Secondary forming and bending die for automotive glass

Abstract

The invention relates to the field of glass baking and bending facilities, in particular to an automobile glass secondary forming baking and bending mold which comprises a mold seat, lock belt seats are slidably mounted on the two sides of the mold seat, and a plurality of flexible sheet steel belts are mounted between the two lock belt seats in a linear array mode. A plurality of belt guiding wheels are installed on the edges of the two sides of the upper end of the mold base in a linear array mode, the soft sheet steel belt is attached to the belt guiding wheels, locking bases are elastically installed on the edges of the two sides of the lower end of the mold base, grooves are formed in the upper end faces of the locking bases, the belt locking bases are located in the grooves, and the locking bases are connected with the mold base. A locking lug extends from the upper edge of the interior of the groove and penetrates through the middle of the belt locking base, one end of the locking base is connected with a pushing wheel, and a pushing rail is installed on the side face of the pushing wheel in an attached mode. According to the invention, the normal operation of the baking and bending operation is ensured, the product quality is ensured, and the use is also convenient.

Description

Technical Field

[0001] The invention relates to the field of glass bending facilities, in particular to a secondary molding bending mold for automobile glass. Background Art

[0002] Glass bending is a glass processing technology that is mainly used to heat glass products to a softened state, and then sag under its own weight and pass through a mold to form a specific shape and curvature. During the bending process, the glass is first placed horizontally on the mold and sent to the bending machine via a chain conveyor. The bending machine heats the glass to soften it, and then sags under its own weight to fit the mold to form a curved surface, thereby completing the glass bending operation.

[0003] However, when the car windshield is bent, due to the special shape of the car windshield and its irregular edges, it is difficult to keep the car windshield in a horizontal state when placed on the curved surface of the mold, resulting in the glass bending surface being abnormal after subsequent bending and sagging, which seriously affects the product quality. Summary of the invention

[0004] The purpose of the present invention is to provide a secondary molding and bending mold for automobile glass to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a secondary forming and bending mold for automobile glass, comprising a mold base, locking belt seats are slidably installed on both sides of the mold base, and a plurality of soft film steel belts are installed in a linear array between the two locking belt seats, and a plurality of guide rollers are installed in a linear array at both side edges of the upper end of the mold base, and the soft film steel belts are attached to the guide rollers, and locking seats are elastically installed at both side edges of the lower end of the mold base, and a groove is provided on the upper end surface of the locking seat, and the locking belt seat is located inside the groove, and a locking ear extends from the inner upper edge of the groove, and the locking ear runs through the middle part of the locking belt seat, and one end of the locking seat is connected to a pushing wheel, and a push rail is attached to the side of the pushing wheel, and a mounting frame is fixedly installed on the side of the push rail, and a mounting piece is provided in the middle part of the lower end of the mold base.

[0006] Preferably, a plurality of wheel grooves are provided in a linear array at both side edges of the upper end surface of the mold base, the guide pulley is installed inside the wheel groove, a plurality of belt grooves are provided in a linear array at the upper end surface of the mold base, the soft film steel belt is located above the belt groove, a locking hole is provided through the middle of the belt lock seat, and the locking ear is fitted inside the locking hole.

[0007] Preferably, three counterweight blocks are evenly distributed below the mold base, and a plurality of connecting plates are extended in a linear array from the upper end surface of the counterweight block. The ends of the connecting plates are fixed to the soft film steel belt, and three through holes are evenly distributed through the inner bottom surface of the belt groove, and the connecting plates pass through the inside of the through holes.

[0008] Preferably, guide frames are provided at both ends of the locking belt seat, and extending claws are fixedly installed on opposite sides of the two guide frames. The ends of the extending claws are fixed to the mold seat, and a connecting frame is fixedly installed between the two extending claws.

