Gas-liquid boosting cylinder safe to use

Abstract

The utility model relates to the technical field of gas-liquid boosting cylinders, in particular to a gas-liquid boosting cylinder safe to use, which comprises an air cylinder, a pressure gauge and a hydraulic cylinder, the pressure gauge is mounted on the surface of the air cylinder, the hydraulic cylinder is mounted on the side surface of the air cylinder, the hydraulic cylinder is communicated with the air cylinder, an assembly plate is mounted on the lower surface of the air cylinder, and the assembly plate is mounted on the lower surface of the air cylinder. A reinforcing assembly is arranged on the surface of the air cylinder and comprises a cross-shaped fixing plate, the cross-shaped fixing plate is fixedly connected with the side surface of the air cylinder, a rotating hole is formed in the surface of the cross-shaped fixing plate, and a threaded rod is rotationally connected to the portion, located on the inner wall of the rotating hole, of the cross-shaped fixing plate. According to the auxiliary cylinder structure of the gas-liquid boosting cylinder, the firmness of the auxiliary cylinder structure of the gas-liquid boosting cylinder is improved through the arrangement of the reinforcing assembly, then the problem that when a metal rod is adopted for supporting and limiting, the stability of the auxiliary cylinder is poor, and potential safety hazards are prone to occurring is solved, and the safety of the gas-liquid boosting cylinder in the using process is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas -liquid force cylinder technical field especially relates to a safe use's gas -liquid force cylinder. BACKGROUND

[0002] Gas -liquid force cylinder is a kind of equipment that combines gas pressure and hydraulic pressure, it is usually combined by air cylinder and hydraulic cylinder, in industrial production, gas -liquid force cylinder is widely used in stamping, riveting, assembly and other process links, can improve production efficiency and product quality, reduce energy consumption and equipment cost, simultaneously, the control system of gas -liquid force cylinder can accurately adjust output force and speed, adapt to different production needs.

[0003] Prior art such as the utility model with publication number CN203926172U, this patent discloses a new gas -liquid force cylinder, the patent uses air inlet and air outlet, air inlet and air outlet are respectively provided with high-pressure one-way air valve and large-flow one-way air valve, the connecting place of air inlet and air outlet is provided with switch valve;Stamping rod includes front rod, rear rod and stamping head, the rear rod is provided with secondary stamping oil cavity, the inner diameter of secondary stamping oil cavity gradually decreases from rear end to front end, the front end of secondary stamping oil cavity is provided with piston stopper;The rear end of front rod is provided with piston cavity, the middle segment and the front segment of front rod are provided with slide rod cavity, the piston cavity is provided with secondary stamping piston, the slide rod cavity is provided with top rod, and the stamping head is connected to the front end of top rod;Top rod includes front top rod and rear top rod, rear top rod is provided with clamping block, slide rod cavity includes front slide rod cavity and rear slide rod cavity, rear slide rod cavity is provided with clamping groove on the inner wall, solve the gas -liquid force cylinder in prior art, although it can reach the impact of 2kN or more, but due to the diameter difference of working oil cavity, the mechanical force of impact rod to working piston support and the limitation of stamping rod outer diameter, the impact force is difficult to further improve, and the force stroke only uses the mode of one stroke, also limits the further improvement of stamping rod impact force.

