Feeding structure for hydraulic machine

Abstract

The utility model belongs to the technical field of hydraulic machines, and discloses a feeding structure for a hydraulic machine. The two limiting plates are in sliding connection with the guide columns, the lower end faces of the limiting plates are fixedly connected with at least one ejector rod, and the lower ends of the ejector rods penetrate through the base and extend into the base; the two ends of the bidirectional lead screw are rotationally connected with the base, the bidirectional lead screw is in threaded connection with a moving block, the two sides of the moving block are rotationally connected with supporting rods, the upper ends of the supporting rods are rotationally connected with first connecting rods, the two ends of each first connecting rod are fixedly connected with connecting plates, and connecting rod assemblies are connected between the connecting plates and the lower ends of the ejector rods; the connecting rod assembly comprises a connecting rod sleeve, the middle of the connecting rod sleeve is rotatably connected with a fixing rod, the two ends of the fixing rod are fixedly connected with the side wall of the base, and the inner sides of the two ends of the connecting rod sleeve are slidably connected with connecting rods. The two limiting plates can ascend and descend at the same time, and the ascending and descending heights are the same.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hydraulic press, concretely relates to a feeding structure for hydraulic press. BACKGROUND

[0002] The hydraulic press is a kind of machinery for transmitting energy to process metal, plastic, rubber, wood, powder and other products by using liquid static pressure with liquid as working medium according to Pascal principle.

[0003] In the prior art, the existing hydraulic press limiting device cannot limit the pressing height, and the mold is easily damaged when the pressing height is too high because the required mold closing height is different due to different molds.

[0004] In order to solve the above problems, a feeding structure for hydraulic press is disclosed in patent No. CN220517646U, which comprises a workbench, guide columns are arranged at four corners of one side outer wall of the workbench, an installation top plate is fixedly connected to one end side wall of the guide column, a hydraulic mechanism is installed on one side outer wall of the installation top plate, a hydraulic rod is slidably connected to the inner wall of the installation top plate, a hydraulic plate is fixedly connected to one side outer wall of the hydraulic rod, a motor is installed on one side outer wall of the workbench; an adjusting groove is opened in one side outer wall of the workbench, symmetrical guide rods are arranged on one side inner wall of the adjusting groove, and a threaded rod is arranged on the inner wall between the guide rods; and an adjusting plate is slidably connected to the outer wall of the guide rod on the inner wall of the adjusting plate, a threaded groove screwedly connected with the threaded rod is arranged on one side outer wall of the adjusting plate, and a limiting plate is arranged on one side outer wall of the adjusting plate.

[0005] In the above-mentioned scheme, according to the different mold closing height, the motor is started to drive the threaded rod to rotate, so that the adjusting plate and the limiting plate slide upward, and the appropriate height can be adjusted according to the scale groove on the outer side of the guide column, then the mold is placed on the workbench, the hydraulic mechanism is driven to control the hydraulic rod to drive the hydraulic plate to work downward, and the limiting plate is used to limit the pressing height to prevent damage to the mold during processing. However, as can be seen from the specification and drawings of the existing patent, the workbench is provided with an adjusting plate on both sides, and the lower end of the threaded rod screwedly connected to each adjusting plate is connected with a motor. That is, the motor is used to drive each adjusting plate to rise, it is difficult to ensure that the heights of the two limiting plates are the same, even if the height of the limiting plate is confirmed by observing the scale groove with the naked eye, it is also difficult to ensure that the heights of the two limiting plates are the same. When the hydraulic plate impacts the limiting plate, the impact force of the two limiting plates is different. UTILITY MODEL CONTENTS

[0006] The hydraulic machine feeding structure can make the two limiting plates simultaneously lift and have the same lifting height, and when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly shared.

[0007] The utility model discloses a hydraulic machine feeding structure can make the two limiting plates simultaneously lift and have the same lifting height, and when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly shared.

