Safety protection structure of hydraulic machine

Abstract

The utility model discloses a hydraulic press safety protection structure which comprises a machine frame, a working table and a hydraulic rod, the working table is fixedly installed in the machine frame, the hydraulic rod is fixedly installed on the top of the machine frame, protection plates are movably installed on the front surface and the rear surface of the two sides of the machine frame, and the telescopic end of the hydraulic rod is fixedly sleeved with a connecting frame. According to the safety protection structure of the hydraulic machine, after an object to be detected is placed on the workbench, the connecting frame continuously descends along with the fact that the telescopic end of the hydraulic rod continuously gets close to the object, and the descending connecting frame drives the second gear of the transmission piece to rotate through the rack; the rotating second gear drives the transmission shaft and the first gear to rotate, the rotating first gear drives the protection plates to be close to each other, when the telescopic end of the hydraulic rod ascends, the rack of the connecting frame drives the transmission part to rotate reversely, the protection plates are far away from each other at the moment, and therefore the protection plates do not need to be opened and closed manually.

Description

Technical Field

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

[0002] Hydraulic press is a commonly used forging equipment in the existing machinery industry. It is often used in pressing processes and pressing forming processes, such as forging, stamping, cold extrusion, straightening, bending, flanging, thin plate stretching, powder metallurgy, pressing, hemming, etc. The hydraulic press is a forging equipment that uses liquid as the working medium and is made according to Pascal's law. It uses liquid pressure transmission to achieve various processes. The hydraulic press is also widely used to detect whether the strength of products such as cement is qualified.

[0003] However, there are some shortcomings in the current hydraulic presses. When the hydraulic presses are in use, in order to prevent the hydraulic rods from causing injuries to the workers when they are in motion, protective doors are installed on the hydraulic presses. However, the protective doors are opened and closed manually, which is troublesome. Utility Model Content

[0004] The main purpose of the utility model is to provide a hydraulic press safety protection structure, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A hydraulic press safety protection structure comprises a frame, a workbench and a hydraulic rod, wherein the workbench is fixedly installed inside the frame, the hydraulic rod is fixedly installed on the top of the frame, protective plates are movably installed on the front and rear surfaces of both sides of the frame, a connecting frame is fixedly sleeved on the telescopic end of the hydraulic rod, and transmission parts are movably installed inside both sides of the frame.

[0007] Preferably, a groove is transversely provided on the rear surface of the protective plate, a tooth groove is provided on the inner upper surface of the groove, and limiting slide bars are fixedly installed on the upper and lower surfaces of the protective plate.

[0008] Preferably, embedding grooves are longitudinally opened on both side surfaces of the inner part of the frame, and clamping sleeves are fixedly installed on the front surface and rear surface of the frame above and below the protective plate, and the limiting slide is embedded in the clamping sleeves.

[0009] Preferably, the connecting frame includes a collar, a support plate and a rack, and the transmission member includes a transmission shaft, a first gear and a second gear.

[0010] Preferably, support plates are fixedly mounted on both side surfaces of the collar, and a rack is fixedly mounted on one end surface of the support plate.

[0011] Preferably, a first gear is fixedly sleeved on the surface of the transmission shaft at both ends, and a second gear is fixedly sleeved on the surface of the transmission shaft at the middle.

[0012] Preferably, the connecting frame is fixed to the telescopic end of the hydraulic rod through a collar, the rack is embedded in the embedding groove, one end of the transmission shaft extends into the groove, the No. 1 gear is meshed with the tooth groove, and the No. 2 gear is meshed with the rack.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, by arranging the frame, the hydraulic rod, the protective plate, the connecting frame and the transmission member in a manner that cooperates with each other, after the object to be measured is placed on the workbench, as the telescopic end of the hydraulic rod continuously approaches the object, the connecting frame will continuously descend, and the descending connecting frame drives the No. 2 gear of the transmission member to rotate by using the rack, and the rotating No. 2 gear drives the transmission shaft and the No. 1 gear to rotate, and the rotating No. 1 gear drives the protective plates to approach each other, and when the telescopic end of the hydraulic rod rises, the rack of the connecting frame drives the transmission member to reverse, and at this time the protective plates will move away from each other, so that the protective plates do not need to be opened and closed manually. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an overall structural diagram of a safety protection structure of a hydraulic press of the utility model;

[0016] Figure 2 This is a structural diagram of a protective plate of a hydraulic press safety protection structure of the utility model;

[0017] Figure 3 This is a structural diagram of a connecting frame of a hydraulic press safety protection structure of the utility model;

[0018] Figure 4 The utility model is a transmission component structure diagram of a hydraulic press safety protection structure.

