Three-stage telescopic structure for material grabbing

Abstract

The utility model relates to a three-stage telescopic structure for material grabbing. The three-stage telescopic structure comprises a first-stage telescopic assembly, a second-stage telescopic assembly and a third-stage telescopic assembly. The first-stage telescopic assembly is provided with a first bearing plate which can be controlled to move. The second-stage telescopic assembly is arranged on the first bearing plate and comprises a second-stage gear capable of being controlled to rotate, a second bearing plate and a second-stage rack arranged on the second bearing plate and meshed with the second-stage gear, and the second-stage gear and the second-stage rack are matched to drive the second bearing plate to move in the same direction as the first bearing plate. The third-stage telescopic assembly comprises a third-stage gear embedded in the second bearing plate and capable of rotating, a third bearing plate used for driving the clamp to move, a first third-stage rack arranged on the first bearing plate and engaged with the third-stage gear, and a second third-stage rack arranged on the third bearing plate and engaged with the third-stage gear. The first third-stage rack, the third-stage gear and the second third-stage rack are matched with one another to drive the third bearing plate to move in the same direction as the second bearing plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to material handling technical field, concretely relates to a three -level telescopic structure for material grabbing. BACKGROUND

[0002] In the industrial environment such as semiconductor workshop, material handling usually relies on the overhead crane system, and the material is transported to the designated position through the grabbing device. In order to improve the space utilization, the telescopic structure is usually used as the key component of the material grabbing device. The existing telescopic structure generally adopts one or two telescopic designs, which can effectively meet the handling demand in the spacious environment. However, in some specific application scenarios, such as the material handling system of semiconductor workshop, due to the space limitation, the design needs to be further optimized in order to save more space and improve the efficiency.

[0003] In order to solve this problem, the designer puts forward a three -level telescopic structure, which aims to realize more compact structure layout through more telescopic levels, and then improve the space utilization of the system. However, the existing three -level telescopic structure usually needs to configure independent driving source for each telescopic level, which not only increases the overall cost of the equipment, but also makes the device structure more complex and increases the energy consumption of the equipment. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a three -level telescopic structure for material grabbing, which can set three -level gear on the second bearing plate, and design first three -level rack and second three -level rack meshing with three -level gear on the first bearing plate and third bearing plate respectively, the three cooperate with each other to make the second bearing plate controlled movement at the same time, drive the third bearing plate to move further, so as to realize the synchronous progressive telescopic of two -level telescopic component and three -level telescopic component driven by the same driving source, the structure is more simplified, so as to reduce the equipment cost and equipment energy consumption.

[0005] In order to achieve the above purpose, the utility model provides a three -level telescopic structure for material grabbing, which comprises:

[0006] The first telescopic component is provided with the first bearing plate which can be controlled to move;

[0007] The second telescopic component is arranged on the first bearing plate, which comprises a second gear wheel that can be controlled to rotate, a second bearing plate and a second gear rack arranged on the second bearing plate and meshing with the second gear wheel, and the second gear wheel cooperates with the second gear rack to drive the second bearing plate to move towards the direction moving with the first bearing plate;

[0008] The third telescopic assembly comprises a third gear wheel embedded on the second bearing plate and rotatable, a third bearing plate for driving the clamp to move, a first third rack provided on the first bearing plate and engaged with the third gear wheel, and a second third rack provided on the third bearing plate and engaged with the third gear wheel, the first third rack, the third gear wheel and the second third rack cooperating with each other to drive the third bearing plate to move towards a direction same as the second bearing plate.

[0009] Optionally, the first telescopic assembly further comprises:

[0010] a support plate;

[0011] a first driving motor provided on the support plate;

[0012] a transmission screw provided between the support plate and the first bearing plate and used for driving the first bearing plate to move, and a first transmission belt provided between the transmission screw and a movable end of the first driving motor.

[0013] Optionally, the second telescopic assembly further comprises:

[0014] a second driving motor provided on the first bearing plate;

[0015] a tight-fitting adjusting mechanism comprising a transmission shaft provided on the first bearing plate, a connecting gear wheel provided at one end of the transmission shaft, a second transmission belt provided between the connecting gear wheel and a movable end of the second driving motor, and a second gear wheel provided at the other end of the transmission shaft.

