Hydraulic transmission device

Abstract

The utility model discloses a hydraulic transmission device which comprises an L-shaped base, a trapezoid groove is formed in the top of the L-shaped base, a trapezoid sliding block is connected into the trapezoid groove in a sliding mode, the bottom end of the trapezoid sliding block extends to the outer portion of the trapezoid groove and is provided with a bearing plate, an upper connecting base is arranged on one side of the bottom end of the bearing plate, and a second stand column is arranged in the center of the bottom end of the upper connecting base. A lower connecting base is arranged at the end, away from the upper connecting base, of the second stand column, guide columns are arranged between the upper connecting base and the lower connecting base on the two sides of the second stand column, a guide base is movably connected to the outer wall of one side of each guide column, a part containing plate is arranged on the outer wall of one side of each guide base, and a strip-shaped plate is arranged on one side of the bottom end of the upper connecting base. According to the hydraulic transmission device, the deviation phenomenon generated in the lifting process of the part containing plate is reduced, the movement amplitude of the part containing plate can be limited so as to guarantee the transmission effect when the hydraulic transmission device is used, and the position of the part containing plate can be automatically, stably and transversely adjusted so as to improve the convenience when the hydraulic transmission device is used.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic transmission technical field, concretely is a kind of hydraulic transmission device. BACKGROUND

[0002] Hydraulic transmission refers to the energy transmission and control of liquid as working medium, and hydraulic transmission device is often used in punch press machine to drive punch to lift, so people's requirements for stamping are higher and higher, so superior hydraulic transmission device with corresponding performance is needed.

[0003] Referring to the hydraulic transmission device with publication number CN2548793Y, it includes oil cylinder, piston rod and sealing ring, through the trunnion of cylinder cover two sides, it is attached in the hole of punch press crankshaft main shaft diameter and is integrated with punch press, the ball head connecting pipe block of the front end of piston rod is connected with the mechanical transmission of same ton punch press, compared with the mechanical transmission of same ton punch press, it can process larger workpiece, and product quality is good;Hydraulic transmission device is used with four-column punch press, has the advantages of convenient die installation and flexible operation, according to the above, the hydraulic transmission device can be better applied, but usually only rely on cylinder and other related components to drive lifting, because it is inconvenient to limit the movement amplitude of stamping related components, so that the driving stability of the hydraulic transmission device is difficult to achieve the intended purpose, which often troubles people. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of hydraulic transmission device to solve the problem that hydraulic transmission device can be better applied in the background art, but usually only rely on cylinder and other related components to drive lifting, because it is inconvenient to limit the movement amplitude of stamping related components, so that the driving stability of the hydraulic transmission device is difficult to achieve the intended purpose.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic transmission device, including L-type base, the top of the L-type base is provided with trapezoidal groove, trapezoidal slider is slidably connected in the inside of the trapezoidal groove, the bottom end of the trapezoidal slider extends to the outside of trapezoidal groove and is provided with bearing plate, the side of the bottom end of bearing plate is provided with upper connecting seat, the center position of the bottom end of upper connecting seat is provided with second stand, the lower connecting seat is arranged at the end away from upper connecting seat of second stand, the upper connecting seat and lower connecting seat between the two sides of second stand are provided with guide column, the outer wall of one side of guide column is movably connected with guide seat, the outer wall of one side of guide seat is provided with placing piece plate, the side of the bottom end of upper connecting seat is provided with strip plate, the side of the bottom end of strip plate is provided with hydraulic cylinder, the end away from strip plate of hydraulic cylinder is connected with the top end of placing piece plate.

[0006] Preferably, one side of the outer wall of the L-shaped base is provided with a rotary drive, one end of the rotary drive penetrates the L-shaped base and is provided with a curved rod, and the rotary drive is arranged to drive the curved rod to rotate.

