A hydraulic press with a cylindrical structure
By designing an opening and closing device in the hydraulic press, the meshing transmission between the gears and racks controls the opening and closing of the oil tank, the problem of stretching oil not being closed when the hydraulic plate rises, and the precise control of hydraulic oil spraying is achieved.
Patent Information
- Application Number
- CN202421448542.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-24
AI Technical Summary
During the use of existing hydraulic presses, when the hydraulic plate rises and does not hydraulically press, the tension oil cannot be closed, resulting in the inability to accurately control and spray out the hydraulic oil, affecting the process effect.
A hydraulic press with a cylindrical structure is designed, using an opening and closing device, through the meshing transmission between the gears and the racks, the draw rope is wrapped around the rollers, the barrier ring moves to both sides, opens the through holes at the bottom of the oil tank, and sprays out the stretched oil; when the hydraulic plate moves upward, the gears and racks mesh and flip, the draw rope is disengaged, the barrier ring is reset, and the oil tank is closed.
During the use of the hydraulic press, the stretched oil spray can be accurately closed when the hydraulic plate rises, avoiding the problem of the oil tank being kept in the spray state, and achieving accurate control of the hydraulic oil spray.
Smart Images
Figure CN222740044U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic presses with cylindrical structures, in particular to a hydraulic press with cylindrical structures. Background Art
[0002] A hydraulic press is a machine that uses liquid as the working medium and is made according to Pascal's principle to transfer energy to achieve various processes. A hydraulic press generally consists of three parts: the machine (host), the power system, and the hydraulic control system. When an object needs to be pressed into a cylinder, a hydraulic press is often used for hydraulic pressure.
[0003] The inventor discovered in daily use of the hydraulic press that when hydraulically pressing an object into a cylindrical shape, it is necessary to spray stretching oil for demolding. Since the stretching oil is always in a spraying state when the hydraulic press is in use, the stretching oil will also be in a spraying state when the hydraulic plate is no longer hydraulically pressed, which makes it impossible to accurately control the spraying of the hydraulic oil, thus causing an impact. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a hydraulic press with a cylindrical structure.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hydraulic press of a cylindrical structure, comprising a base, the upper top of the base is fixedly connected with a support rod, the upper top of the support rod is fixedly connected with a control box, the bottom of the control box is fixedly connected with a hydraulic rod, one end of the hydraulic rod is fixedly connected with a hydraulic plate, the bottom of the hydraulic plate is fixedly connected with a hydraulic cylinder, the upper top of the base is fixedly connected with a fixed cylinder, the upper top of the fixed cylinder is provided with an ejection device, the side of the support rod is provided with an opening and closing device, the opening and closing device comprises an oil tank fixedly connected to the top of the hydraulic plate, a groove is provided inside the hydraulic plate, a retaining ring is slidably connected inside the groove, a through hole is provided at the bottom of the oil tank, a pull rope is fixedly connected to the side of the retaining ring, a rectangular plate is fixedly connected to the side of the hydraulic plate, a rotating rod is rotatably connected to the side of the rectangular plate, one end of the rotating rod is fixedly connected with a roller, the surface of the roller is fixedly connected with a pull rope, one end of the rotating rod is fixedly connected with a gear, the surface of the support rod is fixedly connected with a rack, and the rack is meshed with the gear for transmission.
[0006] The effects achieved by the above components are: under the action of the gear and the rack, the pull rope can be wrapped around the surface of the roller, and then the baffle ring can be pulled, so that the oil tank can be opened and closed to spray oil. When using the hydraulic press, the object is placed on the surface of the fixed cylinder, the control box is started, and the hydraulic rod is driven to move, so that the hydraulic plate moves down on the surface of the support rod, so that the object is pressed into a cylindrical shape under the cooperation of the hydraulic cylinder and the fixed cylinder, thereby achieving the effect of hydraulic cylindrical shape of the object.
[0007] Preferably, a round rod is fixedly connected to the inside of the groove, a cushion block is fixedly connected to the surface of the round rod, and the cushion block is a rubber block.
[0008] The effect achieved by the above components is that under the action of the cushion block, the retaining ring will not directly collide with the round rod, thereby avoiding the phenomenon of rigid contact.
[0009] Preferably, a fixing rod is fixedly connected to the inside of the groove, and a retaining ring is slidably connected to the surface of the fixing rod.
[0010] The effect achieved by the above components is that under the action of the fixing rod, the retaining ring will not shake inside the groove, thereby avoiding the retaining ring from moving smoothly inside the groove.