[0019] In the figure: 1, frame; 101, embedded groove; 102, ferrule; 2, hydraulic rod; 3, protective plate; 301, groove; 302, tooth groove; 303, limit slide; 4, workbench; 5, connecting frame; 501, ring; 502, support plate; 503, rack; 6, transmission part; 601, transmission shaft; 602, gear No. 1; 603, gear No. 2. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-4A hydraulic press safety protection structure is shown, comprising a frame 1, a workbench 4 and a hydraulic rod 2. The workbench 4 is fixedly installed inside the frame 1, the hydraulic rod 2 is fixedly installed on the top of the frame 1, protective plates 3 are movably installed on the front and rear surfaces of both sides of the frame 1, a connecting frame 5 is fixedly sleeved on the telescopic end of the hydraulic rod 2, and transmission parts 6 are movably installed inside both sides of the frame 1.

[0022] A groove 301 is horizontally provided on the rear surface of the protective plate 3, and a tooth groove 302 is provided on the inner upper surface of the groove 301. A limit slide 303 is fixedly installed on the upper and lower surfaces of the protective plate 3. The cooperation between the limit slide 303 and the clamping sleeve 102 can assist the smooth movement of the protective plate 3; an embedding groove 101 is longitudinally provided on the inner two side surfaces of the frame 1, and a clamping sleeve 102 is fixedly installed on the front and rear surfaces of the frame 1 above and below the protective plate 3, and the limit slide 303 is embedded in the clamping sleeve 102; the connecting frame 5 includes a collar 501, a support plate 502 and a rack 503, and the transmission member 6 includes a transmission shaft 601, a first gear 602 and a second gear 603; the two side surfaces of the collar 501 are fixed A support plate 502 is fixedly installed, and a rack 503 is fixedly installed on the surface of one end of the support plate 502. The rack 503 moving up and down can drive the second gear 603 to rotate; the surface of the transmission shaft 601 is fixedly sleeved with a first gear 602 at both ends, and the surface of the transmission shaft 601 is fixedly sleeved with a second gear 603 in the middle. The rotating second gear 603 can drive the protective plate 3 to move by using the first gear 602; the connecting frame 5 is fixed to the telescopic end of the hydraulic rod 2 through the ring 501, the rack 503 is embedded in the embedding groove 101, one end of the transmission shaft 601 extends into the groove 301, the first gear 602 is meshed with the tooth groove 302, and the second gear 603 is meshed with the rack 503.

[0023] It should be noted that the utility model is a safety protection structure for a hydraulic press. When in use, after the object to be measured is placed on the workbench 4, as the telescopic end of the hydraulic rod 2 continues to approach the object, the connecting frame 5 will continue to descend, and the descending connecting frame 5 uses the rack 503 to drive the second gear 603 of the transmission member 6 to rotate, and the rotating second gear 603 drives the transmission shaft 601 and the first gear 602 to rotate, and the rotating first gear 602 drives the protective plates 3 to approach each other. When the telescopic end of the hydraulic rod 2 rises, the rack 503 of the connecting frame 5 drives the transmission member 6 to reverse, and the protective plates 3 will move away from each other, so that the protective plates 3 do not need to be manually opened and closed.

[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A safety protection structure for a hydraulic press, characterized in that: The invention comprises a frame (1), a workbench (4) and a hydraulic rod (2); the workbench (4) is fixedly installed inside the frame (1); the hydraulic rod (2) is fixedly installed on the top of the frame (1); protective plates (3) are movably installed on the front and rear surfaces of both sides of the frame (1); a connecting frame (5) is fixedly sleeved on the telescopic end of the hydraulic rod (2); and transmission parts (6) are movably installed inside both sides of the frame (1).

2. A hydraulic press safety protection structure according to claim 1, characterized in that: A groove (301) is transversely provided on the rear surface of the protective plate (3), a tooth groove (302) is provided on the inner upper surface of the groove (301), and limiting slide bars (303) are fixedly installed on the upper and lower surfaces of the protective plate (3).

3. A hydraulic press safety protection structure according to claim 2, characterized in that: Embedding grooves (101) are longitudinally provided on both side surfaces of the interior of the frame (1); a clamping sleeve (102) is fixedly installed on the front surface and the rear surface of the frame (1) above and below the protective plate (3); and the limiting slide bar (303) is embedded in the clamping sleeve (102).

4. A hydraulic press safety protection structure according to claim 3, characterized in that: The connecting frame (5) comprises a collar (501), a support plate (502) and a rack (503), and the transmission member (6) comprises a transmission shaft (601), a first gear (602) and a second gear (603).

5. A hydraulic press safety protection structure according to claim 4, characterized in that: Support plates (502) are fixedly mounted on both side surfaces of the collar (501), and a rack (503) is fixedly mounted on one end surface of the support plate (502).

6. A hydraulic press safety protection structure according to claim 5, characterized in that: A first gear (602) is fixedly sleeved on the surface of the transmission shaft (601) at both ends, and a second gear (603) is fixedly sleeved on the surface of the transmission shaft (601) at the middle.

7. A safety protection structure for a hydraulic press according to claim 6, characterized in that: The connecting frame (5) is fixed to the telescopic end of the hydraulic rod (2) via a collar (501), the rack (503) is embedded in the embedding groove (101), one end of the transmission shaft (601) extends into the groove (301), the first gear (602) is meshed with the tooth groove (302), and the second gear (603) is meshed with the rack (503).

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