Device for changing tension of printing plate

Abstract

The utility model discloses equipment for changing the tension of a printing plate. Comprising a base, a first clamp module, a second clamp module and a lifting module are arranged at the top of the base, the first clamp module comprises outer frame clamping blocks which are symmetrically arranged left and right, the outer frame clamping blocks can move left and right along the base, and the outer frame clamping blocks and the base are locked / unlocked through a first locking module; the second clamp module and the lifting module are located between the two outer frame clamping blocks, the second clamp module comprises a base plate and inner frame clamp plates arranged at the top of the base plate in a bilateral symmetry mode, inner frame clamp mechanisms used for fixing the corresponding side of an inner frame are arranged on the inner frame clamp plates, and the inner frame clamp plates can move left and right along the top of the base plate; the inner frame clamp plate and the base plate are locked / unlocked through the second locking module, and the lifting module is used for driving the base plate to ascend / descend. The inner frame and the original frame of different sizes can be adapted, and the applicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a plate making technical field especially relates to a device for changing printing plate tension. BACKGROUND

[0002] Special matching auxiliary equipment needs to be used when printing plate making, and the matching auxiliary equipment tightens the material body on the original frame on the inner frame with certain tension, and then selects a part of material in the inner frame area and pastes it on the target frame by manual operation. In the prior art, the size and dimension of the target frame and the original frame are not fixed, and will change with the change of demand, and with the change of the size and dimension of the target frame, the clamps of the inner frame and the original frame also need to be changed, so different clamps need to be installed to realize the adaptation of the inner frame and the original frame, so that the applicability of the equipment is low. SUMMARY

[0003] The utility model discloses in order to solve above-mentioned technical problem provides a device for changing printing plate tension can adapt to the inner frame and original frame of different size and dimension, and the applicability is high.

[0004] In order to solve the above problem, the utility model adopts the following technical scheme to realize:

[0005] The utility model discloses a device for changing printing plate tension, including the base, the base top is equipped with first clamp module, second clamp module and lifting module, the first clamp module includes the original frame clamping block that is set up symmetrically left and right, the original frame clamping block can move left and right along the base, the original frame clamping block is locked / unlocked with the base through first locking module, the second clamp module and lifting module are located between two original frame clamping blocks, the second clamp module includes the base plate and the inner frame positioning plate that is set up symmetrically left and right on the base plate top, be equipped with the inner frame clamp mechanism for fixing the inner frame corresponding one side on the inner frame positioning plate, the inner frame positioning plate can move left and right along the base plate top, the inner frame positioning plate is locked / unlocked with the base plate through second locking module, the lifting module is used for driving the base plate to ascend / descend.

[0006] In the scheme, according to the inner frame size, two inner frame positioning plates are pulled to the appropriate position respectively, the inner frame positioning plate is locked with the base plate through the second locking module, then the inner frame is placed on the two inner frame positioning plates, the inner frame is constrained through the inner frame clamp mechanism, according to the original frame size, two original frame clamping blocks are pulled to the appropriate position respectively, the original frame is placed between the two original frame clamping blocks, then the two original frame clamping blocks are pushed close to the original frame, so that the original frame is limited in the preset area, then the original frame clamping block is locked with the base through the first locking module, the base plate is driven upward by the lifting module, so that the two inner frame positioning plates are synchronously moved upward, the inner frame is moved upward, the material body on the original frame is contacted and driven upward by the inner frame in the process of upward movement of the inner frame, the tension in the area where the material body is lifted by the inner frame gradually reaches the expected value, then a part of the material in the inner frame area is selected by manual and pasted on the target frame. The device can adapt to original frames and inner frames of different sizes and sizes, and has high applicability.

[0007] As preferred, the first slide rail is symmetrically arranged on the top of the base plate, the first slide rail is arranged left and right, the first slide block is symmetrically arranged on the first slide rail, the first slide block corresponds to the inner frame positioning plate one by one, the first slide block can slide along the first slide rail, and the first slide block is fixedly connected with the bottom of the corresponding inner frame positioning plate on one side.

