Stroke amplification mechanism and detection equipment

Abstract

The utility model provides a stroke magnification mechanism and detection equipment, including power portion, magnification portion and platform deck, power portion includes primary output gear, magnification portion includes magnification gear subassembly, primary output gear and magnification gear subassembly transmission connection, magnification gear subassembly includes secondary output gear, secondary output gear and platform deck transmission connection, and the platform deck is equipped with secondary output gear. The diameter of the secondary output gear is larger than that of the primary output gear. The first-stage output gear and the second-stage output gear are arranged, the diameter of the second-stage output gear is larger than that of the first-stage output gear, and under the same rotating angle, the perimeter of the second-stage output gear is longer, so that the distance for driving the carrying table to move is longer than the distance for driving the carrying table to move directly by the first-stage output gear, and stroke amplification is achieved; on the premise that the stroke requirement is guaranteed, the actual physical size of the stroke amplifying mechanism can be relatively small, and therefore the requirement for space in the plate moving direction is reduced, and the space utilization rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical drive technical field, concretely relates to a stroke amplification mechanism and detection equipment. BACKGROUND

[0002] With the continuous development of modern decoration industry, the household composite board as the core component of the basic hard decoration, its industry development scale is also unprecedentedly huge. At present, more and more customers put forward higher requirements to the quality and size perception of cabinet body, and the size and quality of the original plate piece are particularly obvious to the construction effect, and the size and quality detection before the plate forming stage and packaging are very important.

[0003] The existing linear conveying mechanism mostly adopts motor belt or large-stroke air cylinder, electric cylinder to drive. This driving mode makes the space demand of plate moving direction larger, and the stroke of the actuator is too long, and the space requirement is larger. UTILITY MODEL CONTENTS

[0004] Therefore, the technical problem to be solved by the utility model is to provide a stroke amplification mechanism and detection equipment, which reduce the occupied space under the premise of ensuring the stroke requirement.

[0005] In order to solve the above problems, the first aspect of the utility model provides a stroke amplification mechanism, which comprises a power part, an amplification part and a carrier, the power part comprises a primary output gear, the amplification part comprises an amplification gear assembly, the primary output gear is in transmission connection with the amplification gear assembly, the amplification gear assembly comprises a secondary output gear, the secondary output gear is in transmission connection with the carrier, and the diameter of the secondary output gear is greater than that of the primary output gear.

[0006] Optionally, the amplification part comprises a primary input gear and a secondary shaft, the primary input gear and the secondary output gear are fixedly sleeved on the secondary shaft, the primary input gear is engaged with the primary output gear, so that the primary output gear drives the secondary output gear to rotate through the primary input gear and the secondary shaft.

[0007] Optionally, the pitch circle diameter of the secondary output gear is 3-5 times that of the primary input gear.

[0008] Optionally, the number of teeth of the primary input gear is the same as that of the primary output gear, and the pitch circle diameter of the primary input gear is the same as that of the primary output gear.

[0009] Optionally, the stroke amplification mechanism comprises a bearing seat, the secondary rotating shaft is rotatably connected to the bearing seat through a bearing, the power unit comprises a primary rotating shaft, the primary output gear is sleeved on the primary rotating shaft, and the primary rotating shaft is rotatably connected to the bearing seat through a bearing.

[0010] Optionally, the power unit comprises a driving member and a primary rack, the primary rack is connected to an output end of the driving member, and the primary rack is engaged with the primary output gear, so that the driving member drives the primary output gear to rotate through the primary rack.

[0011] Optionally, the bearing seat is provided with a first sliding rail, and the primary rack is slidably connected to the first sliding rail.

[0012] Optionally, the stage is provided with a secondary rack, and the secondary output gear is engaged with the secondary rack to drive the stage to move.

[0013] Optionally, the stroke amplification mechanism comprises a frame body, the frame body is provided with a second sliding rail, and the stage is slidably connected to the second sliding rail.

[0014] In a second aspect, the utility model provides a kind of detection equipment, comprising the stroke amplification mechanism as above.

