Mechanical mechanism zero position adjustment tool

Abstract

The application discloses a mechanical mechanism zero position adjustment tool, and relates to the technical field of zero position adjustment tools, comprising a base, a sliding block, a cushion block for providing auxiliary support for a mechanical mechanism, a first variable-diameter pin shaft, a second variable-diameter pin shaft, at least one adjustable cushion block for keeping the mechanical mechanism in a horizontal state and a vernier caliper; wherein the base is provided with a guide rail and a mounting block, and the left end of the guide rail is connected with the right end of the mounting block. The application can meet the pin shaft hole requirements of different specifications of mechanical mechanisms by adjusting the diameters of the first variable-diameter pin shaft and the second variable-diameter pin shaft, meet the zero position length requirements of different mechanical mechanisms by changing the position of the sliding block, and keep the mechanical mechanism in a horizontal and stable state during measurement by adjusting the height of the adjustable cushion block.

Description

Technical Field

[0001] This application relates to the field of zero-position adjustment tooling technology, and in particular to a zero-position adjustment tooling for a mechanical mechanism. Background Technology

[0002] like Figure 1 and Figure 2 As shown, the utility model disclosed in the authorization announcement number CN222373122U, entitled "A Servo Actuator Zero Position Adjustment Fixture", includes: a guide rail 210, multiple sliders 220, multiple sets of measuring pins 230, and a vernier caliper 240; the upper surface of the guide rail 210 has a downwardly recessed groove, each slider 220 is located in the groove and slides along the extension direction of the groove; each set of measuring pins 230 has two identical pin shafts 231, the lower end of one pin shaft 231 is fixed to the upper surface of one slider 220, the upper end of each pin shaft 231 extends vertically upward, and the two pin shafts 231 of each set of measuring pins 230 are used to clamp the two ends of the servo actuator of the rocket; one end of the vernier caliper 240 is fixed to the outer side of one pin shaft 231 of the set of measuring pins 230, and the other end of the vernier caliper 240 is clamped to the outer side of the other pin shaft 231 of the set of measuring pins 230. Each set of measuring pins 230 also has two identical mounting rings 232. The pin shaft 231 passes through the pin hole of the mounting ring 232 and is fixedly connected to the mounting ring 232 so that the lower end of the pin shaft 231 can be screwed into the threaded hole 221 of the slider 220.

[0003] It is known that the current application range of this servo actuator zero-position adjustment fixture is relatively small. It is only suitable for servo mechanisms where the servo drive motor is located near the axis of the mechanism. If the servo drive motor is a certain distance away from the axis of the mechanism, it will cause a risk of tipping over during use. Secondly, the fixture only has three specifications for the pin holes. The pin holes of the servo mechanism must meet these specifications. If they do not meet the specifications, the measurement values ​​will exceed the error range. Utility Model Content

[0004] The purpose of this application is to provide a zero-position adjustment fixture for a mechanical mechanism, which can meet the pin hole requirements of different specifications of mechanical mechanisms by adjusting the diameter of the first variable diameter pin and the second variable diameter pin, meet the zero-position length requirements of different mechanical mechanisms by changing the position of the slider, and ensure that the mechanical mechanism remains horizontal and stable during measurement by adjusting the height of the adjustable pad.

