Hydraulic machine with buffer structure

Abstract

The utility model belongs to the technical field of hydraulic machines, and discloses a hydraulic machine with a buffer structure, which comprises a square base, four cylinders are fixed at the upper end of the square base, a bearing table is slidably connected among the four cylinders, and a stamping plate is arranged above the bearing table; two sleeves are connected to the cylinder between the square base and the bearing table in a sliding mode, the cylinder between the two sleeves is sleeved with a first spring, two vertical plates are arranged between the two cylinders, two connecting rods are rotationally connected to the side faces of the vertical plates, and each connecting rod is rotationally connected with the side face of the corresponding sleeve; a round rod is arranged between the two vertical plates, arc-shaped plates are distributed on the circumferential side of the round rod in the circumferential direction of the round rod, the two ends of the round rod and the two ends of the arc-shaped plates penetrate through the vertical plates, baffles are fixed to the two ends and the middle of the round rod and the arc-shaped plates, the round rod between the vertical plates and the middle baffle is sleeved with a second spring, and the outer sides of the arc-shaped plates are sleeved with third springs. The workbench can be protected in a buffering mode, and the service life of the workbench can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hydraulic press technical field, concretely relates to hydraulic press with buffer structure. BACKGROUND

[0002] Hydraulic press is a kind of mechanical equipment using the fluid mechanics principle of liquid to realize processing or forming processing. By injecting liquid into hydraulic cylinder, the piston above the hydraulic cylinder is pushed by hydraulic action force, thereby transmitting force to the material needed to be processed. Hydraulic press is widely used in various industries, such as metal processing, plastic forming, shipbuilding and aircraft manufacturing, and other industries such as construction, mining and forestry;

[0003] When stamping processing operation is carried out on workpiece by hydraulic press in production workshop, the buffer structure for hydraulic press refers to a structure that can buffer and protect the workbench component of hydraulic press when the hydraulic press is downwardly stamped, and after the workbench can be buffered and protected, the service life of the workbench can be extended.

[0004] The buffer structure for hydraulic press commonly used in actual market is partly realized by attaching rubber buffer pad at the edge position of workbench to realize buffering operation, and the buffering mode can cause the problem of weakening buffering effect due to aging of rubber buffer pad, thereby causing poor buffering protection effect of workbench. UTILITY MODEL CONTENTS

[0005] In view of the deficiency of prior art, the utility model aims at providing hydraulic press with buffer structure, which can buffer and protect workbench, and the service life of workbench can be extended.

[0006] The utility model can be realized by the following technical scheme:

[0007] Hydraulic press with buffer structure, characterized by comprising:

[0008] Square base, the upper end four corners of square base are fixedly connected with cylinder, and one bearing table is slidably connected between four cylinders, and the upper side of bearing table is provided with stamping plate;

[0009] Sleeve, two sleeves are slidably connected on each cylinder between square base and bearing table, the cylinder between two sleeves is sleeved with first spring, two vertical plates are arranged between adjacent two cylinders, two rods are rotatably connected on one side of sleeve on vertical plate, and each rod is rotatably connected with corresponding sleeve side.

[0010] A round rod is arranged between the two vertical plates, the circumferential side of the round rod is distributed with an arc plate along the circumferential direction of the round rod, the two ends of the round rod and the two ends of the arc plate penetrate the vertical plate, the two ends of the round rod and the arc plate and the middle are fixedly connected with the baffle, the second spring is sleeved on the round rod between the vertical plate and the middle baffle, and the outer side of the arc plate is sleeved with the third spring.

[0011] The above technical scheme has the principles and technical effects of:

[0012] The workpiece to be punched is placed on the bearing table, after the punching plate punches the workpiece downward, the workpiece moves downward after being subjected to a great impact, at this time, the bearing table pushes the sleeve at the upper end to move downward, the first spring is contracted under the force, and under the transmission of the connecting rod, the two vertical plates are close to each other, the second spring and the third spring are compressed and contracted together, and under the joint action of the first spring, the second spring and the third spring, the workbench can be buffered and protected, and the service life of the workbench can be prolonged.

[0013] The utility model discloses in a preferable example can be further configured as: still include hydraulic cylinder, the output of hydraulic cylinder with punch plate fixed connection.

[0014] The utility model discloses in a preferable example can be further configured as: the side of punch plate and four cylinders are all slidingly connected.

[0015] The utility model discloses in a preferable example can be further configured as: four cylinders's top fixedly connected with top plate, hydraulic cylinder and top plate fixed connection.