[0015] Beneficial effects

[0016] The stroke amplification mechanism and the detection equipment provided in the embodiment of the utility model can provide power for the movement of the amplification unit and the stage by setting the power unit. By setting the primary output gear and the secondary output gear, and making the diameter of the secondary output gear greater than the diameter of the primary output gear, the circumference of the secondary output gear is longer under the same rotation angle, so that the distance of the stage moving is farther than the distance of the stage moving directly driven by the primary output gear, the stroke is amplified, and the actual physical size of the stroke amplification mechanism can be relatively small under the premise of ensuring the stroke requirement, so as to reduce the demand for space in the direction of the plate moving, improve the space utilization, and especially suitable for the scene of limited space but large stroke carrying, such as household board detection equipment and other fields, ensure the detection stroke, make the overall structure of the equipment more compact, and reduce the floor area of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure schematic view that the stroke amplification mechanism of the embodiment of the utility model is in retracted state.

[0018] Fig. 2 It is a structure schematic view that the stroke amplification mechanism of the embodiment of the utility model is in elongated state.

[0019] Fig. 3 Figure 2 is a side view of the stroke amplification mechanism of the utility model embodiment in a retracted state.

[0020] Reference signs are represented as:

[0021] 11, primary output gear; 12, primary rotating shaft; 21, secondary output gear; 22, primary input gear; 23, secondary rotating shaft; 3, carrier; 31, secondary rack; 32, second sliding rail; 4, bearing seat; 51, driving member; 52, primary rack; 53, first sliding rail. DETAILED DESCRIPTION

[0022] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0023] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described here are only for describing and explaining the utility model, and are not used to limit the utility model.

[0026] Combined with reference Figs. 1 to 3The utility model discloses a stroke amplification mechanism, including power part, amplification part and platform 3, power part includes primary output gear 11, amplification part includes amplification gear assembly, and primary output gear 11 is transmissionally connected with amplification gear assembly, and amplification gear assembly includes secondary output gear 21, and secondary output gear 21 is transmissionally connected with platform 3, and the diameter of secondary output gear 21 is greater than the diameter of primary output gear 11.

[0027] By setting power part, can provide power for the movement of amplification part and platform 3. By setting primary output gear 11 and secondary output gear 21, and make the diameter of secondary output gear 21 is greater than the diameter of primary output gear 11, under the same rotation angle, the circumference of secondary output gear 21 is longer, thereby the distance of platform 3 movement is farther compared with the distance of platform 3 movement directly driven by primary output gear 11, realizes the amplification of stroke, under the premise of guaranteeing stroke demand, the actual physical size of stroke amplification mechanism can be relatively smaller, thereby reduce the demand for space in the direction of plate movement, improve the space utilization, especially suitable for the scene of limited space but needing larger stroke carrying, such as household board detection equipment and other fields, guarantee the detection stroke at the same time, make the overall structure of equipment more compact, reduce the floor area of equipment.

[0028] Among them, power part and amplification part transmission connection, amplification part and platform 3 transmission connection, further make power part can drive platform 3 to move through amplification part, and amplify stroke while moving. When stroke amplification mechanism is used for detection equipment, can realize the detection of different positions through amplification stroke.

[0029] Specifically, primary output gear 11 as the power output end of power part is connected with the power input end of amplification gear assembly, and then power is transmitted to amplification gear assembly. Secondary output gear 21 as the power output end of amplification gear assembly is transmissionally connected with platform 3, and then drives platform 3 to move.

[0030] Among them, the axis line of secondary output gear 21 extends along the horizontal direction, that is, secondary output gear 21 is vertically arranged, and then drives platform 3 to move repeatedly along a straight line in the horizontal plane.

[0031] It should be noted that the diameter of secondary output gear 21 refers to the diameter of the division circle of secondary output gear 21. The diameter of primary output gear 11 refers to the diameter of the division circle of primary output gear 11.

[0032] The amplification part comprises a first input gear 22 and a second rotating shaft 23, the first input gear 22 and the second output gear 21 are fixedly sleeved on the second rotating shaft 23, the first input gear 22 is engaged with the first output gear 11, so that the first output gear 11 drives the second output gear 21 to rotate through the first input gear 22 and the second rotating shaft 23.

