CN219078411U - Contact lens pad printing discharging device - Google Patents

Abstract

The utility model provides a transfer printing and discharging device for a contact lens, which comprises a discharging table and a rack with a window, wherein the discharging table is connected to a transfer printing machine, and the discharging table extends out of the rack through the window and also comprises a tray, a tray adjusting mechanism and a receiving tray. One end of the tray is hinged on the frame, and in the discharging process, the tray adjusting mechanism controls the tray to be horizontally butted and separated with the discharging table of the receiving tray along with the discharging deflector rod. The contact lens can be smoothly moved into the receiving tray, and the contact lens can be easily detached from the tray in a sliding way after the receiving tray is full of the contact lens, and the receiving tray can be replaced with a new receiving tray. The phenomena of base toppling, rolling and the like in the transferring process are greatly reduced, the rejection rate of products is reduced, and the production cost is greatly reduced.

Description

Contact lens pad printing discharging device

Technical Field

The utility model belongs to the technical field of contact lens discharging, and particularly relates to a contact lens pad printing discharging device.

Background

The most important step in the production process of colored contact lenses is to print a pattern on the lenses, and the quality of the pattern determines the quality and market prospect of the colored contact lenses. The methods of printing patterns on contact lenses are varied, the most common being pad printing processes. During the production process, the contact lens needs to be printed, and the printed contact lens is transferred to a discharge tray for preparation for subsequent processes.

In the transfer process, a mechanical arm is used to transfer the base with the finished printed lenses to the discharge chute, and then a mechanical push rod reciprocating on the discharge chute pushes the lens base to the discharge tray. Because there is less height fall between discharge plate and the blown down tank at the in-process that shifts to the discharge plate, phenomenon such as toppling over, rolling take place easily for the lens base, causes the damage to stamp on the lens, leads to the product to appear the flaw and scrap.

Disclosure of Invention

Aiming at the problem that the base provided with the lenses is easy to topple and roll to cause damage and rejection of printing products when the printed lenses are transferred in the prior process of producing the colored contact lenses, the utility model provides the transfer printing discharging device for the contact lenses, which can greatly reduce phenomena of toppling and rolling of the base in the transfer process, reduce the rejection rate of the products and greatly reduce the production cost.

The utility model discloses a transfer printing discharging device for a contact lens, which comprises a discharging table connected to a transfer printing machine, a rack with a window, a tray adjusting mechanism and a receiving tray, wherein the discharging table penetrates through the window and extends out of the rack, one end of the tray is hinged to the rack, the receiving tray is installed on the tray in a matched mode, a discharging channel is arranged on the discharging table, a deflector rod is arranged on the side wall of the discharging channel, the deflector rod is connected with a driving device, the driving device can drive the deflector rod to reciprocate along the discharging channel, the tray adjusting mechanism comprises an eccentric roller and a spring telescopic rod, the eccentric roller is longitudinally and rotatably installed below the tray, a fixed shaft is arranged at the position, far away from a central rotating shaft, of the left end and the right end of the eccentric roller, one end of the spring telescopic rod is sleeved on the fixed shaft, the other end of the spring telescopic rod is connected to the driving device of the deflector rod, the spring telescopic rod can reciprocate along with the reciprocating movement of the deflector rod, the eccentric roller pushes and drives the tray to reciprocate, the receiving tray is controlled to horizontally abut against and separate with the discharging table, and the spring telescopic rod is kept in a state of not being in a state of being large in a retraction resistance of the state.

Specifically, the tray is hinged with the frame through the tray connecting rod, one end of the tray is rotationally fixed on the tray connecting rod through the pin shaft, and the other end of the tray connecting rod extends upwards and is fixed on the frame.

Specifically, the upper surface of tray is provided with the recess, connects the charging tray bottom to be provided with the lug that matches of recess on the tray, connects the lug of charging tray bottom to match and install in the recess of tray.

Specifically, the eccentric roller is installed below the tray through the dead lever, and the center pivot both ends of eccentric roller are articulated on the dead lever through the round pin axle respectively, and the other end of dead lever upwards extends to be fixed in the bottom surface of ejection of compact platform.

Specifically, the spring telescopic rod is hinged and fixed on a driving device of the deflector rod through a pin shaft.

The utility model has the beneficial effects that:

the utility model relates to a transfer printing discharging device for a contact lens, which has a unique and ingenious structure, and comprises a discharging table and a rack with a window, wherein the discharging table is connected to a transfer printing machine, and the discharging table extends out of the rack through the window and further comprises a tray, a tray adjusting mechanism and a receiving tray.