[0008] The utility model discloses a hydraulic machine feeding structure can make the two limiting plates simultaneously lift and have the same lifting height, and when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly shared.

[0009] The utility model discloses a hydraulic machine feeding structure can make the two limiting plates simultaneously lift and have the same lifting height, and when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly shared.

[0010] The utility model discloses a hydraulic machine feeding structure can make the two limiting plates simultaneously lift and have the same lifting height, and when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly shared.

[0011] The utility model discloses a hydraulic machine feeding structure can make the two limiting plates simultaneously lift and have the same lifting height, and when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly shared.

[0012] The utility model discloses a hydraulic machine feeding structure can make the two limiting plates simultaneously lift and have the same lifting height, and when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly shared.

[0013] The utility model discloses a hydraulic machine feeding structure can make the two limiting plates simultaneously lift and have the same lifting height, and when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly shared.

[0014] The utility model discloses a hydraulic machine feeding structure can make the two limiting plates simultaneously lift and have the same lifting height, and when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly shared.

[0015] Further, the top end of the guide column is fixedly connected with a top plate, the middle of the top plate is fixedly connected with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with a pressing plate.

[0016] Further, the circumferential side of the pressing plate is slidably connected with the guide column.

[0017] Further, the upper end surface of the base is fixedly connected with a bearing table.

[0018] Further, the two sides of the moving block are fixedly connected with second connecting rods, and the lower end of the supporting rod is rotationally connected with the second connecting rod.

[0019] Further, the outer end of the second connecting rod is fixedly connected with a sliding sleeve, and the two sides of the moving block are further provided with guide rods, both ends of the guide rods are fixedly connected with the inner wall of the base, and the two sliding sleeves on the same side of the two moving blocks are slidably connected on the same guide rod.

[0020] Further, the top end of the supporting rod on the same side of the moving block is rotationally connected with the same first connecting rod.

[0021] Further, the upper end surface of the base is provided with a hole groove communicating with the inside of the base, and the top rod passes through the hole groove and is slidably connected with the hole groove.

[0022] Further, one end of the bidirectional lead screw extends outward through the side wall of the base and is provided with an extension, and the extension of the bidirectional lead screw is fixedly connected with a rotating piece.

[0023] The nouns, conjunctions or adjectives involved in the above technical solutions are explained as follows:

[0024] 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.

[0025] (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, and the parts will not be damaged. However, the specifications of the connecting parts (such as the length of the bolts, keys, and wedge pins) must be correct, and the fastening must be appropriate.

[0026] (2) Non-detachable connection mainly refers to welding, riveting, and tenon connection. Since maintenance or replacement requires forging, sawing, or oxygen cutting for disassembly, the parts cannot be reused. At the same time, attention should be paid to the process quality, technical detection, and remedial measures (such as correction and polishing) during connection.

[0027] Threaded connection refers to the detachable connection of connected parts by using threaded parts (or threaded parts of connected parts).

[0028] Sliding connection refers to the contact between two objects without being fixed, and the two objects can slide relative to each other.

[0029] Rotational connection refers to the connection between parts that allows the parts to rotate relative to each other.

[0030] The beneficial effects of the utility model are as follows:

[0031] The two limiting plates can be lifted simultaneously and the lifting height is the same, when the pressing plate contacts with the limiting plate, the impact force received by the two limiting plates is the same, so that the impact force is evenly distributed. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and obviously, other drawings can be obtained by those skilled in the art without creative labor on the premise of not paying the creative labor.

[0033] Figure 1 is the overall structure schematic diagram of the base inside the embodiment of the present application;

[0034] Figure 2 is the overall structure schematic diagram of the base inside the embodiment of the present application;

[0035] Figure 3 is the first part structure schematic diagram of the base inside the embodiment of the present application;

[0036] Figure 4 is the second part structure schematic diagram of the base inside the embodiment of the present application. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0038] In the description of the present application, it should be 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 present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the present application.