[0011] Preferably, a first spring is sleeved on the surface of the fixing rod, and two ends of the first spring are fixedly connected to the inner wall of the groove and the side surface of the retaining ring respectively.
[0012] The effects achieved by the above-mentioned components are as follows: under the action of the first spring, the retaining ring can be reset to block the through hole when the hydraulic plate moves up, thereby achieving the closing effect. When using the hydraulic press, when the hydraulic plate moves down, the roller rotates under the meshing transmission of the rack and the gear, and the pull rope is wrapped around the surface of the roller, so that the retaining ring moves to both sides, and the through hole opened at the bottom of the oil tank is opened, and the stretching oil is sprayed into the interior of the hydraulic cylinder. When the hydraulic plate moves up, the rack and the gear mesh and flip, so that the pull rope is detached from the surface of the roller. Under the action of the first spring, the retaining ring moves toward the surface of the round rod. Under the action of the pad, the retaining ring will not directly collide with the round rod, thereby avoiding the phenomenon of rigid contact, thereby achieving the effect of the oil tank being able to open and close.
[0013] Preferably, the ejection device includes a telescopic rod slidably connected to the top of the fixed cylinder, one end of the telescopic rod is fixedly connected to the top plate, a second spring is sleeved on the surface of the telescopic rod, and both ends of the second spring are respectively fixedly connected to the bottom of the top plate and the upper top of the fixed cylinder.
[0014] The effect achieved by the above components is that under the action of the second spring, the top plate moves upward, thereby ejecting the cylindrical object, thereby achieving the ejection effect.
[0015] Preferably, a sliding rod is fixedly connected to the upper top of the fixing cylinder, and one end of the sliding rod is fixedly connected to the bottom of the top plate.
[0016] The effect achieved by the above components is that under the action of the sliding rod, the top plate will not tilt, thereby achieving the effect of anti-tilting.
[0017] Preferably, a circular ring is fixedly connected to the upper top of the fixed cylinder, the interior of the circular ring is filled with lubricating liquid, an oil pipe is fixedly connected to the full end of the circular ring, the other end of the oil pipe is arranged on the side of the sliding rod, and a through hole is opened on the side of the circular ring.
[0018] The effect achieved by the above components is that under the action of the ring and the oil pipe, the lubricating liquid can be sprayed out from the inside of the ring to lubricate the telescopic rod and the sliding rod, thereby avoiding the phenomenon of the telescopic rod and the sliding rod getting stuck.
[0019] Preferably, a third spring is arranged inside the circular ring, and two ends of the third spring are fixedly connected to the upper and lower inner walls of the circular ring.
[0020] The effects achieved by the above components are as follows: under the action of the third spring, the ring can be reset when the top plate moves up, thereby facilitating the next extrusion. When the object is hydraulically pressed, the object is placed on the upper top of the top plate. During the hydraulic cylinder extrusion process, the telescopic rod and the slide bar are retracted into the interior of the fixed cylinder. When the telescopic rod is retracted into the interior of the fixed cylinder, the ring is squeezed by the top plate, thereby causing the lubricating fluid to spray out through the bump and the oil pipe and flow into the surface of the telescopic rod and the slide bar. After the hydraulic pressure is completed, under the action of the second spring, the top plate is extended to eject the object. When the hydraulic pressure of the object is completed, the top plate moves up. Under the action of the third spring, the ring moves up, thereby avoiding the phenomenon of the lubricating fluid being sprayed out all the time, thereby achieving the ejection effect.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, an opening and closing device is provided, when the hydraulic press is used, when the hydraulic plate moves downward, the roller rotates under the meshing transmission of the rack and the gear, and then the pull rope is wrapped around the surface of the roller, and then the retaining ring moves to both sides, and then the through hole opened at the bottom of the oil tank is opened, and then the stretching oil is sprayed out and flows into the interior of the hydraulic cylinder; when the hydraulic plate moves upward, the rack and the gear mesh and flip, and then the pull rope is disengaged from the surface of the roller, and under the action of the first spring, the retaining ring moves toward the surface of the round rod, and under the action of the cushion block, the retaining ring does not directly collide with the round rod, thereby avoiding the phenomenon of rigid contact, thereby achieving the effect of the oil tank being able to open and close, thereby solving the problem that the stretching oil cannot be closed when the hydraulic plate rises and no hydraulic object is performed during the use of the hydraulic press. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A three-dimensional structural diagram of a hydraulic press with a cylindrical structure is proposed for the utility model;
[0024] Figure 2 A schematic diagram of an opening and closing device of a hydraulic press with a cylindrical structure is provided for the utility model;
[0025] Figure 3 This is a partial schematic diagram of an opening and closing device of a hydraulic press with a cylindrical structure proposed by the utility model;
[0026] Figure 4 The utility model provides a schematic diagram of an ejection device of a hydraulic press with a cylindrical structure.
