Frame type hot press

Abstract

The utility model belongs to the technical field of plate manufacturing, and particularly relates to a frame-type hot press which comprises a base, a pressing plate and a pressing plate. The hot pressing plate group is arranged in the rack; the hydraulic cylinder comprises a piston rod, and the hydraulic cylinder is arranged at the top end of the rack and used for driving the hot pressing plate set to conduct hot pressing operation; the first self-locking mechanism is arranged on the hydraulic cylinder and is used for locking the piston rod; the damping supporting legs are arranged at the bottom of the base, and the damping supporting pieces are evenly distributed at the bottom of the base; wherein the driving end of the hydraulic cylinder is connected with the top end of the hot pressing plate group, and compared with the prior art, the hot pressing device improves the quality of finished plates.

Description

TECHNICAL FIELD

[0001] The utility model sheet manufacturing belongs to technical field, especially relate to a frame type hot press. BACKGROUND

[0002] Frame type hot press is some need through hot press molding plate production process commonly used equipment for effectively melt into plate raw material such as glue, such as the patent disclosed in a combination frame type twenty-five layer board hot press of application No. CN201922159518.0, including front frame, the front frame and rear frame are fixedly connected with top plate and reinforcing plate from top to bottom in turn between the front frame and rear frame, the lower end of the front frame and rear frame is fixedly connected with the support feet arranged symmetrically, the top plate is fixedly connected with the hydraulic cylinder symmetrically left and right, the lower end of the hydraulic cylinder is fixedly connected with the upper pressing plate passing through the top plate, the lower end of the upper pressing plate is movably connected with the equidistantly distributed middle pressing plate, the lower end of the middle pressing plate is movably connected with the lower pressing plate.

[0003] This existing frame type hot press in the use process, due to the oil deficiency or oil pollution in the hydraulic system, oil pump or valve aging, easy to cause the pressure instability phenomenon in the hot pressing process, cause the hot pressing effect of plate to be influenced, reduced the finished product quality of plate, and the fault of hydraulic system also easy to cause the vibration phenomenon of hot press, further influenced the hot pressing effect of hot press to plate, thus it is necessary to make improvement. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a frame type hot press to effectively improve the finished product quality of plate to solve the technical problem in the prior art.

[0005] Therefore, the utility model provides a frame type hot press, which comprises:

[0006] A base is provided with a rack;

[0007] A hot pressing plate group is arranged in the rack;

[0008] A hydraulic cylinder comprising a piston rod is arranged at the top end of the rack to drive the hot pressing plate group to perform hot pressing work;

[0009] Further comprising:

[0010] A first self-locking mechanism is arranged on the hydraulic cylinder to lock the piston rod;

[0011] A plurality of shock-absorbing support feet are arranged at the bottom of the base, and the plurality of shock-absorbing support members are evenly distributed at the bottom of the base;

[0012] The driving end of the hydraulic cylinder is connected with the top end of the hot pressing plate group.

[0013] In the technical solution, when the frame type hot press machine performs hot pressing on the plate, the plate raw material is placed on the hot pressing plate group, and then the hot pressing plate group and the plate raw material are driven by the hydraulic cylinder to perform hot pressing operation. The first self-locking mechanism can effectively prevent the piston rod from retracting after the hydraulic cylinder is pressed down, reduce the instability of the pressure caused by insufficient or contaminated oil in the hydraulic system, and effectively improve the quality of the finished plate. At the same time, the shock absorbing support foot can effectively buffer the vibration caused by the failure of the hydraulic system, thereby reducing the vibration of the hot press machine and preventing the hot pressing effect of the plate from being affected by the vibration, further improving the quality of the finished plate.

[0014] In the above technical solution, further comprising:

[0015] The second self-locking mechanism is arranged on the rack and located outside the hydraulic cylinder, and is used for supplementing the locking of the piston rod.

[0016] In the above technical solution, further, the first self-locking mechanism further comprises:

[0017] The first piston cavity is arranged at the bottom of the side wall of the hydraulic cylinder, and the first piston is arranged in the first piston cavity.

[0018] The first spring is arranged in the first piston cavity.

[0019] The locking rod is arranged in the first piston cavity.

[0020] The oil channel is arranged in the side wall of the hydraulic cylinder.