[0004] In the process of using gas -liquid force cylinder, the installation mode of the vice cylinder of most gas -liquid force cylinders on the market is relatively single, after installation, only the metal rod located on the two sides of the vice cylinder is used for limiting, in the process of actual use, the constraint effect of the metal rod on the vice cylinder is limited, so that the structure of the vice cylinder will shake in the process of use, in turn, leading to the problem that gas -liquid force cylinder is prone to safety hazards in the process of use. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcoming that in prior art, after installation, only the metal rod located on the two sides of the vice cylinder is used for limiting, in the process of actual use, the constraint effect of the metal rod on the vice cylinder is limited, so that the structure of the vice cylinder will shake in the process of use, in turn, leading to the problem that gas -liquid force cylinder is prone to safety hazards in the process of use, and a safe use's gas -liquid force cylinder is provided.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: A safe and used gas-liquid force amplification cylinder, including cylinder, pressure gauge and hydraulic cylinder, the pressure gauge is installed on the surface of the cylinder, the hydraulic cylinder is installed on the side surface of the cylinder, the hydraulic cylinder is linked with the cylinder, the lower surface of the cylinder is installed with the assembly board, the surface of the cylinder is provided with reinforcing assembly, the reinforcing assembly includes cross fixed plate, the cross fixed plate is fixedly connected with the side surface of the cylinder, the surface of the cross fixed plate is equipped with the rotation hole, the inner wall rotation of the rotation hole is connected with the threaded rod of the cross fixed plate, the surface of the threaded rod is connected with the threaded sleeve of the screw thread, the outer circumference of the threaded sleeve is fixedly connected with the moving plate, the side fixedly connected with the connecting frame of the moving plate is close to the cylinder, the clamping plate is fixedly connected to the end away from the moving plate of the connecting frame.

[0007] Preferably, one end of the threaded rod away from the cylinder is fixedly connected with a knob, which can be held by the user, so that the user can rotate the threaded rod, so that the threaded rod is engaged with the threaded sleeve, thereby driving the threaded sleeve to move.

[0008] Preferably, the number of the connecting frame is two, and the two connecting frames are symmetrically arranged about the cylinder, the surface of the cross fixed plate is provided with a guide hole, and the connecting frame is slidably connected with the inner wall of the guide hole. The moving direction of the connecting frame can be guided through the guide hole, and the connecting frame can be supported at the same time to ensure the stability of the connecting frame in actual use.

[0009] Preferably, an arc-shaped groove is formed in the side of the clamping plate close to the cylinder, and the clamping plate is in contact with the arc surface of the hydraulic cylinder through the arc-shaped groove. When the clamping plate is locked, the upper area of the hydraulic cylinder can be clamped to improve the firmness of the hydraulic cylinder in use.

[0010] Preferably, the side surface of the clamping plate is provided with a pressing assembly, the pressing assembly includes a U-shaped frame, the U-shaped frame is fixedly connected with the side surface of the clamping plate, the inner wall of the U-shaped frame is slidably connected with an L-shaped pressing plate, the side away from the hydraulic cylinder of the L-shaped pressing plate is provided with a groove, a plurality of vertically distributed clamping teeth are fixedly connected to the inner wall of the groove, the side surface of the U-shaped frame is fixedly connected with a mounting box, the inner wall of the mounting box is slidably connected with a clamping pin, the side away from the hydraulic cylinder of the clamping pin is fixedly connected with a limiting spring, the side away from the clamping pin of the limiting spring is fixedly connected with the inner wall of the mounting box. The position of the clamping pin can be constrained by the limiting spring to ensure the stability of the clamping pin in the locked state.

[0011] Preferably, the inner wall of the U-shaped frame is slidably connected to a pressing plate. The pressing plate can move upward under the push of the user, thereby contacting the locking pin and pressing the locking pin, causing the locking pin to disengage from the locking tooth area and lose its locking to the L-shaped pressure plate.

[0012] Preferably, the locking pin is slidably connected to the inner wall of the U-shaped frame, and the locking pin is inserted into the groove of the locking tooth. The U-shaped frame can guide the movement direction of the L-shaped pressure plate to ensure the stability of the L-shaped pressure plate in actual use.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, by setting up a reinforcing component, the robustness of the auxiliary cylinder structure of the gas-hydraulic booster cylinder is increased, thereby reducing the problem of poor stability of the auxiliary cylinder and potential safety hazards when using metal rods for support and restriction, and further improving the safety of the gas-hydraulic booster cylinder during use.

