Cam track testboard

Abstract

The utility model discloses a cam track testboard, comprising a cam and a worm gear, and also comprising a two-shaft sliding table used for driving the worm gear to move along the X and Y directions; the Z-axis sliding table is used for driving the cam to move up and down in the Z direction; the worm gear and the cam are fixedly and rotatably connected with the two-axis sliding table and the Z-axis sliding table through the mounting assembly respectively; wherein the rotating shaft of the cam faces the Y direction, the rotating shaft of the worm wheel faces the Z direction, the two-axis sliding table and the Z-axis sliding table are arranged, position data of the worm wheel and the cam are tested before the worm wheel and the cam are installed, and transmission between the worm wheel and the cam is made smooth by adjusting the Z-axis position of the cam. And then the worm gear and the cam are driven to the site for installation, so that the installation position is accurate, the jamming phenomenon is avoided, the service life of parts is prolonged, and abrasion is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tobacco production technical field, especially relate to a cam trajectory test board. BACKGROUND

[0002] In the process of tobacco production, part tobacco production machine contains a transmission structure, cam and worm, its transmission mode is similar to worm gear, mainly through the worm rotation mode, to drive the cam to rotate.

[0003] In actual machine installation process, the position degree precision requirement of cam and worm is higher, if the position relation between cam and worm is slightly deviated, transmission effect is not good, even can appear the situation of jam, influence equipment operation. However, the installation process of existing cam assembly is to install cam and worm to corresponding equipment and then carry out position adjustment, this mode has following disadvantages in order to adjust cam precision, need to adjust the position of entire equipment assembly, adjustment difficulty is big and time -consuming especially for the condition of narrow operation space, the adjustment of cam precision is particularly complex. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides a cam trajectory test board, test the installation position of processed cam through the test board, obtain installation parameter, then install cam equipment according to the parameter, reduce the blindness of installation.

[0005] A cam trajectory test board, including cam and worm, further including:

[0006] Two shaft sliding tables are used to drive worm to move along X, Y direction;

[0007] Z axis sliding table is used to drive cam to move up and down along Z direction;

[0008] Installation assembly, the worm and cam are respectively fixedly connected with two shaft sliding tables and Z axis sliding table through installation assembly;

[0009] Wherein, the rotation axis of cam faces Y direction, and the rotation axis of worm faces Z direction.

[0010] Further, the installation assembly includes:

[0011] Installation block, the sliding block of two shaft sliding tables and Z axis sliding table is fixedly provided with installation block;

[0012] Rotary column, the rotary column is fixedly rotatably arranged on installation block, and the both ends of rotary column extend on both sides of installation block;

[0013] Tapered stick, one end of rotary column is provided with tapered stick;

[0014] an expansion sleeve, sleeved on the taper rod, and the cam or the worm sleeve is sleeved on the expansion sleeve;

[0015] an expansion assembly for driving the expansion sleeve to expand the inner ring of the cam or the worm;

[0016] a driving assembly for driving the worm to rotate.

[0017] Further, the expansion assembly comprises:

[0018] a threaded column fixedly arranged at the other end of the taper rod;

[0019] a nut screwedly arranged on the threaded column;

[0020] Wherein, the nut is in abutment with the end surface of the taper rod, and when the nut drives the expansion sleeve to move towards the rotating column, the expansion sleeve will expand radially due to the cooperation with the taper rod.

[0021] Further, it further comprises:

[0022] a gasket sleeved on the threaded column;

[0023] Wherein, the gasket is located between the nut and the taper rod.

[0024] Further, the driving assembly comprises:

[0025] a hand turning plate fixedly arranged at the other end of the rotating column;

[0026] Wherein, the hand turning plate is fixedly connected with the rotating column of the mounting block of the two-axis sliding table.

[0027] Further, it further comprises:

[0028] a workbench for lifting the height of the two-axis sliding table and the Z-axis sliding table;

[0029] Wherein, the two-axis sliding table and the Z-axis sliding table are fixedly arranged on the workbench.

