Automatic pitch changing mechanism

Abstract

The utility model discloses an automatic pitch changing mechanism which is formed by connecting a supporting piece and two layers of free pitch changing components in series, the two layers of free pitch changing components are arranged on the supporting piece, the supporting piece comprises a pitch changing installation base plate, bearing pieces are fixed to the periphery of the top end face of the pitch changing installation base plate, and each bearing piece is provided with a sliding piece; the first-layer free pitch changing component comprises a first linkage piece and a second linkage piece, wherein the first linkage piece is installed on the sliding piece located at the relative position; the automatic multi-group pitch changing mechanism can be used in production links of feeding, collecting, packaging, carrying and the like of products in automatic equipment in the polaroid industry, stable and uniform suction of a plurality of groups of polaroid products with different specifications and different sizes is carried out, and defective products caused by polaroids in each production link are avoided; the automatic multi-group pitch changing mechanism solves the problem of stably and uniformly sucking a plurality of groups of products with various specifications and sizes.

Description

Technical Field

[0001] The utility model belongs to the technical field of polarizing lens preparation, and in particular relates to an automatic distance-changing mechanism. Background Art

[0002] At present, in the production of automated equipment in the polarizer industry, when sucking polarizers of different specifications and sizes, the mechanism for changing the position spacing between the suction cups now adopts manual adjustment of the mechanism size to achieve spacing changes. However, the existing mechanism has a large structure, requires many driving mechanisms, has limited use space, and has great limitations in its own movement and adjustment. The compatible product types are limited, which seriously wastes production resources. At the same time, the different spacing changes have the problems of insufficient precision and long adjustment time, which affects the production performance and production efficiency benefits of the automated equipment. Utility Model Content

[0003] The utility model aims to provide an automated pitch-changing mechanism to solve the problems of the existing pitch-changing mechanism in the above-mentioned background technology, such as complex structure, low precision, cumbersome operation and low working efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an automatic pitch-changing mechanism, which is composed of a support member and two layers of free pitch-changing components arranged on the support member and connected in series:

[0005] The support member comprises a variable pitch mounting base plate, bearing members are fixed around the top surface of the variable pitch mounting base plate, and a sliding member is arranged on each bearing member;

[0006] The first layer of free pitch-variable components comprises:

[0007] A first linkage member is mounted on the sliding member at a relative position, and a first driving assembly for driving the first linkage member to move closer or apart along the X-axis is also provided on the side of the variable pitch mounting base plate;

[0008] The second layer of free pitch-variable components comprises:

[0009] The second linkage member is slidably mounted on the first linkage member and intersects the first linkage member at a right angle. The end of the variable-pitch mounting base plate is also provided with a second driving component that drives the second linkage member to move closer or apart along the Y axis.

[0010] Preferably, the bearing member is composed of a linkage slide rail 1, a linkage slide rail 2, a linkage slide rail 3, and a linkage slide rail 4 which are arranged around the top of the variable distance mounting base plate, and the sliding member includes two moving sliders 2 arranged on the linkage slide rail 1, two moving sliders 4 arranged on the linkage slide rail 2, a number of moving sliders 3 arranged on the linkage slide rail 3, and a number of moving sliders 1 arranged on the linkage slide rail 4; the linkage slide rail 1 is arranged opposite to the linkage slide rail 2 and is installed at both ends of the variable distance mounting base plate; the linkage slide rail 3 is arranged opposite to the linkage slide rail 4 and is installed on both sides of the variable distance mounting base plate.

[0011] Preferably, the first linkage member includes linkage beam one, linkage beam two, linkage beam three, linkage beam four, linkage beam five and linkage beam six, whose two ends are respectively slidably placed on linkage slide rail three and linkage slide rail four; a left-handed nut two is fixed to the end of the linkage beam three, and a right-handed nut two is fixed to the end of the linkage beam four, and the right-handed nut two and the left-handed nut two are transmission-connected with the first drive assembly; a series beam one and a series beam four are installed at both ends of the linkage beam one, linkage beam three and linkage beam five, and a series beam two and a series beam three are installed at both ends of the linkage beam two, linkage beam four and linkage beam six, respectively.

