CN215355516U - Pre-bending module for loading carrier tape with sheet - Google Patents

Abstract

The utility model discloses a pre-bending module for loading a sheet material on a carrier tape. The pre-bending module comprises a frame with a rectangular structure, wherein an upper pre-bending roller and a lower pre-bending roller which are opposite up and down are arranged in a cavity of the frame; two ends of the lower pre-bending roller are respectively provided with a lower pre-bending section; two ends of the upper pre-bending roller are respectively and rotatably connected to the floating seat, and two ends of the upper pre-bending roller are respectively provided with an upper pre-bending section; the floating seat is positioned in the upper opening, the upper end of the floating seat is connected with the elastic buffering part, and two ends of the floating seat are respectively connected with the upper sub-plate through the guide assemblies; two eccentric guide rings of the gap pressure adjusting part are respectively sleeved on two ends of the pre-bending roller, the guide surface blocks are respectively connected with the lower end of the upper dividing plate, the eccentric guide rings are attached to the upper surfaces of the guide surface blocks, and one of the eccentric guide rings is connected with the adjusting handle. The automatic pre-bending device has the effects of automatically and continuously pre-bending two side edges of the sheet material, high production speed and high yield.

Description

Pre-bending module for loading carrier tape with sheet

Technical Field

The utility model relates to a 3C material sheet bending device, in particular to a pre-bending module for loading a carrier tape with a material sheet.

Background

The 3C product is used in each aspect of life production in a large number, and the 3C product relates to a large amount of thin slices, the 3C part of dysmorphism profile of bending, and the production of 3C part adopts the manual work to accomplish one by one at present and bends, and its defect lies in: firstly, the sheet is easily damaged or broken due to overlarge stress caused by manual one-time bending, and the yield is low; and secondly, manual bending needs to be performed along a preset bending base line, centering is needed each time, the manual bending depends on the experience level of workers, the position placing precision is low, the yield is low, the speed is low, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

To address one or more of the above-mentioned problems, the present invention provides a pre-bend module for a carrier tape web.

According to one aspect of the utility model, the pre-bending module for loading the sheet material on the carrier tape comprises a frame with a rectangular structure, wherein a rectangular upper opening is formed in the middle of two parallel vertical base plates of the frame, upper dividing plates are arranged at the left end and the right end of the upper opening, and an upper pre-bending roller and a lower pre-bending roller which are opposite up and down are arranged in a cavity between the two vertical base plates;

the two ends of the lower pre-bending roll are rotatably connected with the upper opening lower wall, a lower cylindrical section is arranged in the middle of the lower pre-bending roll, the two ends of the lower pre-bending roll are respectively provided with a lower pre-bending section, and the lower pre-bending section is a circular table with the diameter gradually increasing from inside to outside;

the two ends of the upper pre-bending roller are respectively and rotatably connected to the floating seat, an upper cylindrical section is arranged in the middle of the upper pre-bending roller, the two ends of the upper pre-bending roller are respectively provided with an upper pre-bending section, the upper pre-bending section is a circular table with the diameter gradually reduced from inside to outside, the lower cylindrical section and the upper cylindrical section are opposite to each other up and down and have the same length, and the upper pre-bending section and the lower pre-bending section are opposite to each other up and down and have the same taper;

the floating seat is positioned in the upper opening, the upper end of the floating seat is connected with the elastic buffering part, and two ends of the floating seat are respectively connected with the upper sub-plate through the guide assemblies;

the gap pressure adjusting part comprises eccentric guide rings and guide face blocks, the two ends of the pre-bending roller are respectively arranged on the eccentric holes of the two eccentric guide rings through shaft sleeves, the guide face blocks are respectively connected with the lower ends of the upper dividing plates, the eccentric guide rings are attached to the upper surfaces of the guide face blocks, and one of the eccentric guide rings is connected with an adjusting handle.

