CN214563134U - Multi-connecting-rod hydraulic press - Google Patents
Multi-connecting-rod hydraulic press Download PDFInfo
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- CN214563134U CN214563134U CN202120308721.4U CN202120308721U CN214563134U CN 214563134 U CN214563134 U CN 214563134U CN 202120308721 U CN202120308721 U CN 202120308721U CN 214563134 U CN214563134 U CN 214563134U
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Abstract
The utility model discloses a multi-connecting-rod hydraulic press, which comprises a press body, a hydraulic cylinder, an auxiliary sliding block, a main sliding block and two same multi-connecting-rod branched chains, wherein a cylinder barrel of the hydraulic cylinder is hinged on the press body, the free end of a piston rod in the hydraulic cylinder is hinged with the auxiliary sliding block, the auxiliary sliding block is arranged on the press body in a sliding way, the main sliding block is arranged on the press body in a sliding way, and the sliding direction of the main sliding block is the same as that of the auxiliary sliding block; two identical multi-connecting-rod branched chains are symmetrically arranged relative to the hydraulic cylinder, and the multi-connecting-rod branched chains are connected with the auxiliary sliding block and the main sliding block. The advantages are that: the multi-connecting-rod hydraulic press realizes three times of force increasing through the force increasing mechanism of the multi-connecting-rod branched chain, so that output pressure which can be obtained only by connecting a plurality of identical oil cylinders in parallel can be generated only by driving one oil cylinder.
Description
Technical Field
The utility model relates to a many connecting rods hydraulic pressure machine.
Background
The hydraulic press realizes pressure control by controlling the pressure of hydraulic oil, and the control method is simple and easy to realize.
The disadvantage is that if a larger pressure is desired, the first method: increasing the oil pressure; the second method comprises the following steps: the diameter of the oil cylinder is increased; the third method comprises the following steps: and a plurality of oil cylinders are connected in parallel.
The methods have the defects that the first method has higher sealing requirement by increasing the oil pressure, and increases the risk of oil leakage; the second method increases the size of the hydraulic cylinder and improves the cost; in the method III, a plurality of oil cylinders are connected in parallel, so that the cost is increased, and the synchronous control of the oil cylinders is difficult and difficult to realize.
SUMMERY OF THE UTILITY MODEL
The utility model provides a many connecting rods hydraulic press, the technical scheme of taking is:
a multi-connecting-rod hydraulic press comprises a press body, a hydraulic cylinder, an auxiliary sliding block, a main sliding block and two same multi-connecting-rod branched chains, wherein a cylinder barrel of the hydraulic cylinder is hinged to the press body; the two same multi-connecting-rod branched chains are symmetrically arranged relative to the hydraulic cylinder, and the multi-connecting-rod branched chains are connected with the auxiliary sliding block and the main sliding block;
the two same multi-connecting-rod branched chains respectively comprise a push rod, a sliding block, a swing rod, a lever and a pressing rod, one end of the push rod is hinged with an auxiliary sliding block, the other end of the push rod is hinged with the sliding block, the sliding block is arranged on the machine body in a sliding mode, the sliding direction of the sliding block is perpendicular to that of the auxiliary sliding block, one end of the swing rod is hinged with the sliding block, the other end of the swing rod is hinged with one end of the lever, the other end of the lever is hinged with the machine body, a middle fulcrum on the lever is hinged with one end of the pressing rod, and the other end of the pressing rod is hinged with the main sliding block.
The utility model discloses many connecting rods hydraulic press through the reinforcement mechanism of many connecting rods branched chain, has realized the cubic reinforcement for the output pressure that just can obtain with the drive of a hydro-cylinder just produces the parallelly connected of a plurality of equal hydro-cylinders. Meanwhile, the stability, the bearing capacity and the rigidity of the mechanism are improved by adopting a bilateral symmetrical parallel mechanism.
Right the utility model discloses technical scheme's preferred, vice slider, slider and main slider all and the fuselage between set up to remove vice. The arrangement of the moving pair limits the moving direction of the auxiliary sliding block, the sliding block and the main sliding block on the machine body.
