Demolding device for press machine
By using a mold release device with sliding blocks and springs in the press, the surface damage caused by workpiece jamming is solved, automatic mold release is achieved, processing efficiency and quality is improved, and the mold is conveniently maintained.
Patent Information
- Application Number
- CN202422553760.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The existing press release device needs to be pried out with a tool when the workpiece is stuck, resulting in damage to the workpiece surface and affecting the processing quality and efficiency.
A mold release device including a sliding block and a spring is designed. Through the cooperation of the sliding block and the spring, the workpiece is automatically ejected and pushed out, and pried away by using tools.
Improves processing efficiency and quality, avoids workpiece surface damage, and mold components are easy to disassemble, repair and replace.
Smart Images

Figure CN223250406U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of demoulding, in particular to a demoulding device for a press. Background Art
[0002] A press is a sophisticated piece of mechanical equipment that applies strong pressure to the workpiece to achieve material forming, punching, bending and other processing techniques. It has the characteristics of wide application and high production efficiency. The press demoulding device is a mechanical device that removes the formed workpiece from the mold, thereby improving production efficiency and product quality.
[0003] Existing press demoulding devices often use ejection to demould, pushing the formed workpiece out of the die, and then allowing workers to remove the workpiece from the punch. However, sometimes the workpiece is stuck in the mold and difficult to remove, so tools are needed to pry the workpiece off, causing damage to part of the workpiece surface, affecting processing quality and efficiency. Utility Model Content
[0004] The purpose of the present invention is to provide a demoulding device for a press machine, so as to solve the problem proposed in the above background technology that a workpiece is stuck in a mold and is difficult to remove, and a tool is needed to pry the workpiece off, resulting in damage to the surface of part of the workpiece, affecting the processing quality and efficiency. To achieve the above purpose, the present invention provides the following technical solutions: a demoulding device for a press machine, comprising a base, a lower mold assembly is arranged on the top of the base, the lower mold assembly comprises a bottom plate, the bottom plate is movably connected to a bolt 2 inside, the bottom plate is fixedly connected to the top of the base by the bolt 2, the top of the bottom plate is fixedly connected to a fixed seat, the fixed seat is movably connected to a bolt 1 inside, the fixed seat and the bottom plate are connected by the bolt 1, a sliding groove 3 is provided inside the fixed seat, a fixed block is fixedly connected to the inside of the sliding groove 3, a spring 2 is fixedly connected to the inside of the bottom plate, a sliding block 3 is fixedly connected to the top of the spring 2, and the sliding block 3 can move up and down inside the sliding groove 3.
[0005] Further preferably, the top of the base is fixedly connected to a piston rod, the top of the piston rod is fixedly connected to a piston plate, and the side surface of the piston plate is movably connected to a piston cylinder.
[0006] Further preferably, the top of the piston cylinder is fixedly connected to a protrusion 1, one side of the protrusion 1 is fixedly connected to a support plate, a sliding groove 4 is provided inside the support plate, the top of the support plate is fixedly connected to a protrusion 2, and a sliding groove 1 is provided inside the protrusion 2.
[0007] Further preferably, an upper mold assembly is provided at the bottom of the support plate, and the upper mold assembly includes a pressure plate, the top of the pressure plate is fixedly connected to a sliding rod 1, the other end of the sliding rod 1 is movably connected to the inside of the sliding groove 4, and the top of the pressure plate is fixedly connected to a spring 1, and the other end of the spring 1 is fixedly connected to the inside of the support plate.
[0008] Further preferably, the upper mold assembly also includes a movable block 1, the movable block 1 is fixedly connected to the bottom of the support plate, a sliding groove 2 is opened inside the movable block 1, the sliding groove 2 is movably connected to the movable block 2, the top of the movable block 2 is fixedly connected to the sliding rod 2, the top of the sliding rod 2 is fixedly connected to the sliding plate, the sliding plate is movably connected to the inside of the sliding groove 1, the top of the sliding plate is fixedly connected to the sliding rod 3, and the top of the sliding rod 3 is fixedly connected to the handle.
[0009] Further preferably, a control box is fixedly connected to the top of the base, and a control button is movably connected to one side of the control box.
[0010] Compared with the prior art, the present invention has the following beneficial effects:
[0011] In the utility model, through the setting of the sliding block three and the spring two, the formed workpiece can be directly ejected into the interior of the sliding groove two when the upper mold assembly withdraws. Then, the handle is pressed downward, and the sliding plate is driven to move downward by the sliding rod three, thereby pushing the movable block two to move downward through the sliding rod two to eject the formed workpiece. No additional tools are needed, thereby improving the processing efficiency and processing quality.