[0009] Preferably, a shell frame is fixedly installed in the middle of the connecting frame, and two pin shells are fixedly installed at the ends of the shell frame. A push pin is coaxially arranged at the ends of the pin shells, one end of the push pin is fixed to the other end of the locking seat, and the other end of the push pin passes through the interior of the pin shell, and the push pin and the pin shell are slidably matched.

[0010] Preferably, the other end of the pushing pin is coaxially inlaid with a pin cap, the pin cap fits against the inner wall of the pin shell, a fixing spring is fixedly installed on the end of the pin cap, the end of the fixing spring is fixed to the inner side of the pin shell, and a No. 2 guide wheel is installed at the front and rear ends of the belt lock seat, and a No. 1 guide wheel is installed at the edges of both sides of the belt lock seat, and the No. 2 guide wheel and the No. 1 guide wheel fit against the inner wall of the guide frame.

[0011] Preferably, the mounting part includes a mold frame fixedly mounted on the middle part of the lower end of the mold base, a mounting head extending from the middle part of the lower end of the mold frame, a mounting seat being fitted on the outer surface of the mounting head, a bearing shell being mounted on the front end of the mounting seat, a mounting ear being elastically mounted inside the bearing shell, the mounting ear extending from the rear end of the bearing shell, and the mounting ear sequentially passes through the front end of the mounting seat and the front end of the mounting head.

[0012] Preferably, a fixing groove is provided at the front end of the mounting head, the end of the mounting ear is fitted into the inside of the fixing groove, the rear edge of the upper end of the mounting ear is inclined, and a pull rod is fixedly installed at the front end of the mounting ear, the pull rod passes through the front end of the load-bearing shell, the pull rod and the load-bearing shell are slidably matched, a spring body is wrapped around the outside of the pull rod, one end of the spring body is fixed to the inner front end of the load-bearing shell, and the other end of the spring body is fixed to the mounting ear, and a shell seat is fixedly installed at the lower end of the load-bearing shell, and the end of the shell seat is fixed to the mounting seat.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the provision of multiple soft steel belts, the automotive glass workpiece can be supported, so that the automotive glass workpiece is placed horizontally on the mold base and sent into the bending machine for bending, thereby ensuring the normal bending operation and product quality.

[0014] 2. When the automobile glass workpiece is heated and completely softened, and the chain conveyor conveys the automobile glass workpiece, the push wheel will move from the horizontal section of the push rail to the inclined section and roll along the inclined section to push the locking seat. At this time, the push pin slides in the pin shell to guide the locking seat, so that the locking ear can be disengaged from the locking hole on the lock belt seat under the drive of the locking seat, so that the lock belt seat can move without the restriction of the locking ear. At this time, the soft film steel belt bends under the gravity of the counterweight block and fits in the belt groove on the mold seat. At the same time, the lock belt seat slides up in the guide frame to adapt to the bending of the soft film steel belt, so that the automobile glass workpiece carried by the soft film steel belt can droop and fit on the mold seat to form a curved surface, thereby completing the baking and bending operation of the automobile glass workpiece. The process does not require manual operation by workers, which effectively facilitates use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a secondary forming and bending mold for automobile glass of the present invention; Figure 2 It is a schematic diagram of a push rail of a secondary molding and bending mold for automobile glass of the present invention; Figure 3 It is a schematic diagram of another viewing angle of a secondary molding and bending mold for automobile glass of the present invention; Figure 4 A secondary forming and bending mold for automobile glass of the present invention Figure 3 A magnified view of middle; Figure 5 A secondary forming and bending mold for automobile glass of the present invention Figure 3 Enlarged view of middle B; Figure 6 It is a schematic diagram of a guide frame of a secondary molding and bending mold for automobile glass according to the present invention; Figure 7 This is a cross-sectional view of a bearing shell of a secondary molding and bending mold for automobile glass of the present invention; Figure 8 A schematic diagram of a mold base for a secondary molding and bending mold for automobile glass according to the present invention; Fig. 9 This is an internal view of a pin shell of a secondary molding and bending mold for automobile glass according to the present invention; Fig.10 This is a usage view of a secondary molding and bending mold for automobile glass according to the present invention.