[0030] Further, the two-axis sliding table and the Z-axis sliding table are both manual sliding tables, and the two-axis sliding table and the Z-axis sliding table are both provided with scales.

[0031] Further, the two-axis sliding table and the Z-axis sliding table are both provided with position sensors inside.

[0032] The utility model has the advantages of:

[0033] 1. By setting two-axis sliding table and Z-axis sliding table, the position data of the worm gear and the cam is tested before the worm gear and the cam is installed, the transmission between the worm gear and the cam is smooth by adjusting the Z-axis position of the cam, then the worm gear and the cam are installed on site, so that the installation position is accurate, the jamming phenomenon does not occur, the service life of the parts is prolonged, and the wear is reduced.

[0034] 2. By setting the installation mode of the taper rod and the expansion sleeve, the effect of non-destructive fixing is achieved, the surface of the worm gear or the cam is avoided to be damaged, deformation or stress concentration is avoided, and very high clamping force can be achieved, so that the worm gear or the cam has very high stability with the expansion sleeve, the taper rod and the rotating column, accurate positioning and stability in the test process are ensured, and possible displacement or looseness is reduced.

[0035] 3. By setting the threaded column and the nut, the expansion sleeve is expanded conveniently, and since the nut can be smaller than the inner ring of the cam or the worm gear, when the cam or the worm gear needs to be taken out, the nut is loosened, the expansion sleeve is expanded, and then the cam or the worm gear is directly taken out, so that the cam or the worm gear is not interfered in the taking-out or installation process.

[0036] 4. By setting the gasket, the nut is prevented from abrading the expansion sleeve, and the pressure can be uniformly distributed on the expansion sleeve, so that the stability is improved.

[0037] 5. By setting the hand wheel, when testing, the hand wheel is rotated, the rotating column of the mounting block of the two-axis sliding table is rotated, the worm gear is rotated through the taper rod and the expansion sleeve, the testing is facilitated, the worm gear is rotated with less labor, and the parts are prevented from being scratched or contaminated by edges.

[0038] 6. By setting the workbench, the overall height is raised, the ergonomics is more in line with, and the overall use is more comfortable.

[0039] 7. By setting the scale, the position of the sliding block is read, so that the position of the worm gear or the cam is obtained, and the position data is more intuitive.

[0040] 8. By setting the position sensor, the position data of the worm gear or the cam is more accurate by displaying the position data on the computer or other terminal. DETAILED DESCRIPTION

[0041] ATTACHMENT Figure 1 is the structure diagram of the utility model;

[0042] ATTACHMENT Figure 2 is the front view of the utility model;

[0043] ATTACHMENTFigure 3 is a top view of the utility model;

[0044] attached Figure 4 is a structure view of the mounting block on the two-axis sliding table;

[0045] attached Figure 5 is a separated schematic view of the mounting block on the two-axis sliding table;

[0046] Reference signs: 1. cam, 2. worm gear, 3. two-axis sliding table, 4. Z-axis sliding table, 5. mounting block, 6. rotating column, 7. expansion sleeve, 8. taper rod, 9. threaded column, 10. nut, 11. gasket, 12. hand wheel, 13. workbench. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application. In the description of the present application, it should be noted that the terms used herein are only used to describe the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. In order to facilitate the description, the sizes of the parts shown in the drawings are not drawn in accordance with the actual proportional relationship. The known technologies, methods and devices of the related art may not be discussed in detail, but should be regarded as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of the exemplary embodiments can have different values, and it should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings. Embodiment 1

[0048] The embodiment provides a cam track test bench, which comprises a cam 1 and a worm gear 2, and further comprises:

[0049] A two-axis sliding table 3 is used to drive the worm gear 2 to move in X and Y directions;

[0050] A Z-axis sliding table 4 is used to drive the cam 1 to move up and down in the Z direction;

[0051] A mounting assembly is used to fixedly and rotatably connect the worm gear 2 and the cam 1 with the two-axis sliding table 3 and the Z-axis sliding table 4 respectively;

[0052] The rotation axis of the cam 1 is towards the Y direction, and the rotation axis of the worm gear 2 is towards the Z direction.

