High-pressure forming machine with in-mold locking structure

Abstract

The utility model discloses a high-pressure forming machine with an in-mold locking structure. Comprising a rack, an overturning frame, an upper model frame and a lower model frame, the upper model frame and the lower model frame are arranged in the overturning frame, an upper base plate is arranged at the top of the upper model frame, a main oil cylinder is installed between the upper base plate and a cross beam of the overturning frame, a side pressing oil cylinder is installed on the inner side of a vertical beam of the overturning frame, and a locking assembly is arranged between the side pressing oil cylinder and the upper base plate; the locking assembly comprises side oil cylinders, locking plates and inserting plates, the locking plates are fixedly connected to the two ends of the upper base plate, piston rods of the side pressing oil cylinders penetrate through the locking plates and are provided with pressing plates, the U-shaped inserting plates are connected with the locking plates in a sliding mode, and the inserting plates are matched with the pressing plates and driven by the side oil cylinders. According to the utility model, pressurization and pressure maintaining of the model frame are completed through the single long-stroke main oil cylinder and the two short-stroke side pressing oil cylinders, and the side pressing oil cylinders on the two sides, the insertion plate, the upper base plate and the bottom plate of the overturning frame form an intra-film locking structure, so that the stress conditions of the upright posts and the cross beam of the overturning frame are greatly reduced.

Description

Technical Field

[0001] The utility model relates to a ceramic forming machine, in particular to a high-pressure forming machine with an inner-film locking structure. Background Art

[0002] At present, in the high-pressure production process of sanitary ceramics, large-sized cabinets and basins require relatively high pressure. If a single oil cylinder is used for pressurization, the size and strength of the steel structure frame are relatively large, and the risk of leakage is relatively high; if two oil cylinders are used for pressurization at the same time, the cost is relatively high, and the synchronization problem of the oil cylinders needs to be further solved. The Chinese utility model with the authorization announcement number CN210256690U discloses a model locking mechanism for a sanitary ceramic high-pressure molding machine, which is locked by a locking hook and a fixing plate, and the locking force is small. Utility Model Content

[0003] The utility model aims to solve the above-mentioned technical problems, thereby providing a high-pressure forming machine with an intra-membrane locking structure, which can realize the forming of large-sized cabinet basins using a single smaller diameter main cylinder, simplify the frame steel structure, reduce costs, and reduce synchronization requirements.

[0004] The utility model solves the technical problem and adopts the following technical solution:

[0005] A high-pressure forming machine with an intra-membrane locking structure comprises a frame, a flip frame, and upper and lower mold frames placed in the flip frame, the lower mold frame is placed on the bottom plate of the flip frame, an upper base plate is provided on the top of the upper mold frame, a main oil cylinder is installed between the upper base plate and the cross beam of the flip frame, a side clamping oil cylinder is installed on the inner side of the vertical beam of the flip frame, and a locking assembly is provided between the side clamping oil cylinder and the upper base plate; the locking assembly comprises a side oil cylinder, a locking plate and a plug plate, the locking plate is fixedly connected to both ends of the upper base plate, the piston rod of the side clamping oil cylinder passes through the locking plate and is installed with a clamping plate, the U-shaped plug plate is slidably connected to the locking plate, the plug plate cooperates with the clamping plate and is driven by the side oil cylinder.

[0006] Compared with the prior art, the utility model adopting the above technical solution has the following beneficial effects:

[0007] The pressurization and pressure maintenance of the model frame are achieved through a single long-stroke main cylinder and two short-stroke side clamping cylinders. The side clamping cylinders, plug plates, upper base plates and the bottom plate of the flip frame form an intra-membrane locking structure, which greatly reduces the stress on the flip frame columns and beams, reduces the cost of the hydraulic system, and reduces the requirements for the synchronization of the hydraulic cylinders.

[0008] Further, the optimization scheme of the utility model is:

[0009] Guide plates are respectively installed on both sides of the clamping plate, and the guide plates are symmetrically provided with slideways with L-shaped cross-sections, and the inserting plates are slidably connected with the slideways.