[0033] By fixing the first input gear 22 and the second output gear 21 on the second rotating shaft 23, a stable gear assembly structure is formed. When the first output gear 11 rotates and engages with the first input gear 22, power can be smoothly transmitted to the second rotating shaft 23 through the first input gear 22, and then the second output gear 21 is driven to rotate by the second rotating shaft 23, which ensures that the relative position between the first input gear 22 and the second output gear 21 is stable during power transmission, and slipping or misalignment does not occur, thereby ensuring the accuracy and stability of power transmission, so that the platform 3 can move stably in the expected way, which is beneficial to improve the working reliability and motion accuracy of the whole stroke amplification mechanism.

[0034] By engaging the first input gear 22 with the first output gear 11, the number of teeth and the pitch circle diameter of the first input gear 22 and the first output gear 11 can be designed according to actual needs, so as to accurately control the transmission ratio. According to the specific stroke amplification ratio requirement, the rotational speed and torque of the second output gear 21 can be accurately adjusted by reasonably selecting the gear parameters, and then the moving speed and stroke of the platform 3 can be accurately controlled.

[0035] Among them, the second rotating shaft 23 extends horizontally in a straight line, the first input gear 22 is fixedly arranged at one end of the second rotating shaft 23 close to the first output gear 11, and the second output gear 21 is fixedly arranged at the other end of the second rotating shaft 23.

[0036] Among them, the first input gear 22, the second output gear 21 and the second rotating shaft 23 are coaxially arranged.

[0037] Among them, the diameter of the pitch circle of the second output gear 21 is greater than the diameter of the pitch circle of the first input gear 22.

[0038] Specifically, the diameter of the pitch circle of the second output gear 21 is 3-5 times the diameter of the pitch circle of the first input gear 22.

[0039] In one embodiment, the diameter of the pitch circle of the second output gear 21 is 4 times the diameter of the pitch circle of the first input gear 22.

[0040] In this embodiment, the primary input gear 22 is 17 teeth, and the pitch circle circumference of the primary input gear 22 is about 100mm. The secondary output gear 21 is 65 teeth, and the pitch circle circumference of the secondary output gear 21 is about 400mm, which can achieve about 4 times stroke amplification.

[0041] In this embodiment, the primary input gear 22 is 17 teeth, and the pitch circle circumference of the primary input gear 22 is about 100mm. The secondary output gear 21 is 65 teeth, and the pitch circle circumference of the secondary output gear 21 is about 400mm, which can achieve about 4 times stroke amplification.

[0042] In this embodiment, the primary output gear 11 is 17 teeth, and the pitch circle circumference of the primary output gear 11 is about 100mm.

[0043] The stroke amplification mechanism includes a bearing seat 4, and the secondary rotating shaft 23 is rotatably connected to the bearing seat 4 through a bearing. The power part includes a primary rotating shaft 12, and the primary output gear 11 is sleeved on the primary rotating shaft 12. The primary rotating shaft 12 is rotatably connected to the bearing seat 4 through a bearing.

[0044] By arranging the bearing seat 4 and rotatably connecting the secondary rotating shaft 23 and the primary rotating shaft 12 to the bearing seat 4 through bearings, a stable setting position is provided for the secondary rotating shaft 23 and the primary rotating shaft 12, and a unified installation reference and positioning reference are provided, so that the structure of the entire stroke amplification mechanism is more regular and orderly. During assembly, the positions and sizes of the bearing seats 4 can be used to more conveniently install and adjust the rotating shafts, gears and other components, and ensure the correct cooperation between the components.

[0045] By using bearings, the friction coefficient of the rotating shaft during rotation can be greatly reduced, so that the rotating shaft can rotate more smoothly, energy loss due to friction can be effectively reduced, and the transmission efficiency of the mechanism is improved. At the same time, reducing friction also means reducing wear between the rotating shaft and the bearing seat 4, prolonging their service life, reducing maintenance cost and replacement frequency of the equipment, and ensuring long-term stable operation of the stroke amplification mechanism.

[0046] In this embodiment, the bearing seat 4 includes a left side plate, a bottom plate and a right side plate, which are connected in sequence. The bottom plate is horizontally arranged, and the left side plate and the right side plate are vertically arranged. The bottom plate is connected to the opposite side walls at the bottom of the left side plate and the right side plate.