This pre-bending module of piece material on carrier band has realized the both sides limit of automatic piece material of bending simultaneously, both can regard as intermediate product, can regard as final product again, and the piece is placed on the carrier band simultaneously, only needs confirm the carrier band and the benchmark of lower pre-bending roller, can once only accomplish the centering of all piece materials on the carrier band, and its beneficial effect is: firstly, automatic bending is performed, double-side bending is completed at one time, centering is only needed at one time, the position precision is high, the carrier tape continuously passes through the carrier tape from left to right at a constant speed, the continuous bending of the sheet material can be realized, the speed is high, the production efficiency is high, and the method is suitable for large-scale continuous production; secondly, as an intermediate pre-bending process, the maximum bending stress of the material sheet can be reduced, the phenomenon that the material sheet is damaged or cracked by overlarge stress is reduced, the yield of products is improved, and the appearance of the bent products can be greatly improved; thirdly, the cylindrical section passes through the carrier tape and the sheet material intermediate substrate, and the pre-bending section adopts a circular truncated cone structure, so that bevel edge bending is effectively realized, and the bending profile and the bending precision are high; fourthly, the floating seat, the elastic buffering part and the guide assembly are adopted, elastic upper compression can be effectively realized, the material sheet is effectively protected, the elastic buffering part unloads overlarge stress, the guide assembly realizes linear lifting, and the phenomena of left and right deflection and uneven stress are avoided; fifthly, the gap pressure adjusting part can effectively set pre-compression stress, meanwhile, the eccentric guide ring can realize continuous height change, namely, the size and thickness of a product are variable, meanwhile, the pressure adjustment is continuous, meanwhile, the guide surface block provides good support, downward jumping is prevented, and the adjusting handle is convenient to operate.

In some embodiments, the outer side surface of the lower pre-bent segment is further stretched outwards to form a cylindrical lower end ring, the outer side surface of the upper pre-bent segment is further stretched outwards to form a cylindrical upper end ring, and the lower end ring and the upper end ring are opposite to each other in an up-and-down mode.

In some embodiments, the lengths of the lower end ring and the upper end ring, the upper pre-bending section and the lower pre-bending section are the same; the bending angle of the upper pre-bending section and the lower pre-bending section is 45 degrees.

In some embodiments, the lower main shaft and the lower cylindrical section of the lower pre-bending roller are integrally arranged or in key connection, two ends of the lower main shaft are rotatably connected with the lower end wall of the upper opening through bearings, and one end of the lower main shaft penetrates through the lower wall of the upper opening and is in key connection with the driven wheel.

In some embodiments, the driven wheel is a synchronous pulley and the drive train is a synchronous belt drive train.

In some embodiments, the guide assembly includes a sliding block and vertical sliding rails, the sliding block and the vertical sliding rails are in sliding fit with each other, the two vertical sliding rails are respectively and symmetrically connected to the inner surface of the upper plate, the sliding block is mounted on the inner ear plate, and the inner ear plate is a flat plate formed by extending the inner sides of the left end and the right end of the floating seat outwards respectively.

In some embodiments, the middle of the upper main shaft of the upper pre-bending roller is connected with the shaft hole of the upper cylindrical section through a bearing, and the shaft sections of the upper main shaft close to the two ends are rotatably connected with the shaft holes of the floating seat through bearings; and two ends of the upper main shaft are also added with positioning planes, the eccentric hole of the eccentric guide ring is a major arc shaft hole, the positioning planes are attached to the chord section of the major arc shaft hole, and the set screw of the eccentric guide ring is abutted against and attached to the positioning planes.

In some embodiments, the elastic buffer portion comprises an upper guide rod, a guide adjusting sleeve and an upper ejector block, wherein two ends of the upper ejector block are respectively connected with the upper surface of the upper dividing plate, a vertical screw hole of the upper ejector block is connected with an external thread column of the guide adjusting sleeve, a central shaft hole of the guide adjusting sleeve is slidably connected with the upper end of the upper guide rod, the lower end of the upper guide rod is in threaded connection with the floating seat, and a floating spring is further arranged between the lower surface of the external thread column and the upper surface of the floating seat.

In some embodiments, the upper end of the guide adjusting sleeve is provided with a large-diameter operating ring, and the operating ring is rotated to enable the external threaded column to move downwards to compress the floating spring or move upwards to release the floating spring; the upper end of the upper guide rod is also in threaded connection with an upper limiting column, and the lower surface of the upper limiting column is positioned above the upper top block.

