CN212147910U - A screen frame vertical lift printing machine - Google Patents

Abstract

The utility model discloses a screen frame vertical lifting type decorating machine, which comprises a frame (1), wherein a lifting table (2) is vertically and slidably connected on the frame (1), and a vertical lifting device is connected between the lifting table (2) and the frame (1); a screen frame fixing seat (3) is fixed on the lifting platform (2), a horizontal printing arm (4) is arranged above the screen frame fixing seat (3), one end of the printing arm (4) is fixed on the lifting platform (2), and a connector (5) is fixed at the bottom of the other end of the printing arm (4); a horizontally arranged screen frame (6) is fixed between the connector (5) and the screen frame fixing seat (3), and a bedplate (7) connected to the frame (1) is arranged below the screen frame (6). The utility model discloses not only can conveniently adjust, still have that regulation efficiency is higher, production efficiency is higher, the counterpoint precision is higher, intensity of labour is lower and adjust the higher advantage of precision.

Description

A screen frame vertical lift printing machine

technical field

The utility model relates to a printing machine, in particular to a screen frame vertical lifting type printing machine.

Background technique

At present, the printing arms of common printing machines on the market are directly hinged on the frame, and the lifting of the printing arm is controlled by connecting a lift cylinder between the top middle of the printing arm and the frame; while the screen frame is directly fixed It is connected to the adjustment devices at both ends of the bottom surface of the printing arm, and the distance between the screen frame and the platen is adjusted by twisting the adjusting screws on the adjusting devices at the front and rear ends of the screen frame. When the screen frame is large, it is difficult for the staff to directly adjust the adjustment device close to the inside of the frame, and the operation is more troublesome; and when the thickness of the product to be printed changes, the staff needs to manually adjust the adjustment screws on the two adjustment devices (ie Adjust the screen distance between the screen frame and the platen), the adjustment operation is more troublesome and the adjustment efficiency is low, which seriously affects the production efficiency of the printing machine; in addition, when the printed product is larger, a larger screen frame and a longer When the printing arm hinged on the frame tilts and lifts the screen frame, the end of the screen frame that is far from the hinge position of the printing arm is easy to shake, and the screen frame needs to be lifted for each printing operation, resulting in the alignment of the screen frame. Bit precision is lower. Therefore, the existing printing machines have the problems of troublesome adjustment operation, low adjustment efficiency, low production efficiency and low alignment accuracy.

Utility model content

The purpose of the utility model is to provide a screen frame vertical lift type printing machine. The utility model not only can be adjusted conveniently, but also has the advantages of higher adjustment efficiency, higher production efficiency and higher alignment accuracy.

The technical scheme of the utility model is as follows: a screen frame vertical lifting printing machine, comprising a frame, a lifting platform is vertically slidably connected to the frame, and a vertical lifting device is connected between the lifting platform and the frame; There is a screen frame fixing seat, a horizontal printing arm is arranged above the screen frame fixing seat, one end of the printing arm is fixed on the lifting platform, and the bottom of the other end of the printing arm is fixed with a connecting head; between the connecting head and the screen frame fixing seat A horizontally arranged screen frame is fixed, and a platen connected to the rack is arranged below the screen frame.

In the aforesaid screen frame vertical lifting printing machine, a vertically arranged guide rail is fixed on the frame, a sliding block is fixed at a position corresponding to the guide rail on the lifting platform, and the sliding block and the guide rail are arranged in a sliding and clamping manner.

In the above-mentioned screen frame vertical lifting printing machine, the vertical lifting device includes a motor fixed on the frame, and the motor is connected with a screw rod arranged vertically; the position corresponding to the screw rod on the lifting platform A lead screw nut is fixed at the place, and the lead screw nut is threadedly connected with the lead screw.