[0015] 2. In this utility model, by setting a pressing component, the pipeline structure of the gas-liquid booster cylinder can be locked on the interface after installation, thereby reducing the problem of loose joints leading to equipment failure and further improving the stability of the device in use. Attached Figure Description

[0016] Figure 1 A three-dimensional structural diagram of a safe-to-use pneumatic-hydraulic booster cylinder is provided for this utility model;

[0017] Figure 2 A rear view structural diagram of a safe-to-use pneumatic-hydraulic booster cylinder is provided for this utility model;

[0018] Figure 3 This utility model provides a schematic diagram of a reinforcement component structure for a safe-to-use pneumatic-hydraulic booster cylinder;

[0019] Figure 4 This utility model proposes a safe and reliable pneumatic-hydraulic booster cylinder. Figure 3 A schematic diagram of the side view structure;

[0020] Figure 5 This utility model provides a schematic diagram of the pressing component structure of a safe-to-use pneumatic-hydraulic booster cylinder;

[0021] Figure 6 This utility model proposes a safe and reliable pneumatic-hydraulic booster cylinder. Figure 5 Partial structural cross-sectional view.

[0022] Legend:

[0023] 1, cylinder; 2, pressure gauge; 3, hydraulic cylinder; 4, assembly plate; 5, reinforcing assembly; 51, cross fixed plate; 52, threaded rod; 53, knob; 54, threaded sleeve; 55, moving plate; 56, connecting frame; 57, clamping plate; 6, pressing assembly; 61, U-shaped frame; 62, L-shaped pressing plate; 63, clamping tooth; 64, mounting box; 65, clamping pin; 66, limiting spring; 67, extrusion plate. DETAILED DESCRIPTION

[0024] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a safe gas-liquid force cylinder, including cylinder 1, pressure gauge 2 and hydraulic cylinder 3, pressure gauge 2 is installed on the surface of cylinder 1, hydraulic cylinder 3 is installed on the side surface of cylinder 1, hydraulic cylinder 3 is communicated with cylinder 1, the lower surface of cylinder 1 is provided with assembly plate 4, the surface of cylinder 1 is provided with reinforcing assembly 5, the side surface of clamping plate 57 is provided with pressing assembly 6.

[0025] The reinforcing assembly 5 and the pressing assembly 6 will be described in detail below.

[0026] In this embodiment: reinforcing assembly 5 includes cross fixed plate 51, cross fixed plate 51 is fixedly connected with the side surface of cylinder 1, the surface of cross fixed plate 51 is provided with rotating hole, threaded rod 52 is rotatably connected with the inner wall of rotating hole, threaded sleeve 54 is threadedly connected with the surface of threaded rod 52, moving plate 55 is fixedly connected with the outer circumference of threaded sleeve 54, connecting frame 56 is fixedly connected with the side of moving plate 55 close to cylinder 1, clamping plate 57 is fixedly connected with the end of connecting frame 56 away from moving plate 55.

[0027] Specifically, the end of threaded rod 52 away from cylinder 1 is fixedly connected with knob 53, which can be held by the user, so as to facilitate the user to rotate threaded rod 52, so that threaded rod 52 is engaged with threaded sleeve 54, thereby driving threaded sleeve 54 to move.

[0028] Specifically, the number of connecting frames 56 is two, and the two connecting frames 56 are symmetrically arranged about cylinder 1, the surface of cross fixed plate 51 is provided with guide hole, and connecting frame 56 is slidably connected with the inner wall of guide hole.

[0029] In this embodiment: the movement direction of connecting frame 56 can be guided through the guide hole, and connecting frame 56 can be supported at the same time, so as to ensure the stability of connecting frame 56 in actual use.

[0030] Specifically, the side of clamping plate 57 close to cylinder 1 is provided with arc-shaped groove, and clamping plate 57 is in contact with the arc surface of hydraulic cylinder 3 through the arc-shaped groove, so that the upper region of hydraulic cylinder 3 can be clamped when clamping plate 57 is locked, so as to improve the firmness of hydraulic cylinder 3 in use.