[0005] To achieve the above objectives, this application provides a zero-position adjustment fixture for a mechanical mechanism, comprising: a base, a slider, a pad for providing auxiliary support to the mechanical mechanism, a first variable-diameter pin, a second variable-diameter pin, at least one adjustable pad for keeping the mechanical mechanism in a horizontal state, and a vernier caliper; wherein, a guide rail and a mounting block are provided on the base, the left end of the guide rail is connected to the right end of the mounting block; the height of the guide rail is equal to the height of the mounting block; the upper surface of the guide rail has a downwardly recessed groove, the slider is located in the groove, and the slider slides along the extension direction of the guide rail within the groove; the pad is located in the groove, and the pad is located on the mounting block. Between the mounting block and the slider, the pad slides within the groove along the extension direction of the guide rail; the lower end of the first variable diameter pin is connected to the mounting block, and the upper end of the first variable diameter pin extends vertically upward; the lower end of the second variable diameter pin is connected to the slider, and the upper end of the second variable diameter pin extends vertically upward; in use, one end of the mechanical mechanism is engaged with the first variable diameter pin, and the other end of the mechanical mechanism is engaged with the second variable diameter pin; the adjustable pad is set on the base and located on one side of the guide rail; one end of the vernier caliper is fixed to the outer side of the first variable diameter pin, and the other end of the vernier caliper is engaged with the outer side of the second variable diameter pin.

[0006] As shown above, a locking positioning groove is provided on the guide rail along the extension direction of the guide rail; the locking bolt locks the pad and / or slider through the locking positioning groove.

[0007] As described above, the guide rail includes: a first side plate, a second side plate, a third side plate, and a fourth side plate; wherein, the lower end of the first side plate is connected to the upper surface of the base, and the left end of the first side plate is connected to the right end of the mounting block; the lower end of the second side plate is connected to the upper surface of the base, and the left end of the second side plate is connected to the right end of the mounting block; there is a first gap between the first side plate and the second side plate; the front end of the third side plate is connected to the upper end of the first side plate, and the left end of the third side plate is connected to the right end of the mounting block; a locking positioning groove is located on the third side plate; the rear end of the fourth side plate is connected to the upper end of the second side plate, and the left end of the fourth side plate is connected to the right end of the mounting block; there is a second gap between the rear end of the third side plate and the front end of the fourth side plate, the second gap being smaller than the first gap; the base plate, the first side plate, the second side plate, the third side plate, and the fourth side plate, when connected, form a downwardly recessed groove.

[0008] As described above, the slider includes an upper slider and a lower slider. The lower end of the upper slider is connected to the upper end of the lower slider. After connection, the sum of the heights of the upper slider and the lower slider is equal to the height of the mounting block. The diameter of the upper slider is less than the second interval distance, the diameter of the lower slider is less than the first interval distance, and the diameter of the lower slider is greater than the second interval distance. The lower slider is located in the groove, and the upper slider is located between the rear end of the third side plate and the front end of the fourth side plate. The lower end of the second variable diameter pin is connected to the upper end of the upper slider.

[0009] As shown above, the upper slider is provided with a second mounting hole, and the lower end of the second variable diameter pin is connected to the upper slider through the second mounting hole.

[0010] As described above, the pad includes an upper pad and a lower pad. The lower end of the upper pad is connected to the upper end of the lower pad. After connection, the sum of the height of the upper pad and the height of the lower pad is equal to the height of the mounting block. The diameter of the upper pad is less than the second interval distance, the diameter of the lower pad is less than the first interval distance, and the diameter of the lower pad is greater than the second interval distance. The lower pad is located in the groove, and the upper pad is located between the rear end of the third side plate and the front end of the fourth side plate.

[0011] As shown above, the mounting block is provided with a first mounting hole, and the lower end of the first variable diameter pin is connected to the mounting block through the first mounting hole.

[0012] As shown above, the base is made of aerospace aluminum alloy or stainless steel.

[0013] As shown above, the material of the pad is aerospace aluminum alloy or stainless steel.

[0014] As shown above, the slider is made of aerospace aluminum alloy or stainless steel.

[0015] The beneficial effects achieved by this application are as follows:

[0016] (1) The zero-position adjustment fixture of the mechanical mechanism of this application can meet the pin hole requirements of different specifications of mechanical mechanisms by adjusting the diameter of the first variable diameter pin and the second variable diameter pin, meet the zero-position length requirements of different mechanical mechanisms by changing the position of the slider, and ensure that the mechanical mechanism remains horizontal and stable during measurement by adjusting the height of the adjustable pad.