[0016] Optionally, the third telescopic structure for material grabbing further comprises a first guiding and positioning assembly, and the first guiding and positioning assembly comprises:

[0017] a positioning guide rail provided on the support plate,

[0018] a positioning block provided on the first bearing plate and corresponding matched with the positioning guide rail to guide and position the first bearing plate.

[0019] Optionally, the third telescopic structure for material grabbing further comprises a second guiding and positioning assembly, and the second guiding and positioning assembly comprises:

[0020] two connecting plates provided on the first bearing plate, and each of the connecting plates is provided with a row of first guiding rollers along the length direction;

[0021] two I-shaped positioning strips respectively provided on two sides of the second bearing plate, and the first guiding rollers are rollably clamped in first positioning grooves formed between the I-shaped positioning strips and the connecting plates;

[0022] The first guide roller cooperates with the I-shaped positioning strip to position and guide the second bearing plate.

[0023] Optionally, the third-level telescopic structure for material grabbing further comprises a third guide positioning mechanism, which comprises:

[0024] Two support vertical plates are arranged on both sides of the third bearing plate, and each support vertical plate is provided with a row of second guide rollers along the length direction, which are rollably clamped in second positioning grooves formed between the I-shaped positioning strip and the support vertical plate.

[0025] The second guide roller cooperates with the I-shaped positioning strip to position and guide the third bearing plate.

[0026] Optionally, a mounting groove is formed in the second bearing plate, mounting vertical plates are arranged on both sides of the mounting groove, and a support shaft is connected between the two mounting vertical plates, and the third gear is rotatably sleeved on the support shaft.

[0027] The beneficial effects of the utility model lie in that the third gear is arranged on the second bearing plate, the first third rack and the second third rack which mesh with the third gear are respectively designed on the first bearing plate and the third bearing plate, and the three are cooperated with each other to drive the third bearing plate to further move while the second bearing plate is controlled to move, so that the same driving source drives the second-level telescopic assembly and the third-level telescopic assembly to synchronously and progressively telescope, the structure is more simplified, and the equipment cost and the equipment energy consumption are reduced.

[0028] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model are described in detail in cooperation with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a schematic structural diagram of a third-level telescopic structure for material grabbing shown in an embodiment of the utility model;

[0030] Figure 2 It is a schematic structural diagram of a first-level telescopic assembly of a third-level telescopic structure for material grabbing shown in an embodiment of the utility model;

[0031] Figure 3 It is a schematic structural diagram of a second-level telescopic assembly and a third-level telescopic assembly of a third-level telescopic structure for material grabbing shown in an embodiment of the utility model;

[0032] In the figure: 1, first telescopic assembly; 11, first bearing plate; 12, support plate; 13, first drive motor; 14, transmission screw; 15, first transmission belt; 2, second telescopic assembly; 21, second gear; 22, second bearing plate; 221, mounting groove; 222, mounting upright; 23, second rack; 24, second drive motor; 25, tight-fitting adjusting mechanism; 251, transmission shaft; 252, connecting gear; 253, second transmission belt; 3, third telescopic assembly; 31, third gear; 32, third bearing plate; 33, first third rack; 34, second third rack; 4, first guiding and positioning assembly; 41, positioning guide rail; 42, positioning block; 5, second guiding and positioning assembly; 51, connecting plate; 52, I-shaped positioning strip; 53, first guiding roller; 6, third guiding and positioning mechanism; 61, support upright; 62, second guiding roller. DETAILED DESCRIPTION

[0033] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0036] Please refer to Figures 1 to 3The three-stage telescopic structure for material grabbing according to the preferred embodiment of the present application comprises a first-stage telescopic assembly 1, a second-stage telescopic assembly 2 and a third-stage telescopic assembly 3. The first-stage telescopic assembly 1 is provided with a first bearing plate 11 capable of controlled movement. The second-stage telescopic assembly 2 is arranged on the first bearing plate 11 and comprises a second-stage gear 21 capable of controlled rotation, a second bearing plate 22 and a second-stage rack 23 arranged on the second bearing plate 22 and engaged with the second-stage gear 21, the second-stage gear 21 and the second-stage rack 23 cooperating to drive the second bearing plate 22 to move in a direction same as the movement direction of the first bearing plate 11. The third-stage telescopic assembly 3 comprises a third-stage gear 31 rotatably arranged on the second bearing plate 22, a third bearing plate 32 for driving a clamp to move, a first third-stage rack 33 arranged on the first bearing plate 11 and engaged with the third-stage gear 31, and a second third-stage rack 34 arranged on the third bearing plate 32 and engaged with the third-stage gear 31, the first third-stage rack 33, the third-stage gear 31 and the second third-stage rack 34 cooperating to drive the third bearing plate 32 to move in a direction same as the movement direction of the second bearing plate 22.