[0007] Preferably, the curved rod is movably connected with a linkage arm at the end away from the rotary drive, the linkage arm is movably connected with a support at the end away from the curved rod, and the top end of the support is fixedly connected with the bottom end of the bearing plate, and the linkage arm is arranged to drive the bearing plate to translate when the curved rod rotates.

[0008] Preferably, the outer wall of one side of the lower connecting base is provided with a first stand column through a support, and the outer wall of the upper connecting base is connected with the first stand column at the end away from the lower connecting base through a support, and the first stand column is arranged to support and connect the upper connecting base and the lower connecting base.

[0009] Preferably, the bottom end of the strip-shaped plate on one side of the hydraulic cylinder is rotatably provided with a first limiting arm, and the first limiting arm is rotatably connected with a second limiting arm at the end away from the strip-shaped plate, and the second limiting arm and the first limiting arm are arranged to limit the movement range of the plate.

[0010] Preferably, the second limiting arm is rotatably connected with a third limiting arm at the end away from the first limiting arm, and the top end of the plate is rotatably connected with the third limiting arm at the end away from the second limiting arm, and the third limiting arm is arranged to limit the movement range of the plate together with the second limiting arm and the first limiting arm.

[0011] Preferably, the outer wall of the guide column above the guide base is fixedly provided with an upper cylindrical fixed base, and the outer wall of one side of the upper cylindrical fixed base is provided with an upper limiting plate, and the upper limiting plate is arranged to abut and limit the movement range of the plate.

[0012] Preferably, the outer wall of the guide column below the guide base is fixedly provided with a lower cylindrical fixed base, and the outer wall of one side of the lower cylindrical fixed base is provided with a lower limiting plate, and the lower limiting plate is arranged to abut and limit the movement range of the plate.

[0013] Compared with the prior art, the hydraulic transmission device not only reduces the deviation of the plate during lifting, but also limits the movement range of the plate to ensure the transmission effect of the hydraulic transmission device during use, and automatically and stably adjusts the position of the plate horizontally to improve the convenience of the hydraulic transmission device during use.

[0014] (1) The guide seat is driven to slide on the outer wall of the guide column when the placing plate is lifted, so that the lifting range of the placing plate is limited, thereby reducing the deviation of the placing plate during lifting, and the transmission effect of the hydraulic transmission device is ensured;

[0015] (2) The third limiting arm is synchronously lifted when the placing plate is lifted, so that the angle between the two ends of the second limiting arm and the third limiting arm and the first limiting arm changes, and the angles between the first limiting arm and the third limiting arm and the strip-shaped plate and the placing plate change, and the upper limiting plate and the lower limiting plate can abut against the placing plate from both ends, so that the movement range of the placing plate is limited, thereby further ensuring the transmission effect of the hydraulic transmission device;

[0016] (3) The curved rod is driven to rotate by the rotary driving piece, so that the curved rod drives the support to move transversely through the linkage arm, and the support drives the trapezoidal slider to slide on the inner side of the trapezoidal groove through the bearing plate, so that the position of the placing plate can be automatically and smoothly adjusted transversely, thereby improving the convenience of the hydraulic transmission device in use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a bottom view three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is a bottom view three-dimensional structure schematic diagram of the utility model Figure 1 It is an enlarged structure schematic diagram of A in the utility model;

[0019] Figure 3 It is a placing plate top view structure schematic diagram of the utility model;

[0020] Figure 4 It is a second limiting arm side view structure schematic diagram of the utility model.