[0008] As preferred, the inner frame clamp mechanism comprises a first locking column symmetrically arranged on the top of the inner frame positioning plate, a strip-shaped through hole is symmetrically arranged on the inner frame positioning plate, the strip-shaped through hole is arranged front and back, the strip-shaped through hole is located on the inner side of the first locking column, a frame body locking piece is arranged in the strip-shaped through hole and can slide along the strip-shaped through hole, the frame body locking piece comprises a second locking column and a locking nut, the second locking column is provided with a thread at the lower part and penetrates through the strip-shaped through hole, the locking nut is threadedly connected with the lower part of the second locking column, the locking nut is located below the strip-shaped through hole, an upper fixed sheet is sleeved on the second locking column, the upper fixed sheet is fixedly connected with the second locking column, and the upper fixed sheet is located above the strip-shaped through hole.

[0009] The inner frame is placed on the two inner frame positioning plates, then the two inner frame positioning plates are pulled, so that the first locking columns on the two inner frame positioning plates abut against the corresponding ends of the left and right inner frames, at this time, the inner frame is limited left and right, the second locking columns are pushed to slide along the corresponding strip-shaped through holes, so that the second locking columns on the two inner frame positioning plates abut against the corresponding ends of the front and back inner frames, at this time, the inner frame is limited front and back, and the inner frame is constrained on the two inner frame positioning plates.

[0010] As preferred, the lifting module comprises a lifting plate, a lifting driver and a lifting rod, the lifting rod is vertically arranged, the base top is provided with a through hole for the lifting rod to pass through, the lifting plate is arranged below the base plate, the lifting plate is connected with the base plate through a connecting structure at four corners, the lifting rod top is fixedly connected with the lifting plate bottom, the lifting plate bottom is vertically provided with a guide column at four corners, the base is provided with a guide hole corresponding to the position of the guide column for the guide column to pass through, and the lifting driver is used to drive the lifting rod to rise / fall.

[0011] As preferred, the base is provided with a manual rotary disc at one side, the base is provided with a rotating shaft corresponding to the position of the manual rotary disc, the rotating shaft is horizontally arranged, the manual rotary disc is coaxially arranged with the rotating shaft and is fixedly connected with the rotating shaft, and the rotating shaft is rotationally connected with the base.

[0012] According to the processing requirements, the lifting rod can be automatically lifted by the lifting driver or manually lifted by rotating the manual rotary disc, so that the tension of the material body being lifted reaches the expected value. When the lifting driver is needed to lift the lifting rod, the clutch assembly is disconnected to keep the manual rotary disc stationary, and the manual rotary disc is not rotated by the lifting driver; when the lifting rod needs to be manually lifted, the clutch assembly is connected, and at this time, the lifting rod can be lifted by rotating the manual rotary disc and driving the output end of the lifting driver through the clutch assembly.

[0013] As preferred, the connecting structure comprises an adjusting bolt, the adjusting bolt is vertically arranged, the lifting plate is provided with a threaded hole corresponding to the position of the adjusting bolt, the adjusting bolt passes through the corresponding threaded hole and is threadedly connected with the corresponding threaded hole, and the adjusting bolt top is rotationally connected with the base plate bottom.

[0014] Before the equipment works, the base plate needs to be horizontally calibrated, the adjusting bolt is rotated to change the horizontal height of the corresponding corner of the base plate, so as to realize the horizontal calibration of the whole base plate.

[0015] As preferred, the base top is provided with an air extractor on the left and right sides, the air extractor corresponds to the original frame clamping block one by one and is located outside the corresponding original frame clamping block, the air extractor air inlet end faces the original frame clamping block, and the air extractor air outlet end is used to blow the air sucked by the air inlet end vertically downward to the ground.

[0016] The air extractor can extract the waste gas generated during the process of pasting the material to the target frame, and also avoids the impurities in the air from falling on the target frame.

[0017] As preferred, the original frame clamping block bottom is symmetrically provided with a connecting block in front and back, the base top is symmetrically provided with a second sliding rail in front and back, the second sliding rail is arranged left and right, the connecting block bottom is provided with a second sliding block matched with the second sliding rail, the second sliding block can slide along the corresponding second sliding rail, and the second sliding block is locked / unlocked with the second sliding rail through the sliding block locking piece.

