Portable hydraulic press

Abstract

The utility model relates to the field of hydraulic machines, and discloses a portable hydraulic press which comprises a bottom plate, a base is fixedly arranged at the center of the upper end face of the bottom plate, outer sleeve rods are fixedly arranged at the positions, close to the four corners and the two sides, of the upper end face of the bottom plate, and clamping holes are formed in the front end faces and the rear end faces of the six outer sleeve rods in a penetrating mode. And rebounding grooves are formed in the positions, close to the lower ends, of the centers of the front end faces and the rear end faces of the six embedded rods. According to the extrusion device, a to-be-extruded part placed in the center of the upper end face of the base is clamped through the design that the four fixing plates move towards the center of the base along the grooves under the influence of the expansion springs, and meanwhile the inner rods on every two adjacent fixing plates are connected through the clamping grooves, so that the inner rods can correspondingly extend in the moving process of the fixing plates; and the clamping area of the fixing plate can be increased through the inner rod, and to-be-extruded pieces with different sizes can be clamped.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic presses, in particular to a portable hydraulic press. Background Art

[0002] The press is a general-purpose press with a sophisticated structure. It has the characteristics of wide application and high production efficiency. The press can be widely used in cutting, punching, blanking, bending, riveting and forming processes. It processes the metal into parts by applying strong pressure to the metal blank to cause plastic deformation and fracture.

[0003] In the existing portable hydraulic presses, objects are usually placed directly on the table and squeezed by the hydraulic press mechanism. This working method lacks a way to fix the objects, which easily causes the objects to slide during squeezing irregular objects, affecting the squeezing effect. In addition, the existing portable hydraulic presses mostly use a fixed connection method of an unadjustable sealing plate, which makes the machine too heavy and the height of the control box cannot be adjusted according to the height of the worker, making it inconvenient to operate. Therefore, the utility model provides a portable hydraulic press to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a lightweight hydraulic press is proposed. The press continuously applies a thrust to the center of the base to the fixed plate through four springs, and clamps the objects on the upper end surface of the base through the four fixed plates to prevent the objects from sliding during the extrusion process and affecting the extrusion effect. At the same time, the design of the outer rod and the embedded rod replaces the traditional fixed connection method of the sealing plate, which has the effect of reducing weight. At the same time, the design of the telescopic spring and the clamping rod fixes the position of the embedded rod when the embedded rod slides, which is convenient for adjusting the height of the press and is convenient for workers of different heights to operate the press.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a bottom plate, a base is fixedly arranged at the center of the upper end surface of the bottom plate, outer sleeve rods are fixedly arranged at the upper end surface of the bottom plate near the four corners and both sides, six outer sleeve rods are penetrated with clamping holes at both end surfaces of the front and rear ends, six outer sleeve rods are embedded with inner sleeve rods, the center of the front and rear end surfaces of the six inner sleeve rods are provided with rebound grooves near the lower ends, top plates are fixedly arranged on the upper end surfaces of the six inner sleeve rods, and a control box is fixedly arranged at the center of the upper end surface of the top plate;

[0006] A hydraulic rod is fixedly arranged at the center of the lower end surface of the control box, a pressure plate is fixedly arranged at the lower end surface of the hydraulic rod, grooves are provided near the front, rear and both sides of the center of the upper end surface of the base, expansion springs are fixedly arranged on the inner walls of the four grooves on the side away from the center of the base, and a fixing plate is fixedly arranged on one side of the four expansion springs;

[0007] Through the above technical scheme, the design of the outer rod is convenient for adjusting the height of the press in coordination with the embedded rod, so that users of different heights can operate the press. The design of the rebound groove is convenient for fixing the telescopic spring and the clamping rod. The design of the top plate is convenient for fixing and installing the control box. The design of the hydraulic rod is convenient for driving the pressure plate to move downward so that the pressure plate can squeeze the objects on the upper end surface of the base. The design of the groove is convenient for fixing the position of the expansion spring and the fixed plate.