[0039] According to the conception of the present application, hereinafter Figures 1 to 4To describe an embodiment of the feed structure for a hydraulic press. Specifically, the feed structure for a hydraulic press is constructed as a split structure, which has components such as a base 1, a limit plate 3, a bidirectional screw 5, and a connecting rod assembly 10. Through the mutual cooperation of the provided push rod 4, moving block 6, support rod 7, connecting plate 9 and other structures, the two moving blocks 6 are moved in opposite directions by rotating the bidirectional screw 5. Under the pull of the support rod 7, the connecting plate 9 is moved downward. During the downward movement of the connecting plate 9, the connecting rod 13 connected thereto is driven to swing downward. At the same time, the connecting rod sleeve 11 rotates around the fixed rod 12. During the rotation, the connecting rod 13 can adaptively slide and adjust to avoid motion interference. At this time, the connecting rod 13 connected to the lower end of the push rod 4 swings upward, pushing the push rod 4 upward, and finally pushing the two limit plates 3 upward together, with the same lifting height.

[0040] like Figures 1-4 As shown, the feeding structure for the hydraulic press includes:

[0041] The base 1 has a hollow interior and guide posts 2 are fixedly connected to the four corners of the upper end of the base 1;

[0042] The two limiting plates 3 are symmetrically arranged and slidably connected to the guide column 2. The lower end surface of the limiting plate 3 is fixedly connected to at least one push rod 4, and the lower end of the push rod 4 passes through the base 1 and extends into the base 1;

[0043] A bidirectional screw 5 is located between the two limit plates 3 and is rotatably connected to the side walls of the base 1 at both ends. The bidirectional screw 5 is threadedly connected to a moving block 6 in different rotation directions. The moving block 6 is rotatably connected to support rods 7 on both sides. The upper end of the support rod 7 is rotatably connected to a first connecting rod 8. Both ends of the first connecting rod 8 are fixedly connected to connecting plates 9. A connecting rod assembly 10 is connected between the connecting plate 9 and the lower end of the push rod 4.

[0044] The connecting rod assembly 10 includes a connecting rod sleeve 11, a fixed rod 12 is rotatably connected in the middle of the connecting rod sleeve 11, both ends of the fixed rod 12 are fixedly connected to the side walls of the base 1, and a connecting rod 13 is slidably connected to the inner sides of both ends of the connecting rod sleeve 11, and the other end of the connecting rod 13 is rotatably connected to the corresponding connecting plate 9 and the lower end of the top rod 4 respectively.

[0045] When in use, the two moving blocks 6 move in opposite directions by rotating the bidirectional screw 5. Under the pull of the support rod 7, the connecting plate 9 moves downward. During the downward movement of the connecting plate 9, the connecting rod 13 connected to it is driven to swing downward. At the same time, the connecting rod sleeve 11 rotates around the fixed rod 12. During the rotation, the connecting rod 13 can adaptively slide and adjust to avoid movement interference. At this time, the connecting rod 13 connected to the lower end of the push rod 4 swings upward, pushing the push rod 4 upward, and finally pushing the two limit plates 3 upward together, with the same lifting height.

[0046] In one embodiment of the utility model, the top end of the guide column 2 is fixedly connected with a top plate 14, the middle of the top plate 14 is fixedly connected with a hydraulic cylinder 15, and the output end of the hydraulic cylinder 15 is fixedly connected with a pressing plate 16.

[0047] In one embodiment of the utility model, the circumferential side of the pressing plate 16 is slidably connected with the guide column 2. The stability of the pressing plate 16 when being pressed down is improved.

[0048] In one embodiment of the utility model, the upper end surface of the base 1 is fixedly connected with a bearing table 17. The bearing table 17 is used for placing workpieces.

[0049] In one embodiment of the utility model, the two sides of the moving block 6 are fixedly connected with second connecting rods 18, and the lower end of the supporting rod 7 is rotatably connected with the second connecting rod 18.