In some embodiments, the frame further includes a lower bottom plate and a reinforcing column, the lower bottom plate is horizontally disposed, the front end and the rear end of the lower bottom plate are respectively and vertically connected with the lower end of a vertical base plate, and the front side and the rear side of the upper ends of the two upper sub-plates are respectively connected through the reinforcing column, so as to form a rectangular framework.

Drawings

FIG. 1 is a three-dimensional schematic view of a pre-bend module for a carrier tape carrier according to an embodiment of the present invention;

FIG. 2 is a three-dimensional schematic view of the lower pre-bend roll shown in FIG. 1;

FIG. 3 is a three-dimensional schematic view of the upper pre-bending roll and the gap pressure adjustment portion shown in FIG. 1;

FIG. 4 is a three-dimensional schematic view of the floating seat and the elastic buffering portion shown in FIG. 1;

the frame 1, the vertical base plate 11, the upper opening 111, the upper sub plate 112, the lower base plate 12 and the reinforcing column 13; the device comprises a lower pre-bending roller 2, a lower cylindrical section 20, a lower pre-bending section 21, a lower end ring 22, a driven wheel 23 and a lower main shaft 24; an upper pre-bending roller 3, an upper cylindrical section 30, an upper pre-bending section 31, an upper end ring 32 and an upper main shaft 33; a floating seat 4, an inner ear plate 41; the elastic buffer part 5, the upper guide rod 51, the guide adjusting sleeve 52, the external thread column 521, the central shaft hole 522, the operating ring 523, the upper top block 53, the floating spring 54 and the upper limiting column 55; the guide assembly 6, the sliding block 61 and the vertical sliding rail 62; a gap pressure adjusting part 7, an eccentric guide ring 71, a guide surface block 72 and an adjusting handle 73.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1-4 schematically illustrate a carrier tape web preflex module according to an embodiment of the present invention. As shown in the figure, the device comprises a frame 1 with a rectangular structure, wherein a rectangular upper opening 111 is arranged in the middle of two parallel vertical substrates 11 of the frame 1, the left end and the right end of the upper opening 111 are provided with upper dividing plates 112, and an upper pre-bending roller 3 and a lower pre-bending roller 2 which are opposite up and down are arranged in a cavity between the two vertical substrates 11;

the two ends of the lower pre-bending roll 2 are rotatably connected with the lower wall of the upper opening 111, a lower cylindrical section 20 is arranged in the middle of the lower pre-bending roll 2, the two ends of the lower pre-bending roll are respectively provided with a lower pre-bending section 21, and the lower pre-bending section 21 is a circular table with the diameter gradually increasing from inside to outside;

the two ends of the upper pre-bending roller 3 are respectively and rotatably connected to the floating seat 4, the middle of the upper pre-bending roller 3 is provided with an upper cylindrical section 30, the two ends of the upper pre-bending roller are respectively provided with an upper pre-bending section 31, the upper pre-bending section 31 is a circular table with the diameter gradually reduced from inside to outside, the lower cylindrical section 20 and the upper cylindrical section 30 are opposite up and down and have the same length, and the upper pre-bending section 31 and the lower pre-bending section 21 are opposite up and down and have the same taper;

the floating seat 4 is positioned in the upper opening 111, the upper end of the floating seat is connected with the elastic buffer part 5, and two ends of the floating seat 4 are respectively connected with the upper sub-plate 112 through the guide assembly 6;

the gap pressure adjusting part 7 comprises eccentric guide rings 71 and guide surface blocks 72, eccentric holes of the two eccentric guide rings 71 are respectively arranged at two ends of the pre-bending roller 3 on a shaft sleeve, the guide surface blocks 72 are respectively connected with the lower end of the upper splitting plate 112, the eccentric guide rings 71 are attached to the upper surface of the guide surface blocks 72, one eccentric guide ring 71 is connected with an adjusting handle 73, the adjusting handle 73 is rotated, and the eccentric guide rings 71 move along the guide surface blocks 72, so that the gap and the pressure of the upper pre-bending roller 3 and the lower pre-bending roller 2 are changed.