[0017] (2) The zero-position adjustment fixture of the mechanical mechanism of this application can quickly and accurately complete the zero-position adjustment, reduce equipment downtime and debugging time, avoid repeated adjustments and production failures caused by inaccurate zero position, and improve the continuity and stability of production. For example, in a food packaging production line, the zero-position adjustment fixture of the mechanical mechanism of this application can shorten the debugging time of the packaging machine from several hours to tens of minutes.

[0018] (3) The zero-position adjustment fixture of the mechanical mechanism in this application can ensure that the mechanical mechanism is in the best working state at the initial zero position, which improves the product processing accuracy and consistency, reduces product defects and scrap rate caused by zero position deviation, and reduces production costs. For example, in a machining center, accurate zero position adjustment can ensure that the dimensional accuracy and geometric tolerances of the parts meet the requirements.

[0019] (4) The zero-position adjustment fixture of the mechanical mechanism of this application can reduce the additional wear and stress concentration of mechanical parts caused by inaccurate zero position, reduce the failure rate and maintenance cost of the equipment, and enable the equipment to always be in good operating condition, thereby improving the reliability and durability of the equipment.

[0020] (5) The zero-position adjustment fixture of the mechanical mechanism of this application can simplify the zero-position adjustment operation process, reduce the skill level requirements of the operator, reduce the risk of the operator coming into contact with dangerous parts during the adjustment process, and improve work safety. For example, in automated equipment, workers only need to follow the prompts on the zero-position adjustment fixture of this application to complete the zero-position adjustment. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings.

[0022] Figure 1 A schematic diagram illustrating the use of the servo actuator zero-position adjustment fixture;

[0023] Figure 2 Main view of multiple sets of measuring pins for servo actuator zero-position adjustment fixture;

[0024] Figure 3 A schematic diagram of one embodiment of a zero-position adjustment fixture for a mechanical mechanism;

[0025] Figure 4 A schematic diagram of another embodiment of the zero-position adjustment fixture for a mechanical mechanism. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figure 3 and Figure 4As shown, this application provides a zero-position adjustment fixture for a mechanical mechanism, including: a base 1, a slider 2, a pad 3 for providing auxiliary support to the mechanical mechanism 7, a first variable diameter pin 4, a second variable diameter pin 5, at least one adjustable pad 6 for keeping the mechanical mechanism 7 in a horizontal state, and a vernier caliper. The base 1 is provided with a guide rail 11 and a mounting block 12, with the left end of the guide rail 11 connected to the right end of the mounting block 12. The height of the guide rail 11 is equal to the height of the mounting block 12. The upper surface of the guide rail 11 has a downwardly recessed groove 111, within which the slider 2 is located and slides along the extending direction of the guide rail 11. The pad 3 is located within the groove 111, between the mounting block 12 and the slider 2, and slides along the extending direction of the guide rail 11 within the groove 111. The lower end of the first variable diameter pin 4 is connected to the mounting block 12, and the upper end of the first variable diameter pin 4 extends vertically upward. The lower end of the second variable diameter pin 5 is connected to the slider 2, and the upper end of the second variable diameter pin 5 extends vertically upward. In use, one end of the mechanical mechanism 7 is engaged with the first variable diameter pin 4, and the other end of the mechanical mechanism 7 is engaged with the second variable diameter pin 5. An adjustable pad 6 is provided on the base 1 and located on one side of the guide rail 11. One end of the vernier caliper is fixed to the outer side of the first variable diameter pin 4, and the other end of the vernier caliper is engaged with the outer side of the second variable diameter pin 5.