[0012] Preferably, it also includes a first driving component, which includes a second motor installed on a variable pitch mounting base plate, a second forward and reverse screw rod is installed on the output end of the second motor, and the second right-handed nut and the second left-handed nut are both transmission-connected to the second forward and reverse screw rod.

[0013] Preferably, a linkage slide rail five is also installed on the top of the linkage beam one, linkage beam two, linkage beam three, linkage beam four, linkage beam five, and linkage beam six, a movable slider five is installed on the linkage slide rail five, and a suction cup fixing component is fixed on the movable slider five, and a suction cup is installed on the bottom of the suction cup fixing component.

[0014] Preferably, the second linkage member includes a linkage slide rail 6 and a linkage slide rail 7, and a linkage crossbeam 8 and a linkage crossbeam 7 are respectively installed on the top of the linkage slide rail 6 and the linkage slide rail 7, and a movable slider 6 and a movable slider 7 are slidably installed on the bottom of the linkage slide rail 7 and the linkage slide rail 6, and the movable slider 6 and the movable slider 7 are reversely installed on the movable slider 5, and form a vertical cross member between the movable slider 5 and the second linkage member; a connecting block 3 and a connecting block 4 are installed on the movable slider 2, and a connecting block 1 and a connecting block 2 are installed on the movable slider 4, both ends of the linkage crossbeam 7 are installed on the connecting block 1 and the connecting block 3, and both ends of the linkage crossbeam 8 are installed on the connecting block 2 and the connecting block 4, a right-handed nut 1 is installed at the end of the connecting block 2, and a left-handed nut 1 is installed at the end of the connecting block 1, and the left-handed nut 1 and the right-handed nut 1 are connected to the second driving assembly.

[0015] Preferably, the second drive assembly includes a motor 1 installed at the end of a variable pitch mounting base plate, and a forward and reverse screw 1 is installed at the output end of the motor 1, and the forward and reverse screw 1 is transmission-connected to a left-handed nut 1 and a right-handed nut 1.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The automatic multi-group variable pitch mechanism of the utility model can be used in the production links such as feeding, collecting, packaging and handling of products in the automatic equipment of the polarizer industry, and can smoothly and evenly absorb multiple groups of polarizer products of different specifications and sizes, so as to avoid the generation of defective products caused by the polarizer in various production links; the automatic multi-group variable pitch mechanism solves the problem of stable and even absorption of multiple groups of products with multiple specifications and sizes, improves the production efficiency and the utilization rate of the automatic equipment, and improves many deficiencies in the existing equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the first linkage member of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation of linkage slide rail 6 and linkage slide rail 7 of the utility model;

[0021] Figure 4 This is a schematic diagram of the installation of linkage beam seven and linkage beam eight of the utility model;

[0022] Figure 5 It is a schematic diagram of the installation of linkage beam one, linkage beam two, linkage beam three, linkage beam four, linkage beam five and linkage beam six of the utility model.

[0023] In the figure: 1, linkage slide rail 1; 2, linkage slide rail 2; 3, linkage slide rail 3; 4, linkage slide rail 4; 5, positive and negative screw 1; 6, left-hand nut 1; 7, right-hand nut 1; 8, motor 1; 9, motor 2; 10, positive and negative screw 2; 11, right-hand nut 2; 12, left-hand nut 2; 13, moving slider 1; 14, moving slider 2; 15, moving slider 3; 16, moving slider 4; 17, variable pitch mounting base plate; 18, linkage beam 1; 19, linkage beam 2; 20, linkage beam 3; 21, linkage beam Beam four; 22, linkage beam five; 23, linkage beam six; 24, connecting block one; 25, connecting block two; 26, connecting block three; 27, connecting block four; 28, linkage slide rail five; 29, movable slider five; 30, suction cup fixing component; 31, suction cup; 32, serial beam one; 33, serial beam two; 34, serial beam three; 35, serial beam four; 36, linkage slide rail six; 37, linkage slide rail seven; 38, movable slider six; 39, movable slider seven; 40, linkage beam seven; 41, linkage beam eight. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 5 The utility model provides a technical solution: an automatic pitch-changing mechanism, which is composed of a support and two layers of free pitch-changing components arranged on the support in series:

[0026] The support member includes a variable pitch mounting base plate 17, on the top surface of which bearing members are fixed around the four sides, and is the main bearing part of the whole mechanism, and a sliding member is arranged on each bearing member;

[0027] The first layer of free pitch-variable components includes:

[0028] The first linkage member is mounted on the sliding member in a relative position, and the side of the variable pitch mounting base plate 17 is also provided with a first driving assembly that drives the first linkage member to move closer or apart along the X-axis, so as to realize the function of moving along the X-axis direction;

[0029] The second layer of free pitch-variable components includes:

[0030] The second linkage member is slidably mounted on the first linkage member and intersects the first linkage member at right angles to form vertical and horizontal position adjustment. The end of the variable pitch mounting base plate 17 is also provided with a second driving component that drives the second linkage member to move closer or apart along the Y axis.

[0031] In this embodiment, preferably, the bearing member is composed of a linkage slide rail 1, a linkage slide rail 2, a linkage slide rail 3, and a linkage slide rail 4, which are arranged around the top of the variable distance mounting base plate 17, and the sliding member includes two moving sliders 2 14 arranged on the linkage slide rail 1 1, two moving sliders 4 16 arranged on the linkage slide rail 2 2, a number of moving sliders 3 15 arranged on the linkage slide rail 3 3, and a number of moving sliders 13 arranged on the linkage slide rail 4 4, wherein the number of moving sliders 2 14 and moving sliders 3 15 corresponds; the linkage slide rail 1 1 is arranged opposite to the linkage slide rail 2 2, and are installed at both ends of the variable distance mounting base plate 17; the linkage slide rail 3 3 is arranged opposite to the linkage slide rail 4 4, and are installed on both sides of the variable distance mounting base plate 17.

[0032] In this embodiment, preferably, the first linkage member includes a linkage beam 18, a linkage beam 2 19, a linkage beam 3 20, a linkage beam 4 21, a linkage beam 5 22, and a linkage beam 6 23, both ends of which are respectively slidably placed on the linkage slide rail 3 3 and the linkage slide rail 4 4; a left-handed nut 2 12 is fixed to the end of the linkage beam 3 20, and a right-handed nut 2 11 is fixed to the end of the linkage beam 4 21, and the right-handed nut 2 11 and the left-handed nut 2 12 are transmission-connected with the first driving component, and the right-handed nut 2 11 and the left-handed nut 2 12 are driven by the first driving component to synchronously drive the linkage beam 3 20 and the linkage beam 4 21 to move laterally; a series beam 1 32 and a series beam 4 35 are installed at both ends of the linkage beam 18, the linkage beam 3 20 and the linkage beam 5 22, and the linkage beam 1 32 and the series beam 4 35 are connected by the series beam 1 32 and the series beam 4 35. 22 is fixed and realizes synchronous movement. After the linkage beam three 20 is driven by the first driving component, the linkage beam one 18 and the linkage beam five 22 will move together, and the two ends of the linkage beam two 19, the linkage beam four 21 and the linkage beam six 23 are respectively installed with the series beam two 33 and the series beam three 34. Similarly, the linkage beam two 19, the linkage beam four 21 and the linkage beam six 23 are fixed by the series beam two 33 and the series beam three 34 to realize synchronous movement. After the linkage beam four 21 is driven by the first driving component, the linkage beam two 19 and the linkage beam six 23 will move together. Since the right-handed nut two 11 and the left-handed nut two 12 have different rotation directions after being driven, the movement direction of the linkage beam two 19, the linkage beam four 21 and the linkage beam six 23 is close to or extended with the movement direction of the linkage beam one 18, the linkage beam three 20 and the linkage beam five 22.