The utility model also provides a multi-connecting-rod hydraulic press, which comprises a press body, a hydraulic cylinder, an auxiliary sliding block, a main sliding block and a multi-connecting-rod branched chain, wherein the cylinder barrel of the hydraulic cylinder is hinged on the press body, the free end of a piston rod in the hydraulic cylinder is hinged with the auxiliary sliding block, the auxiliary sliding block is arranged on the press body in a sliding manner, the main sliding block is arranged on the press body in a sliding manner, and the multi-connecting-rod branched chain is connected with the auxiliary sliding block and the main sliding block;
the multi-connecting-rod branched chain comprises a push rod, a sliding block, a swing rod, a lever and a pressing rod, wherein one end of the push rod is hinged with the auxiliary sliding block, the other end of the push rod is hinged with the sliding block, the sliding block is arranged on the machine body in a sliding mode, the sliding direction of the sliding block is perpendicular to the sliding direction of the auxiliary sliding block, one end of the swing rod is hinged with the sliding block, the other end of the swing rod is hinged with one end of the lever, the other end of the lever is hinged with the machine body, a middle fulcrum on the lever is hinged with one end of the pressing rod, and the other end of the pressing rod is hinged with the main sliding block.
The utility model discloses many connecting rods hydraulic press through the reinforcement mechanism of many connecting rods branched chain, has realized the cubic reinforcement for the output pressure that just can obtain with the drive of a hydro-cylinder just produces the parallelly connected of a plurality of equal hydro-cylinders.
Right the utility model discloses technical scheme's preferred, vice slider, slider and main slider all and the fuselage between set up to remove vice. The arrangement of the moving pair limits the moving direction of the auxiliary sliding block, the sliding block and the main sliding block on the machine body.
The hydraulic cylinder and the sliding pair related in the technical scheme are known products and are directly purchased and obtained.
Compared with the prior art, the utility model, its beneficial effect is:
the utility model discloses a many connecting rods hydraulic press through the reinforcement mechanism of many connecting rods branched chain, has realized the cubic reinforcement for the drive that only uses an hydro-cylinder just produces the parallelly connected output pressure that could obtain of a plurality of equal hydro-cylinders.
Drawings
Fig. 1 is a schematic plan view of a multi-link hydraulic press of embodiment 1.
Fig. 2 is a schematic plan view of the multi-link hydraulic press of embodiment 2.
Detailed Description
The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.
In order to make the content of the present invention more comprehensible, the following description is further described with reference to fig. 1-2 and the detailed description.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1:
in this embodiment, the technical solution is further described by taking the example that the extension and retraction of the piston rod 3 in the hydraulic cylinder 2 pushes the auxiliary sliding block 4 to slide in the vertical direction.
As shown in fig. 1, the multi-link hydraulic press comprises a press body 1, a hydraulic cylinder 2, an auxiliary slide block 4, a main slide block 10 and two same multi-link branched chains.
The cylinder barrel of the hydraulic cylinder 2 is hinged to the machine body 1, the free end of the piston rod 3 in the hydraulic cylinder 2 is hinged to the auxiliary sliding block 4, the auxiliary sliding block 4 is arranged on the machine body 1 in a sliding mode, a moving pair is arranged between the auxiliary sliding block 4 and the machine body 1, and the auxiliary sliding block 4 can only move in the vertical direction. The main sliding block 10 is arranged on the machine body 1 in a sliding mode, and the sliding direction of the main sliding block 10 is the same as that of the auxiliary sliding block 4; a moving pair is arranged between the main sliding block 10 and the machine body 1, and the main sliding block 10 can only move in the vertical direction.
Two identical multi-connecting-rod branched chains are symmetrically arranged relative to the hydraulic cylinder 2, and the multi-connecting-rod branched chains are connected with the auxiliary sliding block 4 and the main sliding block 10; two identical multi-connecting-rod branched chains adopt bilateral symmetry parallel mechanisms, so that the stability, the bearing capacity and the rigidity of the mechanism are improved.
As shown in fig. 1, the two identical multi-link branches in this embodiment are defined as a left multi-link branch and a right multi-link branch. In the embodiment, the multi-connecting-rod branched chains which are symmetrical left and right are adopted, so that the stability, the bearing capacity and the rigidity of the mechanism are improved.
The left multi-link branched chain comprises a left push rod 52, a left slide block 62, a left swing rod 72, a left lever 82 and a left pressure rod 92, and the right multi-link branched chain comprises a right push rod 51, a right slide block 61, a right swing rod 71, a right lever 81 and a right pressure rod 91.