[0037] According to the scheme of the embodiment of the present application, the third-stage gear 31 is arranged on the second bearing plate 22, and the first third-stage rack 33 and the second third-stage rack 34 engaged with the third-stage gear 31 are respectively designed on the first bearing plate 11 and the third bearing plate 32, and the three components cooperate to drive the third bearing plate 32 to further move while the second bearing plate 22 is controlled to move, thereby realizing synchronous progressive telescoping of the second-stage telescopic assembly 2 and the third-stage telescopic assembly 3 driven by the same driving source, simplifying the structure and reducing the equipment cost and energy consumption. It should be noted that the first-stage telescopic assembly 1 and the second-stage telescopic assembly 2 are both provided with a driving source, and when the second bearing plate 22 is controlled to move, the third-stage gear 31 on the second bearing plate 22 is driven to move synchronously, and since the second bearing plate 22 moves relative to the first bearing plate 11, the third-stage gear 31 rotates due to the engagement with the first third-stage rack 33 fixed on the first bearing plate 11, thereby driving the second third-stage rack 34 and the third bearing plate 32 engaged with the third-stage gear 31 to synchronously and progressively move, thereby realizing driving of the two telescopic stages by a single driving source.

[0038] The following will be described in detail with specific embodiments:

[0039] Please refer to Figure 1 and Figure 2The first telescopic assembly 1 further comprises a support plate 12, a first driving motor 13 and a transmission screw rod 14, the first driving motor 13 is arranged on the support plate 12. The transmission screw rod 14 is arranged between the support plate 12 and the first bearing plate 11, and is used to drive the first bearing plate 11 to move. The transmission screw rod 14 is provided with a first transmission belt 15 between the active end of the first driving motor 13. The three-level telescopic structure further comprises a first guiding and positioning assembly 4, the first guiding and positioning assembly 4 comprises a positioning guide rail 41 and a positioning block 42. The positioning guide rail 41 is arranged on the support plate 12, and the positioning block 42 is arranged on the first bearing plate 11 and correspondingly matched with the positioning guide rail 41 to guide and position the first bearing plate 11. In the embodiment, the first driving motor 13 and the transmission screw rod 14 are used to drive the first bearing plate 11 to move to realize the first-level telescopic movement.

[0040] Please refer to Figure 1 and Figure 3 The second telescopic assembly 2 further comprises a second driving motor 24 and a tight-fitting adjusting mechanism 25, the second driving motor 24 is arranged on the first bearing plate 11. The tight-fitting adjusting mechanism 25 comprises a transmission shaft 251 arranged on the first bearing plate 11, one end of the transmission shaft 251 is provided with a connecting gear 252, the connecting gear 252 and the active end of the second driving motor 24 are provided with a second transmission belt 253, and a second gear 21 is arranged at the other end of the transmission shaft 251. The three-level telescopic structure further comprises a second guiding and positioning assembly 5, the second guiding and positioning assembly 5 comprises two connecting plates 51 and two I-shaped positioning strips 52. The two connecting plates 51 are arranged on the first bearing plate 11, and each connecting plate 51 is provided with a row of first guiding rollers 53 along the length direction. The two I-shaped positioning strips 52 are respectively arranged on the two sides of the second bearing plate 22, and the first guiding rollers 53 are rollably clamped in the first positioning slots formed between the I-shaped positioning strips 52 and the connecting plates 51. The first guiding rollers 53 cooperate with the I-shaped positioning strips 52 to guide and position the second bearing plate 22. It should be noted that more than one second telescopic assembly 2 is arranged on the first bearing plate 11, and in the embodiment, two second telescopic assemblies 2 are arranged on the first bearing plate 11, and correspondingly, two corresponding third telescopic assemblies 3 are arranged.