[0008] Further, the four fixing plates are respectively slidably arranged in the four grooves, a sliding groove is penetrated at the center of one side of the four fixing plates near the upper end, and inner rods are respectively slidably connected and arranged at both sides of the inner walls of the four sliding grooves, and a clamping groove is penetrated and opened on the upper end surface of one side of the eight inner rods located outside the sliding groove;

[0009] Through the above technical solution, the design of the fixed plate sliding in the groove makes it easy for the fixed plate to clamp objects of different sizes by sliding, the design of the sliding groove makes it easy to slide and fix the position of the inner rod, the design of the inner rod makes it easy to extend the fixing area of ​​the fixed plate to improve the fixing effect of the fixed plate, and the design of the snap-in groove makes it easy to connect and fix the two inner rods.

[0010] Furthermore, an embedding groove is provided at the lower end of the center of the front end surface of the base, and multiple pulleys are rotatably provided at the lower ends of the inner walls of the embedding groove, and a drawer is slidably provided on the lower end surface of the inner wall of the base through multiple pulleys;

[0011] Through the above technical solution, the design of the groove is convenient for installing the drawer, the design of the pulley is convenient for reducing the friction between the drawer and the groove, and the design of the drawer is convenient for storing the extruded parts and maintenance tools, preventing the extruded parts from being directly placed on the ground and causing wear to the extruded parts.

[0012] Furthermore, a telescopic spring is fixedly provided on one side of the inner wall of each of the twelve rebound grooves, a clamping rod is fixedly provided on one side of each of the twelve telescopic springs, and the twelve clamping rods are respectively embedded in one of the plurality of clamping holes provided on the front and rear end surfaces of the same outer sleeve rod;

[0013] Through the above technical solution, the design of the telescopic spring facilitates pushing the clamping rod so that the clamping rod can be embedded in the clamping hole. The design of the clamping rod embedded in the clamping hole facilitates fixing the position of the embedded rod in the outer rod, so that the height of the hydraulic press can be adjusted.

[0014] Furthermore, two of the eight inner rods located on the same fixing plate are connected to the inner rods on one side of two adjacent fixing plates through the clamping grooves respectively;

[0015] Through the above technical solution, the design of connecting the inner rod on one fixed plate with the inner rod on another fixed plate allows the four fixed plates to slide between the grooves while always forming a sealing fence through the connection and extension between the inner rods to fix the extruded parts on the upper end surface of the base.

[0016] Furthermore, wheel grooves are provided through the lower end of the front end surface of the drawer outer wall near both sides, a handle is fixedly provided at the center of the front end surface of the drawer outer wall, and a plurality of pulleys are slidably provided in the wheel grooves;

[0017] Through the above technical solution, the design of the wheel groove allows the drawer to slide in the groove through the design of the wheel groove and the pulley. The pulley reduces the friction between the drawer and the groove so that the drawer can be easily pulled, and the design of the handle makes it easy to pull the drawer.

[0018] Furthermore, the pressing plate and the center of the upper end surface of the base are located on the same vertical line;

[0019] Through the above technical solution, the design that the center of the pressure plate and the upper end surface of the base are located on the same straight line allows the pressure plate to squeeze the center of the extruded part, preventing the extrusion position from shifting and causing the extruded part to warp, affecting the extrusion effect.

[0020] The utility model has the following beneficial effects:

[0021] 1. The utility model proposes a portable hydraulic press. After placing the workpiece to be extruded at the center of the upper end surface of the base, the fixing plate is pulled along the groove so that the four fixing plates can extrude and fix the workpiece to be extruded. During the sliding process of the fixing plate, the inner rods connected to each other on both sides of the fixing plate slide along the sliding groove, so that the extrusion range of the fixing plate on the workpiece to be extruded is extended, which is convenient for extruding and fixing workpieces of different sizes to be extruded.