[0010] A T-shaped groove is provided at the inner end of the plug plate, a fixing plate is installed on the piston rod of the side oil cylinder, the fixing plate and the end of the piston rod are placed in the T-shaped groove, and the side oil cylinder is fixedly connected to the upper base plate.

[0011] A guide assembly is provided between the upper base plate and the cross beam of the flip frame. The guide assemblies are respectively located on both sides of the main oil cylinder. The guide assembly includes a guide rod and a guide sleeve. The lower end of the guide rod is fixedly connected to the upper base plate, and the guide sleeve is fixedly connected to the cross beam of the flip frame.

[0012] The main oil cylinder and the side clamping oil cylinder are both parallel to the vertical beam of the turnover frame.

[0013] A bottom-type flipping mechanism is provided between the lower model frame and the bottom plate of the flipping frame, and the bottom-type flipping mechanism includes a flipping cylinder, a lower ear seat, an upper ear seat and a pin. One side of the lower model frame is hinged to the bottom plate of the flipping frame, and a through hole is opened on the other side of the bottom plate. The cylinder body of the flipping cylinder is hinged to the bottom plate through the lower ear seat, and the piston rod of the flipping cylinder passes through the through hole and is hinged to the lower model frame through the upper ear seat and the pin.

[0014] The frame includes symmetrically arranged end frames, and the two end frames are connected by a transverse support.

[0015] The outer sides of the vertical beams of the turnover frame are respectively provided with rotation pins, and the rotation pins are rotationally connected with the frame through bearing seats.

[0016] A tilting cylinder is arranged between the vertical beam of the tilting frame and an end frame of the frame.

[0017] The cylinder diameter of the side clamping oil cylinder is smaller than the cylinder diameter of the main oil cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0019] Figure 2 A schematic diagram for installing the flip frame, the upper model frame and the lower model frame;

[0020] Figure 3 It is a schematic diagram of the rack structure;

[0021] Figure 4 for Figure 3 Figure A of ;

[0022] Figure 5 It is a schematic diagram of the bottom type flipping mechanism.

[0023] In the figure: frame 1; left end frame 1-1; right end frame 1-2; cross support 1-3; bearing seat 1-4; flip frame 2; bottom plate 2-1; vertical beam 2-2; cross beam 2-3; swivel pin 2-4; tilting cylinder 3; connecting ear seat 3-1; shaft pin 3-2; lower model frame 4; hinge assembly 4-1; upper model frame 5; upper base plate 6; main cylinder 7; guide assembly 8; guide rod 8-1; guide sleeve 8-2; side clamping cylinder 9; support plate 9-1; clamping plate 10; locking plate 11; plug plate 12; side cylinder 13; guide plate 14; fixing plate 15; flip cylinder 16; lower ear seat 17; upper ear seat 18; pin 19. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1 This embodiment provides a high pressure molding machine with an inner film locking structure, which is mainly composed of a frame 1, a flip frame 2, a tilting cylinder 3, a lower mold frame 4 and an upper mold frame 5. The frame 1 is mainly composed of a left end frame 1-1, a right end frame 1-2, a cross support 1-3 and a bearing seat 1-4 ( Figure 2 As shown), the left end frame 1-1 and the right end frame 1-2 are both inverted U-shaped, and a horizontal support 1-3 is installed between the bottoms of the vertical frames of the left end frame 1-1 and the right end frame 1-2, and bearing seats 1-4 are installed on the upper parts of the horizontal frames of the left end frame 1-1 and the right end frame 1-2 respectively.