Wherein, the one end of tray articulates in the frame, and the receiving tray matches and installs on the tray. The discharging table is provided with a discharging channel, the side wall of the discharging channel is provided with a deflector rod, the deflector rod is connected with a driving device, and the driving device can drive the deflector rod to reciprocate along the discharging channel. The tray adjusting mechanism comprises an eccentric roller and a spring telescopic rod, the eccentric roller is longitudinally and rotatably arranged below the tray, a fixed shaft is arranged at the position, away from the central rotating shaft, of the left end and the right end of the eccentric roller, one end of the spring telescopic rod is sleeved on the fixed shaft, the other end of the spring telescopic rod is connected to a driving device of a deflector rod, the spring telescopic rod can reciprocate along with the reciprocating movement of the deflector rod to push and pull the eccentric roller to reciprocate, so that the eccentric roller pushes the tray to reciprocate, and the receiving tray is controlled to horizontally butt-joint and separate from the discharging table. The spring telescopic rod keeps an extending state in an unstressed state, and the retraction resistance of the spring telescopic rod is larger than the rotation resistance of the eccentric roller. When the discharging is started, the driving device of the deflector rod moves towards the front end direction of the discharging channel, the spring telescopic rod can move along with the deflector rod to push and pull the eccentric roller to rotate anticlockwise, so that the eccentric roller pushes the tray to rotate anticlockwise, and the receiving tray is controlled to be horizontally butted with the discharging table. At this time, the material receiving tray is level with the discharging channel, so that the contact lens can be smoothly moved into the material receiving tray. At this time, because the retraction resistance of the spring telescopic rod is larger than the rotation resistance of the eccentric roller, the eccentric roller starts to rotate anticlockwise when the deflector rod moves towards the front end direction of the discharging channel, and the spring telescopic rod retracts after the eccentric roller drives the receiving tray on the tray to horizontally butt against the discharging platform. The receiving tray can be horizontally abutted with the contact lens before the contact lens moves to the front end of the discharging channel, so that phenomena of toppling, rolling and the like of the base in the transferring process are greatly reduced, the rejection rate of products is reduced, and the production cost is greatly reduced.

After the push is finished once, the deflector rod is reset, the eccentric roller and the spring telescopic rod are driven to reset, at the moment, the tray and the receiving tray slowly recover the outer end to be inclined downwards, the contact lens in the receiving tray slides to the outer end of the receiving tray under the action of gravity, and after the receiving tray is full of the contact lens, the contact lens can be easily slid and detached from the tray and replaced with a new receiving tray.

Drawings

FIG. 1 is a side view of a contact lens pad printing output

FIG. 2 is a side view of another embodiment of a contact lens transfer printing discharge apparatus

FIG. 3 is a top view of a contact lens pad printing discharge device

Fig. 4 is a schematic structural view of the tray adjusting mechanism

Reference numerals in the drawings: the automatic feeding device comprises a discharging table 1, a discharging channel 2, a deflector rod 3, a tray 4, a frame 5, a receiving tray 6, an eccentric roller 7, a spring telescopic rod 8, a fixed rod 9 and a tray connecting rod 10.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.

Example 1:

the utility model relates to a transfer printing and discharging device for a contact lens, which has a unique and exquisite structure, and comprises a discharging table 1 and a frame 5 with a window, wherein the discharging table 1 is connected to a transfer printing machine, the frame 5 extends out of the discharging table 1 through the window, and the transfer printing and discharging device also comprises a tray 4, a tray adjusting mechanism and a receiving tray 6. As shown in fig. 3, one end of the tray 4 is hinged on the frame 5, specifically, the tray 4 is hinged with the frame 5 through a tray connecting rod 10, one end of the tray 4 is rotatably fixed on the tray connecting rod 10 through a pin, and the other end of the tray connecting rod 10 extends upwards and is fixed on the frame 5. The tray 4 is installed in a matching manner to the receiving tray 6, specifically, a groove is formed in the upper surface of the tray 4, a protruding block matched with the groove on the tray 4 is arranged at the bottom of the receiving tray 6, and the protruding block at the bottom of the receiving tray 6 is installed in the groove of the tray 4 in a matching manner.

The discharging table 1 is provided with a discharging channel 2, the side wall of the discharging channel 2 is provided with a deflector rod 3, the deflector rod 3 is connected with a driving device, and the driving device can drive the deflector rod 3 to reciprocate along the discharging channel 2. As shown in fig. 4, the tray adjusting mechanism comprises an eccentric roller 7 and a spring telescopic rod 8, the eccentric roller 7 is longitudinally and rotatably installed below the tray 4, a fixed shaft is arranged at the position, away from the central rotating shaft, of the left end and the right end of the eccentric roller 7, one end of the spring telescopic rod 8 is sleeved on the fixed shaft, the other end of the spring telescopic rod is connected to a driving device of the deflector rod 3, the spring telescopic rod 8 can push and pull the eccentric roller to reciprocally rotate along with the reciprocal movement of the deflector rod 3, so that the eccentric roller pushes the tray 4 to reciprocally rotate, the receiving tray 6 is controlled to horizontally abut against and separate from the discharging table 1, and the spring telescopic rod 8 keeps an extending state in an unstressed state and has retraction resistance larger than the rotation resistance of the eccentric roller 7. Specifically, the eccentric roller 7 is installed below the tray through the fixed rod 9, two ends of a central rotating shaft of the eccentric roller 7 are respectively hinged to the fixed rod 9 through pin shafts, and the other end of the fixed rod 9 extends upwards to be fixed on the bottom surface of the discharging table 1. The spring telescopic rod 8 is hinged and fixed on a driving device of the deflector rod 3 through a pin shaft.