In the aforesaid screen frame vertical lifting printing machine, the end of the printing arm and the lifting platform are hingedly arranged, and a lifting arm cylinder is connected between the middle position of the top surface of the printing arm and the top of the lifting platform, and the lifting arm is connected. Both ends of the cylinder are hinged with the printing arm and the lifting table respectively.

In the above-mentioned screen frame vertical lifting type printing machine, one side of the screen frame fixing seat is a vertical alignment surface, and one side surface of the screen frame is arranged in close contact with the alignment surface.

In the above-mentioned screen frame vertical lifting printing machine, a rotating shaft is fixed on the screen frame fixing seat, a support rod is fixed at one end of the rotating shaft, a telescopic cylinder is hinged on the support rod, and the telescopic cylinder is hinged on the lifting platform; A rotating piece is sleeved, a clamping block is slidably connected on the rotating piece, and a spring is connected at the position of the sliding connection.

In the aforesaid screen frame vertical lift printing machine, the outer surface of the rotating shaft is provided with a horizontal limiter; , a torsion spring is arranged at the connection position between the fixed seat and the connecting piece; the clamping block is slidably connected on the connecting piece.

In the aforesaid screen frame vertical lifting printing machine, the card block includes a connecting plate and a card plate, the connecting plate and the card plate are fixedly connected, and the angle formed between the connecting plate and the card plate is greater than 60 degrees and less than 90 degrees; The plate is slidably connected with the rotating member.

In the above-mentioned screen frame vertical lifting type printing machine, a fixing screw is connected to the screen frame fixing seat, and a vertically arranged eccentric shaft is rotatably sleeved outside the fixing screw; one side of the eccentric shaft is fixed on the screen frame. The vertical rod screw on the fixed seat is sleeved with a torsion spring rod; the screen frame includes a screen frame main body and a positioning piece fixed on the screen frame main body, and the positioning piece is arranged on the torsion spring rod and the eccentric shaft. In between, the side of the reclining piece close to the eccentric shaft is a vertical surface, and the end of the locating piece close to the side of the torsion spring rod is an inclined surface.

In the above-mentioned screen frame vertical lift type printing machine, a support plate is fixed at the bottom end of the screen frame fixing seat.