[0026] A turning frame 2 is installed in the frame 1. The turning frame 2 is rectangular and mainly consists of a bottom plate 2-1, a vertical beam 2-2 and a horizontal beam 2-3. The vertical beam 2-2 is a double-column structure with a gap between the two columns. The horizontal beam 2-3 is a welded component. The two ends of the horizontal beam 2-3 are respectively connected to the tops of the two vertical beams 2-2 by bolts. A rotating pin 2-4 is installed on the outer side of the vertical beam 2-2. The rotating pin 2-4 is perpendicular to the vertical beam 2-2. The inner end of the rotating pin 2-4 is welded to the seat plate. The seat plate is connected to the connecting plate by bolts. The connecting plate is welded to the vertical beam 2-2. The rotating pin 2-4 is rotatably connected to the bearing seat 1-4. A tilting cylinder 3 is installed between the right end frame 1-2 and the vertical beam 2-2 of the flipping frame 2. The right end frame 1-2 on one side of the tilting cylinder 3 is provided with a chamfered structure. The cylinder body of the tilting cylinder 3 is hinged to the vertical frame of the right end frame 1-2 through the connecting ear seat 3-1 and the axle pin. The piston rod of the tilting cylinder 3 is hinged to the vertical beam 2-2 through the axle pin 3-2. The axle pin 3-2 is fixedly connected to the vertical beam 2-2. The tilting cylinder 3 drives the flipping frame 2 to perform reciprocating tilting movements.

[0027] Figure 3As shown, a lower model frame 4 is installed on the bottom plate 2-1 of the flip frame 2, an upper model frame 5 is arranged above the lower model frame 4, an upper base plate 6 is installed on the top surface of the upper model frame 5, a main oil cylinder 7 is installed between the center of the upper base plate 6 and the cross beam 2-3 of the flip frame 2, the main oil cylinder 7 is parallel to the vertical beam 2-2, the cylinder body of the main oil cylinder 7 is connected to the cross beam 2-3 by bolts, the piston rod of the main oil cylinder 7 passes through the cross beam 2-3 and a flange is installed at the lower end, and the flange is connected to the upper base plate 6 by bolts. The main oil cylinder 7 pressurizes and maintains the upper model frame 5 and the lower model frame 4 through the upper base plate 6.

[0028] Two groups of guide assemblies 8 are arranged between the upper base plate 6 and the cross beam 2-3 of the flip frame 2. The two groups of guide assemblies 8 are respectively located on both sides of the main cylinder 7. The guide assembly 8 is mainly composed of a guide rod 8-1 and a guide sleeve 8-2. The lower end of the guide rod 8-1 is fixedly connected to the upper base plate 6 through a flange, and the guide sleeve 8-2 is connected to the cross beam 2-3 of the flip frame 2 through bolts. The guide rod 8-1 is slidably connected to the guide sleeve 8-2.

[0029] Side clamping cylinders 9 are respectively installed on the inner sides of the two vertical beams 2-2 of the flip frame 2. The side clamping cylinders 9 are parallel to the vertical beams 2-2. The lower end of the cylinder body of the side clamping cylinder 9 is connected to the support plate 9-1 by bolts. The support plate 9-1 is welded to the lower part of the vertical beam 2-2. A circular clamping plate 10 is installed at the end of the piston rod of the side clamping cylinder 9. The cylinder diameter of the side clamping cylinder 9 is smaller than the cylinder diameter of the main cylinder 7.

[0030] A locking assembly is provided between the side clamping oil cylinder 9 and the upper base plate 6, and the locking assembly is mainly composed of a locking plate 11, a plug plate 12, a side oil cylinder 13, a guide plate 14 and a fixing plate 15. The locking plate 11 is welded to both ends of the upper base plate 6, and a circular hole is provided in the locking plate 11. The piston rod of the side clamping oil cylinder 9 and the clamping plate 10 pass through the circular hole of the locking plate 11. The plug plate 12 is U-shaped, which is placed on the locking plate 11 and is slidably connected with the locking plate 11. The width of the notch of the U-shaped groove of the plug plate 12 is smaller than the diameter of the clamping plate 10. The notch of the U-shaped groove of the plug plate 12 is outward and corresponds to the piston rod of the side clamping oil cylinder 9. Guide plates 14 are respectively installed on both sides of the locking plate 11. The two guide plates 14 are symmetrically provided with slideways with L-shaped cross sections, and the plug plate 12 is slidably matched with the slideways.