[0047] In this embodiment, the left end of the primary rotating shaft 12 is connected to one mounting hole in the left side plate through a bearing, and the right end of the primary rotating shaft 12 is connected to one mounting hole in the right side plate through a bearing.

[0048] In this embodiment, the left end of the secondary rotating shaft 23 is connected to another mounting hole in the left side plate through a bearing, and the right end of the secondary rotating shaft 23 is connected to another mounting hole in the right side plate through a bearing.

[0049] Specifically, the second rotating shaft 23 is arranged in parallel with the first rotating shaft 12, and the second rotating shaft 23 is located obliquely above the first rotating shaft 12. The left side plate and the right side plate are adaptively formed into an obtuse-angled bending structure, and the second rotating shaft 23 and the first rotating shaft 12 are arranged on the bending segments of the bending structure away from the bottom plate.

[0050] The stroke amplification mechanism comprises a frame body, and the bearing seat 4 is fixedly connected to the frame body.

[0051] The power part comprises a driving member 51 and a first rack 52, the first rack 52 is connected to the output end of the driving member 51, and the first rack 52 is engaged with the first output gear 11, so that the driving member 51 drives the first output gear 11 to rotate through the first rack 52.

[0052] By arranging the driving member 51, linear motion can be output, and through the engagement of the first rack 52 and the first output gear 11, the linear motion is converted into the rotary motion of the first output gear 11. The flexible conversion of the power form is simply and efficiently realized, and the requirements of different motion forms in the stroke amplification mechanism are met. In the household board detection equipment, the driving member 51 can generate accurate linear displacement according to the instruction of the control system, and through the transmission of the rack and the gear, the horizontal movement of the loading platform 3 or the rotary motion of other related components is converted, so that the accurate handling and detection operation of the board are realized.

[0053] The engagement of the first rack 52 and the first output gear 11 is linear contact, which can provide more stable and reliable power transmission. In the working process, as long as the manufacturing precision of the rack and the gear and the appropriate engagement gap are ensured, it can be ensured that the power will not slip or lose steps in the transmission process, so that the first output gear 11 can rotate at the expected speed and torque, and then the movement stability and accuracy of the entire stroke amplification mechanism are ensured. For example, in the process of high-precision board processing or detection, stable power transmission helps to improve product quality and production efficiency.

[0054] The driving member 51 can be a pneumatic cylinder.

[0055] The driving member 51 is fixed on the frame body through the pneumatic cylinder fixing plate.

[0056] The driving member 51 is connected with the first rack 52 through the pneumatic cylinder movable joint, the reciprocating motion of the piston of the driving member 51 drives the first rack 52 to move, the first rack 52 is engaged with the first output gear 11, and the rotary motion of the first output gear 11 is realized.

[0057] Further, the primary output gear 11 meshes with the primary input gear 22, drives the primary input gear 22 to rotate reversely, and transmits the torque to the secondary output gear 21 through the secondary rotating shaft 23, the secondary output gear 21 rotates coaxially and at the same angular velocity with the primary input gear 22, the diameter of the secondary output gear 21 is larger, and the linear velocity of rotation is larger, so that the stroke amplification is realized.

[0058] Specifically, the driving member 51 is a pen-shaped cylinder. The stroke of the driving member 51 is 100 mm.

[0059] Specifically, the driving member 51 is a pen-shaped cylinder. The stroke of the driving member 51 is 100 mm.

[0060] The bearing seat 4 is provided with a first sliding rail 53, and the primary rack 52 is slidingly connected to the first sliding rail 53.

[0061] By arranging the first sliding rail 53, the primary rack 52 can be provided with accurate linear motion guidance. When the driving member 51 drives the primary rack 52 to move, the sliding rail limits the rack to move linearly in a specific direction only, avoiding the rack from deviating, shaking or twisting during movement, and ensuring the movement accuracy of the platform 3 and the working accuracy of the entire stroke amplification mechanism.

[0062] Specifically, the driving member 51 is a pen-shaped cylinder. The stroke of the driving member 51 is 100 mm.

[0063] Specifically, the driving member 51 is a pen-shaped cylinder. The stroke of the driving member 51 is 100 mm.

[0064] The platform 3 is provided with a secondary rack 31, and the secondary output gear 21 meshes with the secondary rack 31 to drive the platform 3 to move.