[0018] As preferred, the lower pressing strip is symmetrically arranged in front and back, the original frame clamping block top is symmetrically provided with a limiting block in front and back, the limiting block is provided with a connecting through hole, the connecting through hole is arranged in front and back, and the lower pressing strip left and right ends extend into the corresponding connecting through hole and can slide along the corresponding connecting through hole.

[0019] The inner frame is in contact with the material body on the original frame during upward movement and drives the material body to be lifted upward, in order to avoid that the original frame is forced to move upward and is separated from the two original frame clamping blocks, after the original frame is limited in the preset area by the two original frame clamping blocks, the lower pressing strip is placed between the corresponding two connecting through holes, when the inner frame moves upward, the original frame is forced to be extruded with the lower pressing strip, the lower pressing strip presses the original frame between the two original frame clamping blocks, and the original frame is avoided to be separated.

[0020] The beneficial effects of the utility model are that: two original frame clamping blocks can be adapted to original frames of different sizes; two inner frame positioning plates can clamp inner frames of different sizes through the inner frame clamp mechanism; the adjusting bolt can adjust the height of the four corners of the base plate, realize the horizontal adjustment of the whole base plate, can manually or electrically lift the lifting rod through manual rotary disc or lifting driver; the lower pressing strip can avoid that the inner frame is lifted as a whole by the material body when moving upward, and the original frame is separated from the two original frame clamping blocks. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic diagram of the utility model;

[0022] Figure 2 It is Figure 1 It is the local enlarged view of A in the figure;

[0023] Figure 3 It is Figure 1 It is the local enlarged view of B in the figure;

[0024] Figure 4 It is the structure schematic diagram of the utility model after removing one side inner frame positioning plate;

[0025] Figure 5 It is the side view of the utility model;

[0026] Figure 6 It is Figure 5 It is the local enlarged view of C in the figure.

[0027] In the diagram: 1. Base; 2. First clamping module; 21. Original frame clamping block; 3. Second clamping module; 31. Base plate; 32. Inner frame positioning plate; 321. First locking post; 322. Strip-shaped through hole; 323. Second locking post; 324. Upper fixing plate; 33. First slide rail; 34. First slider; 4. Lifting module; 41. Lifting plate; 42. Lifting driver; 43. Lifting rod; 44. Guide post; 5. Manual rotary table; 51. Rotating shaft; 6. Adjusting bolt; 7. Exhaust fan; 8. Connecting block; 81. Second slide rail; 82. Second slider; 83. Slider locking component; 9. Lower pressure bar; 91. Limiting block; 92. Connecting through hole. Detailed Implementation

[0028] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0029] Example: This example describes a device for changing the tension of a printing plate, such as... Figures 1 to 6 As shown, the system includes a base 1, and a first clamping module 2, a second clamping module 3, and a lifting module 4 are provided on the top of the base 1. The first clamping module 2 includes original frame clamping blocks 21 arranged symmetrically on the left and right. The original frame clamping blocks 21 can move left and right along the base 1. The original frame clamping blocks 21 and the base 1 are locked / unlocked by a first locking module. The second clamping module 3 and the lifting module 4 are located between the two original frame clamping blocks 21. The second clamping module 3 includes a base plate 31 and inner frame positioning plates 32 arranged symmetrically on the top of the base plate 31. The inner frame positioning plates 32 are provided with inner frame clamping mechanisms for fixing the corresponding side of the inner frame. The inner frame positioning plates 32 can move left and right along the top of the base plate 31. The inner frame positioning plates 32 and the base plate 31 are locked / unlocked by a second locking module.

[0030] The top of the substrate 31 is symmetrically provided with a first slide rail 33, which is arranged in a left-right direction. The first slide rail 33 is symmetrically provided with a first slider 34 on the left and right sides. The first slider 34 corresponds to the inner frame positioning plate 32 one by one. The first slider 34 can slide along the first slide rail 33. The first slider 34 is fixedly connected to the bottom of the inner frame positioning plate 32 on the corresponding side.