[0031] In the embodiment: the pressing assembly 6 comprises a U-shaped frame 61 fixedly connected with the side surface of the clamping plate 57, the inner wall of the U-shaped frame 61 is slidingly connected with an L-shaped pressing plate 62, the side of the L-shaped pressing plate 62 away from the hydraulic cylinder 3 is provided with a groove, the inner wall of the groove is fixedly connected with a plurality of vertically distributed clamping teeth 63, the side surface of the U-shaped frame 61 is fixedly connected with a mounting box 64, the inner wall of the mounting box 64 is slidingly connected with a clamping pin 65, the side of the clamping pin 65 away from the hydraulic cylinder 3 is fixedly connected with a limiting spring 66, and the side of the limiting spring 66 away from the clamping pin 65 is fixedly connected with the inner wall of the mounting box 64.

[0032] In the embodiment: the position of the clamping pin 65 can be constrained by the limiting spring 66, so that the stability of the clamping pin 65 in the locked state is ensured.

[0033] Specifically, the inner wall of the U-shaped frame 61 is slidingly connected with an extrusion plate 67, which can be moved upward under the push of the user to contact and extrude the clamping pin 65, so that the clamping pin 65 is separated from the clamping tooth 63 area and loses the locking of the L-shaped pressing plate 62.

[0034] Specifically, the clamping pin 65 is slidingly connected with the inner wall of the U-shaped frame 61, and the clamping pin 65 is inserted with the tooth groove of the clamping tooth 63.

[0035] In the embodiment: the moving direction of the L-shaped pressing plate 62 can be guided by the U-shaped frame 61, so that the stability of the L-shaped pressing plate 62 in actual use is ensured.

[0036] Working principle: when using the gas-liquid force amplification cylinder, the hydraulic cylinder 3 installed on the side of the gas cylinder 1 will assist the gas cylinder 1 to drive to increase the thrust of the gas cylinder 1; after the installation of the hydraulic cylinder 3 is completed, the clamping plate 57 is aligned with the hydraulic cylinder 3, and then the clamping area formed by the clamping plate 57, the cross fixed plate 51 and the connecting frame 56 is sleeved on the surface of the hydraulic cylinder 3 and the gas cylinder 1; when the cross fixed plate 51 is matched with the mounting hole on the surface of the gas cylinder 1, the cross fixed plate 51 is fixed on the surface of the gas cylinder 1 by means of bolts; after the fixation of the cross fixed plate 51 is completed, the knob 53 is rotated clockwise, the knob 53 rotates the threaded rod 52, the threaded rod 52 is engaged with the threaded sleeve 54, the threaded sleeve 54 is pushed away from the gas cylinder 1 under the action of the threaded rod 52, the moving plate 55 pulls the connecting frame 56, the connecting frame 56 pulls the clamping plate 57, and the clamping plate 57 gradually approaches the hydraulic cylinder 3; when the clamping plate 57 reaches the surface of the hydraulic cylinder 3, the knob 53 is continuously rotated at a small amplitude, so that the threaded rod 52 continues to jack up the threaded sleeve 54, and the threaded sleeve 54 cooperates with the moving plate 55 to continuously pull the connecting frame 56 and the clamping plate 57; when the clamping plate 57 is clamped tightly, the rotation of the knob 53 is stopped, and then the clamping plate 57 can be clamped and reinforced on the upper end of the hydraulic cylinder 3 under the locking of the threaded rod 52, the threaded sleeve 54, the moving plate 55 and the connecting frame 56; by arranging the reinforcing assembly 5, the firmness of the auxiliary cylinder structure of the gas-liquid force amplification cylinder is increased, thereby reducing the problem that the stability of the auxiliary cylinder is poor and safety hazards are prone to occur when the metal rod is used for supporting and limiting, and the safety of the gas-liquid force amplification cylinder in use is further improved; in addition, when connecting the pipeline to the joint of the hydraulic cylinder 3, the L-shaped pressing plate 62 is pushed downward, the L-shaped pressing plate 62 pushes the clamping tooth 63, the clamping tooth 63 moves and contacts with the clamping pin 65, the clamping pin 65 is extruded and deformed under the action of the clamping groove, the limiting spring 66 is extruded and deformed, when the L-shaped pressing plate 62 reaches above the pipeline joint, the pushing of the L-shaped pressing plate 62 is stopped, the clamping tooth 63 loses the pressure applied to the clamping pin 65, the clamping pin 65 loses the pressure applied to the limiting spring 66, the limiting spring 66 loses the pressure and rebounds, and pushes the clamping pin 65 to reset, the clamping pin 65 is inserted into the tooth groove formed by the clamping tooth 63 in the process of resetting, and cooperates with the clamping tooth 63 to lock the position of the L-shaped pressing plate, after the L-shaped pressing plate 62 is locked, the joint of the pipeline can be pressed, by arranging the pressing assembly 6, the pipeline structure of the gas-liquid force amplification cylinder can be locked on the interface after installation, thereby reducing the problem that the joint is loose and causes equipment failure, and further improving the stability of the device in use.