[0053] In the technical solution, the two-axis sliding table 3 and the three-axis sliding table are manual sliding tables, and manual setting is used to avoid collision and poor control during debugging, and manual control does not cause too much impact force, thereby better protecting the cam 1 and the worm gear 2.

[0054] When the positions of the cam 1 and the worm gear 2 need to be tested, the cam 1 and the worm gear 2 are respectively fixed and arranged in rotation on the sliding block of the Z-axis sliding table 4 and the two-axis sliding table 3 through the mounting assembly.

[0055] At this time, the rotation axis of the cam 1 is towards the Y direction, and the rotation axis of the worm gear 2 is towards the Z direction.

[0056] When the two-axis sliding table 3 is used, the Z position of the worm gear 2 is fixed, and at this time, the X-axis and Y-axis positions of the cam 1 can be adjusted through the two-axis sliding table 3.

[0057] When the Z-axis sliding table 4 is used, the X and Y positions of the cam 1 are fixed, and at this time, the Z-axis position of the cam 1 can be adjusted through the Z-axis sliding table 4.

[0058] In the case that the Z-axis position of the worm gear 2 and the X-axis and Y-axis positions of the cam 1 are fixed, the X-axis and Y-axis positions of the worm gear 2 are adjusted, and the Z-axis position of the cam 1 is adjusted to make the transmission between the worm gear 2 and the cam 1 smooth, so that after the worm gear 2 is manually rotated for several turns, the cam 1 can be smoothly driven to rotate without jamming.

[0059] After debugging is completed, the position data of the worm gear 2 and the cam 1 are recorded, and then the worm gear 2 and the cam 1 are taken to the site for installation. It needs to be noted that each worm gear 2 and the cam 1 tested together form a component, and each component needs to be tested for transmission before installation to obtain the optimal transmission position data of each component. The transmission position data is only effective for the component that is tested together.

[0060] Through the structure design, the two-axis sliding table 3 and the Z-axis sliding table 4 are arranged, the position data of the worm gear 2 and the cam 1 is tested before installation, the Z-axis position of the cam 1 is adjusted to make the transmission between the worm gear 2 and the cam 1 smooth, and then the worm gear 2 and the cam 1 are taken to the site for installation, so that the installation position is accurate, the jamming phenomenon does not occur, the service life of the components is prolonged, and the wear is reduced. Embodiment 2

[0061] The embodiment provides a cam track test bench, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0062] Further, the mounting assembly comprises:

[0063] A mounting block 5 is fixedly arranged on the sliding block of the two-axis sliding table 3 and the Z-axis sliding table 4.

[0064] A rotating column 6 is fixedly arranged on the mounting block 5, and the two ends of the rotating column 6 extend out of the two sides of the mounting block 5.

[0065] A tapered rod 8 is arranged at one end of the rotating column 6.

[0066] A sleeve 7 is sleeved on the tapered rod 8, and the cam 1 or the worm gear 2 is sleeved on the sleeve 7.

[0067] A expansion assembly is arranged to drive the sleeve 7 to expand the inner ring of the cam 1 or the worm gear 2.

[0068] A driving assembly is arranged to drive the worm gear 2 to rotate.

[0069] In the technical solution, when the worm gear 2 or the cam 1 needs to be mounted on the rotating column 6, the sleeve 7 is sleeved on the tapered rod 8, and then the cam 1 or the worm gear 2 is sleeved on the sleeve 7. The sleeve 7 is driven by the expansion assembly to expand the inner ring of the cam 1 or the worm gear 2, so as to fix the cam 1 or the worm gear 2.

[0070] It should be noted that the tapered rod 8, the sleeve 7 and the rotating column 6 are coaxial to ensure accuracy. Similarly, the cam 1 or the worm gear 2 is provided with a hole for sleeving the sleeve 7, and the axis of the hole is coaxial with the axis of the cam 1 or the worm gear 2.