In the right multi-link branched chain, the right side of the auxiliary slide block 4 is connected with a right slide block 61 through a right push rod 51, the auxiliary slide block 4 is hinged with the right push rod 51, the right slide block 61 is arranged on the machine body 1 in a sliding mode through a sliding pair, the sliding direction of the right slide block 61 is perpendicular to the sliding direction of the auxiliary slide block 4, and the right slide block 61 moves in the horizontal direction under the action of the sliding pair; the right sliding block 61 is connected with one end of a right swing rod 71 through a hinge, the other end of the right swing rod 71 is connected with one end of a right lever 81 through a hinge, the other end of the right lever 81 is connected with the machine body 1 through a hinge, the middle part of the right lever 81 is connected with a right pressing rod 91 through a hinge, and the right pressing rod 91 is connected with the main sliding block 10 through a hinge. A sliding pair is arranged between the main slider 10 and the machine body 1, and the sliding pair enables the main slider 10 to move only in the vertical direction.
Similarly, in the left multi-link branched chain, the left side of the auxiliary sliding block 4 is connected with a left sliding block 62 through a left push rod 52, the left sliding block 62 is hinged with the left push rod 52, the left sliding block 62 is arranged on the machine body 1 in a sliding mode through a sliding pair, the sliding direction of the left sliding block 62 is perpendicular to that of the auxiliary sliding block 4, and the left sliding block 62 moves in the horizontal direction under the action of the sliding pair; the left slider 62 is connected with one end of a left swing rod 72 through a hinge, the other end of the left swing rod 72 is connected with one end of a left lever 82 through a hinge, the other end of the left lever 82 is connected with the machine body 1 through a hinge, the middle part of the left lever 82 is connected with a left pressure rod 92 through a hinge, and the left pressure rod 92 is connected with the main slider 10 through a hinge.
In this embodiment, all the hinge points are connected with one degree of freedom of rotation, which is known to those skilled in the art. Therefore, the specific structure of the connection method is not specifically limited and described in the present embodiment.
As shown in fig. 1, in the present embodiment, a ball hinge may be used as a hinge point between the left pressing rod 92 and the main slider 10 and a hinge point between the right pressing rod 91 and the main slider 10, and the ball hinge has a large contact surface and can bear a large force.
The working process of the embodiment is as follows:
when the hydraulic cylinder works, high-pressure oil is injected into a rodless cavity 21 of the hydraulic cylinder 2 to push the piston rod 3 to move upwards, the piston rod 3 pushes the auxiliary sliding block 4 to move upwards, the auxiliary sliding block 4 pushes the right sliding block 61 to move horizontally rightwards through the right push rod 51 and drives the right oscillating bar 71 to swing clockwise, meanwhile, the right oscillating bar 71 pushes the right lever 81 to rotate clockwise, and the right lever 81 rotates clockwise to push the right pressure bar 91 to push the main sliding block 10 to move downwards; similarly, the auxiliary sliding block 4 can push the left sliding block 62 to move horizontally leftwards through the left push rod 52, and drive the left swing rod 72 to swing anticlockwise, meanwhile, the left swing rod 72 pushes the left lever 82 to rotate anticlockwise downwards, and the left lever 82 rotates anticlockwise to push the left press rod 92 to push the main sliding block 10 to move downwards; the main slider 10 moves downward to perform work.
After the punching action is finished, high-pressure oil is injected into a rod cavity 22 of the hydraulic cylinder 2, the piston rod 3 is pushed to move downwards, the piston rod 3 pulls the auxiliary sliding block 4 to move downwards, the auxiliary sliding block 4 pushes the right sliding block to move horizontally leftwards through the right push rod 51 and drives the right oscillating bar 71 to swing anticlockwise, meanwhile, the right oscillating bar 71 pulls the right lever 81 to rotate anticlockwise, and the right lever 81 rotates anticlockwise and pulls the right pressure rod 91 to pull the main sliding block to move upwards; the left side action is symmetrical to the right side. Finally, the main slide 10 is moved upward to return to the initial position, completing the entire process.
In the embodiment, three times of force increasing is realized through the force increasing mechanism of the multi-connecting-rod branched chain, so that output pressure which can be obtained only by connecting a plurality of identical oil cylinders in parallel is generated by driving one oil cylinder.
The three force-increasing processes in this example are as follows:
(1) the auxiliary slide block 4 moves upwards, the right slide block 61 is pushed by the right push rod 51 to move rightwards, and the left slide block 62 is pushed by the left push rod 52 to move rightwards;
(2) the right slider 61 moves rightwards to push the right swing rod 71 to rotate clockwise; the left slider 62 moves leftwards to push the left swing rod 72 to rotate anticlockwise;
(3) the right oscillating bar 71 pushes the right lever 81 downwards to rotate clockwise, and the right lever 81 rotates clockwise to push the right pressure lever 91 to push the main sliding block 10 downwards to move downwards; meanwhile, the left swing link 72 pushes the left lever 82 downwards to rotate anticlockwise, and the left lever 82 rotates anticlockwise to push the left pressing rod 92 to push the main slider 10 downwards to move downwards.