[0050] In one embodiment of the utility model, the outer side end of the second connecting rod 18 is fixedly connected with a sliding sleeve 19, the two sides of the moving block 6 are further provided with guide rods 20, the two ends of the guide rod 20 are fixedly connected with the inner wall of the base 1, and the two sliding sleeves 19 on the same side of the two moving blocks 6 are slidably connected on the same guide rod 20. The guide rod 20 is arranged to improve the stability of the moving block 6 when moving.

[0051] In one embodiment of the utility model, the top end of the supporting rod 7 on the same side of the same moving block 6 is rotatably connected with the same first connecting rod 8. By arranging two first connecting rods 8, the stability of the device is improved.

[0052] In one embodiment of the utility model, the upper end surface of the base 1 is provided with a hole groove in communication with the inside of the base 1, and the jacking rod 4 passes through the hole groove and is slidably connected with the hole groove. The jacking rod 4 is guided.

[0053] In one embodiment of the utility model, one end of the bidirectional screw rod 5 extends outward through the side wall of the base 1 and has an extension part, and a rotating part 21 is fixedly connected with the extension part of the bidirectional screw rod 5. The bidirectional screw rod 5 is conveniently rotated.

[0054] The hydraulic machine feeding structure provided by the utility model is further described below in combination with the drawings and embodiments.

[0055] The hydraulic machine feeding structure comprises:

[0056] The base 1 is internally hollow, and the guide column 2 is fixedly connected to the upper end of the base 1 at four corners;

[0057] The two limiting plates 3 are symmetrically arranged and slidably connected with the guide column 2, the lower end surface of the limiting plate 3 is fixedly connected with at least one jacking rod 4, and the lower end of the jacking rod 4 extends into the base 1 through the base 1;

[0058] The bidirectional screw 5 is located between the two limiting plates 3, and the two ends are rotationally connected with the side wall of the base 1, the moving block 6 is threadedly connected with the bidirectional screw 5 in different rotation directions, the supporting rods 7 are rotationally connected with the two sides of the moving block 6, the first connecting rod 8 is rotationally connected with the upper end of the supporting rod 7, the connecting plates 9 are fixedly connected with the two ends of the first connecting rod 8, and the connecting rod assembly 10 is connected between the connecting plates 9 and the lower end of the top rod 4.

[0059] The connecting rod assembly 10 comprises a connecting rod sleeve 11, the fixed rod 12 is rotationally connected in the middle of the connecting rod sleeve 11, the two ends of the fixed rod 12 are fixedly connected with the side wall of the base 1, the connecting rods 13 are slidably connected to the inner sides of the two ends of the connecting rod sleeve 11, and the other ends of the connecting rods 13 are rotationally connected with the lower end of the top rod 4 and the corresponding connecting plate 9 respectively.

[0060] The top end of the guide column 2 is fixedly connected with the top plate 14, the middle of the top plate 14 is fixedly connected with the hydraulic cylinder 15, and the output end of the hydraulic cylinder 15 is fixedly connected with the pressing plate 16.

[0061] The circumferential side of the pressing plate 16 is slidably connected with the guide column 2.

[0062] The upper end surface of the base 1 is fixedly connected with the bearing table 17.

[0063] The two sides of the moving block 6 are fixedly connected with the second connecting rods 18, and the lower ends of the supporting rods 7 are rotationally connected with the second connecting rods 18.

[0064] The outer side end of the second connecting rod 18 is fixedly connected with the sliding sleeve 19, the guide rods 20 are further arranged on the two sides of the moving block 6, the two ends of the guide rods 20 are fixedly connected with the inner wall of the base 1, and the two sliding sleeves 19 on the same side of the two moving blocks 6 are slidably connected on the same guide rod 20.

[0065] The top ends of the supporting rods 7 on the two sides of the same moving block 6 are rotationally connected with the same first connecting rod 8.