[0031] The inner end of the plug plate 12 is provided with a T-shaped groove, and the piston rod of the side oil cylinder 13 is installed with a circular fixing plate 15, and the fixing plate 15 and the end of the piston rod of the side oil cylinder 13 are placed in the T-shaped groove, and the cylinder body of the side oil cylinder 13 is fixedly connected to the upper base plate 6 through a bracket. When locking, the pressing plate 10 of the side clamping oil cylinder 9 is located above the plug plate 12, the piston rod of the side oil cylinder 13 and the plug plate 12 extend, the piston rod of the side clamping oil cylinder 9 is located in the notch of the plug plate 12, the piston rod of the side clamping oil cylinder 9 retracts, and the pressing plate 10 is pressed on the plug plate 12, thereby driving the locking plate 11 and the upper base plate 6 to be pressed downward, and further pressurizing and maintaining the upper mold frame 5 and the lower mold frame 4.

[0032] A bottom-type flipping mechanism is provided between the lower model frame 4 and the bottom plate 2-1 of the flipping frame 2. The bottom-type flipping mechanism is mainly composed of a flipping cylinder 16, a lower ear seat 17, an upper ear seat 18 and a pin 19. The front side of the lower model frame 4 is hinged to the bottom plate 2-1 of the flipping frame 2 through a hinge assembly 4-1. A through hole is provided on the rear side of the bottom plate 2-1. The cylinder body of the flipping cylinder 16 is hinged to the bottom plate 2-1 through the lower ear seat 17. The piston rod of the flipping cylinder 16 passes through the through hole and is hingedly connected to the bottom surface of the lower model frame 4 through the upper ear seat 18 and the pin 19.

[0033] The working process of this embodiment is: the initial state of the main cylinder 7 is that the piston rod is retracted, the initial state of the piston rod of the side clamping cylinder 9 is extended, the initial state of the tilting cylinder 3 is that the piston rod is extended, and the initial state of the whole machine is vertically stationary.

[0034] The whole machine receives the signal to start the mold closing action. After the main cylinder 7 receives the signal, the piston rod starts to extend to press the upper model frame 5 and the lower model frame 4; after pressing in place, the plug plate 12 of the side cylinder 13 extends, and after extending in place, the piston rod of the side clamping cylinder 9 starts to retract until the clamping plate 10 presses the plug plate 12, and the whole machine starts grouting; after the grouting of the whole machine is completed, the tilting cylinder 3 receives a signal, and its piston rod starts to retract, and the flip frame 3 tilts together with the tilting cylinder 3. When the tilting angle is in place, the tilting cylinder 3 receives a signal to stop tilting, and the pressure is maintained and kept still.

[0035] When the molding time is up, the whole machine receives a signal to start the mold opening action, the tilting cylinder 3 receives a signal, and its piston rod starts to extend, and the tilting cylinder 3 drives the flip frame 2 to tilt, and the tilting angle is in place, the whole machine is in a vertical state, and the tilting cylinder 3 receives a signal to stop tilting; after the side clamping cylinder 9 receives a signal, the piston rod starts to extend, and after it is extended in place, the side cylinder 13 drives the plug plate 12 to retract; after the plug plate 12 retracts into place, the main cylinder 7 receives a signal, and its piston rod starts to retract, the upper model frame 5 and the lower model frame 4 are opened and separated, and after the model frame is completely opened, the main cylinder 7 receives a signal to stop retracting, and then other equipment takes out the cabinet basin blank.

[0036] After the basin blank is taken out, the whole machine receives a signal to start the cleaning action, the flip cylinder 16 of the bottom flip mechanism receives a signal, its piston rod begins to extend, the flip cylinder 16 drives the lower model frame 4 to tilt along with the flip cylinder 16, and when the tilting angle is in place, the flip cylinder 16 receives a signal to stop tilting, and the whole machine starts cleaning and flushing. After the cleaning and flushing is completed, the flip cylinder 16 receives a signal, its piston rod begins to retract, and the flip cylinder 16 drives the lower model frame 4 to tilt along with the flip cylinder 16 until the lower model frame 4 and the bottom plate 2-1 of the flip frame 2 are fitted and tilted in place, and the whole machine returns to the initial state, and the above actions are repeated.