[0071] Through the structure design, the mounting mode of the tapered rod 8 and the sleeve 7 is arranged, which has the effect of non-destructive fixing, avoids damaging the surface of the worm gear 2 or the cam 1, avoids deformation or stress concentration, and can realize very high clamping force, so as to ensure that the cam 1 or the worm gear 2 has very high stability with the sleeve 7, the tapered rod 8 and the rotating column 6, ensures accurate positioning and stability during testing, and reduces possible displacement or looseness.

[0072] At the same time, since the contact area between the sleeve 7 and the worm gear 2 or the cam 1 is large, vibration will not occur, so that the test effect is good. Embodiment 3

[0073] The embodiment provides a cam trajectory test bench, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0074] Further, the expansion assembly comprises:

[0075] A threaded column 9 is fixedly arranged at the other end of the tapered rod 8.

[0076] A nut 10 is screwed on the threaded column 9;

[0077] Wherein, the nut 10 is in contact with the end surface of the taper rod 8, when the nut 10 drives the expansion sleeve 7 to move towards the rotating column 6, the expansion sleeve 7 will be radially expanded due to the cooperation with the taper rod 8.

[0078] In this technical solution, when the expansion sleeve 7 needs to be driven to expand, the nut 10 is only needed to be screwed to move the nut 10 on the threaded column 9 towards the taper rod 8, so that the nut 10 is in contact with the expansion sleeve 7 and pushes the expansion sleeve 7 to move on the taper rod 8, so that the taper rod 8 radially expands the expansion sleeve 7, thereby fixing the cam 1 or the worm gear 2 on the expansion sleeve 7.

[0079] It should be noted that the nut 10 can be smaller than the inner ring of the cam 1 or the worm gear 2.

[0080] Through the structural design, the threaded column 9 and the nut 10 are arranged, which facilitates the expansion of the expansion sleeve 7, and since the nut 10 can be smaller than the inner ring of the cam 1 or the worm gear 2, when the cam 1 or the worm gear 2 needs to be taken out, the nut 10 is only needed to be loosened to contact the expansion of the expansion sleeve 7, so that the cam 1 or the worm gear 2 can be directly taken out, so that the cam 1 or the worm gear 2 will not interfere with the taking-out or installation process. Embodiment 4

[0081] The embodiment provides a cam track test bench, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0082] Further, it further comprises:

[0083] A gasket 11 is sleeved on the threaded column 9;

[0084] Wherein, the gasket 11 is located between the nut 10 and the taper rod 8.

[0085] Through the structural design, the gasket 11 is arranged, which avoids the abrasion of the nut 10 to the expansion sleeve 7, and can uniformly distribute the pressure on the expansion sleeve 7, thereby improving the stability. Embodiment 5

[0086] The embodiment provides a cam track test bench, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0087] Further, the driving assembly comprises:

[0088] A hand wheel 12 is fixedly arranged at the other end of the rotating column 6;

[0089] The hand wheel 12 is fixedly connected with the rotating column 6 of the mounting block 5 of the two-axis sliding table 3.

[0090] Through the structure design, the hand wheel 12 is arranged, in the test, the hand wheel 12 is rotated, the rotating column 6 of the mounting block 5 of the two-axis sliding table 3 is driven to rotate, the taper rod 8 and the expansion sleeve 7 drive the worm wheel 2 to rotate, the test is facilitated, the worm wheel 2 is rotated, the labor is saved, and the parts are prevented from being scratched or contaminated by directly touching the parts. Embodiment 6

[0091] The embodiment provides a cam track test bench, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features.

[0092] Further, it further comprises:

[0093] The workbench 13 is used for lifting the height of the two-axis sliding table 3 and the Z-axis sliding table 4.

[0094] The two-axis sliding table 3 and the Z-axis sliding table 4 are fixedly arranged on the workbench 13.

[0095] Through the structure design, the workbench 13 is arranged, the overall height is lifted, the ergonomics is more in line with, and the overall use is more comfortable. Embodiment 7

[0096] The embodiment provides a cam track test bench, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features.