Claims

1. A safe-to-use pneumatic-hydraulic booster cylinder, comprising a pneumatic cylinder (1), a pressure gauge (2), and a hydraulic cylinder (3), characterized in that: The pressure gauge (2) is installed on the surface of the cylinder (1), the hydraulic cylinder (3) is installed on the side surface of the cylinder (1), the hydraulic cylinder (3) is connected to the cylinder (1), the lower surface of the cylinder (1) is equipped with an assembly plate (4), the surface of the cylinder (1) is provided with a reinforcing component (5), the reinforcing component (5) includes a cross fixing plate (51), the cross fixing plate (51) is fixedly connected to the side surface of the cylinder (1), the surface of the cross fixing plate (51) is provided with a rotating hole, the cross fixing plate (51) is rotatably connected to a threaded rod (52) on the inner wall of the rotating hole, the surface of the threaded rod (52) is threadedly connected to a threaded sleeve (54), the outer circumference of the threaded sleeve (54) is fixedly connected to a moving plate (55), the side of the moving plate (55) near the cylinder (1) is fixedly connected to a connecting frame (56), the end of the connecting frame (56) away from the moving plate (55) is fixedly connected to a clamping plate (57).

2. The safe-to-use pneumatic-hydraulic booster cylinder according to claim 1, characterized in that: A knob (53) is fixedly connected to the end of the threaded rod (52) away from the cylinder (1).

3. The safe-to-use pneumatic-hydraulic booster cylinder according to claim 1, characterized in that: The number of the connecting brackets (56) is two, and the two connecting brackets (56) are arranged symmetrically about the cylinder (1). The surface of the cross fixing plate (51) is provided with guide holes, and the connecting brackets (56) are slidably connected to the inner wall of the guide holes.

4. The safe-to-use pneumatic-hydraulic booster cylinder according to claim 1, characterized in that: The clamping plate (57) has an arc-shaped groove on the side near the cylinder (1), and the clamping plate (57) contacts the arc surface of the hydraulic cylinder (3) through the arc-shaped groove.

5. A safe-to-use pneumatic-hydraulic booster cylinder according to claim 1, characterized in that: The side surface of the clamp (57) is provided with a pressing component (6), the pressing component (6) includes a U-shaped frame (61), the U-shaped frame (61) is fixedly connected to the side surface of the clamp (57), the inner wall of the U-shaped frame (61) is slidably connected with an L-shaped pressure plate (62), the side of the L-shaped pressure plate (62) away from the hydraulic cylinder (3) is provided with a groove, the inner wall of the L-shaped pressure plate (62) is fixedly connected with a plurality of vertically distributed locking teeth (63), the side surface of the U-shaped frame (61) is fixedly connected with a mounting box (64), the inner wall of the mounting box (64) is slidably connected with a locking pin (65), the side of the locking pin (65) away from the hydraulic cylinder (3) is fixedly connected with a limit spring (66), the side of the limit spring (66) away from the locking pin (65) is fixedly connected to the inner wall of the mounting box (64).

6. A safe-to-use pneumatic-hydraulic booster cylinder according to claim 5, characterized in that: The inner wall of the U-shaped frame (61) is slidably connected to an extrusion plate (67).

7. A safe-to-use pneumatic-hydraulic booster cylinder according to claim 5, characterized in that: The locking pin (65) is slidably connected to the inner wall of the U-shaped frame (61), and the locking pin (65) is inserted into the groove of the locking tooth (63).

Images