[0021] In the drawing: 1, L-shaped base; 2, trapezoidal groove; 3, trapezoidal slider; 4, bearing plate; 5, support; 6, rotary driving piece; 7, curved rod; 8, linkage arm; 9, first stand column; 10, lower connecting seat; 11, placing plate; 12, upper connecting seat; 13, second stand column; 14, strip-shaped plate; 15, hydraulic cylinder; 16, first limiting arm; 17, second limiting arm; 18, guide seat; 19, upper cylindrical fixed seat; 20, upper limiting plate; 21, lower cylindrical fixed seat; 22, lower limiting plate; 23, guide column; 24, third limiting arm. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a hydraulic transmission device, including L type base 1, the outer wall on one side of L type base 1 is installed with rotary drive 6, and one end of rotary drive 6 penetrates L type base 1 and is provided with crank 7;

[0024] When using, the rotary drive 6 is set to drive the crank 7 to rotate;

[0025] The end of the crank 7 away from the rotary drive 6 is movably connected with a linkage arm 8, and the end of the linkage arm 8 away from the crank 7 is movably connected with a support 5, and the top end of the support 5 is fixedly connected with the bottom end of a bearing plate 4;

[0026] When using, the linkage arm 8 is set to drive the bearing plate 4 to translate in the rotary crank 7;

[0027] The top of the L type base 1 is provided with a trapezoidal groove 2, the trapezoidal groove 2 is slidably connected with a trapezoidal slide 3, the bottom end of the trapezoidal slide 3 extends to the outside of the trapezoidal groove 2 and is provided with the bearing plate 4, one side of the bottom end of the bearing plate 4 is provided with an upper connecting seat 12, the bottom end of the upper connecting seat 12 is provided with a second stand 13 at the center position, the end of the second stand 13 away from the upper connecting seat 12 is provided with a lower connecting seat 10, the outer wall of one side of the lower connecting seat 10 is provided with a first stand 9 through a support, and the outer wall of the upper connecting seat 12 is connected with the end of the first stand 9 away from the lower connecting seat 10 through a support;

[0028] When using, the first stand 9 is set to support and connect the upper connecting seat 12 and the lower connecting seat 10;

[0029] The upper connecting seat 12 and the lower connecting seat 10 on both sides of the second stand 13 are both provided with a guide column 23, the outer wall of one side of the guide column 23 is movably connected with a guide seat 18, the outer wall of the guide column 23 above the guide seat 18 is fixedly connected with an upper cylindrical fixed seat 19, and the outer wall of one side of the upper cylindrical fixed seat 19 is provided with an upper limiting plate 20;

[0030] When using, the upper limiting plate 20 is set to abut and limit the movement amplitude of the opposite piece plate 11;

[0031] The outer wall of the guide column 23 below the guide seat 18 is fixedly connected with a lower cylindrical fixed seat 21, and the outer wall of one side of the lower cylindrical fixed seat 21 is provided with a lower limiting plate 22;

[0032] When in use, the lower limit plate 22 is arranged to limit the movement range of the placing plate 11;

[0033] The outer wall of one side of the guide seat 18 is provided with the placing plate 11, one side of the bottom end of the upper connecting seat 12 is provided with the strip-shaped plate 14, one side of the bottom end of the strip-shaped plate 14 is provided with the hydraulic cylinder 15, the end of the hydraulic cylinder 15 away from the strip-shaped plate 14 is connected with the top end of the placing plate 11, the bottom end of the strip-shaped plate 14 of one side of the hydraulic cylinder 15 is rotatably installed with the first limiting arm 16, the end of the first limiting arm 16 away from the strip-shaped plate 14 is rotatably connected with the second limiting arm 17;

[0034] When in use, the second limiting arm 17 and the first limiting arm 16 are arranged to limit the movement range of the placing plate 11 in cooperation with the third limiting arm 24;

[0035] The end of the second limiting arm 17 away from the first limiting arm 16 is rotatably connected with the third limiting arm 24, the end of the third limiting arm 24 away from the second limiting arm 17 is rotatably connected with the top end of the placing plate 11;

[0036] When in use, the third limiting arm 24 is arranged to limit the movement range of the placing plate 11 in cooperation with the second limiting arm 17 and the first limiting arm 16.