[0097] Further, the two-axis sliding table 3 and the Z-axis sliding table 4 are manual sliding tables, and the two-axis sliding table 3 and the Z-axis sliding table 4 are provided with scales (not shown in the figure).

[0098] Through the structure design, the scale is arranged, the position of the sliding block is read, the position of the worm wheel 2 or the cam 1 is obtained, and the position data is more intuitive. Embodiment 8

[0099] The embodiment provides a cam track test bench, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features.

[0100] Further, the two-axis sliding table 3 and the Z-axis sliding table 4 are provided with position sensors (not shown in the figure) inside.

[0101] In the technical scheme, the position sensor is a commercially available product and is not improved, so it is not described in detail. Since the position sensor is arranged, the position of the sliding block can be known through the position sensor, and the position data can be displayed on the computer or other terminal.

[0102] Through the structural design, the position sensor is arranged, the position data can be displayed on the computer or other terminal, so that the position data of the worm wheel 2 or the cam 1 is more accurate.

[0103] The embodiments of the application are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other without conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative but not restrictive, the ordinary skilled in the art can make many forms without departing from the purpose of the application and the scope protected by the claims under the inspiration of the application, all of which belong to the protection of the application.

Claims

1. A cam profile testing machine comprising a cam (1) and a worm wheel (2), characterized in that, Also include: Two-axis slide (3) for driving worm gear (2) along the X, Y direction movement; Z-axis slide (4) for driving cam (1) up and down along the Z direction movement; Mounting assembly, the worm gear (2) and cam (1) through mounting assembly is respectively fixed with two-axis slide (3) and Z-axis slide (4) rotating connection; Wherein, the rotation axis of the cam (1) towards Y direction, the rotation axis of the worm gear (2) towards Z direction.

2. A cam profile testing machine according to claim 1, wherein The mounting assembly includes: Mounting block (5), the slide of the two-axis slide (3) and Z-axis slide (4) is fixedly provided with mounting block (5); Rotary column (6), it is fixedly arranged on the mounting block (5), both ends of the rotary column (6) extend from both sides of the mounting block (5); Tapered rod (8), one end of the rotary column (6) has tapered rod (8); Expansion sleeve (7), it is sleeved on the tapered rod (8), the cam (1) or worm gear (2) is sleeved on the expansion sleeve (7); Expansion assembly, it is used for driving expansion sleeve (7) to the inner ring of cam (1) or worm gear (2) expansion; Drive assembly, it is used for driving worm gear (2) to rotate.

3. A cam profile testing machine according to claim 2, wherein, The expansion assembly includes: Threaded column (9), it is fixedly arranged on the other end of the tapered rod (8); Nut (10), it is spirally arranged on the threaded column (9); Wherein, the nut (10) and the end face of the tapered rod (8) are in contact, when the nut (10) drives the expansion sleeve (7) to move towards the rotary column (6), the expansion sleeve (7) will be radially expanded due to the cooperation with the tapered rod (8).

4. A cam profile testing machine according to claim 3, wherein Also include: Gasket (11), it is sleeved on the threaded column (9); Wherein, the gasket (11) is located between the nut (10) and the tapered rod (8).

5. A cam profile testing machine according to claim 4, wherein, The drive assembly includes: Hand crank (12), it is fixedly arranged on the other end of the rotary column (6); Wherein, the hand crank (12) and the rotary column (6) of the mounting block (5) of the two-axis slide (3) are fixedly connected.

6. A cam profile testing machine according to claim 5, wherein, Also include: Workbench (13), it is used for lifting the height of two-axis slide (3) and Z-axis slide (4); Wherein, the two-axis slide (3) and Z-axis slide (4) are fixedly arranged on the workbench (13).

7. A cam profile testing machine according to any one of claims 1 to 6, wherein: The two-axis slide (3) and Z-axis slide (4) are both manual slide, the two-axis slide (3) and Z-axis slide (4) are both provided with scale.

8. A cam profile testing machine according to any one of claims 1 to 6, wherein: The two-axis slide (3) and Z-axis slide (4) are both provided with position sensor.

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