Compared with the prior art, the utility model improves the existing printing machine. By fixing the screen frame fixing seat and the printing arm on the lifting platform, the screen frame is horizontally fixed between the connecting head of the fixing seat and the printing arm. The vertical lifting device on the rack drives the lifting table to move up and down, thereby changing the vertical distance between the screen frame and the platen on the rack, the adjustment operation is more convenient, and the adjustment efficiency is high; the machine stops during the entire adjustment process. The time is short and the production efficiency is high; and the screen frame is kept horizontal when it is lifted up and down, the two ends are evenly stressed and not easy to shake, and the alignment accuracy is high. In addition, in the utility model, a vertically arranged guide rail is fixed on the frame, and the sliding block on the lifting platform cooperates with the guide rail to slide and clamp, and the sliding block and the guide rail are mutually limited to ensure that the lifting platform can be in a vertical direction relative to the frame. The vertical lifting device includes a motor fixed on the frame (the motor can be a servo motor), and the screw on the motor and the screw nut on the lifting platform are threadedly connected. The rotation of the motor is precisely controlled to drive the lifting platform to move vertically relative to the frame, with high control accuracy and greatly reducing the labor intensity of the staff; one end of the printing arm is hinged on the lifting platform, and one end of the screen frame is fixed by a connector On the printing arm, the arm lift cylinder on the printing arm can drive one end of the screen frame to be lifted through the printing arm, so as to facilitate the disassembly and assembly of the screen frame on the screen frame fixing seat (only when the screen frame is installed or removed, the The arm will be lifted, and the printing arm will not be lifted during the general printing operation); one side of the screen frame fixing seat is a vertical alignment surface, and the screen frame is horizontal by attaching one side of the screen frame to the alignment surface. Setting; the telescopic cylinder drives the rotating shaft to rotate through the support rod, so that the rotating member on the rotating shaft is driven to rotate synchronously, and the clamping block on the rotating member slides relative to the rotating member after contacting the screen frame, the spring is compressed when sliding, and the sliding block can be Under the action of the spring restoring force, the screen frame is pulled towards and close to the alignment surface to ensure the installation stability of the screen frame; the outer surface of the rotating shaft is provided with a horizontal limiter (the limiter can be a raised edge , it can also be a concave chute), the fixed seat on the rotating part is sleeved on the rotating shaft, the fixed seat can move axially along the rotating shaft, and can rotate synchronously when the rotating shaft rotates, so as to adapt to various sizes of nets Tension and alignment of the frame; when the fixed seat rotates, it can drive the connecting piece and the block on the connecting piece to move synchronously. Pressed on the support plate, the screen frame is not easy to shake, and the alignment accuracy is ensured; the clamping block includes a connecting plate and a clamping plate, and the angle formed between the two is greater than 60 degrees and less than 90 degrees, so that when the clamping block is buckled on the screen frame , the card plate can press the screen frame to the alignment surface; the screen frame fixing seat is connected with a fixing screw, the fixing screw is rotated and sleeved with a vertical eccentric shaft, one side of the eccentric shaft is provided with a vertical rod screw, the vertical rod The screw jacket is connected with a torsion spring rod, and the direction of the elastic force on the torsion spring rod is to drive the torsion spring rod close to the eccentric shaft, so that the seat piece on the main body of the screen frame can be clamped between the torsion spring rod and the eccentric shaft, preventing the screen frame Move to both sides to limit the left and right positions of the screen frame on the alignment surface; the side of the position piece close to the eccentric shaft is a vertical surface, and the end of the side close to the torsion spring rod is an inclined surface, and the side of the position piece is close to the eccentric shaft. It is easier to be stuck between the torsion spring rod and the eccentric shaft; and the left and right positions of the seat pieces on the screen frame fixing seat can be easily adjusted through the rotation of the eccentric shaft, thereby changing the left and right positions of the screen frame relative to the platen; the screen frame is fixed A support plate is fixed at the bottom end of the seat, and the support plate can hold up one end of the screen frame to prevent the screen frame from tilting before the block is clamped to the screen frame. Therefore, the utility model can not only facilitate adjustment, but also has the advantages of higher adjustment efficiency, higher production efficiency, higher alignment accuracy, lower labor intensity and higher adjustment accuracy.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the structural representation of the rack;

Fig. 3 is the structural representation of the lifting platform;

Fig. 4 is the structural representation at the screen frame fixing seat position;

Figure 5 is a cross-sectional view of the screen frame fixing seat corresponding to the position of the eccentric shaft;

Figure 6 is an exploded view of the rotating part and the clamping block;

Fig. 7 is the structural representation of screen frame;

FIG. 8 is a schematic diagram of the structure of the position piece.

The marks in the drawings are: 1-frame, 2-lifting table, 3-screen frame fixing seat, 4-printing arm, 5-connecting head, 6-screen frame, 7-table board, 8-guide rail, 9- Slider, 10-motor, 11-screw, 12-screw nut, 13-lifting arm cylinder, 14-alignment surface, 15-rotating shaft, 16-support rod, 17- telescopic cylinder, 18-rotating piece, 19 -Clamp block, 20-spring, 21-fixed seat, 22-connector, 23-torsion spring, 24-connection plate, 25-card plate, 26-eccentric shaft, 27-vertical screw, 28-torsion spring rod, 29-screen frame body, 30-position piece, 31-vertical surface, 32-inclined surface, 33-supporting plate, 34-fixing screw.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present utility model.