[0037] When in use, the hydraulic cylinder 15 is first used to drive the placing plate 11 to lift, when the punch part of the punch machine is arranged at the bottom end of the placing plate 11, the punch part is driven by the hydraulic cylinder to lift, the guide seat 18 is driven by the placing plate 11 to slide on the outer wall of the guide column 23 when the placing plate 11 lifts, the lifting range of the placing plate 11 is limited, the deviation of the placing plate 11 during lifting is reduced, the third limiting arm 24 is synchronously lifted by the placing plate 11, the angle between the two ends of the second limiting arm 17 and the third limiting arm 24 and the first limiting arm 16 is changed, the angles between the first limiting arm 16 and the third limiting arm 24 and the strip-shaped plate 14 and the placing plate 11 are changed, the movement range of the placing plate 11 is limited, the rotating drive 6 is used to drive the curved rod 7 to rotate, the curved rod 7 drives the support 5 to move horizontally through the linkage arm 8, the support 5 drives the trapezoidal slide block 3 to slide in the inner side of the trapezoidal groove 2 through the bearing plate 4, the position of the placing plate 11 is automatically and stably adjusted horizontally, and the use of the hydraulic transmission device is completed.

Claims

1. A hydraulic transmission apparatus characterized by: The utility model provides a kind of L-shaped base (1), the top of the L-shaped base (1) is provided with trapezoidal slot (2), trapezoidal slider (3) is slidably connected inside the trapezoidal slot (2), the bottom end of the trapezoidal slider (3) extends to the outside of trapezoidal slot (2) and is provided with bearing plate (4), the side of the bottom end of bearing plate (4) is provided with upper connecting seat (12), the center position of the bottom end of upper connecting seat (12) is provided with second stand (13), the end of second stand (13) away from upper connecting seat (12) is provided with lower connecting seat (10), the upper connecting seat (12) of both sides of second stand (13) is provided with guide column (23) between lower connecting seat (10), the outer wall of one side of guide column (23) is movably connected with guide seat (18), the outer wall of one side of guide seat (18) is provided with placing piece plate (11), the side of the bottom end of upper connecting seat (12) is provided with strip plate (14), the side of the bottom end of strip plate (14) is mounted with hydraulic cylinder (15), the end of hydraulic cylinder (15) away from strip plate (14) is connected with the top of placing piece plate (11).

2. A hydraulic transmission device according to claim 1, characterised in that: Rotary drive (6) is installed on the outer wall of one side of the L-shaped base (1), one end of rotary drive (6) penetrates L-shaped base (1) and is provided with crank (7).

3. A hydraulic transmission device according to claim 2, characterised in that: The end of crank (7) away from rotary drive (6) is movably connected with linkage arm (8), the end of linkage arm (8) away from crank (7) is movably connected with support (5), and the top of support (5) is fixedly connected with the bottom end of bearing plate (4).

4. A hydraulic transmission device as claimed in claim 1, wherein: First stand (9) is provided on the outer wall of one side of lower connecting seat (10) by support, and the outer wall of one side of first stand (9) is connected with upper connecting seat (12) by support.

5. A hydraulic transmission device as claimed in claim 1, wherein: First limiting arm (16) is rotatably installed on the bottom end of strip plate (14) on one side of hydraulic cylinder (15), and the end of first limiting arm (16) away from strip plate (14) is rotatably connected with second limiting arm (17).

6. A hydraulic transmission device according to claim 5, characterised in that: The end of second limiting arm (17) away from first limiting arm (16) is rotatably connected with third limiting arm (24), and the end of third limiting arm (24) away from second limiting arm (17) is rotatably connected with the top of placing piece plate (11).

7. A hydraulic transmission device as claimed in claim 1, wherein: Upper cylindrical fixed seat (19) is fixed on the outer wall of guide column (23) above guide seat (18), and upper limiting plate (20) is arranged on the outer wall of one side of upper cylindrical fixed seat (19).

8. A hydraulic transmission device as claimed in claim 1, wherein: Lower cylindrical fixed seat (21) is fixed on the outer wall of guide column (23) below guide seat (18), and lower limiting plate (22) is arranged on the outer wall of one side of lower cylindrical fixed seat (21).

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