[0027] Legend: 1. Base; 2. Opening and closing device; 21. Oil tank; 22. Gear; 23. Rack; 24. Rotating rod; 25. Roller; 26. Groove; 27. Pull rope; 28. Retaining ring; 29. Fixed rod; 210. First spring; 211. Pad; 3. Ejection device; 31. Telescopic rod; 32. Top plate; 33. Second spring; 34. Ring; 35. Third spring; 36. Sliding rod; 37. Oil pipe; 4. Support rod; 5. Control box; 6. Hydraulic rod; 7. Hydraulic plate; 8. Hydraulic cylinder; 9. Fixed cylinder. DETAILED DESCRIPTION
[0028] Embodiment 1, as Figure 1-4As shown, a hydraulic press with a cylindrical structure includes a base 1, the upper top of the base 1 is fixedly connected to a support rod 4, the upper top of the support rod 4 is fixedly connected to a control box 5, the bottom of the control box 5 is fixedly connected to a hydraulic rod 6, one end of the hydraulic rod 6 is fixedly connected to a hydraulic plate 7, the bottom of the hydraulic plate 7 is fixedly connected to a hydraulic cylinder 8, the upper top of the base 1 is fixedly connected to a fixed cylinder 9, the upper top of the fixed cylinder 9 is provided with an ejection device 3, and the side of the support rod 4 is provided with an opening and closing device 2. When the hydraulic press is used, an object is placed on the surface of the fixed cylinder 9, and the control box 5 is started, thereby driving the hydraulic rod 6 to move, and then the hydraulic plate 7 moves down on the surface of the support rod 4, so that the object is pressed into a cylindrical shape under the cooperation of the hydraulic cylinder 8 and the fixed cylinder 9, thereby achieving the effect of hydraulic cylindrical shape of the object.
[0029] Reference Figure 2-3The opening and closing device 2 includes an oil tank 21 fixedly connected to the top of the hydraulic plate 7, a groove 26 is provided inside the hydraulic plate 7, a retaining ring 28 is slidably connected inside the groove 26, a through hole is provided at the bottom of the oil tank 21, a pull rope 27 is fixedly connected to the side of the retaining ring 28, a rectangular plate is fixedly connected to the side of the hydraulic plate 7, a rotating rod 24 is rotatably connected to the side of the rectangular plate, one end of the rotating rod 24 is fixedly connected to a roller 25, a pull rope 27 is fixedly connected to the surface of the roller 25, one end of the rotating rod 24 is fixedly connected to a gear 22, a rack 23 is fixedly connected to the surface of the support rod 4, the rack 23 is meshed with the gear 22 for transmission, and under the action of the gear 22 and the rack 23, the gear 22 and the rack 23 are engaged to drive the gear 22. The pull rope 27 can be wound around the surface of the roller 25, and then the retaining ring 28 can be pulled, so that the oil tank 21 can be opened and closed to spray oil. When using the hydraulic press, the object is placed on the surface of the fixed cylinder 9, the control box 5 is started, and the hydraulic rod 6 is driven to move, so that the hydraulic plate 7 moves down on the surface of the support rod 4, so that the object is pressed into a cylindrical shape under the cooperation of the hydraulic cylinder 8 and the fixed cylinder 9, so as to achieve the effect of the hydraulic cylinder of the object. A round rod is fixedly connected to the inside of the groove 26, and a cushion block 211 is fixedly connected to the surface of the round rod. The cushion block 211 is a rubber block. Under the action of the cushion block 211, the retaining ring 28 will not directly collide with the round rod, so as to achieve In order to avoid the phenomenon of rigid contact, a fixing rod 29 is fixedly connected inside the groove 26, and a retaining ring 28 is slidably connected to the surface of the fixing rod 29. Under the action of the fixing rod 29, the retaining ring 28 will not shake inside the groove 26, thereby avoiding the phenomenon of the retaining ring 28 moving smoothly inside the groove 26. A first spring 210 is sleeved on the surface of the fixing rod 29, and the two ends of the first spring 210 are respectively fixedly connected to the inner wall of the groove 26 and the side of the retaining ring 28. Under the action of the first spring 210, the retaining ring 28 can be reset to block the through hole when the hydraulic plate 7 moves up, thereby achieving the closing effect. When the hydraulic press is used, when the hydraulic plate 7 moves down, , under the meshing transmission of the rack 23 and the gear 22, the roller 25 rotates, and the pull rope 27 is wound around the surface of the roller 25, so that the retaining ring 28 moves to both sides, and the through hole opened at the bottom of the oil tank 21 is opened, and the stretching oil is sprayed into the interior of the hydraulic cylinder 8. When the hydraulic plate 7 moves up, the rack 23 and the gear 22 are meshed and flipped, so that the pull rope 27 is separated from the surface of the roller 25. Under the action of the first spring 210, the retaining ring 28 moves toward the surface of the round rod. Under the action of the pad 211, the retaining ring 28 will not directly collide with the round rod, thereby avoiding the phenomenon of rigid contact, thereby achieving the effect of the oil tank 21 being able to open and close.