[0041] Please refer to Figure 1 and Figure 3 The three-level telescopic structure further comprises a third guiding and positioning mechanism 6, the third guiding and positioning mechanism 6 comprises two support vertical plates 61 respectively arranged on the two sides of the third bearing plate 32, and each support vertical plate 61 is provided with a row of second guiding rollers 62 along the length direction, which are rollably clamped in the second positioning slots formed between the I-shaped positioning strips 52 and the support vertical plates 61. The second guiding rollers 62 cooperate with the I-shaped positioning strips 52 to guide and position the third bearing plate 32. The I-shaped positioning strips 52 can guide and position the second bearing plate and the third bearing plate at the same time, and the structure is more simple and ingenious.

[0042] See Figure 3 In this embodiment, a mounting groove 221 is provided on the second supporting plate 22, and mounting vertical plates 222 are provided on both sides of the mounting groove 221. A support shaft is connected between the two mounting vertical plates 222, and the three-stage gear 31 is rotatably mounted on the support shaft.

[0043] 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.

[0044] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A three-stage telescopic structure for material gripping, characterized in that, The utility model relates to a telescopic assembly, which comprises: a first telescopic assembly provided with a first bearing plate capable of moving under control; a second telescopic assembly provided on the first bearing plate, which comprises a second gear capable of rotating under control, a second bearing plate, and a second rack provided on the second bearing plate and engaged with the second gear, the second gear and the second rack being matched to drive the second bearing plate to move in the same direction as the first bearing plate; a third telescopic assembly, which comprises a third gear capable of rotating and embedded on the second bearing plate, a third bearing plate for driving a clamp to move, a first third rack provided on the first bearing plate and engaged with the third gear, and a second third rack provided on the third bearing plate and engaged with the third gear, the first third rack, the third gear, and the second third rack being matched to drive the third bearing plate to move in the same direction as the second bearing plate.

2. The three-stage telescopic structure for material grabbing according to claim 1, characterized in that, The first telescopic assembly further comprises: a support plate; a first driving motor provided on the support plate; a transmission screw provided between the support plate and the first bearing plate, which is used to drive the first bearing plate to move, and a first transmission belt provided between the transmission screw and the movable end of the first driving motor.

3. The three-stage telescopic structure for material grabbing according to claim 1, characterized in that, The second telescopic assembly further comprises: a second driving motor provided on the first bearing plate; a tight-fitting adjusting mechanism, which comprises a transmission shaft provided on the first bearing plate, one end of the transmission shaft being provided with a connecting gear, a second transmission belt being provided between the connecting gear and the movable end of the second driving motor, and the second gear being provided at the other end of the transmission shaft.

4. The three-stage telescopic structure for material grabbing according to claim 2, characterized in that, The utility model further comprises a first guiding and positioning assembly, which comprises: a positioning guide rail provided on the support plate, a positioning block provided on the first bearing plate and matched with the positioning guide rail to guide and position the first bearing plate.

5. The three-stage telescopic structure for material grabbing according to claim 1, characterized in that, The utility model further comprises a second guiding and positioning assembly, which comprises: two connecting plates provided on the first bearing plate, each of the connecting plates being provided with a row of first guiding rollers along the length direction; two I-shaped positioning strips respectively provided on the two sides of the second bearing plate, the first guiding rollers being rollably clamped in first positioning grooves formed between the I-shaped positioning strips and the connecting plates; the first guiding rollers and the I-shaped positioning strips being matched to guide and position the second bearing plate.

6. The three-stage telescopic structure for material grabbing according to claim 5, characterized in that, The utility model further comprises a third guiding and positioning mechanism, which comprises: two support vertical plates respectively provided on the two sides of the third bearing plate, each of the support vertical plates being provided with a row of second guiding rollers along the length direction, the second guiding rollers being rollably clamped in second positioning grooves formed between the I-shaped positioning strips and the support vertical plates; the second guiding rollers and the I-shaped positioning strips being matched to guide and position the third bearing plate.

7. The three-stage telescopic structure for material grabbing according to claim 1, characterized in that, An installation groove is provided on the second bearing plate, installation vertical plates are correspondingly provided on the two sides of the installation groove, a support shaft is connected between the two installation vertical plates, and the third gear is rotatably sleeved on the support shaft.

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