High-pressure forming equipment

Abstract

The utility model relates to the technical field of model pressing, in particular to high-pressure forming equipment. The lower-layer clamp is driven by the hydraulic assembly to slide, when the die needs to be replaced, the lower-layer clamp can be driven by the hydraulic assembly to move out of the upper portion of the fixing support, the large-size die is directly hoisted or placed on the lower-layer clamp, then the hydraulic assembly is controlled to drive the lower-layer clamp to move back to the upper portion of the fixing support, and pressing work can be conducted; by means of the structure, the die can be rapidly replaced, and the operation difficulty of die replacement is greatly reduced; the second guide rail assembly is arranged to be of a liftable structure, the second guide rail assembly is controlled to ascend when a die needs to be replaced, wheels on the two sides of the lower-layer clamp abut against the second guide rail assembly at the moment, the wheels drive the lower-layer clamp to move on the first guide rail assembly and the second guide rail assembly, and the second guide rail assembly is controlled to descend when a product is pressed. A gap exists between the wheel and the second guide rail assembly, and the lower-layer clamp is stable in position.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of model pressing, in particular to a high-pressure forming equipment. BACKGROUND

[0002] With the rapid development of science and technology, the high-pressure forming equipment has been widely applied. The high-pressure forming equipment mostly comprises upper and lower clamps, a pressing mold is placed between the upper and lower clamps, and materials are added into the mold. The upper and lower clamps are driven to approach each other by a hydraulic equipment, and the materials in the mold are pressed and formed into products by high pressure. When different products are pressed, the mold needs to be replaced. Some molds with small volume can be replaced by manual or mechanical hands. Some molds with large volume need to be replaced by relying on auxiliary tools such as forklifts. Not only the cost is increased, but also the space for replacing the mold in the middle of the high-pressure forming equipment is narrow. The mold needs to be calibrated several times when being replaced, so as to be accurately taken out or placed in the middle of the forming equipment. The efficiency of replacing the mold is greatly reduced, and the production efficiency is affected. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the problem of low efficiency of replacing large molds by auxiliary tools, and provides a high-pressure forming equipment capable of quickly replacing molds.

[0004] The utility model solves the problem by adopting the technical scheme of:

[0005] A high-pressure forming equipment comprises a fixed support and a controller. The top of the fixed support is provided with a lower clamp. An upper clamp vertically movable is arranged above the lower clamp. The lower clamp is used for placing a pressing mold. The top of the fixed support is fixed with a boss. The middle position of the lower clamp is lapped on the boss. The two ends of the lower clamp protrude from the two sides of the boss. Wheels are arranged at the protruding positions. A second guide rail assembly liftable is arranged on the fixed support below the wheels. A first guide rail assembly is arranged at the front end of the fixed support. A hydraulic assembly is arranged on the fixed support. The hydraulic assembly is connected with the controller. The hydraulic assembly is used for driving the lower clamp to slide on the first guide rail assembly and the second guide rail assembly. When the second guide rail assembly is lifted, the top surface of the second guide rail assembly is flush with the top surface of the first guide rail assembly. The wheels abut against the second guide rail assembly. When the second guide rail assembly is lowered, the wheels are spaced apart from the second guide rail assembly.

[0006] The utility model adopts the above technical scheme, and has the beneficial effects compared with the prior art:

[0007] The utility model discloses a first guide rail assembly is provided at the front end of the fixed support, and a second guide rail assembly is provided at the top of the fixed support, and the lower fixture is slid on the first guide rail assembly and the second guide rail assembly through the hydraulic assembly, when the mold needs to be replaced, the lower fixture can be removed from above the fixed support through the hydraulic assembly, and the bulky mold can be directly hoisted or lowered to the lower fixture, then the lower fixture is moved into above the fixed support through the hydraulic assembly, and the pressing work can be carried out, the structure of the utility model can quickly replace the mold, and the operation difficulty of mold changing is greatly reduced, the second guide rail assembly at the top of the fixed support is arranged as a lifting structure, the second guide rail assembly is lifted when the mold needs to be replaced, the second guide rail assembly is spliced with the first guide rail assembly to form a sliding rail, at this time, the wheels on the two sides of the lower fixture abut on the second guide rail assembly, the lower fixture is moved on the first guide rail assembly and the second guide rail assembly through the wheels, the second guide rail assembly is lowered when the product is pressed, and at this time, there is a gap between the wheels and the second guide rail assembly, so that the position of the lower fixture is stable.