[0016] In the attached drawings, the list of parts represented by each reference numeral is as follows: 1. mold base; 2. mold frame; 3. mounting head; 4. mounting seat; 5. bearing shell; 6. guide frame; 7. push rail; 8. mounting frame; 9. lock belt seat; 10. soft film steel belt; 11. locking seat; 12. pushing wheel; 13. groove; 14. locking ear; 15. pushing pin; 16. pin shell; 17. fixing spring; 18. pin cap; 19. fixing groove; 20. mounting ear; 21. spring body; 22. pull rod; 23. guide wheel No. 1; 24. guide wheel No. 2; 25. connecting plate; 26. counterweight block; 27. through hole; 28. connecting frame; 29. ​​locking hole; 30. shell frame; 31. guide pulley; 32. wheel groove; 33. belt groove; 34. shell seat; 35. extending claw; 36. automobile glass workpiece. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] The present invention provides a technical solution: Figure 1 - Fig.10 The automotive glass secondary forming and bending mold shown in the figure comprises a mold base 1, both sides of the mold base 1 are slidably installed with locking seats 9, a plurality of soft film steel belts 10 are installed in a linear array between the two locking seats 9, the locking seats 9 can tighten the soft film steel belts 10 to make them straight, a plurality of guide pulleys 31 are installed in a linear array at the edges of both sides of the upper end of the mold base 1, the soft film steel belts 10 are attached to the guide pulleys 31, and the guide pulleys 31 play a role in guiding the soft film steel belts 10, locking seats 11 are elastically installed at the edges of both sides of the lower end of the mold base 1, a groove 13 is provided on the upper end surface of the locking seat 11, the locking seat 9 is located inside the groove 13, the groove 13 plays a role in accommodating the locking seat 9, and a locking belt extends from the inner upper edge of the groove 13 Ear 14, the locking seat 11 plays the role of bearing the locking ear 14, the locking ear 14 runs through the middle of the lock belt seat 9, the locking ear 14 plays the role of fixing the lock belt seat 9, one end of the locking seat 11 is connected with a pushing wheel 12, and the side of the pushing wheel 12 is fitted with a push rail 7, the pushing wheel 12 can be pushed by the push rail 7 to drive the locking ear 14 on the locking seat 11 to move, so that the fixed lock belt seat 9 can be movable, and the side of the push rail 7 is fixedly installed with a mounting frame 8, the mounting frame 8 can be fixed to the frame of the chain conveyor by welding, etc., that is, the push rail 7 is fixed, so that when the chain conveyor drives the mold seat 1 to move, the push rail 7 can push the pushing wheel 12, and a mounting part is provided in the middle of the lower end of the mold seat 1.

[0019] A plurality of wheel grooves 32 are provided in a linear array at both side edges of the upper end surface of the mold base 1, and the guide pulley 31 is installed inside the wheel groove 32, and the wheel groove 32 serves to support the guide pulley 31. A plurality of belt grooves 33 are provided in a linear array on the upper end surface of the mold base 1, and the soft film steel belt 10 is located above the belt groove 33. The soft film steel belt 10 will fit into the belt groove 33 after bending, so that the soft film steel belt 10 and the mold base 1 are coplanar, so that the surface of the automobile glass workpiece 36 can remain smooth after softening and drooping and fitting on the mold base 1, and a locking hole 29 is provided through the middle of the lock belt seat 9, and the locking ear 14 fits inside the locking hole 29, and the locking hole 29 cooperates with the locking ear 14.