[0031] The inner frame clamping mechanism comprises first locking columns 321 symmetrically arranged on the top of the inner frame positioning plate 32, and strip-shaped through holes 322 symmetrically arranged on the inner frame positioning plate 32, wherein the strip-shaped through holes 322 are arranged in a front-rear direction, the strip-shaped through holes 322 are located on the inner side of the first locking columns 321, and frame locking members are arranged in the strip-shaped through holes 322 and can slide along the strip-shaped through holes 322, the frame locking members comprise second locking columns 323 and locking nuts, the second locking columns 323 are provided with threads at the lower portions and pass through the strip-shaped through holes 322, the locking nuts are threadedly connected with the lower portions of the second locking columns 323, the locking nuts are located below the strip-shaped through holes 322, and upper fixing plates 324 are arranged on the second locking columns 323, the upper fixing plates 324 are fixedly connected with the second locking columns 323, and the upper fixing plates 324 are located above the strip-shaped through holes 322.

[0032] The lifting module 4 comprises a lifting plate 41, a lifting driver 42 and a lifting rod 43, the lifting rod 43 is vertically arranged, the top of the base 1 is provided with a through hole through which the lifting rod 43 passes, the lifting plate 41 is arranged below the base plate 31, the lifting plate 41 is connected with the base plate 31 through connecting structures at four corners, the top of the lifting rod 43 is fixedly connected with the bottom of the lifting plate 41, guide columns 44 are vertically arranged at four corners of the bottom of the lifting plate 41, the base 1 is provided with guide holes through which the guide columns 44 pass at positions corresponding to the guide columns 44, and the lifting driver 42 is used to drive the lifting rod 43 to ascend / descend.

[0033] One side of the base 1 is provided with a manual rotary disc 5, the base 1 is provided with a rotating shaft 51 at a position corresponding to the manual rotary disc 5, the rotating shaft 51 is horizontally arranged, the manual rotary disc 5 is coaxially arranged with and fixedly connected with the rotating shaft 51, the rotating shaft 51 is rotationally connected with the base 1, and the inner side of the rotating shaft 51 is connected with the output end of the lifting driver through a clutch assembly.

[0034] The connecting structure comprises an adjusting bolt 6, the adjusting bolt 6 is vertically arranged, the lifting plate 41 is provided with threaded holes at positions corresponding to the adjusting bolt 6, the adjusting bolt 6 passes through and is threadedly connected with the corresponding threaded holes, and the top of the adjusting bolt 6 is rotationally connected with the bottom of the base plate 31.

[0035] The top of the base 1 is symmetrically provided with suction fans 7 on the left and right sides, the suction fans 7 correspond to the original frame clamping blocks 21 one by one and are located on the outer sides of the corresponding original frame clamping blocks 21, the air inlet ends of the suction fans 7 face the original frame clamping blocks 21, and the air outlet ends of the suction fans 7 are used to vertically downwardly blow the air sucked in by the air inlet ends to the ground.

[0036] The original frame clamping blocks 21 are symmetrically provided with connecting blocks 8 at the bottom, the top of the base 1 is symmetrically provided with second sliding rails 81 in a left-right direction, the connecting blocks 8 are provided with second sliding blocks 82 matched with the second sliding rails 81 at the bottom, the second sliding blocks 82 can slide along the corresponding second sliding rails 81, and the second sliding blocks 82 are locked / unlocked with the second sliding rails 81 through sliding block locking members 83.

[0037] The lower pressing strip 9 is symmetrically arranged, the original frame clamping block 21 is provided with a limiting block 91 at the top, the limiting block 91 is provided with a connecting through hole 92, the connecting through hole 92 is symmetrically arranged, and the left and right ends of the lower pressing strip 9 extend into the corresponding connecting through hole 92 and can slide along the corresponding connecting through hole 92.