[0008] As preferred, the utility model further provides a technical scheme:

[0009] The hydraulic assembly comprises a walking oil cylinder and a synchronous frame, the cylinder body part of the walking oil cylinder is fixedly inserted in the fixed support, the movement direction of the piston rod of the walking oil cylinder is parallel to the length direction of the first guide rail assembly, the front end of the piston rod of the walking oil cylinder is connected with one end of the synchronous frame, and the other end of the synchronous frame is connected with the front end of the lower fixture. By arranging the synchronous frame, when the piston rod of the walking oil cylinder is retracted and extended, the lower fixture is moved on the first guide rail assembly and the second guide rail assembly.

[0010] The first guide rail assembly comprises two first guide rails, and the second guide rail assembly comprises two second guide rails, one end of the two first guide rails is fixed at the front end of the fixed support, and the front ends of the two second guide rails are respectively attached to the rear ends of the two first guide rails. Through the above structure, the lower fixture can stably walk on the first guide rail and the first guide rail.

[0011] The fixed support on the two sides of the boss is respectively provided with a jacking oil cylinder, and the front end of the piston rod of the jacking oil cylinder is fixedly connected with the second guide rail and protrudes from the top surface of the fixed support. The piston rod of the jacking oil cylinder drives the second guide rail to ascend and descend.

[0012] The front end of the first guide rail is provided with a first proximity switch, the rear end of the second guide rail is provided with a second proximity switch, and the first proximity switch and the second proximity switch are respectively connected with a controller. The first proximity switch and the second proximity switch detect whether the lower fixture is moved in place, so as to control the walking oil cylinder to stop in time.

[0013] The left and right ends of the fixing support are provided with guide rods, the top ends of the guide rods are fixed with a fixed frame, the two ends of the upper clamp are movably sleeved on the guide rods between the fixed frame and the lower clamp, a main oil cylinder is fixed on the fixed frame, and the piston rod front end of the main oil cylinder is fixed with the upper clamp.

[0014] The bottom of the fixed frame is provided with a third proximity switch, the third proximity switch is connected with the controller, and the top of the upper clamp corresponding to the vertical position of the third proximity switch is provided with a detection plate. When the upper clamp moves upward, the third proximity switch detects the upward movement of the upper clamp, and when the third proximity switch detects that the detection plate is close, the controller controls the main oil cylinder to stop in time, so as to avoid damage to the fixed frame and the upper clamp. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the embodiment of the application;

[0016] Figure 2 is another angle structural schematic diagram of the embodiment of the application;

[0017] Figure 3 is Figure 2 is a partial enlarged view of A in FIG. 4;

[0018] Figure 4 is a perspective view when the upper clamp of the embodiment of the application moves downward;

[0019] Figure 5 is Figure 4 is a partial enlarged view of B in FIG. 4;

[0020] Figure 6 is a perspective view when the lower clamp of the embodiment of the application moves out of the pressing space;

[0021] Figure 7 is a side view when the lower clamp of the embodiment of the application moves out of the pressing space.

[0022] In the figure: 1, main oil cylinder; 2, fixed frame; 21, third proximity switch; 3, upper clamp; 31, detection plate; 4, guide rod; 5, lower clamp; 51, wheel; 52, second proximity switch; 6, first guide rail; 61, first proximity switch; 7, guide rail frame; 8, second guide rail; 81, walking oil cylinder; 82, synchronization frame; 9, fixing support; 91, boss; 10, jacking oil cylinder. DETAILED DESCRIPTION

[0023] The utility model makes further illustration in combination with the embodiment, the purpose is only in better understanding the utility model content, therefore, the example does not limit the protection scope of the utility model.