[0066] The upper end surface of the base 1 is provided with a hole groove communicating with the inside thereof, and the top rod 4 passes through the hole groove and is slidably connected with the hole groove.

[0067] One end of the bidirectional screw 5 extends outward through the side wall of the base 1 and has an extension part, and the extension part of the bidirectional screw 5 is fixedly connected with the rotating part 21.

[0068] 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 contained 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.

[0069] The basic principle, main features and advantages of the present application are 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 feeding structure for a hydraulic press, characterized in that: include: A base (1), wherein the interior of the base (1) is a hollow structure, and guide columns (2) are fixedly connected to the four corners of the upper end of the base (1); A limit plate (3), wherein two limit plates (3) are symmetrically arranged and slidably connected to the guide column (2); at least one push rod (4) is fixedly connected to the lower end surface of the limit plate (3); the lower end of the push rod (4) passes through the base (1) and extends toward the inside of the base (1); A bidirectional screw (5), wherein the bidirectional screw (5) is located between the two limit plates (3), and both ends are rotatably connected to the side walls of the base (1); the bidirectional screw (5) is threadedly connected to a moving block (6) in different rotation directions; both sides of the moving block (6) are rotatably connected to a support rod (7); the upper end of the support rod (7) is rotatably connected to a first connecting rod (8); both ends of the first connecting rod (8) are fixedly connected to a connecting plate (9); a connecting rod assembly (10) is connected between the connecting plate (9) and the lower end of the top rod (4); The connecting rod assembly (10) comprises a connecting rod sleeve (11), a fixed rod (12) being rotatably connected in the middle of the connecting rod sleeve (11), both ends of the fixed rod (12) being fixedly connected to the side walls of the base (1), connecting rods (13) being slidably connected on the inner sides of both ends of the connecting rod sleeve (11), and the other ends of the connecting rods (13) being rotatably connected to the corresponding connecting plates (9) and the lower ends of the top rods (4).

2. The feed structure for a hydraulic press according to claim 1, characterized in that: The top end of the guide column (2) is fixedly connected to a top plate (14), the middle of the top plate (14) is fixedly connected to a hydraulic cylinder (15), and the output end of the hydraulic cylinder (15) is fixedly connected to a pressure plate (16).

3. The feed structure for a hydraulic press according to claim 2, characterized in that: The peripheral side of the pressing plate (16) is slidably connected to the guide column (2).

4. The feed structure for a hydraulic press according to claim 3, characterized in that: The upper end surface of the base (1) is fixedly connected to a bearing platform (17).

5. The feeding structure for a hydraulic press according to claim 4, characterized in that: Both sides of the moving block (6) are fixedly connected to a second connecting rod (18), and the lower end of the support rod (7) is rotatably connected to the second connecting rod (18).

6. The feeding structure for a hydraulic press according to claim 5, characterized in that: The outer end of the second connecting rod (18) is fixedly connected to a sliding sleeve (19), and guide rods (20) are also provided on both sides of the moving block (6). The two ends of the guide rod (20) are fixedly connected to the inner wall of the base (1), and the two sliding sleeves (19) on the same side of the two moving blocks (6) are both slidably connected to the same guide rod (20).

7. The feeding structure for a hydraulic press according to claim 6, characterized in that: The top ends of the support rods (7) on both sides of the same moving block (6) are rotatably connected to the same first connecting rod (8).

8. The feeding structure for a hydraulic press according to claim 1, characterized in that: The upper end surface of the base (1) is provided with a hole groove communicating with the interior thereof, and the top rod (4) passes through the hole groove and is slidably connected to the hole groove.

9. The feeding structure for a hydraulic press according to claim 1, characterized in that: One end of the bidirectional lead screw (5) passes through the side wall of the base (1) and extends outward to form an extension portion, and a rotating member (21) is fixedly connected to the extension portion of the bidirectional lead screw (5).

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