[0016] The utility model discloses in a preferable example can be further configured as: the vertical plate's middle is equipped with the round hole for the round rod passes through, and the circumferential distribution of the round hole is along the circumferential distribution of the arc hole for the arc plate passes through.

[0017] The utility model discloses in a preferable example can be further configured as: the first spring is located between the two sleeves arranged upward and downward, and the two ends of the first spring are in contact with the end portions of the sleeves.

[0018] The utility model discloses in a preferable example can be further configured as: the second spring is arranged between the arc plate and the round rod, one end of the second spring is in contact with the side surface of the vertical plate, and the other end is in contact with the side surface of the middle baffle.

[0019] The utility model discloses in a preferable example can be further configured as: the third spring is located between the two vertical plates, and the two ends of the third spring are in contact with the side surface of the vertical plate.

[0020] The nouns, conjunctions or adjective parts involved in the above technical solutions are explained as follows:

[0021] Fixed connection refers to the connection of parts or components after being fixed without any relative movement. It is divided into two types: detachable connection and non-detachable connection.

[0022] (1) Detachable connection refers to the connection of parts or components by using screws, splines, wedge pins, etc. This connection mode can be disassembled during maintenance without damaging the parts. However, the specifications of the connecting parts (such as the length of the bolts, keys and wedge pins) must be correct and properly tightened.

[0023] (2) Non-detachable connection mainly refers to welding, riveting and tenon connection, etc. Since disassembly requires forging, sawing or oxygen cutting during maintenance or replacement, the parts cannot be reused. At the same time, attention should be paid to the process quality, technical testing and remedial measures (such as correction and polishing) during connection.

[0024] Threaded connection refers to the detachable connection of connected parts by using threaded parts (or threaded parts of connected parts).

[0025] Sliding connection refers to the contact between two objects without being fixed, and the two objects can slide relative to each other.

[0026] Rotary connection refers to the connection between parts that allows the parts to rotate relative to each other.

[0027] The beneficial effects of the utility model are as follows:

[0028] The workbench can be protected by buffering, and the service life of the workbench can be prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the utility model or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced as follows. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor.

[0030] Figure 1 is the overall structure schematic diagram of the embodiment of the utility model;

[0031] Figure 2 is the sleeve and vertical plate connection structure schematic diagram of the embodiment of the utility model;

[0032] Figure 3 is the vertical plate, round rod and arc plate connection structure schematic diagram of the embodiment of the utility model;

[0033] Figure 4 is the second spring installation structure schematic diagram of the embodiment of the utility model;

[0034] Figure 5 is a vertical plate structure schematic diagram of the embodiment of the utility model. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0036] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the components or elements indicated having a specific orientation, being constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0037] According to the conception of the present application, embodiments of the hydraulic machine with buffer structure are described herein. Figures 1 to 5 Specifically, the hydraulic machine with buffer structure is configured in a split structure, which has a square base 1, a cylinder 2, a bearing table 3 and the like. By the mutual cooperation of the sleeve 5, the first spring 6, the vertical plate 7, the connecting rod 8, the round rod 9, the arc plate 10, the second spring 12, the third spring 13 and the like, the workpiece to be stamped is placed on the bearing table 3, and after the stamping plate 4 stamps the workpiece downward, the workpiece moves downward after being subjected to a huge impact. At this time, the bearing table 3 pushes the sleeve 5 at the upper end to move downward, the first spring 6 is contracted under stress, and at the same time, under the transmission of the connecting rod 8, the two vertical plates 7 are close to each other, and the second spring 12 and the third spring 13 are squeezed and contracted together. Under the joint action of the first spring 6, the second spring 12 and the third spring 13, the workbench can be protected by buffering, and the service life of the workbench can be prolonged. Under the natural state, the maximum distance between the two vertical plates 7 is limited under the action of the two end baffles 11 of the round rod 9 and the arc plate 10, and at this time, the maximum distance between the two sleeves 5 is also limited.

[0038] As shown in Figures 1-5 The hydraulic machine with buffer structure comprises:

[0039] The square base 1 is fixedly connected with the cylinder 2 at the upper end of four corners, and the bearing table 3 is slidably connected between the four cylinders 2. The stamping plate 4 is arranged above the bearing table 3.

[0040] Two sleeves 5 are slidably connected to each of the columns 2 between the square base 1 and the bearing table 3, a first spring 6 is sleeved on the column 2 between the two sleeves 5, two vertical plates 7 are arranged between the adjacent two columns 2, two connecting rods 8 are rotatably connected to one side of the sleeve 5 on the vertical plate 7, and each connecting rod 8 is rotatably connected to the side of the corresponding sleeve 5.