[0020] Three counterweights 26 are evenly distributed below the mold base 1. A plurality of connecting pieces 25 are extended in a linear array on the upper end faces of the counterweights 26. The counterweights 26 allow the soft film steel strip 10 to bend. The ends of the connecting pieces 25 are fixed to the soft film steel strip 10. The connecting pieces 25 serve as a connection. Three through holes 27 are evenly distributed on the inner bottom surface of the belt groove 33. The connecting pieces 25 pass through the inside of the through holes 27. The through holes 27 allow the connecting pieces 25 to pass through the mold base 1 normally.

[0021] Guide frames 6 are provided at both ends of the locking belt seat 9, and extending claws 35 are fixedly installed on the opposite sides of the two guide frames 6. The extending claws 35 play the role of fixing the guide frames 6. The ends of the extending claws 35 are fixed to the mold seat 1, and a connecting frame 28 is fixedly installed between the two extending claws 35. The guide frames 6 play the role of guiding the locking belt seat 9.

[0022] A shell frame 30 is fixedly installed in the middle of the connecting frame 28, and two pin shells 16 are fixedly installed at the ends of the shell frame 30. The shell frame 30 plays a role in fixing the pin shells 16. A push pin 15 is coaxially arranged at the end of the pin shell 16. The pin shell 16 plays a role in supporting the push pin 15. One end of the push pin 15 is fixed to the other end of the locking seat 11. The push pin 15 can push the locking seat 11 so that the locking ear 14 on the locking seat 11 and the locking hole 29 on the lock belt seat 9 are engaged. The other end of the push pin 15 passes through the interior of the pin shell 16, and the push pin 15 and the pin shell 16 slide together.

[0023] The other end of the push pin 15 is coaxially inlaid with a pin cap 18, which fits the inner wall of the pin shell 16, and the pin cap 18 plays the role of being pushed by the fixed spring 17. The end of the pin cap 18 is fixedly installed with a fixed spring 17, and the end of the fixed spring 17 is fixed to the inner side of the pin shell 16, and the fixed spring 17 plays the role of pushing the push pin 15 out. The front and rear ends of the belt lock seat 9 are both installed with a No. 2 guide wheel 24, and the edges of both sides of the belt lock seat 9 are both installed with a No. 1 guide wheel 23. The No. 2 guide wheel 24 and the No. 1 guide wheel 23 fit the inner wall of the guide frame 6, and the No. 2 guide wheel 24 and the No. 1 guide wheel 23 play the role of reducing the friction between the belt lock seat 9 and the guide frame 6.

[0024] The mounting part includes a mold frame 2 fixedly mounted on the middle part of the lower end of the mold base 1, a mounting head 3 extending from the middle part of the lower end of the mold frame 2, the mold frame 2 plays a role in supporting the mounting head 3, the outer surface of the mounting head 3 is fitted with a mounting seat 4, the mounting seat 4 can be fixed to the chain plate of the chain conveyor by welding or the like, after the mounting head 3 and the mounting seat 4 are fixed together, the mold base 1 can be installed on the chain conveyor, so that the chain conveyor can drive the mold base 1 to move when working, a bearing shell 5 is installed at the front end of the mounting seat 4, and a mounting ear 20 is elastically installed inside the bearing shell 5, the bearing shell 5 plays a role in supporting the mounting ear 20, the mounting ear 20 extends from the rear end of the bearing shell 5, the mounting ear 20 sequentially passes through the front end of the mounting seat 4 and the front end of the mounting head 3, the mounting ear 20 plays a role in fixing the mounting seat 4 and the mounting head 3 together.