This pre-bending module of piece material on carrier band has realized the both sides limit of automatic piece material of bending simultaneously, both can regard as intermediate product, can regard as final product again, and the piece is placed on the carrier band simultaneously, only needs confirm the carrier band and the benchmark of lower pre-bending roller 2, can once only accomplish the centering of all piece materials on the carrier band, and its beneficial effect is: firstly, automatic bending is performed, double-side bending is completed at one time, centering is only needed at one time, the position precision is high, the carrier tape continuously passes through the carrier tape from left to right at a constant speed, the continuous bending of the sheet material can be realized, the speed is high, the production efficiency is high, and the method is suitable for large-scale continuous production; secondly, as an intermediate pre-bending process, the maximum bending stress of the material sheet can be reduced, the phenomenon that the material sheet is damaged or cracked by overlarge stress is reduced, the yield of products is improved, and the appearance of the bent products can be greatly improved; thirdly, the cylindrical section passes through the carrier tape and the sheet material intermediate substrate, and the pre-bending section adopts a circular truncated cone structure, so that bevel edge bending is effectively realized, and the bending profile and the bending precision are high; fourthly, the floating seat 4, the elastic buffer part 5 and the guide assembly 6 are adopted, elastic upper compression can be effectively realized, meanwhile, the material sheet is effectively protected, the elastic buffer part 5 unloads overlarge stress, the guide assembly 6 realizes linear lifting, and the phenomena of left and right deflection and uneven stress are avoided; fifthly, the gap pressure adjusting part 7 can effectively set pre-compression stress, meanwhile, the eccentric guide ring 71 can realize continuous height change, namely, the size and thickness of a product can be changed, meanwhile, the pressure adjustment is continuous, meanwhile, the guide surface block 72 provides good support, meanwhile, downward jumping is prevented, and the adjusting handle is convenient to operate.

Preferably, the outer side surface of the lower pre-bent segment 21 is further stretched outwards to form a cylindrical lower end ring 22, the outer side surface of the upper pre-bent segment 31 is further stretched outwards to form a cylindrical upper end ring 32, and the lower end ring 22 and the upper end ring 32 are opposite to each other in the vertical direction. The beneficial effects are as follows: the lower end ring 22 and the upper end ring 32 can further improve the guiding and straightness of the two sides of the carrier tape, and limit the two-side offset phenomenon.

Preferably, the lengths of the lower end ring 22 and the upper end ring 32, and the lengths of the upper pre-bending section 31 and the lower pre-bending section 21 are the same; the bending angle of the upper pre-bending section 31 and the lower pre-bending section 21 is 45 degrees.

Preferably, the lower main shaft 24 of the lower pre-bending roller 2 and the lower cylindrical section 20 are integrally arranged or in key connection, two ends of the lower main shaft 24 are rotatably connected to the lower end wall of the upper opening 111 through bearings, one end of the lower main shaft 24 penetrates through the lower wall of the upper opening 111 and is in key connection with the driven wheel 23, and the driven wheel 23 is connected with a transmission system. The beneficial effects are as follows: the integrally connected lower pre-bending roll 2 has high structural strength; the lower pre-bending roll 2 connected with the key can realize the replacement of various pre-bending rolls and is suitable for the edge folding production of various material sheets.

Preferably, the driven wheel 23 is a synchronous pulley, and the transmission system is a synchronous belt transmission system. The beneficial effects are as follows: the synchronous belt is arranged, the transmission load is large, the transmission precision is high, the movement is stable, reverse rotation is avoided, and the phenomenon of poor bending caused by poor transmission can be reduced.

Preferably, the guiding assembly 6 includes a sliding block 61 and vertical sliding rails 62 which are in sliding fit with each other, the two vertical sliding rails 62 are respectively and symmetrically connected to the inner surface of the upper sub-plate 112, the sliding block 61 is installed on the inner ear plate 41, and the inner ear plate 41 is a flat plate formed by extending the inner sides of the left and right ends of the floating seat 4 outwards respectively. The beneficial effects are as follows: the sliding block 61 and the vertical sliding rail 62 can improve the straightness of floating compression and increase the uniformity of compression load.