[0041] A round rod 9 is arranged between the two vertical plates 7, arc-shaped plates 10 are distributed on the circumferential side of the round rod 9 in the circumferential direction of the round rod 9, the two ends of the round rod 9 and the two ends of the arc-shaped plate 10 all penetrate the vertical plate 7, the two ends and the middle of the round rod 9 and the arc-shaped plate 10 are all fixedly connected with the baffle 11, the second spring 12 is sleeved on the round rod 9 between the vertical plate 7 and the middle baffle 11, and the third spring 13 is sleeved on the outer side of the arc-shaped plate 10.

[0042] In use, the workpiece to be punched is placed on the bearing table 3, after the punching plate 4 punches the workpiece downward, the workpiece moves downward after being subjected to a great impact, at this time, the bearing table 3 pushes the upper end sleeve 5 to move downward, the first spring 6 is contracted under the action of force, and simultaneously, under the transmission of the connecting rod 8, the two vertical plates 7 are close to each other, the second spring 12 and the third spring 13 are compressed and contracted under the action of extrusion, and under the combined action of the first spring 6, the second spring 12 and the third spring 13, the workbench can be buffered and protected, and the service life of the workbench can be prolonged. Under the natural state, the maximum distance between the two vertical plates 7 is limited under the action of the two end baffles 11 of the round rod 9 and the arc-shaped plate 10, at this time, the maximum distance between the two sleeves 5 is also limited.

[0043] In one embodiment of the utility model, the output end of the hydraulic cylinder 14 is fixedly connected with the punching plate 4. The hydraulic cylinder 14 provides attack force, so that the punching plate 4 impacts the workpiece.

[0044] In one embodiment of the utility model, the side edge of the punching plate 4 is slidably connected with the four columns 2. The punching plate 4 moves more stably.

[0045] In one embodiment of the utility model, the top plate 15 is fixedly connected between the top ends of the four columns 2, and the hydraulic cylinder 14 is fixedly connected with the top plate 15. The columns 2 and the hydraulic cylinder 14 are stable.

[0046] In one embodiment of the utility model, the middle of the vertical plate 7 is provided with a circular hole 71 for the round rod 9 to pass through, and arc-shaped perforations 72 for the arc-shaped plate 10 to pass through are distributed along the circumferential direction of the circular hole 71 on the circumferential side of the circular hole 71.

[0047] In one embodiment of the utility model, first spring 6 is located between two sleeves 5 arranged vertically, and the two ends of first spring 6 contact the end of sleeve 5. When the distance between two sleeves 5 is shortened, first spring 6 will be compressed by sleeve 5.

[0048] In one embodiment of the utility model, second spring 12 is arranged between arc-shaped plate 10 and round rod 9, one end of second spring 12 contacts the side of vertical plate 7, and the other end contacts the side of baffle 11 located in the middle. When two vertical plates 7 approach each other, sliding occurs between round rod 9, arc-shaped plate 10 and vertical plate 7. At this time, second spring 12 is compressed by vertical plate 7 and baffle 11, and the function of round rod 9 and arc-shaped plate 10 is to avoid the bending of second spring 12 when it is compressed.

[0049] In one embodiment of the utility model, third spring 13 is located between two vertical plates 7, and the two ends of third spring 13 contact the side of vertical plate 7. When two vertical plates 7 approach each other, sliding occurs between arc-shaped plate 10 and vertical plate 7. At this time, the function of arc-shaped plate 10 is to avoid the bending of third spring 13 when it is compressed by vertical plate 7.

[0050] The hydraulic machine with a buffer structure provided by the utility model will be further described below in combination with the drawings and embodiments.

[0051] The hydraulic machine with a buffer structure comprises:

[0052] Square base 1, the upper end of square base 1 is fixedly connected with four cylinders 2, one bearing table 3 is slidably connected between the four cylinders 2, and a punch plate 4 is arranged above the bearing table 3;

[0053] Sleeve 5, two sleeves 5 are slidably connected to each cylinder 2 between square base 1 and bearing table 3, a first spring 6 is sleeved on the cylinder 2 between the two sleeves 5, two vertical plates 7 are arranged between the two adjacent cylinders 2, two connecting rods 8 are rotatably connected to one side of sleeve 5 on vertical plate 7, and each connecting rod 8 is rotatably connected to the side of the corresponding sleeve 5;

[0054] A round rod 9 is arranged between the two vertical plates 7, arc-shaped plates 10 are distributed on the circumferential side of round rod 9 along the circumference of round rod 9, the two ends of round rod 9 and the two ends of arc-shaped plate 10 all penetrate through vertical plate 7, baffle 11 is fixedly connected to the two ends of round rod 9 and arc-shaped plate 10 and the middle of round rod 9, second spring 12 is sleeved on round rod 9 between vertical plate 7 and middle baffle 11, and third spring 13 is sleeved on the outside of arc-shaped plate 10.