[0030] Reference Figure 4The ejection device 3 includes a telescopic rod 31 slidably connected to the top of the fixed cylinder 9, one end of the telescopic rod 31 is fixedly connected to the top plate 32, and a second spring 33 is sleeved on the surface of the telescopic rod 31. The two ends of the second spring 33 are respectively fixedly connected to the bottom of the top plate 32 and the upper top of the fixed cylinder 9. Under the action of the second spring 33, the top plate 32 moves upward, thereby ejecting the cylindrical object, thereby achieving the ejection effect. The upper top of the fixed cylinder 9 is fixedly connected with a sliding rod 36, one end of the sliding rod 36 is fixedly connected to the bottom of the top plate 32, and under the action of the sliding rod 36, the top plate 32 will not tilt, thereby achieving the anti-tilting effect. The upper top of the fixed cylinder 9 is fixedly connected with a ring 34, the interior of the ring 34 is filled with lubricating liquid, and the ring 34 is fixedly connected with an oil pipe 37. The other end of the oil pipe 37 is arranged on the side of the sliding rod 36, and a through hole is opened on the side of the ring 34. Under the action of the ring 34 and the oil pipe 37, the lubricating liquid can be sprayed from the inside of the ring 34, thereby The telescopic rod 31 and the slide bar 36 are lubricated to avoid the phenomenon of the telescopic rod 31 and the slide bar 36 being stuck. A third spring 35 is arranged inside the ring 34. The two ends of the third spring 35 are fixedly connected to the upper and lower inner walls of the ring 34. Under the action of the third spring 35, the ring 34 can be reset when the top plate 32 moves up, so as to facilitate the next extrusion. When the object is hydraulically pressed, the object is placed on the top of the top plate 32. During the extrusion process of the hydraulic cylinder 8, the telescopic rod 31 and the slide bar 36 are retracted into the fixed cylinder. 9, when the telescopic rod 31 is retracted into the fixed cylinder 9, the ring 34 is squeezed by the top plate 32, so that the lubricating fluid is sprayed out through the protrusion and the oil pipe 37, and flows into the surface of the telescopic rod 31 and the sliding rod 36. After the hydraulic pressure is completed, under the action of the second spring 33, the top plate 32 is extended, and the object is ejected. When the hydraulic pressure of the object is completed, the top plate 32 moves up, and under the action of the third spring 35, the ring 34 moves up, avoiding the phenomenon of the lubricating fluid being sprayed out all the time, thereby achieving the ejection effect.
[0031] Working principle, when it is necessary to use a hydraulic press with a cylindrical structure, when using the hydraulic press, place the object on the surface of the fixed cylinder 9, start the control box 5, and then drive the hydraulic rod 6 to move, so that the hydraulic plate 7 moves down on the surface of the support rod 4, so that the object is pressed into a cylindrical shape under the cooperation of the hydraulic cylinder 8 and the fixed cylinder 9, thereby achieving the effect of the hydraulic cylindrical shape of the object. When using the hydraulic press, when the hydraulic plate 7 moves down, under the meshing transmission of the rack 23 and the gear 22, the roller 25 rotates, and then the pull rope 27 is wrapped around the surface of the roller 25, so that the retaining ring 28 moves to both sides, and then the through hole opened at the bottom of the oil tank 21 is opened, and then the stretching oil is sprayed into the interior of the hydraulic cylinder 8. When the hydraulic plate 7 moves up, the rack 23 and the gear 22 mesh and flip, so that the pull rope 27 is detached from the surface of the roller 25. Under the action of the first spring 210, The retaining ring 28 moves toward the surface of the round rod. Under the action of the cushion block 211, the retaining ring 28 will not directly collide with the round rod, thereby avoiding the phenomenon of rigid contact, so that the oil tank 21 can be opened and closed. When the object is hydraulically pressurized, the object is placed on the upper top of the top plate 32. During the extrusion process of the hydraulic cylinder 8, the telescopic rod 31 and the sliding rod 36 are retracted into the interior of the fixed cylinder 9. When the telescopic rod 31 is retracted into the interior of the fixed cylinder 9, the ring 34 is squeezed by the top plate 32, so that the lubricating fluid is sprayed out through the protrusion and the oil pipe 37 and flows into the surface of the telescopic rod 31 and the sliding rod 36. After the hydraulic pressure is completed, under the action of the second spring 33, the top plate 32 is extended, and the object is ejected. When the hydraulic pressure of the object is completed, the top plate 32 moves up, and under the action of the third spring 35, the ring 34 moves up, avoiding the phenomenon of the lubricating fluid being sprayed out all the time, thereby achieving the ejection effect.
