is arranged at the end of the insert rod 410 away from the mounting channel 600, the spring 430 is sleeved on the insert rod 410, and the two ends of the spring 430 respectively abut the fixing plate 420 and the mounting block 310, and the other end of the insert rod 410 is symmetrically provided with two notches 412, and the surface of the notch 412 is provided with a fifth mounting hole 413.

[0049] Specifically, a partition 320 is provided in each third mounting hole 311 , and the partition 320 divides the third mounting hole 311 into two parts. A through slot 411 is provided in the middle of the insertion rod 410 , and the partition 320 is snapped into the through slot 411 .

[0050] In one embodiment, the abutment 500 includes a plate-like structure, and one side of the abutment 500 is clamped on the cutout 412 and connected by a third fastener passing through the fifth mounting hole 413. The other side surface of the abutment 500 is set as a vertical plane, and the distance between the upper and lower ends is greater than the height between the upper and lower ends when the cam multi-journal rotates.

[0051] Specifically, when the abutment member 500 is a plate-shaped structure, it is necessary to ensure that no matter how the cam multi-journal rotates, the abutment portion thereof with the abutment member 500 will not exceed the vertical plate-shaped surface of the abutment plate.

[0052] In one embodiment, the abutment member 500 includes a connecting rod 510 and a rotating wheel 520. The connecting rod 510 is inserted into the fifth mounting hole 413. Two rotating wheels 520 are respectively installed at both ends of the connecting rod 510. When the rotating wheel 520 contacts the multi-journal surface of the cam, it will rotate and drive the insertion rod 410 to move away from the mounting channel 600.

[0053] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0054] The above-described embodiments merely illustrate several embodiments of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A cam multi-journal production inspection fixture, characterized in that: include: The fixture body has a mounting channel in the middle for mounting the cam multi-journal; Two adapters are respectively installed on both sides of the fixture body; Two sets of adjustment rods are respectively located on both sides of the clamp body and inserted into the adapter seat, one end of the adjustment rod away from the clamp body is elastically connected to the adapter seat, and the other end of the adjustment rod is normally inserted into the clamp body; The abutment is installed at one end of the adjusting rod inserted into the clamp body, and the abutment abuts against the cam surface of the cam multi-axis neck. When the cam multi-axis neck rotates, the abutment will be pushed and the other end of the adjusting rod will move along the central axis direction. At this time, the detection part arranged on the outside of the clamp body will detect the cam multi-axis neck according to the movement process of the adjusting rod.

2. The cam multi-journal production inspection fixture according to claim 1, characterized in that: The clamp body includes a base and a top seat; the top seat and the base are opposite to each other up and down, and are connected and fixed when detachable. When the top seat and the base are connected and fixed, the connection between the two constitutes the installation channel.

3. The cam multi-journal production inspection fixture according to claim 2, characterized in that: The base includes a fixing frame, a first end plate and a first curved plate; the two first end plates are relatively arranged in the front and rear directions, and the two fixing frames are relatively arranged in the left and right directions, and first inclined surfaces are provided on both sides of the upper surface of the first end plate, and the end of the first inclined surface away from the middle of the first end plate is connected to the upper surface of the fixing frame, and an arc-shaped opening is provided on the side of the fixing frame away from the first end plate, and a rectangular mounting groove is provided at the bottom end of the rectangular mounting groove. A through-opening is provided, and the through-opening passes through to a side of the fixing block facing the first end plate, and the first curved plate is embedded in the middle position of the upper surface of the first end plate, and the first curved plate is arranged in a semicircular plate-shaped structure with the arc opening facing upward.

4. The cam multi-journal production inspection fixture according to claim 3, characterized in that: The top seat includes a cover plate, a second end plate and a second curved plate; the two second end plates are relatively arranged in the front-to-back direction, the two cover plates are relatively arranged in the left-to-right direction, and second inclined surfaces are provided on both sides of the bottom surface of the second end plate, and the end of the second inclined surface away from the middle of the second end plate is connected to the bottom surface of the cover plate, and the second curved plate is embedded in the middle position of the bottom surface of the second end plate. The second curved plate is arranged in a semicircular plate structure with the arc opening facing downward.

5. The cam multi-journal production inspection fixture according to claim 4, characterized in that: A second mounting hole is formed on the cover plate, a first mounting hole is formed on the upper surface of the fixing frame, the central axis of the first mounting hole coincides with the central axis of the second mounting hole, and first fasteners are inserted into the first mounting hole and the second mounting hole.

6. The inspection fixture for producing cam multi-journals according to claim 5, characterized in that: The adapter seat includes a mounting block, which is clamped in the rectangular mounting groove. A fourth mounting hole is provided at the end of the mounting block. A second fastener is installed in the front and rear end directions of the fixing frame. One end of the second fastener is inserted into the fourth mounting hole. A plurality of third mounting holes are provided at the side end of the mounting block. The plurality of third mounting holes are spaced apart along the front and rear end directions of the mounting block.

7. The inspection fixture for producing cam multi-journals according to claim 6, characterized in that: The adjusting rod includes an insert rod, a fixing plate and a spring; the insert rod is inserted into the third mounting hole, the fixing plate is arranged at one end of the insert rod away from the mounting channel, the spring is sleeved on the insert rod, and the two ends of the spring respectively abut the fixing plate and the mounting block, and the other end of the insert rod is symmetrically provided with two incisions, and the incision surface is provided with a fifth mounting hole.

8. The inspection fixture for producing cam multi-journals according to claim 7, characterized in that: A partition is provided in each of the third mounting holes, and the partition divides the third mounting hole into two parts. A through slot is provided in the middle of the insertion rod, and the partition is clamped in the through slot.

9. The inspection fixture for producing cam multi-journals according to claim 8, characterized in that: The abutment includes a plate-like structure, and one side of the abutment is clamped on the incision and connected by a third fastener passing through the fifth mounting hole. The other side surface of the abutment is set as a vertical plane, and the distance between the upper and lower ends is greater than the height between the upper and lower ends of the cam multi-journal when it rotates.

10. The inspection fixture for producing cam multi-journals according to claim 8, characterized in that: The abutment member includes a connecting rod and a rotating wheel. The connecting rod is inserted into the fifth mounting hole. Two rotating wheels are respectively installed at both ends of the connecting rod. When the rotating wheel contacts the multi-journal surface of the cam, it will rotate and drive the insertion rod to move away from the mounting channel.

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