[0038] In the scheme, the inner frame is placed on the two inner frame positioning plates, then the two inner frame positioning plates are pulled, the first locking column on the two inner frame positioning plates abuts against the corresponding end of the left and right inner frames, at this time, the inner frame is limited left and right, the second locking column is pushed to slide along the corresponding strip-shaped through hole, the second locking column on the two inner frame positioning plates abuts against the corresponding end of the front and back inner frames, at this time, the inner frame is limited front and back, and the inner frame is constrained on the two inner frame positioning plates. The inner frame positioning plate is locked with the base plate through the second locking module.

[0039] The two original frame clamping blocks are pushed outward, then the original frame is placed between the two original frame clamping blocks, the two original frame clamping blocks are close to the original frame, the original frame is limited in a certain area, the second sliding block is locked with the second sliding rail through the sliding block locking piece, at this time, the original frame is limited, and then the lower pressing strip is placed in the two connecting through holes on the corresponding side.

[0040] After the inner frame and the original frame are fixed, the lifting driver drives the lifting rod to rise, the lifting rod lifts the lifting plate upward, the lifting plate drives the two inner frame positioning plates to move upward synchronously through the base plate, the inner frame moves upward, the inner frame contacts the material body on the original frame in the process of moving upward and drives the material body to be lifted upward, the material body is gradually lifted to the expected value in the area of the inner frame, then a part of the material in the area of the inner frame is selected and pasted on the target frame by manual operation, the lower pressing strip contacts and abuts against the corresponding side of the original frame, so that the inner frame is prevented from lifting the original frame as a whole through the material body when moving upward, and the original frame is prevented from being separated from the two original frame clamping blocks.

[0041] The base plate needs to be horizontally calibrated before the equipment works, the adjusting bolt is rotated, the adjusting bolt changes the horizontal height of the corresponding corner of the base plate, and the horizontal calibration of the whole base plate is realized.

[0042] According to the processing requirement, the lifting driver can be selected to automatically lift the lifting rod or the manual lifting disc is manually lifted, so that the tension of the lifted part of the material body reaches the expected value. When the lifting driver needs to lift the lifting rod, the clutch assembly is disconnected, so that the manual lifting disc remains stationary and is not rotated by the lifting driver; when the lifting rod needs to be manually lifted, the clutch assembly is connected, so that the lifting rod can be lifted by rotating the manual lifting disc and driving the output end of the lifting driver through the clutch assembly.

[0043] The suction fan can suck the exhaust gas generated in the process of sticking the material to the target frame, and also avoid the impurities in the air from falling on the target frame.

Claims

1. An apparatus for changing the tension of a printing plate, characterized by: The utility model provides a kind of frame fixing device, including base (1), the first clamp module (2) is equipped with on the top of base (1), the second clamp module (3) and lifting module (4), the first clamp module (2) includes left and right symmetrically arranged original frame clamping block (21), the original frame clamping block (21) can be moved left and right along base (1), the original frame clamping block (21) is locked / unlocked with base (1) by first locking module, the second clamp module (3) and lifting module (4) are located between two original frame clamping blocks (21), the second clamp module (3) includes base plate (31) and left and right symmetrically arranged inner frame positioning plate (32) on the top of base plate (31), the inner frame positioning plate (32) is equipped with inner frame clamp mechanism for fixing the corresponding side of inner frame, the inner frame positioning plate (32) can be moved left and right along the top of base plate (31), the inner frame positioning plate (32) and base plate (31) are locked / unlocked by second locking module, the lifting module (4) is used to drive base plate (31) to ascend / descend.

2. An apparatus for changing the tension of a printing plate as claimed in claim 1, characterized in that: The top of base plate (31) is symmetrically provided with first slide rail (33) before and after, the first slide rail (33) is left and right arranged, the first slide rail (33) is symmetrically provided with first sliding block (34) left and right, the first sliding block (34) corresponds to inner frame positioning plate (32), the first sliding block (34) can slide along first slide rail (33), and the first sliding block (34) is fixedly connected with the bottom of corresponding inner frame positioning plate (32).