[0022] 2. The utility model proposes a lightweight hydraulic press, which replaces the sealing plate type fixing method of the traditional hydraulic press with an outer rod and an embedded rod, thereby reducing the weight of the hydraulic press. The clamping rod is pressed into the rebound groove so that the clamping rod is disengaged from the clamping hole to facilitate adjustment of the position of the embedded rod. By adjusting the position of the embedded rod in the outer rod, the height of the control box can be adjusted to facilitate operators of different heights to operate the press. In addition, the parts to be extruded and maintenance tools can be stored in a drawer to prevent the parts to be extruded from being directly stacked on the ground and causing wear to the parts to be extruded. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an overall axonometric schematic diagram of the utility model;

[0024] Figure 2 This is an axonometric diagram of the base of the utility model;

[0025] Figure 3 This is an axonometric diagram of a drawer of the utility model;

[0026] Figure 4 This is an axonometric schematic diagram of a fixing plate of the utility model;

[0027] Figure 5 It is a side cross-sectional schematic diagram of the inner rod and the outer rod of the utility model;

[0028] Figure 6 For the utility model Figure 5 Enlarged schematic diagram at point A in the middle.

[0029] Legend:

[0030] 1. Control box; 2. Top plate; 3. Pressure plate; 4. Base; 5. Drawer; 6. Hydraulic rod; 7. Embedded rod; 8. Outer rod; 9. Snap-in hole; 10. Groove; 11. Expansion spring; 12. Fixed plate; 13. Embedded groove; 14. Pulley; 15. Wheel groove; 16. Handle; 17. Inner rod; 18. Snap-in groove; 19. Sliding groove; 20. Snap-in rod; 21. Telescopic spring; 22. Rebound groove; 23. Bottom plate. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Example

[0033] Reference Figure 1-6 , an embodiment provided by the utility model includes a bottom plate 23, a base 4 is fixedly arranged at the center of the upper end surface of the bottom plate 23, outer sleeve rods 8 are fixedly arranged near the four corners and both sides of the upper end surface of the bottom plate 23, the design of the outer sleeve rods 8 is convenient for cooperating with the embedded rods 7 to adjust the height of the press, so that users of different heights can operate the press, the front and rear end surfaces of the six outer sleeve rods 8 are penetrated with snap-in holes 9, the six outer sleeve rods 8 are embedded with the embedded rods 7, the front and rear end surfaces of the six embedded rods 7 are centrally provided with rebound grooves 22 near the lower ends, the design of the rebound grooves 22 is convenient for fixing the telescopic springs 21 and the clamping rods 20, the upper end surfaces of the six embedded rods 7 are fixedly provided with top plates 2, the design of the top plate 2 is convenient for fixing and installing the control box 1, and the control box 1 is fixedly arranged at the center of the upper end surface of the top plate 2;

[0034] A hydraulic rod 6 is fixedly provided at the center of the lower end surface of the control box 1, and a pressure plate 3 is fixedly provided at the lower end surface of the hydraulic rod 6. The design of the hydraulic rod 6 is convenient for driving the pressure plate 3 to move downward, so that the pressure plate 3 can squeeze the objects on the upper end surface of the base 4. Grooves 10 are provided near the front, back and both sides of the center of the upper end surface of the base 4. Expansion springs 11 are fixedly provided on the inner walls of the four grooves 10 on the side away from the center of the base 4. Fixed plates 12 are fixedly provided on one side of the four expansion springs 11. The design of the grooves 10 is convenient for fixing the positions of the expansion springs 11 and the fixed plates 12.

[0035] When in use, first place the piece to be extruded to the center of the upper end surface of the base 4, and then adjust the position of the fixing plate 12 along the groove 10, so that the fixing plate 12 can clamp the piece to be extruded under the action of the expansion spring 11. At the same time, when the fixing plate 12 slides along the groove 10, the inner rods 17 on both sides of the fixing plate 12 connected to each other by the clamping grooves 18 slide along the sliding grooves 19, so that the fixing plate 12 extends the extrusion range of the piece to be extruded, which is convenient for extruding and fixing pieces to be extruded of different sizes. After fixing, press the clamping rod 20 into the rebound groove 22, so that the clamping rod 20 escapes from the clamping hole 9, which is convenient for adjusting the position of the embedded rod 7. After the adjustment is completed, release the clamping rod 20. At this time, the clamping rod 20 is embedded in one of the multiple clamping holes 9 under the influence of the telescopic spring 21 to fix the position of the embedded rod 7.