[0024] With reference Figures 1-7 The utility model discloses a high -pressure forming equipment, including fixed support 9 and controller, the fixed support 9 top place has the lower fixture 5, specifically, the fixed support 9 top middle fixed has the boss 91 that protrudes upwards, the lower fixture 5's middle position is overlapped and is placed on the boss 91, and the left and right ends of lower fixture 5 protrude from the boss 91, and its protruding position is provided with the wheel 51, the lower fixture 5 top is provided with the upper fixture 3 that can vertically move, and the upper fixture 3 and the lower fixture 5 between are the pressing space, and the pressing mould is placed on the lower fixture 5, the wheel 51 below, the fixed support 9 on the both sides of boss 91 is provided with the second guide rail assembly that can lift, and the front end of fixed support 9 is provided with the first guide rail assembly, the fixed support 9 is provided with hydraulic assembly, and the hydraulic assembly is connected with the controller, and the hydraulic assembly is used to drive the lower fixture 5 to slide on the first guide rail assembly and the second guide rail assembly, when the second guide rail assembly rises, the top surface of second guide rail assembly and first guide rail assembly is flush, and the wheel 51 and second guide rail assembly abut, when the second guide rail assembly drops, the wheel 51 and second guide rail assembly are spaced apart.

[0025] In the embodiment, the first guide rail assembly includes two first guide rails 6, the two first guide rails 6 are respectively arranged on the fixed support 9 below the boss 91 and the wheel 51, the second guide rail assembly includes two second guide rails 8, the two second guide rails 8 are respectively arranged on the fixed support 9 below the boss 91 and the wheel 51, specifically, two oil cylinder grooves are formed in the lower part of the left and right sides of the boss 91, a jack oil cylinder 10 is fixed in each oil cylinder groove, a through hole is formed in the fixed support 9 above the oil cylinder groove, the piston rod of the jack oil cylinder 10 extends upward through the through hole, and the front end of the piston rod is fixed to the second guide rail 8 above, the second guide rail 8 is lifted and lowered by the piston rod of the jack oil cylinder 10, a guide rail frame 7 is fixed below each first guide rail 6, the rear end of the two guide rail frames 7 is fixed to the front end of the fixed support 9, the second guide rail 8 and the first guide rail 6 on the same side are in a straight line in the horizontal plane and are parallel to each other in the vertical plane, and the front end of each second guide rail 8 is attached to the rear end of each first guide rail 6. Through the above structure, the second guide rail 8 is lifted and lowered on the fixed support 9 by the jack oil cylinder 10, when the second guide rail 8 is lifted, the top surfaces of the first guide rail 6 and the second guide rail 8 are in the same horizontal plane, so that the wheel 51 of the lower fixture 5 stably walks on the first guide rail 6 and the first guide rail 6.

[0026] In the embodiment, the hydraulic assembly comprises a walking oil cylinder 81 and a synchronous frame 82, and an oil cylinder hole is formed in the middle of the fixed support 9, the axial direction of the oil cylinder hole is parallel to the length direction of the first guide rail 6 and the second guide rail 8, the movement direction of the piston rod of the walking oil cylinder 81 is parallel to the length direction of the first guide rail assembly, the cylinder body part of the walking oil cylinder 81 is fixedly inserted into the oil cylinder hole, and the piston rod of the walking oil cylinder 81 protrudes from the front end of the fixed support 9, the front end of the piston rod of the walking oil cylinder 81 is connected with the lower end of the synchronous frame 82, and the upper end of the synchronous frame 82 is connected with the front end of the lower-layer clamp 5. The piston rod of the walking oil cylinder 81 drives the synchronous frame 82 to move, and the synchronous frame 82 synchronously drives the lower-layer clamp 5 to move on the first guide rail assembly and the second guide rail assembly.