[0021] The surface of the piston rod is provided with a locking groove matched with the end of the locking rod, the first spring is located on the side of the first piston away from the piston rod, one end of the locking rod is connected with the first piston, and the other end extends to the surface of the piston rod. The outlet end of the oil channel is in communication with the first piston cavity and located on the side of the first piston away from the first spring, and the inlet end of the oil channel is provided with a hydraulic system connecting port.

[0022] In the above technical solution, further, the second self-locking mechanism further comprises:

[0023] The outer shell is arranged on the rack and located outside the hydraulic cylinder.

[0024] The pressing plate mounting shell is arranged at the bottom of the outer shell, and the side of the pressing plate mounting shell facing the piston rod is provided with an opening.

[0025] Locking pressing plate, the locking pressing plate is movably arranged in the pressing plate mounting shell, and the locking pressing plate is provided with a movable rod away from the side of the piston rod;

[0026] Second spring, the second spring is arranged in the pressing plate mounting shell and sleeved on the movable rod, one end of the second spring is connected with the locking pressing plate, and the other end is connected with the inner wall of the pressing plate mounting shell;

[0027] Transmission gear, the transmission gear is rotatably arranged in the outer shell;

[0028] Driving motor, the driving motor is fixedly arranged in the outer shell;

[0029] Follow-up wheel, the follow-up wheel is connected with the driving end of the driving motor through a wheel frame;

[0030] Wherein, the end of the movable rod away from the locking pressing plate is arranged in the outer shell and provided with a rack through the pressing plate mounting shell, the transmission gear is engaged with the rack, the follow-up wheel can abut against the surface of the piston rod and rotate with the piston rod, and the follow-up wheel is in transmission connection with the transmission gear through a belt transmission structure.

[0031] In the above technical scheme, further, the shock support foot further comprises:

[0032] Connecting portion, the top end of the connecting portion is provided with a connecting bolt, the bottom end of the connecting portion is provided with a connecting column, and the bottom end of the connecting column is provided with a limiting clamping plate;

[0033] Buffer portion, the buffer portion is provided with a clamping cavity matched with the connecting column and the limiting clamping plate, and the surface of the buffer portion is provided with an annular groove concentric with the buffer portion;

[0034] Supporting portion, the supporting portion is provided with a connecting cavity;

[0035] Wherein, the connecting portion is connected with the base through the connecting bolt, the buffer portion is arranged between the connecting portion and the supporting portion, the buffer portion is clamped in the connecting cavity at the bottom end, and the limiting clamping plate is clamped in the clamping cavity.

[0036] The beneficial effects of the utility model are:

[0037] 1. The first self-locking mechanism can effectively prevent the piston rod from retreating after the hydraulic cylinder is pressed down, thereby improving the finished product quality of the plate;

[0038] 2. The second self-locking mechanism can further lock the piston rod, thereby further preventing the piston rod from retreating and further improving the finished product quality of the plate.

[0039] 3. The setting of the damping support foot can effectively buffer the vibration caused by the hydraulic system failure, thereby reducing the vibration phenomenon of the hot press, preventing the hot pressing effect of the plate from being affected by vibration, and further improving the finished product quality of the plate. BRIEF DESCRIPTION OF DRAWINGS

[0040] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0041] Figure 1 The present application is a specific embodiment structure schematic diagram.

[0042] Figure 2 The present application is a specific embodiment structure schematic diagram. Figure 2

[0043] The present application is a specific embodiment structure schematic diagram. Figure 3

[0044] The present application is a specific embodiment structure schematic diagram. Figure 4 Figure 2

[0045] Figure 5 The present application is a specific embodiment structure schematic diagram.

[0046] The marks in the figure represent:

[0047] 1, base; 2, rack; 3, hot pressing plate group; 4, hydraulic cylinder; 40, piston rod; 5, first self-locking mechanism; 50, first piston cavity; 51, first piston; 52, first spring; 53, locking rod; 54, oil channel; 55, locking groove; 6, damping support foot; 60, connecting part; 61, connecting bolt; 62, connecting column; 63, limiting clamping plate; 64, buffer part; 65, clamping cavity; 66, annular groove; 67, supporting part; 68, connecting cavity; 7, second self-locking mechanism; 70, outer shell; 71, pressing plate mounting shell; 72, locking pressing plate; 73, movable rod; 74, second spring; 75, transmission gear; 76, driving motor; 77, follow-up wheel; 78, rack; 79, wheel carrier. DETAILED DESCRIPTION