[0028] Specifically, the base 1 provides stable support for the zero-position adjustment fixture of the entire mechanical mechanism, ensuring that the mechanical mechanism 7 will not deform or shake during zero-position adjustment. The pad 3 provides auxiliary support for the mechanical mechanism 7, preventing damage to the fixture caused by the heavier mechanical mechanism 7. The slider 2, as the mounting base for the second variable diameter pin 5, can move within the slide groove 111 to accommodate different zero-position lengths of the mechanical mechanism 7. Both the first variable diameter pin 4 and the second variable diameter pin 5 have bidirectional screws, which can adjust the diameter of the pins to accommodate different diameters of the pins in the mechanical mechanism 7. The adjustable pad 6 has a screw, which can adjust its height to ensure that the pad 6 is positioned on one side of the mechanical mechanism 7, keeping the mechanical mechanism 7 horizontal and preventing the risk of tipping over during use due to the center of gravity being far from the axis. The two ends of the vernier caliper are fixed to the outer surfaces of the first variable diameter pin 4 and the second variable diameter pin 5, respectively. By subtracting the radius of the first variable diameter pin 4 and the radius of the second variable diameter pin 5, the length of the mechanical mechanism 7 can be obtained. Then, by comparing with the zero length, the length of the mechanical mechanism 7 can be adjusted to the zero length to meet the usage requirements.

[0029] Furthermore, the base 1, guide rail 11, and mounting block 12 are either an integrated structure or a separate structure.

[0030] Furthermore, a locking positioning groove 112 is provided on the guide rail 11 along the extension direction of the guide rail 11; the locking bolt locks the pad 3 and / or the slider 2 through the locking positioning groove 112.

[0031] Specifically, when the pad 3 and / or slider 2 move to the desired position, the locking bolt locks the pad 3 and / or slider 2 through the locking positioning groove 112, which can prevent the pad 3 and / or slider 2 from moving during the zero-position adjustment process.

[0032] Furthermore, the guide rail 11 includes: a first side plate, a second side plate, a third side plate, and a fourth side plate; wherein, the lower end of the first side plate is connected to the upper surface of the base 1, and the left end of the first side plate is connected to the right end of the mounting block 12; the lower end of the second side plate is connected to the upper surface of the base 1, and the left end of the second side plate is connected to the right end of the mounting block 12; there is a first gap between the first side plate and the second side plate; the front end of the third side plate is connected to the upper end of the first side plate, and the left end of the third side plate is connected to the right end of the mounting block 12; a locking positioning groove 112 is located on the third side plate; the rear end of the fourth side plate is connected to the upper end of the second side plate, and the left end of the fourth side plate is connected to the right end of the mounting block 12; there is a second gap between the rear end of the third side plate and the front end of the fourth side plate, the second gap being smaller than the first gap; after the base plate 1, the first side plate, the second side plate, the third side plate, and the fourth side plate are connected, a downwardly recessed groove 111 is formed.

[0033] Furthermore, the slider 2 includes an upper slider and a lower slider. The lower end of the upper slider is connected to the upper end of the lower slider. After connection, the sum of the heights of the upper slider and the lower slider is equal to the height of the mounting block 12. The diameter of the upper slider is less than the second interval distance, the diameter of the lower slider is less than the first interval distance, and the diameter of the lower slider is greater than the second interval distance. The lower slider is located in the slide groove 111, and the upper slider is located between the rear end of the third side plate and the front end of the fourth side plate. The lower end of the second variable diameter pin 5 is connected to the upper end of the upper slider.

[0034] Furthermore, the slider 2 is provided with a second mounting hole, and the lower end of the second variable diameter pin 5 is connected to the slider 2 through the second mounting hole.

[0035] Furthermore, the second mounting hole is located at the upper end of the upper slider.

[0036] Furthermore, the mounting block 12 is provided with a first mounting hole, and the lower end of the first variable diameter pin 4 is connected to the mounting block 12 through the first mounting hole.

[0037] Furthermore, the pad 3 includes an upper pad and a lower pad. The lower end of the upper pad is connected to the upper end of the lower pad. After connection, the sum of the height of the upper pad and the height of the lower pad is equal to the height of the mounting block 12. The diameter of the upper pad is less than the second interval distance, the diameter of the lower pad is less than the first interval distance, and the diameter of the lower pad is greater than the second interval distance. The lower pad is located in the slide groove 111, and the upper pad is located between the rear end of the third side plate and the front end of the fourth side plate.