Example. A screen frame vertical lifting printing machine, as shown in Figures 1 to 8, includes a frame 1, a lifting platform 2 is vertically slidably connected to the frame 1, and a vertical lifting platform 2 is connected between the lifting platform 2 and the frame 1. Lifting device; a screen frame fixing seat 3 is fixed on the lifting platform 2, a horizontal printing arm 4 is arranged above the screen frame fixing seat 3, one end of the printing arm 4 is fixed on the lifting platform 2, and the bottom of the other end of the printing arm 4 is A connecting head 5 is fixed; a horizontally arranged screen frame 6 is fixed between the connecting head 5 and the screen frame fixing base 3 , and a table 7 connected to the frame 1 is arranged below the screen frame 6 .

A vertically arranged guide rail 8 is fixed on the rack 1, and a slider 9 is fixed at a position corresponding to the guide rail 8 on the lifting platform 2, and the slider 9 cooperates with the guide rail 8 to slide and snap together; the vertical lifting device includes The motor 10 is fixed on the frame 1, and the motor 10 is connected with a screw rod 11 arranged vertically; a screw nut 12 is fixed at the position corresponding to the screw rod 11 on the lifting platform 2, and the screw nut 12 is connected with the screw rod 11. The rod 11 is threadedly connected; the end of the printing arm 4 and the lifting platform 2 are hingedly arranged, and a lifting arm cylinder 13 is connected between the position of the middle of the top surface of the printing arm 4 and the top of the lifting platform 2. The two ends are hinged with the printing arm 4 and the lifting platform 2 respectively; one side of the screen frame fixing seat 3 is a vertical alignment surface 14, and one side of the screen frame 6 is arranged in close contact with the alignment surface 14; A rotating shaft 15 is fixed on the screen frame fixing base 3, a support rod 16 is fixed on one end of the rotating shaft 15, a telescopic cylinder 17 is hinged on the support rod 16, and the telescopic cylinder 17 is hinged on the lifting platform 2; the rotating shaft 15 is sleeved with a rotating piece 18. A clamping block 19 is slidably connected to the rotating member 18, and a spring 20 is connected to the position of the sliding connection; the outer surface of the rotating shaft 15 is provided with a horizontal limiting member; The fixing seat 21 on the upper part, the fixing seat 21 is rotatably connected with a connecting piece 22, and a torsion spring 23 is provided at the connection position of the fixing seat 21 and the connecting piece 22; the clamping block 19 is slidably connected to the connecting piece 22; The block 19 includes a connecting plate 24 and a clamping plate 25, the connecting plate 24 and the clamping plate 25 are fixedly connected, and the angle formed between the connecting plate 24 and the clamping plate 25 is greater than 60 degrees and less than 90 degrees; the connecting plate 24 is slidably connected with the rotating member 18; The screen frame fixing seat 3 is connected with a fixing screw 34, and the fixing screw 34 is rotatably connected with a vertically arranged eccentric shaft 26; one side of the eccentric shaft 26 is provided with a vertical rod screw fixed on the screen frame fixing seat 3 27. A torsion spring rod 28 is sleeved on the vertical rod screw 27; the screen frame 6 includes a screen frame main body 29 and a position piece 30 fixed on the screen frame main body 29, and the position piece 30 is arranged on the torsion spring rod 28 and Between the eccentric shafts 26, the side of the seat piece 30 close to the eccentric shaft 26 is the vertical surface 31, and the end of the seat piece 30 close to the side of the torsion spring rod 28 is the inclined surface 32; The bottom end is fixed with a support plate 33 .

Working principle: When installing the machine, slide the slider 9 on the lifting platform 2 to the guide rail 8 on the frame 1, and connect the screw 11 on the motor 10 fixed on the frame 1 to the screw on the lifting platform 2. The rod nut 12 is threadedly connected; then the height position of the lifting table 2 and the relative position of the screen frame fixing base 3 connected to the lifting table 2 are adjusted according to the position of the platen 7 on the rack 1; The horizontally arranged front and rear adjustment screws connected between the frame fixing base 3 and the lifting platform 2 are adjusted; The position of the torsion spring rod 28 is adjusted; according to the above method, all stations on the entire elliptical printing machine are adjusted, and the relative front and rear positions of the alignment surface 14 and the platen 7 on all stations, the eccentric shaft 26 and the position piece 30 are adjusted. The relative left and right positions of the contact point and the platen 7 are adjusted to be consistent, and then the screen frame fixing base 3 and the lifting platform 2 are fixed with screws.