Preferably, the middle of an upper main shaft 33 of the upper pre-bending roller 3 is connected with a shaft hole of the upper cylindrical section 30 through a bearing, and shaft sections of the upper main shaft 33 close to two ends are rotatably connected with the shaft hole of the floating seat 4 through bearings;

the two ends of the upper main shaft 33 are also added with positioning planes, the eccentric hole of the eccentric guide ring 71 is a major arc shaft hole, the positioning planes are attached to the chord section of the major arc shaft hole, and the set screw of the eccentric guide ring 71 is abutted against and attached to the positioning planes. The beneficial effects are as follows: the setting is good in fixing effect and cannot generate follow-up rotation phenomenon.

Preferably, the elastic buffer portion 5 includes an upper guide rod 51, a guiding adjustment sleeve 52 and an upper top block 53, two ends of the upper top block 53 are respectively connected to the upper surface of the upper sub-plate 112, a vertical screw hole of the upper top block 53 is connected to an external threaded column 521 of the guiding adjustment sleeve 52, a central shaft hole 522 of the guiding adjustment sleeve 52 is slidably connected to the upper end of the upper guide rod 51, the lower end of the upper guide rod 51 is connected to the floating seat 4 through a thread, and a floating spring 54 is further disposed between the lower surface of the external threaded column 521 and the upper surface of the floating seat 4. The beneficial effects are as follows: the elastic buffering part 5 is simple in structure, convenient to install and adjust, high in guiding performance of the upper guide rod 51, sensitive in buffering sudden stress of the floating spring 54 and good in reliability.

Preferably, the upper end of the guide adjusting sleeve 52 is formed with a large-diameter operating ring 523, and the operating ring 523 is rotated to enable the externally threaded column 521 to move downwards to compress the floating spring 54 or move upwards to release the floating spring 54; the beneficial effects are as follows: the operation ring 523 is convenient to adjust.

The upper end of the upper guide rod 51 is also in threaded connection with an upper limiting column 55, and the lower surface of the upper limiting column 55 is positioned above the upper top block 53.

Preferably, the frame 1 further includes a lower plate 12 and a reinforcement column 13, the lower plate 12 is horizontally disposed, the front end and the rear end of the lower plate are respectively and vertically connected to the lower end of the vertical base plate 11, and the front side and the rear side of the upper ends of the two upper sub-plates 112 are respectively connected to each other through the reinforcement column 13, so as to form a rectangular framework. The beneficial effects are as follows: the structure is simple, the whole size is small, the structural strength is high, the pre-bending load can be resisted, and the device is free from shaking and other abnormalities after long-term use.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (10)

1. The pre-bending module for loading the carrier tape is characterized by comprising a frame (1) with a rectangular structure, wherein a rectangular upper opening (111) is formed in the middle of two parallel vertical substrates (11) of the frame (1), upper split plates (112) are arranged at the left end and the right end of the upper opening (111), and an upper pre-bending roller (3) and a lower pre-bending roller (2) which are opposite up and down are arranged in a cavity between the two vertical substrates (11);

two ends of the lower pre-bending roller (2) are rotatably connected to the lower wall of the upper opening (111), a lower cylindrical section (20) is arranged in the middle of the lower pre-bending roller (2), two ends of the lower pre-bending roller are respectively provided with a lower pre-bending section (21), and the lower pre-bending section (21) is a circular table with the diameter gradually increasing from inside to outside;

the two ends of the upper pre-bending roller (3) are respectively and rotatably connected to the floating seat (4), an upper cylindrical section (30) is arranged in the middle of the upper pre-bending roller (3), upper pre-bending sections (31) are respectively arranged at the two ends of the upper pre-bending roller, the upper pre-bending sections (31) are round tables with diameters gradually reduced from inside to outside, the lower cylindrical section (20) and the upper cylindrical section (30) are opposite to each other up and down and have the same length, and the upper pre-bending sections (31) and the lower pre-bending sections (21) are opposite to each other up and down and have the same taper;

the floating seat (4) is positioned in the upper opening (111), the upper end of the floating seat is connected with the elastic buffer part (5), and two ends of the floating seat (4) are respectively connected with the upper sub-plate (112) through guide assemblies (6);

the gap pressure adjusting part (7) comprises eccentric guide rings (71) and guide surface blocks (72), eccentric holes of the two eccentric guide rings (71) are respectively sleeved at two ends of the upper pre-bending roller (3), the guide surface blocks (72) are respectively connected with the lower ends of the upper sub-plates (112), the eccentric guide rings (71) are attached to the upper surfaces of the guide surface blocks (72), and one of the eccentric guide rings (71) is connected with an adjusting handle (73).