The punching force can be greatly improved through three times of force increasing.
Example 2:
in this embodiment, the technical solution is further described by taking the example that the extension and retraction of the piston rod 3 in the hydraulic cylinder 2 pushes the auxiliary sliding block 4 to slide in the vertical direction.
As shown in fig. 2, the multi-link hydraulic press comprises a press body 1, a hydraulic cylinder 2, an auxiliary slide block 4, a main slide block 10 and a multi-link branched chain. The cylinder barrel of the hydraulic cylinder 2 is hinged on the machine body 1, the free end of the piston rod 3 in the hydraulic cylinder 2 is hinged with the auxiliary sliding block 4, the auxiliary sliding block 4 is arranged on the machine body 1 in a sliding mode, a moving pair is arranged between the auxiliary sliding block 4 and the machine body 1, and the auxiliary sliding block 4 can only move in the vertical direction. The main sliding block 10 is arranged on the machine body 1 in a sliding mode, a moving pair is arranged between the main sliding block 10 and the machine body 1, the main sliding block 10 moves on the machine body, and the multi-connecting-rod branched chain is connected with the auxiliary sliding block 4 and the main sliding block 10.
The multi-link branched chain in this embodiment is defined as a right multi-link branched chain, and the right multi-link branched chain includes a right push rod 51, a right slider 61, a right swing rod 71, a right lever 81 and a right press rod 91.
In the right multi-link branched chain, the right side of the auxiliary slide block 4 is connected with a right slide block 61 through a right push rod 51, the auxiliary slide block 4 is hinged with the right push rod 51, the right slide block 61 is arranged on the machine body 1 in a sliding mode through a sliding pair, the sliding direction of the right slide block 61 is perpendicular to the sliding direction of the auxiliary slide block 4, and the right slide block 61 moves in the horizontal direction under the action of the sliding pair; the right sliding block 61 is connected with one end of a right swing rod 71 through a hinge, the other end of the right swing rod 71 is connected with one end of a right lever 81 through a hinge, the other end of the right lever 81 is connected with the machine body 1 through a hinge, the middle part of the right lever 81 is connected with a right pressing rod 91 through a hinge, and the right pressing rod 91 is connected with the main sliding block 10 through a hinge.
In this embodiment, all the hinge points are connected with one degree of freedom of rotation, which is known to those skilled in the art. Therefore, the specific structure of the connection method is not specifically limited and described in the present embodiment.
As shown in fig. 1, in this embodiment, a ball joint may also be used as a hinge point between the right pressing rod 91 and the main slider 10, and the ball joint has a large contact surface and can bear a large force.
The working process of the embodiment is as follows:
when the hydraulic cylinder works, high-pressure oil is injected into a rodless cavity 21 of the hydraulic cylinder 2 to push the piston rod 3 to move upwards, the piston rod 3 pushes the auxiliary sliding block 4 to move upwards, the auxiliary sliding block 4 pushes the right sliding block to move horizontally rightwards through the right push rod 51 and drives the right oscillating bar 71 to swing clockwise, meanwhile, the right oscillating bar 71 pushes the right lever 81 to rotate clockwise, and the right lever 81 rotates clockwise to push the right pressure bar 91 to push the main sliding block 10 to move downwards; the main slider 10 moves downward to perform work.
After the operation action is completed, high-pressure oil is injected into a rod cavity 22 of the hydraulic cylinder 2, the piston rod 3 is pushed to move downwards, the piston rod 3 pulls the auxiliary sliding block 4 to move downwards, the auxiliary sliding block 4 pushes the right sliding block to move horizontally leftwards through the right push rod 51 and drives the right swing rod 71 to swing anticlockwise, meanwhile, the right swing rod 71 pulls the right lever 81 to rotate anticlockwise, and the right lever 81 rotates anticlockwise to pull the right pressure rod 91 to pull the main sliding block 10 to move upwards. Finally, the main slide 10 is moved upward to return to the initial position, completing the entire process.
In the embodiment, three times of force increasing is realized through the force increasing mechanism of the multi-connecting-rod branched chain, so that output pressure which can be obtained only by connecting a plurality of identical oil cylinders in parallel is generated by driving one oil cylinder.