[0055] Further comprising a hydraulic cylinder 14, and the output end of hydraulic cylinder 14 is fixedly connected with punch plate 4.

[0056] The side of punch plate 4 and the four cylinders 2 are slidably connected.

[0057] The top ends of the four cylinders 2 are fixedly connected with a top plate 15, and the hydraulic cylinder 14 is fixedly connected with the top plate 15.

[0058] The vertical plate 7 is provided with a circular hole 71 for the circular rod 9 to pass through, and the arc-shaped perforations 72 for the arc-shaped plate 10 to pass through are distributed along the circumferential direction of the circular hole 71 at the circumferential side of the circular hole 71.

[0059] The first spring 6 is located between the two sleeves 5 arranged in a vertical manner, and the two ends of the first spring 6 are in contact with the end portions of the sleeves 5.

[0060] The second spring 12 is arranged between the arc-shaped plate 10 and the circular rod 9, one end of the second spring 12 is in contact with the side surface of the vertical plate 7, and the other end is in contact with the side surface of the middle baffle 11.

[0061] The third spring 13 is located between the two vertical plates 7, and the two ends of the third spring 13 are in contact with the side surfaces of the vertical plates 7.

[0062] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0063] The basic principles, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A hydraulic press with a buffer structure, characterized in that: include: A square base (1), wherein four corners of the upper end of the square base (1) are fixedly connected to cylinders (2), a bearing platform (3) is slidably connected between the four cylinders (2), and a stamping plate (4) is provided above the bearing platform (3); Sleeve (5), each cylinder (2) between the square base (1) and the supporting platform (3) is slidably connected with two sleeves (5), the cylinder (2) between the two sleeves (5) is sleeved with a first spring (6), two vertical plates (7) are provided between two adjacent cylinders (2), two connecting rods (8) are rotatably connected to one side of the sleeve (5) on the vertical plate (7), and each connecting rod (8) is rotatably connected to the corresponding side of the sleeve (5); A round rod (9) is provided between the two vertical plates (7), and an arc-shaped plate (10) is distributed along the circumference of the round rod (9). Both ends of the round rod (9) and both ends of the arc-shaped plate (10) pass through the vertical plates (7). A baffle (11) is fixedly connected to both ends and the middle of the round rod (9) and the arc-shaped plate (10). A second spring (12) is sleeved on the round rod (9) between the vertical plates (7) and the middle baffle (11), and a third spring (13) is sleeved on the outer side of the arc-shaped plate (10).

2. The hydraulic press with a buffer structure according to claim 1, characterized in that: It also includes a hydraulic cylinder (14), the output end of the hydraulic cylinder (14) is fixedly connected to the stamping plate (4).

3. The hydraulic press with a buffer structure according to claim 2, characterized in that: The side edges of the stamping plate (4) are all slidably connected to the four cylinders (2).

4. The hydraulic press with a buffer structure according to claim 3, characterized in that: A top plate (15) is fixedly connected between the top ends of the four cylinders (2), and the hydraulic cylinder (14) is fixedly connected to the top plate (15).

5. The hydraulic press with a buffer structure according to claim 4, characterized in that: A circular hole (71) for the round rod (9) to pass through is provided in the middle of the vertical plate (7), and arc-shaped through holes (72) for the arc-shaped plate (10) to pass through are distributed along the circumference of the circular hole (71).

6. The hydraulic press with a buffer structure according to claim 1, characterized in that: The first spring (6) is located between two sleeves (5) arranged one above the other, and both ends of the first spring (6) are in contact with the ends of the sleeves (5).

7. The hydraulic press with a buffer structure according to claim 1, characterized in that: The second spring (12) is arranged between the arc plate (10) and the round rod (9), one end of the second spring (12) contacts the side of the vertical plate (7), and the other end contacts the side of the baffle (11) located in the middle.

8. The hydraulic press with a buffer structure according to claim 1, characterized in that: The third spring (13) is located between the two vertical plates (7), and both ends of the third spring (13) are in contact with the side surfaces of the vertical plates (7).

Images