[0025] A fixing groove 19 is provided at the front end of the mounting head 3, and the end of the mounting ear 20 is fitted into the inside of the fixing groove 19, and the fixing groove 19 plays the role of engaging with the mounting ear 20. The rear edge of the upper end of the mounting ear 20 is inclined, which can be easily pushed by the mounting head 3. A pull rod 22 is fixedly installed at the front end of the mounting ear 20, and the pull rod 22 passes through the front end of the bearing shell 5. The pull rod 22 slides with the bearing shell 5, and the pull rod 22 plays the role of facilitating pulling the mounting ear 20. A spring body 21 is wrapped around the outer side of the pull rod 22, one end of the spring body 21 is fixed to the inner front end of the bearing shell 5, and the other end of the spring body 21 is fixed to the mounting ear 20. The spring body 21 can push the mounting ear 20 so that the mounting ear 20 can be engaged in the fixing groove 19 on the mounting head 3, and a shell seat 34 is fixedly installed at the lower end of the bearing shell 5. The shell seat 34 plays the role of fixing the bearing shell 5, and the end of the shell seat 34 is fixed to the mounting seat 4.

[0026] When in use, the mold base 1 is placed on the chain conveyor. At this time, the mounting head 3 is inserted into the mounting seat 4, and the mounting ear 20 is pushed under the action of the inclined surface on the mounting ear 20, so that the mounting ear 20 is moved sideways. At this time, the spring body 21 contracts and deforms. When the mounting head 3 completely enters the mounting seat 4, the spring body 21 recovers its deformation to push the mounting ear 20, so that the mounting ear 20 enters the fixing groove 19 on the mounting head 3 to fix the mounting head 3, so that the mold base 1 is fixed on the chain conveyor, and then the automobile glass workpiece 36 to be bent is placed on the mold base 1. At this time, a plurality of soft film steel belts 10 will support the automobile glass workpiece 36, so that the automobile glass workpiece 36 is placed on the mold base 1 in a horizontal state. Then the chain conveyor drives the automobile glass workpiece 36 on the mold base 1 to move, so that it is sent into the drying and bending machine for heating. At this time, the pushing wheel 12 just moves to the horizontal section of the push rail 7, and waits until the automobile glass workpiece 36 is completely heated. After softening, the chain conveyor will transport the automobile glass workpiece 36. At this time, the push wheel 12 will move from the horizontal section of the push rail 7 to the inclined section and roll along the inclined section to push the locking seat 11. At this time, the push pin 15 slides in the pin shell 16 to guide the locking seat 11, so that the locking ear 14 can be separated from the locking hole 29 on the lock belt seat 9 under the drive of the locking seat 11, so that the lock belt seat 9 can move without the restriction of the locking ear 14, and the soft film The steel strip 10 bends under the gravity of the counterweight block 26 and fits in the strip groove 33 on the mold seat 1. At this time, the lock belt seat 9 slides upward in the guide frame 6 to adapt to the bending of the soft film steel strip 10, so that the automobile glass workpiece 36 carried by the soft film steel strip 10 can droop and fit on the mold seat 1 to form a curved surface, thereby completing the bending operation of the automobile glass workpiece 36. Subsequently, the chain conveyor sends the bent automobile glass workpiece 36 out of the bending machine for cooling and forming.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A secondary molding and bending mold for automobile glass, comprising a mold base (1), characterized in that: The mold base (1) is slidably mounted with a belt lock seat (9) on both sides, and a plurality of soft film steel belts (10) are linearly mounted between the two belt lock seats (9). The upper edge of the mold base (1) is linearly mounted with a plurality of guide rollers (31), and the soft film steel belts (10) are attached to the guide rollers (31). The lower edge of the mold base (1) is elastically mounted with a locking seat (11), and the upper end surface of the locking seat (11) is provided with a groove ( 13), the belt lock seat (9) is located inside the groove (13), a locking ear (14) extends from the inner upper edge of the groove (13), the locking ear (14) runs through the middle of the belt lock seat (9), one end of the locking seat (11) is connected to a driving wheel (12), a push rail (7) is fitted on the side of the driving wheel (12), a mounting frame (8) is fixedly mounted on the side of the push rail (7), and a mounting piece is provided at the middle of the lower end of the mold seat (1).