[0027] In the embodiment, the first proximity switch 61 is arranged outside the front end of the first guide rail 6, the second proximity switch 52 is arranged outside the rear end of the second guide rail 8, and the first proximity switch 61 and the second proximity switch 52 are respectively connected with the controller; when the first proximity switch 61 detects a position signal, it represents that the lower-layer clamp 5 has completely moved out of the pressing space at this time, at which time the controller controls the piston rod of the walking oil cylinder 81 to timely stop extending, and when the second proximity switch 52 detects a position signal, it represents that the lower-layer clamp 5 has completely moved back to the pressing space at this time, at which time the controller controls the piston rod of the walking oil cylinder 81 to timely stop retracting. The first proximity switch 61 and the second proximity switch 52 detect whether the lower-layer clamp 5 is moved to the position, so as to timely control the walking oil cylinder 81 to stop, thereby avoiding causing damage to the equipment.

[0028] In the embodiment, two guide rods 4 are respectively arranged at the left and right ends of the top of the fixed support 9, guide holes are respectively formed at the positions corresponding to the guide rods 4 at the left and right ends of the upper-layer clamp 3, the upper-layer clamp 3 is movably sleeved on the guide rods 4 through the guide holes, a fixed frame 2 is fixed on the guide rods 4 above the upper-layer clamp 3, a main oil cylinder 1 is fixed in the middle of the fixed frame 2, and the front end of the piston rod of the main oil cylinder 1 is fixed with the top surface of the upper-layer clamp 3. The main oil cylinder 1 drives the upper-layer clamp 3 to move vertically, so as to change the pressing space height between the upper-layer clamp 3 and the lower-layer clamp 5, so as to press the product; when the main oil cylinder 1 drives the upper-layer clamp 3 to move, the guide rods 4 limit the movement direction of the upper-layer clamp 3, so that the upper-layer clamp 3 can only move vertically, thereby avoiding deviation or inclination of the upper-layer clamp 3 when moving, and affecting the pressing effect.

[0029] In the embodiment, one side wall of the bottom of the fixed frame 2 is fixed with a third proximity switch 21 protruding downward, the third proximity switch 21 is connected with the controller, and a detection plate 31 is fixed on the top of the upper clamp 3 corresponding to the vertical position of the third proximity switch 21. When the upper clamp 3 moves upward, the detection plate 31 is gradually brought close to the third proximity switch 21, and when the third proximity switch 21 detects the position signal of the detection plate 31, a signal is sent to the controller in time, and the controller controls the main oil cylinder 1 to stop retracting in time, so that the fixed frame 2 and the upper clamp 3 are prevented from being damaged.

[0030] The utility model discloses a first guide rail 6 is provided at the front end of fixed support 9, and second guide rail 8 is provided at the top of fixed support 9, when the lower clamp 5 is placed with mould, and when carrying out pressure material operation, the piston rod of jacking oil cylinder 10 is in retraction state, the bottom surface of second guide rail 8 is attached with the top surface of fixed support 9 at this time, and there is a certain gap between the track surface of second guide rail 8 and the wheel 51 of lower clamp 5, and the boss 91 supports the middle position of lower clamp 5, so as to guarantee the position stability of lower clamp 5, and the main oil cylinder 1 is controlled to drive upper clamp 3 to move, and the pressure material action can be realized, when needing to replace the mould on lower clamp 5, first, the jacking oil cylinder 10 is controlled to drive second guide rail 8 to rise, makes the wheel surface of second guide rail 8 and wheel 51 contact, and the piston rod of walking oil cylinder 81 is controlled to extend, drives lower clamp 5 to move out of the compression space and moves to first guide rail 6, then through hoisting or lowering etc. Mode, the bulky mould can be directly placed on lower clamp 5, the piston rod of walking oil cylinder 81 is retracted, and lower clamp 5 is moved back to the compression space and carries out pressure material action again, the structure of the utility model can quickly replace the mould, and the operation difficulty of mould changing is greatly reduced, the second guide rail assembly at the top of fixed support 9 is set as liftable structure, the second guide rail assembly is controlled to rise when needing to change mould, makes the second guide rail assembly and first guide rail assembly splice and form slide rail, at this time, the wheel 51 on both sides of lower clamp 5 abuts on the second guide rail assembly, and lower clamp 5 is driven to move on first guide rail assembly and second guide rail assembly through wheel 51, the second guide rail assembly is controlled to descend when pressing product, and there is interval between wheel 51 and second guide rail assembly, and lower clamp 5 is supported by boss 91 when pressing, and the position is more stable.