[0033] In the present embodiment, preferably, it also includes a first driving member, which includes a motor 29 installed on a variable pitch mounting base plate 17, a forward and reverse screw 2 10 is installed on the output end of the motor 29, and a right-handed nut 2 11 and a left-handed nut 2 12 are both connected to the forward and reverse screw 2 10 in transmission, so as to realize transmission. A linkage rail 5 28 is also installed on the top of the linkage beam 1 18, the linkage beam 2 19, the linkage beam 3 20, the linkage beam 4 21, the linkage beam 5 22, and the linkage beam 6 23, and a movable slider 5 29 is installed on the linkage slide rail 5 28, and a suction cup fixing component 30 is fixed on the movable slider 5 29, and the movable slider 5 29 synchronously drives the suction cup fixing component 30 through the movement of the linkage slide rail 5 28, and the suction cup fixing component 30 drives the suction cup 31 to the specified position for suction processing, and a suction cup 31 is installed at the bottom of the suction cup fixing component 30.

[0034] In this embodiment, preferably, the second linkage member includes a linkage rail 6 36 and a linkage rail 7 37, and a linkage beam 8 41 and a linkage beam 7 40 are respectively installed on the top of the linkage rail 6 36 and the linkage rail 7 37, and a mobile slider 6 38 and a mobile slider 7 39 are slidably installed at the bottom of the linkage rail 7 37 and the linkage rail 6 36, and the mobile slider 6 38 and the mobile slider 7 39 are reversely installed on the mobile slider 5 29, and form a vertical cross member between the mobile slider 5 29 and the second linkage member to achieve vertical suction; a connecting block 3 26 and a connecting block 4 27 are installed on the mobile slider 2 14, and a connecting block 1 24 and a connecting block 25 are installed on the mobile slider 4 16, and both ends of the linkage beam 7 40 are installed on the connecting block 1 24 and the connecting block 3 26, and both ends of the linkage beam 8 41 are installed on the connecting block 25 and the connecting block 4 27, and the end of the connecting block 25 A right-handed nut 7 is installed at the top, and a left-handed nut 6 is installed at the end of the connecting block 24. During transmission, the left-handed nut 6 and the right-handed nut 7 are driven to move synchronously by the second driving assembly. Due to the different structural designs of the left-handed nut 6 and the right-handed nut 7, the two will rotate in opposite directions, so as to move the connecting block 24 and the connecting block 25 towards or away from each other, and cooperate with the linkage beam 18, the linkage beam 2 19, the linkage beam 3 20, the linkage beam 4 21, the linkage beam 5 22, and the linkage beam 6 23 to adjust the spacing. The left-handed nut 6 and the right-handed nut 7 are connected to the second driving assembly. The second driving assembly includes a motor 8 installed at the end of the variable pitch mounting base plate 17, and a forward and reverse screw 5 is installed at the output end of the motor 8. The forward and reverse screw 5 is transmission-connected with the left-handed nut 6 and the right-handed nut 7 to realize transmission in the Y-axis direction.

[0035] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic pitch-changing mechanism, characterized in that: The pitch-changing mechanism is composed of a support and two layers of free pitch-changing components arranged on the support in series: The support member comprises a variable pitch mounting base plate (17), bearing members are fixed around the top surface of the variable pitch mounting base plate (17), and a sliding member is arranged on each bearing member; The first layer of free pitch-variable components comprises: A first linkage member is mounted on a sliding member in a relative position, and a first driving component for driving the first linkage member to move closer or apart along the X-axis is also arranged on a side of the variable pitch mounting base plate (17); The second layer of free pitch-variable components comprises: The second linkage member is slidably mounted on the first linkage member and intersects the first linkage member at a right angle. The end of the variable distance mounting base plate (17) is also provided with a second driving component for driving the second linkage member to move closer or apart along the Y axis.