2. The pre-bending die set for carrier tape loading according to claim 1, wherein the outer side surface of the lower pre-bending section (21) is further stretched outwards to form a cylindrical lower end ring (22), the outer side surface of the upper pre-bending section (31) is further stretched outwards to form a cylindrical upper end ring (32), and the lower end ring (22) and the upper end ring (32) are opposite to each other.

3. The pre-bending module for carrier tapes with tabs according to claim 2, characterized in that the lower end ring (22) and the upper end ring (32), the upper pre-bending section (31) and the lower pre-bending section (21) have the same length; the bending angle of the upper pre-bending section (31) and the lower pre-bending section (21) is 45 degrees.

4. The pre-bending module for the carrier tape loading material according to claim 1, wherein a lower main shaft (24) of the lower pre-bending roller (2) and the lower cylindrical section (20) are integrally arranged or in key connection, two ends of the lower main shaft (24) are rotatably connected to the lower end wall of the upper opening (111) through bearings, one end of the lower main shaft (24) penetrates through the lower wall of the upper opening (111) and is in key connection with a driven wheel (23).

5. A pre-crimping module for carrier tapes and blanks according to claim 4, characterised in that said driven wheel (23) is a synchronous pulley.

6. The pre-bending module for the carrier tape loading material according to claim 1, wherein the guide assembly (6) comprises a sliding block (61) and vertical sliding rails (62) which are in sliding fit with each other, the two vertical sliding rails (62) are respectively and symmetrically connected to the inner surface of the upper sub-plate (112), the sliding block (61) is installed on an inner ear plate (41), and the inner ear plate (41) is a flat plate formed by respectively extending the inner sides of the left end and the right end of the floating seat (4) outwards.

7. The pre-bending module for the carrier tape loading material according to claim 1, wherein the middle of an upper main shaft (33) of the upper pre-bending roller (3) is connected with a shaft hole of the upper cylindrical section (30) through a bearing, and shaft sections, close to two ends, of the upper main shaft (33) are rotatably connected with the shaft hole of the floating seat (4) through bearings; go up main shaft (33) both ends and still add into locating plane, the eccentric orfice of eccentric guide ring (71) is the major arc shaft hole, the locating plane laminating the chordal section in major arc shaft hole, the holding screw of eccentric guide ring (71) supports and tightly laminates the locating plane.

8. The pre-bending module for the carrier tape loading material according to claim 1, wherein the elastic buffer portion (5) comprises an upper guide rod (51), a guide adjusting sleeve (52) and an upper ejector block (53), two ends of the upper ejector block (53) are respectively connected with the upper surface of the upper sub-plate (112), a vertical screw hole of the upper ejector block (53) is connected with an external threaded column (521) of the guide adjusting sleeve (52), a central shaft hole (522) of the guide adjusting sleeve (52) is in sliding connection with the upper end of the upper guide rod (51), the lower end of the upper guide rod (51) is in threaded connection with the floating seat (4), and a floating spring (54) is further arranged between the lower surface of the external threaded column (521) and the upper surface of the floating seat (4).

9. The pre-bending module for carrier tape loading according to claim 8, wherein the upper end of the guide adjusting sleeve (52) forms a large-diameter operating ring (523);

the upper end of the upper guide rod (51) is further in threaded connection with an upper limiting column (55), and the lower surface of the upper limiting column (55) is located above the upper ejector block (53).

10. The pre-bending module for carrier tape loading according to claim 1, wherein the frame (1) comprises a lower plate (12) and a reinforcement column (13), the lower plate (12) is horizontally arranged, the front end and the rear end of the lower plate are respectively vertically connected with the lower end of the vertical base plate (11), and the front side and the rear side of the upper end of the two upper sub-plates (112) are respectively connected through the reinforcement column (13) to form a rectangular framework.

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