[0037] The utility model can adjust the flip frame structure or add a bottom support structure of the model frame, so that the film inner locking structure of the high-pressure molding machine is suitable for model frames of different heights.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A high pressure forming machine with an inner film locking structure, comprising a frame, a turning frame, and upper and lower mold frames placed in the turning frame, wherein the lower mold frame is placed on the bottom plate of the turning frame, and an upper base plate is provided on the top of the upper mold frame, characterized in that: A main oil cylinder is installed between the upper base plate and the horizontal beam of the flip frame, a side clamping oil cylinder is installed on the inner side of the vertical beam of the flip frame, and a locking assembly is provided between the side clamping oil cylinder and the upper base plate; The locking assembly includes a side cylinder, a locking plate and a plug plate. The locking plate is fixed to both ends of the upper base plate. The piston rod of the side clamping cylinder passes through the locking plate and is installed with a clamping plate. The U-shaped plug plate is slidably connected to the locking plate. The plug plate cooperates with the clamping plate and is driven by the side cylinder.

2. The high pressure forming machine with an inner film locking structure according to claim 1, characterized in that: Guide plates are respectively installed on both sides of the clamping plate, and the guide plates are symmetrically provided with slideways with L-shaped cross-sections, and the inserting plates are slidably connected with the slideways.

3. The high pressure forming machine with an inner film locking structure according to claim 1, characterized in that: A T-shaped groove is provided at the inner end of the plug plate, a fixing plate is installed on the piston rod of the side oil cylinder, the fixing plate and the end of the piston rod are placed in the T-shaped groove, and the side oil cylinder is fixedly connected to the upper base plate.

4. The high pressure forming machine with an inner film locking structure according to claim 1, characterized in that: A guide assembly is provided between the upper base plate and the cross beam of the flip frame. The guide assemblies are respectively located on both sides of the main oil cylinder. The guide assembly includes a guide rod and a guide sleeve. The lower end of the guide rod is fixedly connected to the upper base plate, and the guide sleeve is fixedly connected to the cross beam of the flip frame.

5. The high pressure forming machine with an inner film locking structure according to claim 1, characterized in that: The main oil cylinder and the side clamping oil cylinder are both parallel to the vertical beam of the turnover frame.

6. The high pressure forming machine with an inner film locking structure according to claim 1, characterized in that: A bottom-type flipping mechanism is provided between the lower model frame and the bottom plate of the flipping frame, and the bottom-type flipping mechanism includes a flipping cylinder, a lower ear seat, an upper ear seat and a pin. One side of the lower model frame is hinged to the bottom plate of the flipping frame, and a through hole is opened on the other side of the bottom plate. The cylinder body of the flipping cylinder is hinged to the bottom plate through the lower ear seat, and the piston rod of the flipping cylinder passes through the through hole and is hinged to the lower model frame through the upper ear seat and the pin.

7. The high pressure forming machine with an inner film locking structure according to claim 1, characterized in that: The frame includes symmetrically arranged end frames, and the two end frames are connected by a transverse support.

8. The high pressure forming machine with an inner film locking structure according to claim 1, characterized in that: The outer sides of the vertical beams of the turnover frame are respectively provided with rotation pins, and the rotation pins are rotationally connected with the frame through bearing seats.

9. The high pressure forming machine with an inner film locking structure according to claim 1, characterized in that: A tilting cylinder is arranged between the vertical beam of the tilting frame and an end frame of the frame.

10. The high pressure forming machine with an inner film locking structure according to claim 1, characterized in that: The cylinder diameter of the side clamping oil cylinder is smaller than the cylinder diameter of the main oil cylinder.

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