When in use, since the top end of the seat 30 is an inclined surface 32, the seat 30 can be easily inserted between the eccentric shaft 26 and the torsion spring rod 28; as the seat 30 is gradually inserted, the seat 30 Rotate the torsion spring rod 28 around the vertical rod thread 27 toward the side away from the eccentric shaft 26, the resilient force generated on the torsion spring rod 28 can press the vertical surface 31 of the seat piece 30 against the eccentric shaft 26, Thereby, the left and right positions of the screen frame main body 29 are limited; then, the telescopic cylinder 17 on the screen frame fixing base 3 is shortened, and the rotating member 18 on the rotating shaft 15 is driven to rotate by the support rod 16, and the block 19 at the end of the rotating member 18 and the net After the frame body 29 is in contact, the blocking block 19 will be pushed, and the spring 20 connected between the blocking block 19 and the rotating member 18 will be compressed. Under the action of the restoring force of the spring 20, the blocking block 19 will pull the screen frame main body 29 to the alignment The surface 14 is fixed (that is, the rotating shaft 15 drives the fixed seat 21 to rotate, the fixed seat 21 drives the connecting piece 22 to rotate synchronously through the torsion spring 23, and the connecting piece 22 drives the connecting plate 24 to move synchronously, so that the clamping plate 25 on the connecting plate 24 is connected to the main body of the screen frame. 29 contact; because the angle between the connecting plate 24 and the card plate 25 is greater than 60 degrees and less than 90 degrees, as the connecting plate 24 continues to drive the card plate 25 to rotate, under the interaction between the card plate 25 and the screen frame main body 29, the connecting plate 24 will move relative to the connecting piece 22 and compress the spring 20. Under the action of the restoring force of the spring 20, the connecting plate 24 drives the screen frame main body 29 to adhere to the alignment surface 14 through the clamping plate 25); The plate 33 can prevent the end of the screen frame main body 29 close to the alignment surface 14 from tilting downward; then, the arm lift cylinder 13 is extended to lay the printing arm 4 flat, and the other side of the screen frame main body 29 is aligned with the end of the printing arm 4. The connector 5 of the part is hooked up.

When the platen 7 is aligned with the screen frame main body 29 , the motor 10 drives the screw 11 to rotate in the screw nut 12 on the lift table 2 , and the slider 9 on the lift table 2 moves downward relative to the guide rail 8 on the frame 1 Move, so that the screen frame main body 29 is horizontally and vertically moved downward until the distance between the screen frame main body 29 and the platen 7 is a given screen distance; After the printing operation is completed, the motor 10 rotates in the screw nut 12 through the screw rod 11, and the screen frame main body 29 is reset horizontally and upwards to wait for the next printing operation.

Claims (10)

1. The utility model provides a screen frame vertical lifting formula calico printing machine which characterized in that: the lifting device comprises a rack (1), wherein a lifting table (2) is vertically and slidably connected to the rack (1), and a vertical lifting device is connected between the lifting table (2) and the rack (1); a screen frame fixing seat (3) is fixed on the lifting platform (2), a horizontal printing arm (4) is arranged above the screen frame fixing seat (3), one end of the printing arm (4) is fixed on the lifting platform (2), and a connector (5) is fixed at the bottom of the other end of the printing arm (4); a horizontally arranged screen frame (6) is fixed between the connector (5) and the screen frame fixing seat (3), and a bedplate (7) connected to the frame (1) is arranged below the screen frame (6).