[0012] In the utility model, the device has a small overall size and a simple structure. At the same time, since the mold assembly and the base are connected by bolts, it is convenient to disassemble for maintenance and replacement. Molds of different shapes can also be replaced to process different workpieces. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;
[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 ;
[0015] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional structure of the utility model Figure 1 ;
[0016] Figure 4 For this utility model Figure 3 A in the middle is an enlarged structural diagram;
[0017] Figure 5 For this utility model Figure 3 The enlarged structural diagram at B in the middle;
[0018] Figure 6 This is a schematic diagram of the cross-sectional three-dimensional structure of the utility model Figure 2 .
[0019] In the figure: 1. base; 2. support plate; 3. piston rod; 4. upper mold assembly; 5. lower mold assembly; 6. control box; 201. bump one; 202. bump two; 203. sliding groove one; 204. sliding groove four; 301. piston cylinder; 302. piston plate; 401. pressure plate; 402. movable block one; 403. spring one; 404. sliding rod one; 405. movable block two; 406. sliding rod two; 407. sliding plate; 408. sliding rod three; 409. handle; 410. sliding groove two; 501. bottom plate; 502. fixing seat; 503. bolt one; 504. sliding block three; 505. sliding groove three; 506. spring two; 507. fixing block; 508. bolt two; 601. control button. DETAILED DESCRIPTION
[0020] 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 embodiments described 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 technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.
[0021] See also Figures 1-6 The utility model provides a technical solution: a demoulding device for a press machine, comprising a base 1, a lower mold assembly 5 is arranged on the top of the base 1, and the lower mold assembly 5 includes a bottom plate 501, and the bottom plate 501 is movably connected to the internal connection of bolt 2 508, and the bottom plate 501 is fixedly connected to the top of the base 1 by bolt 2 508, and the top of the bottom plate 501 is fixedly connected to the fixed seat 502, and the internal movably connection of the fixed seat 502 is bolt 1 503, and the fixed seat 502 and the bottom plate 501 are connected by bolt 1 503. A sliding groove 3 505 is opened inside the fixed seat 502, and a fixed block 507 is fixedly connected inside the sliding groove 3 505, and a spring 2 506 is fixedly connected inside the bottom plate 501, and a sliding block 3 504 is fixedly connected to the top of the spring 2 506, and the sliding block 3 504 can move up and down inside the sliding groove 3 505, and the movable block 1 402 pushes the sliding block 3 504 to slide down, thereby squeezing the spring 2 506.
[0022] In this embodiment, Figure 1 and Figure 3As shown, the top of the base 1 is fixedly connected to the piston rod 3, the top of the piston rod 3 is fixedly connected to the piston plate 302, and the side surface of the piston plate 302 is movably connected to the piston cylinder 301, so that the workpiece is formed, and then the movable block 1 402 exits the sliding groove 3 505, and the spring 2 506 rebounds to push out the formed workpiece.
[0023] In this embodiment, Figure 1 、 Figure 2 and Figure 6 As shown, the top of the piston cylinder 301 is fixedly connected to a protrusion 201, one side of the protrusion 201 is fixedly connected to a support plate 2, a sliding groove 4 204 is provided inside the support plate 2, and the top of the support plate 2 is fixedly connected to a protrusion 202, a sliding groove 1 203 is provided inside the protrusion 202. By starting the device through the control box 6, the piston cylinder 301 can drive the support plate 2 to press downward, thereby driving the upper mold assembly 4 to move downward.
[0024] In this embodiment, Figure 4 、 Figure 5 and Figure 6 As shown, an upper mold assembly 4 is provided at the bottom of the support plate 2, and the upper mold assembly 4 includes a pressing plate 401, and the top of the pressing plate 401 is fixedly connected to a sliding rod 404, and the other end of the sliding rod 404 is movably connected to the inside of the sliding groove 4 204, and the top of the pressing plate 401 is fixedly connected to a spring 403, and the other end of the spring 403 is fixedly connected to the inside of the support plate 2.
[0025] In this embodiment, Figure 4 、 Figure 5 and Figure 6As shown, the upper mold assembly 4 also includes a movable block 1 402, which is fixedly connected to the bottom of the support plate 2, and a sliding groove 2 410 is provided inside the movable block 1 402. The interior of the sliding groove 2 410 is movably connected to a movable block 2 405, and the top of the movable block 2 405 is fixedly connected to a sliding rod 2 406, and the top of the sliding rod 2 406 is fixedly connected to a sliding piece 407, and the sliding piece 407 is movably connected to the interior of the sliding groove 1 203. The top of the sliding piece 407 is fixedly connected to a sliding rod 3 408, and the top of the sliding rod 3 408 is fixedly connected to a handle 409. When the pressing plate 401 is pressed onto the original, the piston cylinder 301 drives the support plate 2 to continue to move Press down to make the support plate 2 squeeze the spring 1 403, push the movable block 1 402 downward, and make the movable block 1 402 push the sliding block 3 504 downward, squeezing the spring 2 506. At this time, the movable block 2 405 moves to the top of the sliding groove 2 410, thereby forming the workpiece. Then, the control box 6 controls the piston cylinder 301 to move upward, so that the movable block 1 402 exits the sliding groove 3 505, and the spring 2 506 rebounds to push the formed workpiece out. Then, the handle 409 is pressed downward, and the sliding piece 407 is driven to move downward through the sliding rod 3 408, thereby pushing the movable block 2 405 downward through the sliding rod 2 406 to eject the formed workpiece.