[0048] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0049] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship. The technology, methods and devices known to those skilled in the art can not be discussed in detail, but in appropriate cases, the technology, methods and devices should be considered as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0050] Embodiment 1:

[0051] The embodiment of the present application provides a frame type hot press, comprising: a base 1, the base 1 is provided with a rack 2; a hot pressing plate group 3, the hot pressing plate group 3 is arranged in the rack 2; a hydraulic cylinder 4, the hydraulic cylinder 4 comprises a piston rod 40, the hydraulic cylinder 4 is arranged at the top end of the rack 2 for driving the hot pressing plate group 3 to carry out hot pressing operation;

[0052] Further comprising: a first self-locking mechanism 5, the first self-locking mechanism 5 is arranged on the hydraulic cylinder 4 for locking the piston rod 40; a plurality of shock absorbing support feet 6, the shock absorbing support feet 6 are arranged at the bottom of the base 1, and the plurality of shock absorbing support members are uniformly distributed at the bottom of the base 1;

[0053] Wherein, the driving end of the hydraulic cylinder 4 is connected with the top end of the hot pressing plate group 3.

[0054] Moreover, the base 1, the rack 2 and the hot pressing plate group 3 are all conventional structures, and further comprise a conventional hydraulic system, which will not be repeated here, and a conventional control unit can be installed on the rack 2 for controlling the hydraulic cylinder 4 and the first self-locking mechanism 5 and other structures.

[0055] In this embodiment, when the frame type hot press is used for hot pressing the plate, the plate raw material is placed on the hot pressing plate group 3, and then the hot pressing plate group 3 is driven by the hydraulic cylinder 4 to perform hot pressing on the plate raw material. The first self-locking mechanism 5 can effectively prevent the piston rod 40 from retracting after the hydraulic cylinder 4 is pressed down, reduce the instability of the pressure caused by the lack or pollution of the oil in the hydraulic system, and the aging of the oil pump or valve, effectively improve the quality of the finished plate, and at the same time, the shock absorbing support foot 6 can effectively buffer the vibration caused by the failure of the hydraulic system, thereby reducing the vibration of the hot press, preventing the hot pressing effect of the plate from being affected by the vibration, and further improving the quality of the finished plate.

[0056] Embodiment 2:

[0057] The embodiment provides a frame type hot press, in addition to the technical solutions of the above-mentioned embodiments, further comprising the following technical features, further comprising: a second self-locking mechanism 7, the second self-locking mechanism 7 is arranged on the rack 2 and located outside the hydraulic cylinder 4, and the second self-locking mechanism 7 is used for supplementing the locking of the piston rod 40.

[0058] In this embodiment, the second self-locking mechanism 7 can further supplement the locking of the piston rod 40, thereby further preventing the piston rod 40 from retracting, and further improving the quality of the finished plate.

[0059] Embodiment 3:

[0060] The embodiment provides a frame type hot press, in addition to the technical solutions of the above-mentioned embodiments, further comprising the following technical features, the first self-locking mechanism 5 further comprises: a first piston cavity 50, the first piston cavity 50 is arranged at the bottom of the side wall of the hydraulic cylinder 4, and a first piston 51 is arranged in the first piston cavity 50; a first spring 52, the first spring 52 is arranged in the first piston cavity 50; a locking rod 53, the locking rod 53 is arranged in the first piston cavity 50; an oil channel 54, the oil channel 54 is arranged on the side wall of the hydraulic cylinder 4;

[0061] The surface of the piston rod 40 is provided with a locking groove 55 matched with the end of the locking rod 53, the first spring 52 is located on the side of the first piston 51 away from the piston rod 40, one end of the locking rod 53 is connected with the first piston 51, and the other end extends to the surface of the piston rod 40. The outlet end of the oil channel 54 is in communication with the first piston cavity 50 and located on the side of the first piston 51 away from the first spring 52, and the inlet end of the oil channel 54 is provided with a hydraulic system connecting port. The first self-locking mechanism 5 can have two and be distributed on the two sides of the hydraulic cylinder 4.