The three force-increasing processes in this example are as follows:
(1) the auxiliary sliding block 4 moves upwards, and the right sliding block 61 is pushed by the right push rod 51 to move rightwards;
(2) the right slider 61 moves rightwards to push the right swing rod 71 to rotate clockwise;
(3) the right swing link 71 pushes the right lever 81 downwards to rotate clockwise, and the right lever 81 rotates clockwise to push the right pressure lever 91 to push the main sliding block 10 downwards to move downwards.
The punching force can be greatly improved through three times of force increasing.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The multi-connecting-rod hydraulic press is characterized by comprising a press body (1), a hydraulic cylinder (2), an auxiliary sliding block (4), a main sliding block (10) and two identical multi-connecting-rod branched chains, wherein a cylinder barrel of the hydraulic cylinder (2) is hinged to the press body (1), the free end of a piston rod (3) in the hydraulic cylinder (2) is hinged to the auxiliary sliding block (4), the auxiliary sliding block (4) is arranged on the press body (1) in a sliding mode, the main sliding block (10) is arranged on the press body (1) in a sliding mode, and the sliding direction of the main sliding block (10) is identical to that of the auxiliary sliding block (4); the two same multi-connecting-rod branched chains are symmetrically arranged relative to the hydraulic cylinder (2), and the multi-connecting-rod branched chains are connected with the auxiliary sliding block (4) and the main sliding block (10);
two the same many connecting rod branched chains all include push rod (5), slider (6), pendulum rod (7), lever (8) and depression bar (9), push rod (5) one end articulates vice slider (4), push rod (5) other end articulates slider (6), slider (6) slide and arrange in on fuselage (1), the slip direction of slider (6) is perpendicular with the slip direction of vice slider (4), pendulum rod (7) one end articulates slider (6), the one end of the articulated lever (8) of pendulum rod (7) other end, the other end of lever (8) articulates on fuselage (1), the one end of the articulated depression bar (9) of middle fulcrum on lever (8), the other end of depression bar (9) articulates main sliding block (10).
2. The multi-link hydraulic press according to claim 1, characterized in that a sliding pair is provided between the main slide (10) and the main slide (6), the auxiliary slide (4) and the main slide (6).
3. A multi-connecting-rod hydraulic press is characterized by comprising a press body (1), a hydraulic cylinder (2), an auxiliary sliding block (4), a main sliding block (10) and a multi-connecting-rod branched chain, wherein the cylinder barrel of the hydraulic cylinder (2) is hinged to the press body (1), the free end of a piston rod (3) in the hydraulic cylinder (2) is hinged to the auxiliary sliding block (4), the auxiliary sliding block (4) is arranged on the press body (1) in a sliding mode, the main sliding block (10) is arranged on the press body (1) in a sliding mode, and the multi-connecting-rod branched chain is connected with the auxiliary sliding block (4) and the main sliding block (10);
the multi-connecting-rod branched chain comprises a push rod (5), a sliding block (6), a swing rod (7), a lever (8) and a pressing rod (9), wherein one end of the push rod (5) is hinged to an auxiliary sliding block (4), the other end of the push rod (5) is hinged to the sliding block (6), the sliding block (6) is arranged on the machine body (1) in a sliding mode, the sliding direction of the sliding block (6) is perpendicular to the sliding direction of the auxiliary sliding block (4), one end of the swing rod (7) is hinged to the sliding block (6), the other end of the swing rod (7) is hinged to one end of the lever (8), the other end of the lever (8) is hinged to the machine body (1), one end of the pressing rod (9) is hinged to a middle fulcrum on the lever (8), and the other end of the pressing rod (9) is hinged to a main sliding block (10).
4. The multi-link hydraulic press according to claim 3, characterized in that a sliding pair is provided between the main slide (10), the auxiliary slide (4) and the main slide (6) and the machine body (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120308721.4U CN214563134U (en) | 2021-02-03 | 2021-02-03 | Multi-connecting-rod hydraulic press |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120308721.4U CN214563134U (en) | 2021-02-03 | 2021-02-03 | Multi-connecting-rod hydraulic press |
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| CN214563134U true CN214563134U (en) | 2021-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112776389A (en) * | 2021-02-03 | 2021-05-11 | 常州纺织服装职业技术学院 | Multi-connecting-rod hydraulic press |
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- 2021-02-03 CN CN202120308721.4U patent/CN214563134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112776389A (en) * | 2021-02-03 | 2021-05-11 | 常州纺织服装职业技术学院 | Multi-connecting-rod hydraulic press |
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