Multi-station pitch changing mechanism

Abstract

The utility model relates to the technical field of contact lens PP (polypropylene) cup processing, and particularly discloses a multi-station distance changing mechanism which comprises a fixed frame, a movable frame, bottom plates and suction nozzle seats, the fixed frame and the movable frame are oppositely arranged, the bottom plates are arranged at the bottoms of the fixed frame and the movable frame, a plurality of groups of suction nozzle seats are arranged on the bottom plates, and suction nozzle bodies are arranged on the suction nozzle seats; a station variable-pitch air cylinder is transversely installed on the fixed frame, and the output end of the station variable-pitch air cylinder is connected with the movable frame. Sliding table air cylinders are arranged on the fixed frame and the movable frame, cam groove plates are installed at the output ends of the sliding table air cylinders, cam groove holes corresponding to the suction nozzle bases are formed in the cam groove plates, and the side faces of the suction nozzle bases are clamped in the corresponding cam groove holes through cam rods; according to the utility model, the variable pitch of any point position can be realized, and variable pitch dimensions are diversified; the station variable pitch can be adjusted at will, the suction nozzles between the stations can also be changed at any distance, and a large amount of manufacturing cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of contact lens PP cup processing, in particular to a multi-station variable distance mechanism. Background Art

[0002] Contact lenses, also called contact lenses or contact glasses, refer to lenses worn on the cornea of ​​the eyeball to correct vision or protect the eyes. Cosmetic contact lenses are contact lenses. According to the hardness of the material, they include hard, semi-hard, and soft. Contact lenses not only bring great improvements to patients with refractive errors such as myopia, hyperopia, and astigmatism in terms of appearance and convenience. They also have a wide field of vision and realistic vision. In addition, they also play a special role in controlling the development of myopia and astigmatism in adolescents and treating special eye diseases.

[0003] The contact lens PP cup is a contact lens packaging box made of polypropylene. The main purpose of the contact lens PP cup is to be used as a packaging and storage container for contact lenses, especially cosmetic lenses. The existing contact lens PP cup is driven by equipment to change the distance and transplant it during processing to meet the processing needs; the existing equipment is generally inconvenient to adjust and the workstation is single, resulting in low processing efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-station variable distance mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-station variable distance mechanism, including a fixed frame, a movable frame, a base plate, and a nozzle seat, the fixed frame and the movable frame are arranged relatively to each other, the bottom of the fixed frame and the movable frame are both provided with a base plate, a plurality of groups of nozzle seats are provided on the base plate, and a nozzle body is provided on the nozzle seat; a station variable distance cylinder is horizontally installed on the fixed frame, and the output end of the station variable distance cylinder is connected to the movable frame; a slide cylinder is provided on the fixed frame and the movable frame, and a cam slot plate is installed on the output end of the slide cylinder, and a cam slot hole corresponding to the nozzle seat is provided on the cam slot plate, and the side surface of the nozzle seat is clamped in the corresponding cam slot hole through a cam rod.

[0006] Preferably, a linear guide rail parallel to the fixed frame and the movable frame is provided on the upper portion of the bottom plate, and the lower portion of the nozzle seat is clamped on the linear guide rail through a sliding block.

[0007] Preferably, guide rods are arranged in a rectangular array on one side of the fixed frame facing the movable frame, and guide cylinders are correspondingly arranged on the movable frame, and the guide rods cooperate to pass through the guide cylinders.

[0008] Preferably, the cam slot holes are symmetrically arranged on the cam slot plate about the middle surface of the cam slot plate, wherein the middle cam slot hole is arranged as a vertical structure, and the cam slot holes on both sides are composed of vertical slots and inclined slots.

[0009] Preferably, the cam rod is connected to the nozzle seat via a rotating shaft.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model realizes position adjustment through two sets of frames, and realizes the effect of driving the nozzle seat point to change the distance through the cam slot plate, and the distance change size is diversified, the station distance change can be adjusted arbitrarily, and the processing efficiency is effectively improved; it has many application occasions, can be used in light load and medium load occasions, and has strong overall rigidity. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0012] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0013] Numbers in the figure: 1. Fixed frame; 2. Mobile frame; 3. Bottom plate; 4. Nozzle seat; 5. Cam slot plate; 6. Slide cylinder; 7. Station variable pitch cylinder; 8. Linear guide rail; 9. Slider; 10. Cam slot hole; 11. Cam rod; 12. Nozzle body; 13. Guide rod; 14. Guide cylinder. DETAILED DESCRIPTION

[0014] 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.