2. The automatic pitch-changing mechanism according to claim 1, characterized in that: The bearing member is composed of a linkage slide rail one (1), a linkage slide rail two (2), a linkage slide rail three (3), and a linkage slide rail four (4) arranged around the top of a variable pitch mounting base plate (17), and the sliding member includes two movable sliders two (14) arranged on the linkage slide rail one (1), two movable sliders four (16) arranged on the linkage slide rail two (2), a plurality of movable sliders three (15) arranged on the linkage slide rail three (3), and a plurality of movable sliders one (13) arranged on the linkage slide rail four (4); the linkage slide rail one (1) is arranged opposite to the linkage slide rail two (2) and is installed at both ends of the variable pitch mounting base plate (17); the linkage slide rail three (3) is arranged opposite to the linkage slide rail four (4) and is installed on both sides of the variable pitch mounting base plate (17).

3. An automatic pitch-changing mechanism according to claim 2, characterized in that: The first linkage member comprises a linkage beam 1 (18), a linkage beam 2 (19), a linkage beam 3 (20), a linkage beam 4 (21), a linkage beam 5 (22) and a linkage beam 6 (23), the ends of which are respectively slidably placed on linkage slide rail 3 (3) and linkage slide rail 4 (4); a left-handed nut 2 (12) is fixed at the end of the linkage beam 3 (20), and a right-handed nut 2 (11) is fixed at the end of the linkage beam 4 (21); the right-handed nut 2 (11) and the left-handed nut 2 (12) are transmission-connected to the first drive assembly; a series beam 1 (32) and a series beam 4 (35) are installed at the ends of the linkage beam 1 (18), the linkage beam 3 (20) and the linkage beam 5 (22), and a series beam 2 (33) and a series beam 3 (34) are installed at the ends of the linkage beam 2 (19), the linkage beam 4 (21) and the linkage beam 6 (23).

4. The automatic pitch-changing mechanism according to claim 3, characterized in that: The invention also comprises a first driving member, which comprises a second motor (9) mounted on a variable pitch mounting base plate (17), a second forward and reverse screw rod (10) being mounted on the output end of the second motor (9), and the second right-handed nut (11) and the second left-handed nut (12) being transmission-connected to the second forward and reverse screw rod (10).

5. The automatic pitch-changing mechanism according to claim 3, characterized in that: A linkage rail five (28) is also installed on the top of the linkage beam one (18), the linkage beam two (19), the linkage beam three (20), the linkage beam four (21), the linkage beam five (22), and the linkage beam six (23), and a movable slider five (29) is installed on the linkage rail five (28), and a suction cup fixing component (30) is fixed on the movable slider five (29), and a suction cup (31) is installed on the bottom of the suction cup fixing component (30).

6. The automatic pitch-changing mechanism according to claim 5, characterized in that: The second linkage member comprises a linkage slide rail six (36) and a linkage slide rail seven (37), and a linkage crossbeam eight (41) and a linkage crossbeam seven (40) are respectively installed on the top of the linkage slide rail six (36) and the linkage slide rail seven (37), and a moving slider six (38) and a moving slider seven (39) are slidably installed on the bottom of the linkage slide rail seven (37) and the linkage slide rail six (36), and the moving slider six (38) and the moving slider seven (39) are reversely installed on the moving slider five (29) and form a vertical cross member between the moving slider five (29) and the second linkage member; the moving slider two (14) A connecting block three (26) and a connecting block four (27) are installed on the movable slider four (16), and a connecting block one (24) and a connecting block two (25) are installed on the movable slider four (16), the two ends of the linkage beam seven (40) are installed on the connecting block one (24) and the connecting block three (26), and the two ends of the linkage beam eight (41) are installed on the connecting block two (25) and the connecting block four (27), the end of the connecting block two (25) is installed with a right-handed nut one (7), and the end of the connecting block one (24) is installed with a left-handed nut one (6), and the left-handed nut one (6) and the right-handed nut one (7) are connected to the second driving component.

7. The automatic pitch-changing mechanism according to claim 6, characterized in that: The second driving assembly comprises a motor (8) mounted at the end of a variable pitch mounting base (17), a forward and reverse screw (5) being mounted at the output end of the motor (8), and the forward and reverse screw (5) being in driving connection with a left-handed nut (6) and a right-handed nut (7).

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