2. The automotive glass secondary forming and bending mold according to claim 1, characterized in that: A plurality of wheel grooves (32) are formed in a linear array at both side edges of the upper end surface of the mold base (1), the guide pulley (31) is installed inside the wheel groove (32), a plurality of belt grooves (33) are formed in a linear array at the upper end surface of the mold base (1), the soft film steel belt (10) is located above the belt groove (33), a locking hole (29) is formed through the middle of the belt lock base (9), and the locking ear (14) is fitted inside the locking hole (29).

3. The automotive glass secondary forming and bending mold according to claim 2, characterized in that: Three counterweights (26) are evenly distributed below the mold base (1), and a plurality of connecting plates (25) are extended in a linear array from the upper end surface of the counterweight (26). The ends of the connecting plates (25) are fixed to the soft film steel belt (10). Three through holes (27) are evenly distributed and penetrated through the inner bottom surface of the belt groove (33), and the connecting plates (25) penetrate the inside of the through holes (27).

4. The automotive glass secondary forming and bending mold according to claim 1, characterized in that: Guide frames (6) are provided at both ends of the locking belt seat (9), and extending claws (35) are fixedly installed on opposite surfaces of the two guide frames (6), and the ends of the extending claws (35) are fixed to the mold seat (1), and a connecting frame (28) is fixedly installed between the two extending claws (35).

5. The automotive glass secondary forming and bending mold according to claim 4, characterized in that: A shell frame (30) is fixedly mounted in the middle of the connecting frame (28), two pin shells (16) are fixedly mounted at the ends of the shell frame (30), a push pin (15) is coaxially arranged at the ends of the pin shells (16), one end of the push pin (15) is fixed to the other end of the locking seat (11), the other end of the push pin (15) passes through the interior of the pin shell (16), and the push pin (15) and the pin shell (16) are slidably matched.

6. The automotive glass secondary forming and bending mold according to claim 5, characterized in that: The other end of the push pin (15) is coaxially inlaid with a pin cap (18), the pin cap (18) is fitted to the inner wall of the pin shell (16), and a fixing spring (17) is fixedly installed at the end of the pin cap (18), and the end of the fixing spring (17) is fixed to the inner side surface of the pin shell (16). The front and rear ends of the belt lock seat (9) are both equipped with a second guide wheel (24), and the edges of both sides of the belt lock seat (9) are both equipped with a first guide wheel (23), and the second guide wheel (24) and the first guide wheel (23) are fitted to the inner wall of the guide frame (6).

7. The automotive glass secondary forming and bending mold according to claim 1, characterized in that: The mounting component comprises a mold frame (2) fixedly mounted at the middle part of the lower end of the mold base (1); a mounting head (3) extends from the middle part of the lower end of the mold frame (2); a mounting seat (4) is fitted and mounted on the outer surface of the mounting head (3); a bearing shell (5) is mounted at the front end of the mounting seat (4); a mounting ear (20) is elastically mounted inside the bearing shell (5); the mounting ear (20) extends from the rear end of the bearing shell (5); and the mounting ear (20) passes through the front end of the mounting seat (4) and the front end of the mounting head (3) in sequence.

8. The automotive glass secondary forming and bending mold according to claim 7, characterized in that: A fixing groove (19) is provided at the front end of the mounting head (3), the end of the mounting ear (20) is fitted into the interior of the fixing groove (19), the rear edge of the upper end of the mounting ear (20) is inclined, a pull rod (22) is fixedly installed at the front end of the mounting ear (20), the pull rod (22) extends through the front end of the bearing shell (5), the pull rod (22) and the bearing shell (5) are slidably matched, a spring body (21) is wound around the outer side of the pull rod (22), one end of the spring body (21) is fixed to the inner front end of the bearing shell (5), and the other end of the spring body (21) is fixed to the mounting ear (20), and a shell seat (34) is fixedly installed at the lower end of the bearing shell (5), and the end of the shell seat (34) is fixed to the mounting seat (4).

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