3. An apparatus for changing the tension of a printing plate as defined in claim 1, wherein: The inner frame clamp mechanism includes first locking column (321) symmetrically arranged on the top of inner frame positioning plate (32) before and after, the inner frame positioning plate (32) is symmetrically provided with strip-shaped through hole (322) before and after, the strip-shaped through hole (322) is arranged before and after, the strip-shaped through hole (322) is located on the inner side of first locking column (321), the strip-shaped through hole (322) is provided with frame body locking piece that can slide along strip-shaped through hole (322), the frame body locking piece includes second locking column (323) and locking nut, the second locking column (323) is provided with screw thread in lower part and passes through strip-shaped through hole (322), the locking nut is threadedly connected with the lower part of second locking column (323), the locking nut is located below strip-shaped through hole (322), the second locking column (323) is provided with upper fixed sheet (324) and is sleeved, the upper fixed sheet (324) is fixedly connected with second locking column (323), and the upper fixed sheet (324) is located above strip-shaped through hole (322).

4. An apparatus for changing the tension of a printing plate as defined in claim 1, wherein: The lifting module (4) comprises a lifting plate (41), a lifting driver (42) and a lifting rod (43), the lifting rod (43) is vertically arranged, the base (1) is provided with a through hole for the lifting rod (43) to pass through at the top, the lifting plate (41) is arranged below the base plate (31), the lifting plate (41) is connected with the base plate (31) through a connecting structure at four corners, the top of the lifting rod (43) is fixedly connected with the bottom of the lifting plate (41), and guide columns (44) are vertically arranged at four corners of the bottom of the lifting plate (41). The base (1) is provided with a guide hole for the guide column (44) to pass through at the position corresponding to the guide column (44), and the lifting driver (42) is used for driving the lifting rod (43) to rise / fall.

5. An apparatus for changing the tension of a printing plate as defined in claim 4, wherein: One side of the base (1) is provided with a manual rotating disc (5), and the base (1) is provided with a rotating shaft (51) at the position corresponding to the manual rotating disc (5). The rotating shaft (51) is horizontally arranged, the manual rotating disc (5) is coaxially arranged with the rotating shaft (51) and is fixedly connected with the rotating shaft (51), and the rotating shaft (51) is rotatably connected with the base (1). The inner side of the rotating shaft (51) is connected with the output end of the lifting driver through a clutch assembly.

6. An apparatus for changing the tension of a printing plate as defined in claim 4, wherein: The connecting structure comprises an adjusting bolt (6), the adjusting bolt (6) is vertically arranged, the lifting plate (41) is provided with a threaded hole at the position corresponding to the adjusting bolt (6), the adjusting bolt (6) passes through the corresponding threaded hole and is threadedly connected with the corresponding threaded hole, and the top of the adjusting bolt (6) is rotatably connected with the bottom of the base plate (31).

7. An apparatus for changing the tension of a printing plate as defined in claim 1, wherein: The base (1) is provided with an air extractor (7) at the top and symmetrically on the left and right sides, the air extractor (7) corresponds to the original frame clamping block (21) one by one and is located outside the corresponding original frame clamping block (21), the air inlet end of the air extractor (7) faces the original frame clamping block (21), and the air outlet end of the air extractor (7) is used for blowing the air sucked by the air inlet end vertically downward to the ground.

8. An apparatus for changing the tension of a printing plate as defined in claim 1, wherein: The original frame clamping block (21) is provided with a connecting block (8) at the bottom and symmetrically front and back, the base (1) is provided with a second sliding rail (81) at the top and symmetrically front and back, the second sliding rail (81) is arranged left and right, the connecting block (8) is provided with a second sliding block (82) matched with the second sliding rail (81) at the bottom, the second sliding block (82) can slide along the corresponding second sliding rail (81), and the second sliding block (82) is locked / unlocked with the second sliding rail (81) through a sliding block locking piece (83).

9. An apparatus for changing the tension of a printing plate as defined in claim 8, characterized in that: Further comprising a downward pressing strip (9) arranged symmetrically front and back, the original frame clamping block (21) is provided with a limiting block (91) at the top and symmetrically front and back, the limiting block (91) is provided with a connecting through hole (92) thereon, the connecting through hole (92) is arranged front and back, and the left and right ends of the downward pressing strip (9) extend into the connecting through hole (92) on the corresponding side and can slide along the connecting through hole (92) on the corresponding side.

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