Claims
1. A cylindrical hydraulic press, comprising a base (1), characterized in that: The upper top of the base (1) is fixedly connected to a support rod (4), the upper top of the support rod (4) is fixedly connected to a control box (5), the bottom of the control box (5) is fixedly connected to a hydraulic rod (6), one end of the hydraulic rod (6) is fixedly connected to a hydraulic plate (7), the bottom of the hydraulic plate (7) is fixedly connected to a hydraulic cylinder (8), the upper top of the base (1) is fixedly connected to a fixed cylinder (9), the upper top of the fixed cylinder (9) is provided with an ejection device (3), the side of the support rod (4) is provided with an opening and closing device (2), the opening and closing device (2) comprises an oil tank (21) fixedly connected to the upper top of the hydraulic plate (7), the interior of the hydraulic plate (7) A groove (26) is provided, and a retaining ring (28) is slidably connected inside the groove (26). A through hole is provided at the bottom of the oil tank (21). A pull rope (27) is fixedly connected to the side of the retaining ring (28). A rectangular plate is fixedly connected to the side of the hydraulic plate (7). A rotating rod (24) is rotatably connected to the side of the rectangular plate. One end of the rotating rod (24) is fixedly connected to a roller (25), and the surface of the roller (25) is fixedly connected to the pull rope (27). One end of the rotating rod (24) is fixedly connected to a gear (22). A rack (23) is fixedly connected to the surface of the support rod (4), and the rack (23) is meshed with the gear (22) for transmission.
2. The cylindrical hydraulic press according to claim 1, characterized in that: A round rod is fixedly connected to the interior of the groove (26), a cushion block (211) is fixedly connected to the surface of the round rod, and the cushion block (211) is a rubber block.
3. The cylindrical hydraulic press according to claim 2, characterized in that: A fixing rod (29) is fixedly connected inside the groove (26), and a retaining ring (28) is slidably connected to the surface of the fixing rod (29).
4. The cylindrical hydraulic press according to claim 3, characterized in that: A first spring (210) is sleeved on the surface of the fixing rod (29), and two ends of the first spring (210) are fixedly connected to the inner wall of the groove (26) and the side surface of the retaining ring (28) respectively.
5. The cylindrical hydraulic press according to claim 4, characterized in that: The ejection device (3) comprises a telescopic rod (31) slidably connected to the top of the fixed cylinder (9), one end of the telescopic rod (31) is fixedly connected to the top plate (32), a second spring (33) is sleeved on the surface of the telescopic rod (31), and two ends of the second spring (33) are respectively fixedly connected to the bottom of the top plate (32) and the top of the fixed cylinder (9).
6. The cylindrical hydraulic press according to claim 5, characterized in that: The upper top of the fixed cylinder (9) is fixedly connected to a sliding rod (36), and one end of the sliding rod (36) is fixedly connected to the bottom of the top plate (32).
7. The cylindrical hydraulic press according to claim 6, characterized in that: A circular ring (34) is fixedly connected to the upper top of the fixed cylinder (9), the interior of the circular ring (34) is filled with lubricating liquid, an oil pipe (37) is fixedly connected to the inner side of the circular ring (34), the other end of the oil pipe (37) is arranged on the side of the sliding rod (36), and a through hole is opened on the side of the circular ring (34).
8. The cylindrical hydraulic press according to claim 7, characterized in that: A third spring (35) is arranged inside the circular ring (34), and two ends of the third spring (35) are fixedly connected to the upper and lower inner walls of the circular ring (34).