[0062] In the embodiment, the hydraulic cylinder 4 moves downward during operation to drive the hot pressing plate group 3 to perform hot pressing, and the end of the locking rod 53 is tightly attached to the piston rod 40 under the action of the first spring 52 during the movement of the piston rod 40. When the locking groove 55 on the piston rod 40 moves to the position of the locking rod 53, the end of the locking rod 53 enters the locking groove 55 under the action of the first spring 52, thereby cooperating with the locking groove 55 to lock the position of the piston rod 40 and prevent the piston rod 40 from moving backward. When the hot pressing operation is completed, the hydraulic oil is injected into the first piston cavity 50 through the oil channel 54 to drive the first piston 51 to move. The first piston 51 overcomes the elastic force of the first spring 52 under the action of the hydraulic oil, thereby driving the locking rod 53 to move and separating the locking rod 53 from the locking groove 55. Finally, the piston rod 40 is unlocked and moves upward. Compared with the prior art, the utility model can effectively prevent the piston rod 40 from moving backward after the hydraulic cylinder 4 is pressed downward, reduce the instability of the pressure caused by the insufficient or contaminated oil in the hydraulic system or the aging of the oil pump or valve, and effectively improve the quality of the finished plate.

[0063] Embodiment 4:

[0064] The embodiment provides a frame type hot pressing machine, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features, the second self-locking mechanism 7 further includes: an outer shell 70, the outer shell 70 is arranged on the rack 2 and is located at the outer side of the hydraulic cylinder 4, a pressing plate mounting shell 71 is arranged at the bottom of the outer shell 70, and the side of the pressing plate mounting shell 71 towards the piston rod 40 is provided with an opening, a locking pressing plate 72 is movably arranged in the pressing plate mounting shell 71, and the side, away from the piston rod 40, of the locking pressing plate 72 is provided with a movable rod 73, a second spring 74 is arranged in the pressing plate mounting shell 71 and is sleeved on the movable rod 73, one end of the second spring 74 is connected with the locking pressing plate 72, and the other end is connected with the inner wall of the pressing plate mounting shell 71, a transmission gear 75 is rotatably arranged in the outer shell 70, a driving motor 76 is fixedly arranged in the outer shell 70, and a follower wheel 77 is connected with the driving end of the driving motor 76 through a wheel frame 79.

[0065] Wherein, the end, away from the locking pressing plate 72, of the movable rod 73 is arranged in the outer shell 70 and is provided with a rack 78, the transmission gear 75 is engaged with the rack 78, the follower wheel 77 can abut against the surface of the piston rod 40 and rotates with the piston rod 40, and the follower wheel 77 is in transmission connection with the transmission gear 75 through a belt transmission structure.

[0066] Moreover, the driving motor 76 can be a conventional linear motor, and the driving motor 76 can also be replaced by a driving cylinder, the driving motor 76 is fixedly installed in the outer shell 70 through a conventional mounting shell, the belt transmission mechanism is a conventional transmission structure, and details are not described herein again, and the second self-locking mechanism 7 can have two and be symmetrically distributed on two sides of the piston rod 40.

[0067] In the embodiment, after the piston rod 40 is moved downward to the limit to form and perform a hot pressing operation, the driving motor 76 starts to drive the wheel frame 79 to move, so that the follower wheel 77 is tightly attached to the surface of the piston rod 40, when the piston rod 40 appears to be back, the follower wheel 77 rotates under the back trend of the piston rod 40, under the transmission of the belt transmission mechanism, the transmission gear 75 rotates at the same time, so as to drive the movable rod 73 engaged with the rack 78 to move, the movable rod 73 moves to drive the locking pressing plate 72 to be close to the piston rod 40 and be tightly pressed on the surface of the piston rod 40, thereby preventing the back trend of the piston rod 40, relative to the prior art, the utility model can effectively prevent the piston rod 40 from appearing to be back after the hydraulic cylinder 4 is pressed down, reduces the phenomenon of unstable pressure caused by insufficient or contaminated oil in the hydraulic system, aging of the oil pump or valve, and effectively improves the finished product quality of the plate.

[0068] Embodiment 5:

[0069] The embodiment provides a frame type hot press, in addition to comprising the technical scheme of the above embodiment, still has the following technical features, the damping support leg 6 still includes: the connecting portion 60, the top end of the connecting portion 60 is provided with connecting bolt 61, the bottom end of the connecting portion 60 is provided with connecting column 62, the bottom end of connecting column 62 is provided with limit stop plate 63;Buffer portion 64, buffer portion 64 is provided with the cavity 65 that cooperates with connecting column 62 and limit stop plate 63, the surface of buffer portion 64 is provided with the annular recess 66 concentric with buffer portion 64;Support portion 67, support portion 67 is provided with connecting cavity 68;

[0070] The embodiments of the application are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other in the case of no conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, and the person skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, which all belong to the protection of the application.