[0015] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0016] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] See also Figure 1-2 The utility model provides a technical solution: a multi-station pitch-changing mechanism, comprising a fixed frame 1, a mobile frame 2, a bottom plate 3, and a nozzle seat 4, the fixed frame 1 and the mobile frame 2 are arranged relatively, the bottom of the fixed frame 1 and the mobile frame 2 are both provided with a bottom plate 3, a plurality of groups of nozzle seats 4 are provided on the bottom plate 3, and a nozzle body 12 is provided on the nozzle seat 4; a station pitch-changing cylinder 7 is horizontally installed on the fixed frame 1, and the output end of the station pitch-changing cylinder 7 is connected to the mobile frame 2; a slide cylinder 6 is provided on the fixed frame 1 and the mobile frame 2, and a cam slot plate 5 is installed on the output end of the slide cylinder 6, and a cam slot hole 10 corresponding to the nozzle seat 4 is provided on the cam slot plate 5, and the side of the nozzle seat 4 is clamped in the corresponding cam slot hole 10 through a cam rod 11.

[0018] Furthermore, a linear guide rail 8 parallel to the fixed frame 1 and the movable frame 2 is provided on the upper portion of the bottom plate 3 , and the lower portion of the nozzle holder 4 is engaged with and clamped on the linear guide rail 8 via a slide block 9 .

[0019] Furthermore, a guide rod 13 is provided in a rectangular array on one side of the fixed frame 1 facing the movable frame 2 , and a guide cylinder 14 is correspondingly provided on the movable frame 2 , and the guide rod 13 cooperates to pass through the guide cylinder 14 .

[0020] Furthermore, the cam slot holes 10 are symmetrically arranged on the cam slot plate 5 about the middle surface of the cam slot plate 5, wherein the middle cam slot hole 10 is arranged as a vertical structure, and the cam slot holes 10 on both sides are composed of vertical slots and inclined slots.

[0021] Furthermore, the cam rod 11 is connected to the nozzle holder 4 via a rotating shaft.

[0022] Working principle: In actual use, the fixed frame 1 and the mobile frame 2 are arranged opposite to each other, and the mobile frame 2 is driven to move by the work of the station variable distance cylinder 7; the mobile frame 2 is sleeved on the guide rod 13 of the fixed frame 1 through the guide cylinder 14 to ensure its moving direction, so that the fixed frame 1 and the mobile frame 2 can only move back and forth in one direction to avoid offset.

[0023] The fixed frame 1 and the movable frame 2 are both provided with a slide cylinder 6, which drives the cam slot plate 5 to move up and down. The cam slot plate 5 clamps the cam rod 11 through the cam slot hole 10. Therefore, when the cam slot plate 5 moves, the cam rod 11 needs to adapt to the state of the cam slot hole 10 to position the flat ring; the cam rod 11 is connected to the nozzle seat 4, and the nozzle seat 4 is clamped on the linear guide rail 8 through the slider 9, so that the nozzle seat 4 moves left and right on the linear guide rail 8 to achieve the effect of changing the work station; the nozzle seat 4 absorbs the contact lens PP cup through the nozzle body 12 to drive it to move.

[0024] According to the needs, the equipment can also be used for distance changing and transplanting of lithium batteries, 3C and lighter parts.

[0025] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Multi-station variable distance mechanism, characterized by: The invention comprises a fixed frame (1), a movable frame (2), a bottom plate (3), and a nozzle seat (4); the fixed frame (1) and the movable frame (2) are arranged opposite to each other; the bottom of the fixed frame (1) and the movable frame (2) are both provided with a bottom plate (3); a plurality of nozzle seats (4) are provided on the bottom plate (3); a nozzle body (12) is provided on the nozzle seat (4); a station variable pitch cylinder (7) is transversely installed on the fixed frame (1); the output end of the station variable pitch cylinder (7) is connected to the movable frame (2); the fixed frame (1) and the movable frame (2) are both provided with a slide cylinder (6); a cam slot plate (5) is installed on the output end of the slide cylinder (6); a cam slot hole (10) corresponding to the nozzle seat (4) is provided on the cam slot plate (5); and the side surface of the nozzle seat (4) is clamped in the corresponding cam slot hole (10) through a cam rod (11).

2. The multi-station variable distance mechanism according to claim 1, characterized in that: The upper part of the bottom plate (3) is provided with a linear guide rail (8) parallel to the fixed frame (1) and the movable frame (2), and the lower part of the suction nozzle seat (4) is clamped on the linear guide rail (8) through a sliding block (9).

3. The multi-station variable distance mechanism according to claim 1, characterized in that: A guide rod (13) is arranged in a rectangular array on one side of the fixed frame (1) facing the movable frame (2), and a guide cylinder (14) is correspondingly arranged on the movable frame (2), and the guide rod (13) cooperates to pass through the guide cylinder (14).

4. The multi-station variable distance mechanism according to claim 1, characterized in that: The cam slot holes (10) are symmetrically arranged on the cam slot plate (5) about the middle surface of the cam slot plate (5), wherein the middle cam slot hole (10) is arranged as a vertical structure, and the cam slot holes (10) on both sides are composed of vertical slots and inclined slots.

5. The multi-station variable distance mechanism according to claim 1, characterized in that: The cam rod (11) is connected to the suction nozzle seat (4) via a rotating shaft.

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