When discharging, the mechanical arm of the production line transfers the base provided with the contact lens subjected to the printing process to the discharging channel 2 of the discharging table 1, and the contact lens is pushed to the receiving tray 6 by the driving device of the deflector rod 3 to move back and forth along the discharging channel 2.

In the initial state, as shown in fig. 1, the deflector rod 3 and the driving device thereof are positioned at the rear end of the discharging channel 2, at the moment, the spring telescopic rod 8 is in an unaccepted state and is kept in an extended state, at the moment, the eccentric roller 7 is in a state as shown in fig. 1, the receiving tray 6 is separated from the discharging table 1, and the tray 4 and the outer end of the receiving tray 6 arranged on the deflector rod are inclined downwards.

When discharging begins, as shown in fig. 2, the driving device of the deflector rod 3 moves towards the front end direction of the discharging channel 2, the spring telescopic rod 8 can move along with the deflector rod 3 to push and pull the eccentric roller 7 to rotate anticlockwise, so that the eccentric roller pushes against the tray 4 to rotate anticlockwise, and the receiving tray 6 is controlled to be horizontally butted with the discharging table 1. At this time, the material receiving tray 6 is flush with the discharging channel 2, so that the contact lens can be smoothly moved into the material receiving tray 6. At this time, because the retraction resistance of the spring telescopic rod 8 is greater than the rotation resistance of the eccentric roller 7, the eccentric roller 7 starts to rotate anticlockwise when the deflector 3 moves towards the front end direction of the discharging channel 2, and the spring telescopic rod 8 retracts after the eccentric roller 7 drives the receiving disc 6 of the tray 4 to horizontally butt-joint with the discharging platform 1. The process can ensure that the receiving tray 6 is horizontally butted with the contact lens before the contact lens moves to the front end of the discharging channel 2, so that phenomena of base toppling, rolling and the like in the transferring process are greatly reduced, the rejection rate of products is reduced, and the production cost is greatly reduced.

After the push-up is completed once, the deflector rod 3 is reset, the eccentric roller 7 and the spring telescopic rod 8 are driven to reset, at the moment, the tray 4 and the receiving tray 6 slowly recover to the outer end downward inclined state, and the contact lens in the receiving tray 6 slides to the outer end of the receiving tray 6 under the action of gravity. The upper surface of tray 4 is provided with the recess, connects tray 6 bottom to be provided with tray 4 on recess matched lug, connects the lug of tray 6 bottom to match and installs in tray 4's recess, behind receiving tray 6 flourishing contact lens, can dismantle and change new receiving tray 6 from the side very conveniently.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims (5)

1. The utility model provides a contact lens pad printing discharging device, includes discharge table (1) and frame (5) of taking the window of connecting on the pad printing machine, discharge table (1) pass window and extend frame (5), its characterized in that still includes tray (4), tray adjustment mechanism and connects charging tray (6), the one end of tray (4) articulates on frame (5), connect charging tray (6) to match and install on tray (4), be provided with discharge channel (2) on discharge table (1), the lateral wall of discharge channel (2) is provided with driving lever (3), driving lever (3) are connected with drive arrangement, drive arrangement can order about driving lever (3) along discharge channel (2) reciprocating motion, tray adjustment mechanism includes eccentric roller (7) and spring telescoping rod (8), eccentric roller (7) longitudinal rotation installs in the below of tray (4), and the left and right sides both ends of eccentric roller (7) keep away from its central pivot department is provided with the fixed axle, the suit of spring telescoping rod (8) is in the other end of being connected with discharge channel (3) and is connected with drive arrangement on discharge channel (3) and make eccentric roller (6) rotate reciprocally and push-pull rod (3) and make reciprocally move reciprocally and push-pull rod (6) rotate reciprocally, the spring telescopic rod (8) is kept in an extension state in an unstressed state, and the retraction resistance of the spring telescopic rod is larger than the rotation resistance of the eccentric roller (7).

2. The transfer printing and discharging device for the contact lens according to claim 1, wherein the tray (4) is hinged with the frame (5) through a tray connecting rod (10), one end of the tray (4) is rotationally fixed on the tray connecting rod (10) through a pin shaft, and the other end of the tray connecting rod (10) extends upwards and is fixed on the frame (5).

3. The contact lens transfer printing discharge device according to claim 1, wherein the upper surface of the tray (4) is provided with a groove, the bottom of the receiving tray (6) is provided with a bump matched with the groove on the tray (4), and the bump at the bottom of the receiving tray (6) is installed in the groove of the tray (4) in a matched manner.

4. The transfer printing and discharging device for the contact lens according to claim 1, wherein the eccentric roller (7) is arranged below the tray through a fixing rod (9), two ends of a central rotating shaft of the eccentric roller (7) are respectively hinged on the fixing rod (9) through pin shafts, and the other end of the fixing rod (9) extends upwards to be fixed on the bottom surface of the discharging table (1).

5. A contact lens pad printing discharge device according to claim 1, characterized in that the spring telescopic rod (8) is hinged and fixed on the driving device of the deflector rod (3) through a pin shaft.

Images