[0036] By adjusting the position of the embedded rod 7 in the outer rod 8, the height of the control box 1 can be adjusted to facilitate operators of different heights to operate the press. Then, multiple parts to be extruded and maintenance tools are placed in the drawer 5, and then the handle 16 is held to embed the drawer 5 into the embedding groove 13. At this time, multiple pulleys 14 rotatably arranged on the lower end surfaces on both sides of the inner wall of the embedding groove 13 are slidably arranged in the wheel groove 15. The pulleys 14 and the wheel groove 15 reduce the friction between the drawer 5 and the embedding groove 13, so that the drawer 5 can be easily pulled out.

[0037] Working principle: The design of the embedded rod 7 sliding in the outer rod 8 makes it easy to adjust the height of the control box 1 by adjusting the position of the embedded rod 7. By adjusting the height of the control box 1, workers of different heights can operate the press in a more comfortable posture. At the same time, the design of the fixed plate 12 sliding in the groove 10 allows the fixed plate 12 to clamp and fix the extruded part under the influence of the elastic force of the expansion spring 11, thereby preventing the extruded part from sliding during the extrusion process and affecting the extrusion effect.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable hydraulic press, comprising a bottom plate (23), characterized in that: A base (4) is fixedly arranged at the center of the upper end surface of the bottom plate (23); outer outer rods (8) are fixedly arranged near the four corners and both sides of the upper end surface of the bottom plate (23); six outer outer rods (8) are penetrated by clamping holes (9) at both front and rear end surfaces; six outer outer rods (8) are embedded with inner rods (7); the six inner rods (7) are provided with rebound grooves (22) at the lower ends of the front and rear end surfaces; top plates (2) are fixedly arranged on the upper end surfaces of the six inner rods (7); and a control box (1) is fixedly arranged at the center of the upper end surface of the top plate (2); A hydraulic rod (6) is fixedly arranged at the center of the lower end surface of the control box (1), a pressure plate (3) is fixedly arranged at the lower end surface of the hydraulic rod (6), grooves (10) are provided near the front, rear and both sides of the center of the upper end surface of the base (4), expansion springs (11) are fixedly arranged on the inner walls of the four grooves (10) on the side away from the center of the base (4), and a fixing plate (12) is fixedly arranged on one side of the four expansion springs (11).

2. A portable hydraulic press according to claim 1, characterized in that: The four fixing plates (12) are respectively slidably arranged in the four grooves (10); a sliding groove (19) is provided through the center of one side of the four fixing plates (12) near the upper end; inner rods (17) are respectively slidably engaged with the inner walls of the four sliding grooves (19) on both sides; and a clamping groove (18) is provided through the upper end surface of one side of the eight inner rods (17) located outside the sliding groove (19).

3. A portable hydraulic press according to claim 1, characterized in that: A recessed groove (13) is provided at the center of the front end surface of the base (4) near the lower end, and a plurality of pulleys (14) are rotatably provided at the lower ends of the inner walls of the recessed groove (13). A drawer (5) is slidably provided on the lower end surface of the inner wall of the base (4) via the plurality of pulleys (14).

4. A portable hydraulic press according to claim 1, characterized in that: A telescopic spring (21) is fixedly arranged on one side of the inner wall of each of the twelve resilient grooves (22), and a clamping rod (20) is fixedly arranged on one side of each of the twelve telescopic springs (21). The twelve clamping rods (20) are respectively embedded in one of the clamping holes (9) among the plurality of clamping holes (9) opened on the front and rear end surfaces of the same outer sleeve rod (8).

5. A portable hydraulic press according to claim 2, characterized in that: Two inner rods (17) located on the same fixed plate (12) among the eight inner rods (17) are connected to the inner rods (17) on one side of two adjacent fixed plates (12) through respective clamping grooves (18).

6. A portable hydraulic press according to claim 3, characterized in that: Wheel grooves (15) are provided through the lower end of the front end surface of the outer wall of the drawer (5) near both sides, a handle (16) is fixedly provided at the center of the front end surface of the outer wall of the drawer (5), and a plurality of pulleys (14) are slidably provided in the wheel grooves (15).

7. A portable hydraulic press according to claim 1, characterized in that: The center of the upper end surface of the pressing plate (3) and the base (4) are located on the same vertical line.

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