[0031] The above-mentioned is only the preferable and feasible embodiment of the utility model, and is not limited to the scope of the utility model, and equivalent changes made by applying the utility model specification and its drawings are included in the scope of the utility model.

Claims

1. A high-pressure forming apparatus comprising a fixed support, a lower clamp provided on the fixed support, an upper clamp vertically movable above the lower clamp, and a controller, wherein a pressing mold is placed on the lower clamp, and characterized in that: The top of the fixed support is fixed with a boss, the middle position of the lower clamp is overlapped on the boss, the two ends of the lower clamp protrude from the two sides of the boss, and wheels are arranged at the protruding positions, a second guide rail assembly that can be lifted is arranged on the fixed support below the wheels, and a first guide rail assembly is arranged at the front end of the fixed support; a hydraulic assembly is arranged on the fixed support, the hydraulic assembly is connected with the controller, and the hydraulic assembly is used to drive the lower clamp to slide on the first guide rail assembly and the second guide rail assembly; when the second guide rail assembly is lifted, the top surface of the second guide rail assembly is flush with the top surface of the first guide rail assembly, and the wheels abut against the second guide rail assembly; when the second guide rail assembly is lowered, the wheels and the second guide rail assembly are arranged in a spaced mode. ​ 2. The high-pressure forming apparatus according to claim 1, characterized by: The hydraulic assembly comprises a walking oil cylinder and a synchronous frame, the cylinder body part of the walking oil cylinder is fixedly inserted in the fixed support, the movement direction of the piston rod of the walking oil cylinder is parallel to the length direction of the first guide rail assembly, the front end of the piston rod of the walking oil cylinder is connected with one end of the synchronous frame, and the other end of the synchronous frame is connected with the front end of the lower clamp.

3. The high pressure forming apparatus of claim 1, wherein: The first guide rail assembly comprises two first guide rails, the second guide rail assembly comprises two second guide rails, and one end of the two first guide rails is fixed at the front end of the fixed support, and the front ends of the two second guide rails are respectively attached to the rear ends of the two first guide rails.

4. The high pressure forming apparatus of claim 3, wherein: The fixed supports on the two sides of the boss are respectively provided with lifting oil cylinders, and the front ends of the piston rods of the lifting oil cylinders are fixedly connected with the second guide rails and protrude from the top surface of the fixed support.

5. The high pressure forming apparatus of claim 3, wherein: The front end of the first guide rail is provided with a first proximity switch, and the rear end of the second guide rail is provided with a second proximity switch, and the first proximity switch and the second proximity switch are respectively connected with the controller.

6. The high pressure forming apparatus of claim 1, wherein: The left and right ends of the fixed support are respectively provided with guide rods, the top ends of the guide rods are fixed with fixed frames, the two ends of the upper clamp are movably sleeved on the guide rods between the fixed frames and the lower clamp, a main oil cylinder is fixed on the fixed frame, and the front end of the piston rod of the main oil cylinder is fixed with the upper clamp.

7. The high pressure forming apparatus of claim 6, wherein: The bottom of the fixed frame is provided with a third proximity switch, the third proximity switch is connected with the controller, and the top of the upper clamp corresponding to the vertical position of the third proximity switch is provided with a detection plate.

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