[0026] In this embodiment, Figure 1 、 Figure 2 and Figure 3 As shown, a control box 6 is fixedly connected to the top of the base 1 , and a control button 601 is movably connected to one side of the control box 6 .
[0027] The use method and advantages of the utility model: When the demoulding device for a press is used, the working process is as follows:
[0028] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, when in use, the original workpiece to be punched is placed on the top of the fixed seat 502, and then the device is started through the control box 6, so that the piston cylinder 301 drives the support plate 2 to press downward, thereby driving the upper mold assembly 4 to move downward. When the pressure plate 401 is pressed onto the original workpiece, the piston cylinder 301 drives the support plate 2 to continue to press downward, so that the support plate 2 squeezes the spring 1 403, pushing the movable block 1 402 to move downward, so that the movable block 1 402 pushes the sliding block 3 504 to slide down, squeezing the spring 2 506. At this time, the movable block 2 405 moves to the top of the sliding groove 2 410, thereby forming the workpiece. Then, the control box 6 controls the piston cylinder 301 to move upward, so that the movable block 1 402 exits the sliding groove 3 505, and the spring 2 506 rebounds to push the formed workpiece out. Then, the handle 409 is pressed downward, and the sliding plate 407 is driven downward by the sliding rod 3 408, thereby pushing the movable block 2 405 downward through the sliding rod 2 406 to eject the formed workpiece.
[0029] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.
Claims
1. A demoulding device for a press, comprising a base (1), characterized in that: A lower mold assembly (5) is provided on the top of the base (1), and the lower mold assembly (5) includes a bottom plate (501), the bottom plate (501) is movably connected to a second bolt (508), and the bottom plate (501) is fixedly connected to the top of the base (1) by the second bolt (508), the top of the bottom plate (501) is fixedly connected to a fixed seat (502), the inside of the fixed seat (502) is movably connected to a first bolt (503), the fixed seat (502) and the bottom plate (501) are connected by the first bolt (503), a sliding groove (505) is provided inside the fixed seat (502), a fixed block (507) is fixedly connected inside the sliding groove (505), a spring (506) is fixedly connected inside the bottom plate (501), and a sliding block (504) is fixedly connected to the top of the spring (506), and the sliding block (504) can move up and down inside the sliding groove (505).
2. A demoulding device for a press according to claim 1, characterized in that: The top of the base (1) is fixedly connected to a piston rod (3), the top of the piston rod (3) is fixedly connected to a piston plate (302), and the side surface of the piston plate (302) is movably connected to a piston cylinder (301).
3. A demoulding device for a press according to claim 2, characterized in that: The top of the piston cylinder (301) is fixedly connected to a protrusion 1 (201), one side of the protrusion 1 (201) is fixedly connected to a support plate (2), a sliding groove 4 (204) is provided inside the support plate (2), and the top of the support plate (2) is fixedly connected to a protrusion 2 (202), a sliding groove 1 (203) is provided inside the protrusion 2 (202).
4. A demoulding device for a press according to claim 3, characterized in that: An upper mold assembly (4) is provided at the bottom of the support plate (2), and the upper mold assembly (4) includes a pressing plate (401), the top of the pressing plate (401) is fixedly connected to a sliding rod (404), the other end of the sliding rod (404) is movably connected to the inside of the sliding groove (204), and the top of the pressing plate (401) is fixedly connected to a spring (403), the other end of the spring (403) is fixedly connected to the inside of the support plate (2).
5. A demoulding device for a press according to claim 4, characterized in that: The upper mold assembly (4) further comprises a movable block 1 (402), wherein the movable block 1 (402) is fixedly connected to the bottom of the support plate (2), a sliding groove 2 (410) is provided inside the movable block 1 (402), the sliding groove 2 (410) is movably connected to the movable block 2 (405), the top of the movable block 2 (405) is fixedly connected to the sliding rod 2 (406), the top of the sliding rod 2 (406) is fixedly connected to the sliding sheet (407), the sliding sheet (407) is movably connected to the inside of the sliding groove 1 (203), the top of the sliding sheet (407) is fixedly connected to the sliding rod 3 (408), and the top of the sliding rod 3 (408) is fixedly connected to the handle (409).
6. The demoulding device for a press machine according to claim 1, characterized in that: The top of the base (1) is fixedly connected to a control box (6), and one side of the control box (6) is movably connected to a control button (601).