Claims

1. A frame-type hot press, comprising: A base (1) on which a frame (2) is provided; Hot press plate assembly (3), the hot press plate assembly (3) is disposed in the frame (2); Hydraulic cylinder (4), the hydraulic cylinder (4) includes a piston rod (40), the hydraulic cylinder (4) is set at the top of the frame (2) for driving the hot press plate group (3) to perform hot pressing operation; Its characteristic is that it further includes: A first self-locking mechanism (5) is provided on a hydraulic cylinder (4) for locking the piston rod (40); Several shock-absorbing support feet (6) are provided at the bottom of the base (1), and several shock-absorbing support members are evenly distributed at the bottom of the base (1). The driving end of the hydraulic cylinder (4) is connected to the top of the hot press plate assembly (3).

2. A frame-type hot press according to claim 1, characterized in that, Also includes: The second self-locking mechanism (7) is mounted on the frame (2) and located outside the hydraulic cylinder (4). The second self-locking mechanism (7) is used to supplement the locking of the piston rod (40).

3. A frame-type hot press according to claim 2, characterized in that, The first self-locking mechanism (5) further includes: The first piston chamber (50) is located at the bottom of the side wall of the hydraulic cylinder (4), and a first piston (51) is provided in the first piston chamber (50). A first spring (52) is disposed in a first piston chamber (50); A locking rod (53) passes through the first piston chamber (50); Oil passage (54), the oil passage (54) is provided on the side wall of the hydraulic cylinder (4); The piston rod (40) has a locking groove (55) on its surface that engages with the end of the locking rod (53). The first spring (52) is located on the side of the first piston (51) away from the piston rod (40). One end of the locking rod (53) is connected to the first piston (51), and the other end extends to the surface of the piston rod (40). The outlet end of the oil passage (54) is connected to the first piston chamber (50) and is located on the side of the first piston (51) away from the first spring (52). The inlet end of the oil passage (54) is provided with a hydraulic system connection port.

4. A frame-type hot press according to claim 3, characterized in that, The second self-locking mechanism (7) further includes: The outer casing (70) is mounted on the frame (2) and located outside the hydraulic cylinder (4); A pressure plate mounting shell (71) is provided at the bottom of the outer shell (70), and the pressure plate mounting shell (71) has an opening on the side facing the piston rod (40); A locking plate (72) is movably disposed in a plate mounting shell (71), and a movable rod (73) is provided on the side of the locking plate (72) away from the piston rod (40); The second spring (74) is disposed in the pressure plate mounting shell (71) and sleeved on the movable rod (73). One end of the second spring (74) is connected to the locking pressure plate (72), and the other end is connected to the inner wall of the pressure plate mounting shell (71). A transmission gear (75) is rotatably disposed in the outer casing (70); A drive motor (76) is fixedly disposed in the outer casing (70); Follower wheel (77), the follower wheel (77) is connected to the drive end of drive motor (76) through wheel frame (79); The movable rod (73) is located at one end away from the locking plate (72), which extends out of the pressure plate mounting shell (71) and is housed in the outer shell (70) and is provided with a rack (78). The transmission gear (75) meshes with the rack (78). The follower wheel (77) can abut against the surface of the piston rod (40) and rotate as the piston rod (40) moves. The follower wheel (77) is connected to the transmission gear (75) through a belt drive structure.

5. A frame-type hot press according to claim 1, characterized in that, The shock-absorbing support foot (6) also includes: A connecting part (60) is provided with a connecting bolt (61) at its top end and a connecting post (62) at its bottom end. A limit plate (63) is provided at the bottom end of the connecting post (62). The buffer section (64) is provided with a cavity (65) that cooperates with the connecting post (62) and the limiting plate (63). The surface of the buffer section (64) is provided with an annular groove (66) concentric with the buffer section (64). A support portion (67) is provided with a connecting cavity (68); The connecting part (60) is connected to the base (1) by connecting bolts (61), the buffer part (64) is disposed between the connecting part (60) and the support part (67), the bottom end of the buffer part (64) is locked in the connecting cavity (68), and the limiting plate (63) is locked in the locking cavity (65).

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