2. The printing machine with the vertically lifted screen frame as claimed in claim 1, wherein: the lifting platform is characterized in that a guide rail (8) which is vertically arranged is fixed on the rack (1), a sliding block (9) is fixed at a position on the lifting platform (2) corresponding to the guide rail (8), and the sliding block (9) is matched with the guide rail (8) in a sliding clamping manner.

3. The printing machine with the vertically lifted screen frame as claimed in claim 1, wherein: the vertical lifting device comprises a motor (10) fixed on the rack (1), and a lead screw (11) which is vertically arranged is connected to the motor (10); and a lead screw nut (12) is fixed at the position, corresponding to the lead screw (11), on the lifting platform (2), and the lead screw nut (12) is in threaded connection with the lead screw (11).

4. The printing machine with the vertically lifted screen frame as claimed in claim 1, wherein: the end part of the printing arm (4) is hinged with the lifting platform (2), an arm lifting cylinder (13) is connected between the middle part of the top surface of the printing arm (4) and the top part of the lifting platform (2), and two ends of the arm lifting cylinder (13) are hinged with the printing arm (4) and the lifting platform (2) respectively.

5. The printing machine with the vertically lifted screen frame as claimed in claim 1, wherein: one side of the net frame fixing seat (3) is a vertical alignment surface (14), and one side of the net frame (6) is tightly attached to the alignment surface (14).

6. The printing machine with the vertically lifted screen frame as claimed in claim 1, wherein: a rotating shaft (15) is fixed on the net frame fixing seat (3), a supporting rod (16) is fixed at one end of the rotating shaft (15), a telescopic cylinder (17) is hinged on the supporting rod (16), and the telescopic cylinder (17) is hinged on the lifting platform (2); the rotating shaft (15) is sleeved with a rotating piece (18), the rotating piece (18) is connected with a clamping block (19) in a sliding mode, and the position of the sliding connection is connected with a spring (20).

7. The printing machine with the vertically lifted screen frame as claimed in claim 6, wherein: the outer surface of the rotating shaft (15) is provided with a horizontal limiting piece; the rotating part (18) comprises a fixed seat (21) which is sleeved on the rotating shaft (15) in a matching mode, a connecting piece (22) is connected to the fixed seat (21) in a rotating mode, and a torsion spring (23) is arranged at the connecting position of the fixed seat (21) and the connecting piece (22); the clamping block (19) is connected to the connecting piece (22) in a sliding mode.

8. The printing machine with the vertically lifted screen frame as claimed in claim 6, wherein: the clamping block (19) comprises a connecting plate (24) and a clamping plate (25), the connecting plate (24) is fixedly connected with the clamping plate (25), and an angle formed between the connecting plate (24) and the clamping plate (25) is larger than 60 degrees and smaller than 90 degrees; the connecting plate (24) is slidably connected to the rotating member (18).

9. The printing machine with the vertically lifted screen frame as claimed in claim 6, wherein: the screen frame fixing seat (3) is connected with a fixing screw (34), and an eccentric shaft (26) which is vertically arranged is sleeved outside the fixing screw (34) in a rotating manner; one side of the eccentric shaft (26) is provided with a vertical rod screw (27) fixed on the net frame fixing seat (3), and a torsion spring rod (28) is sleeved on the vertical rod screw (27); the net frame (6) comprises a net frame main body (29) and a leaning piece (30) fixed on the net frame main body (29), the leaning piece (30) is arranged between the torsion spring rod (28) and the eccentric shaft (26), one side, close to the eccentric shaft (26), of the leaning piece (30) is a vertical surface (31), and the end, close to the torsion spring rod (28), of the leaning piece (30) is an inclined surface (32).

10. The printing machine with vertical lifting frame as claimed in any one of claims 1 to 9, wherein: and a supporting plate (33) is fixed at the bottom end of the screen frame fixing seat (3).

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