[0065] By arranging the secondary rack 31 and making the secondary output gear 21 mesh with the secondary rack 31, accurate conversion from rotary motion to linear motion is realized, the platform 3 can be driven to move, and the moving speed and displacement of the platform 3 can be accurately controlled.

[0066] Specifically, the driving member 51 is a pen-shaped cylinder. The stroke of the driving member 51 is 100 mm.

[0067] Specifically, the driving member 51 is a pen-shaped cylinder. The stroke of the driving member 51 is 100 mm.

[0068] Further, the secondary output gear 21 meshes with the secondary rack 31, and drives the secondary rack 31 to move in the same direction with the primary rack 52.

[0069] The second slide rail 32 is arranged on the frame body, and the carrier 3 is slidably connected to the second slide rail 32.

[0070] The second slide rail 32 provides accurate linear motion guidance for the carrier 3.

[0071] The first slide rail 53, the secondary rack 31 and the second slide rail 32 are arranged horizontally and parallel to each other.

[0072] The second slide rail 32 can be arranged on the left side of the carrier 3, and the other second slide rail 32 can be arranged on the right side of the carrier 3.

[0073] The second aspect of the utility model provides a kind of detection equipment, including the stroke amplification mechanism as described above.

[0074] Those skilled in the art can understand that the above advantageous modes can be freely combined and superimposed without conflict.

[0075] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principles of the utility model should be included in the protection scope of the utility model. The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principles of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A stroke amplification mechanism characterized by, The stroke amplification mechanism comprises a power part, an amplification part and a carrier (3), the power part comprises a primary output gear (11), the amplification part comprises an amplification gear assembly, the primary output gear (11) is in transmission connection with the amplification gear assembly, the amplification gear assembly comprises a secondary output gear (21), the secondary output gear (21) is in transmission connection with the carrier (3), and the diameter of the secondary output gear (21) is greater than that of the primary output gear (11).

2. The stroke amplification mechanism of claim 1, wherein The amplification part comprises a primary input gear (22) and a secondary rotating shaft (23), the primary input gear (22) and the secondary output gear (21) are fixedly sleeved on the secondary rotating shaft (23), and the primary input gear (22) is in engagement with the primary output gear (11) so that the primary output gear (11) drives the secondary output gear (21) to rotate through the primary input gear (22) and the secondary rotating shaft (23).

3. The stroke amplification mechanism of claim 2, wherein The pitch circle diameter of the secondary output gear (21) is 3-5 times that of the primary input gear (22).

4. The stroke amplification mechanism of claim 2, wherein The primary input gear (22) has the same number of teeth and the same pitch circle diameter as the primary output gear (11).

5. The stroke amplification mechanism of claim 2, wherein The stroke amplification mechanism comprises a bearing seat (4), the secondary rotating shaft (23) is rotationally connected to the bearing seat (4) through a bearing, the power part comprises a primary rotating shaft (12), the primary output gear (11) is sleeved on the primary rotating shaft (12), and the primary rotating shaft (12) is rotationally connected to the bearing seat (4) through a bearing.

6. The stroke amplification mechanism of claim 5, wherein, The power part comprises a driving member (51) and a primary rack (52), the primary rack (52) is connected to the output end of the driving member (51), the primary rack (52) is in engagement with the primary output gear (11), and the driving member (51) drives the primary output gear (11) to rotate through the primary rack (52).

7. The stroke amplification mechanism of claim 6, wherein The bearing seat (4) is provided with a first sliding rail (53), and the primary rack (52) is slidingly connected to the first sliding rail (53).

8. The stroke amplification mechanism of claim 1, wherein, The carrier (3) is provided with a secondary rack (31), and the secondary output gear (21) is in engagement with the secondary rack (31) to drive the carrier (3) to move.

9. The stroke amplification mechanism of claim 1, wherein, The stroke amplification mechanism comprises a frame body, the frame body is provided with a second sliding rail (32), and the carrier (3) is slidingly connected to the second sliding rail (32).

10. A detection device, characterized by The stroke amplification mechanism comprises the stroke amplification mechanism according to any one of claims 1-9. The stroke amplification mechanism comprises the stroke amplification mechanism according to any one of claims 1-9.

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