[0038] Furthermore, the base 1 is made of a high-strength, high-rigidity material. Preferably, the material of the base 1 is aerospace aluminum alloy or stainless steel.

[0039] Furthermore, the slider 2 is made of a high-strength, high-rigidity material. Preferably, the material of the slider 2 is aerospace aluminum alloy or stainless steel.

[0040] Furthermore, the pad 3 is made of a high-strength, high-rigidity material. Preferably, the material of the pad 3 is aerospace aluminum alloy or stainless steel.

[0041] Furthermore, the specific number of adjustable pads 6 is set according to the actual situation, and in this application, one is preferred.

[0042] The zero-position adjustment fixture for mechanical mechanisms described in this application is applicable to zero-position adjustment of mechanical mechanisms whose center of mass is far from the axis, but is not limited to zero-position adjustment of mechanical mechanisms whose center of mass is far from the axis. It can also be used for zero-position adjustment of other equipment such as servo actuators of rockets and packaging machines in food packaging production lines.

[0043] The beneficial effects achieved by this application are as follows:

[0044] (1) The zero-position adjustment fixture of the mechanical mechanism of this application can meet the pin hole requirements of different specifications of mechanical mechanisms by adjusting the diameter of the first variable diameter pin and the second variable diameter pin, meet the zero-position length requirements of different mechanical mechanisms by changing the position of the slider, and ensure that the mechanical mechanism remains horizontal and stable during measurement by adjusting the height of the adjustable pad.

[0045] (2) The zero-position adjustment fixture of the mechanical mechanism of this application can quickly and accurately complete the zero-position adjustment, reduce equipment downtime and debugging time, avoid repeated adjustments and production failures caused by inaccurate zero position, and improve the continuity and stability of production. For example, in a food packaging production line, the zero-position adjustment fixture of the mechanical mechanism of this application can shorten the debugging time of the packaging machine from several hours to tens of minutes.

[0046] (3) The zero-position adjustment fixture of the mechanical mechanism in this application can ensure that the mechanical mechanism is in the best working state at the initial zero position, which improves the product processing accuracy and consistency, reduces product defects and scrap rate caused by zero position deviation, and reduces production costs. For example, in a machining center, accurate zero position adjustment can ensure that the dimensional accuracy and geometric tolerances of the parts meet the requirements.

[0047] (4) The zero-position adjustment fixture of the mechanical mechanism of this application can reduce the additional wear and stress concentration of mechanical parts caused by inaccurate zero position, reduce the failure rate and maintenance cost of the equipment, and enable the equipment to always be in good operating condition, thereby improving the reliability and durability of the equipment.

[0048] (5) The zero-position adjustment fixture of the mechanical mechanism of this application can simplify the zero-position adjustment operation process, reduce the skill level requirements of the operator, reduce the risk of the operator coming into contact with dangerous parts during the adjustment process, and improve work safety. For example, in automated equipment, workers only need to follow the prompts on the zero-position adjustment fixture of this application to complete the zero-position adjustment.

[0049] Although preferred embodiments of this application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the scope of protection of this application is intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this application. Obviously, those skilled in the art can make various alterations and variations to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of protection of this application and its equivalents, this application also intends to include these modifications and variations.

Claims

1. A mechanical mechanism zero adjustment tool, characterized by, include: The base, slider, pad for providing auxiliary support for the mechanical mechanism, first variable diameter pin, second variable diameter pin, at least one adjustable pad for keeping the mechanical mechanism in a horizontal position, and vernier caliper. The base is equipped with a guide rail and a mounting block, with the left end of the guide rail connected to the right end of the mounting block; the height of the guide rail is equal to the height of the mounting block. The upper surface of the guide rail has a downwardly recessed groove, and the slider is located in the groove. The slider slides in the groove along the extension direction of the guide rail. The pad is located in the groove and between the mounting block and the slider. The pad slides in the groove along the extension direction of the guide rail. The lower end of the first variable diameter pin is connected to the mounting block, and the upper end of the first variable diameter pin extends vertically upward; the lower end of the second variable diameter pin is connected to the slider, and the upper end of the second variable diameter pin extends vertically upward; in use, one end of the mechanical mechanism is engaged with the first variable diameter pin, and the other end of the mechanical mechanism is engaged with the second variable diameter pin. Adjustable pads are mounted on the base and located on one side of the guide rail; One end of the vernier caliper is fixed to the outer side of the first variable diameter pin, and the other end of the vernier caliper is clamped to the outer side of the second variable diameter pin.

2. The mechanical mechanism zero adjustment tooling of claim 1, wherein, A locking and positioning groove is provided on the guide rail along the extension direction of the guide rail; The locking bolts lock the pads and / or sliders via the locking positioning grooves.

3. The mechanical mechanism zero adjustment tooling of claim 2, wherein, The guide rail includes: First side panel, second side panel, third side panel, and fourth side panel; The lower end of the first side plate is connected to the upper surface of the base, and the left end of the first side plate is connected to the right end of the mounting block. The lower end of the second side plate is connected to the upper surface of the base, and the left end of the second side plate is connected to the right end of the mounting block. There is a first interval distance between the first side plate and the second side plate; The front end of the third side plate is connected to the upper end of the first side plate, and the left end of the third side plate is connected to the right end of the mounting block; the locking positioning groove is located on the third side plate. The rear end of the fourth side plate is connected to the upper end of the second side plate, and the left end of the fourth side plate is connected to the right end of the mounting block; there is a second gap between the rear end of the third side plate and the front end of the fourth side plate, and the second gap is smaller than the first gap. The substrate, the first side plate, the second side plate, the third side plate and the fourth side plate are connected to form a downwardly recessed groove.

4. The mechanical mechanism zero adjustment tooling of claim 1, wherein the slide include: The upper slider and the lower slider are connected at their lower ends. After connection, the sum of the heights of the upper slider and the lower slider is equal to the height of the mounting block. The diameter of the upper slider is smaller than the second interval distance, the diameter of the lower slider is smaller than the first interval distance, and the diameter of the lower slider is larger than the second interval distance; the lower slider is located inside the groove, and the upper slider is located between the rear end of the third side plate and the front end of the fourth side plate. The lower end of the second variable diameter pin is connected to the upper end of the upper slider.

5. The mechanical mechanism zero adjustment tooling of claim 4, wherein, The upper slider is provided with a second mounting hole, and the lower end of the second variable diameter pin is connected to the upper slider through the second mounting hole.

6. The mechanical mechanism zero adjustment tooling of claim 1, wherein, The pad includes an upper pad and a lower pad. The lower end of the upper pad is connected to the upper end of the lower pad. After connection, the sum of the height of the upper pad and the height of the lower pad is equal to the height of the mounting block. The diameter of the upper pad is less than the second interval distance, the diameter of the lower pad is less than the first interval distance, and the diameter of the lower pad is greater than the second interval distance. The lower pad is located in the groove, and the upper pad is located between the rear end of the third side plate and the front end of the fourth side plate.

7. The mechanical mechanism zero adjustment tooling of claim 1, wherein, The mounting block is provided with a first mounting hole, and the lower end of the first variable diameter pin is connected to the mounting block through the first mounting hole.

8. The mechanical mechanism zero adjustment tooling of claim 1, wherein, The base is made of aerospace-grade aluminum alloy or stainless steel.

9. The mechanical mechanism zero adjustment tooling of claim 1, wherein, The pads are made of aerospace-grade aluminum alloy or stainless steel.

10. The mechanical mechanism zero adjustment tooling of claim 1, wherein, The slider is made of aerospace-grade aluminum alloy or stainless steel.

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