CN210547286U

CN210547286U - Four-point toggle type high-speed punch press

Info

Publication number: CN210547286U
Application number: CN201921262072.8U
Authority: CN
Inventors: 王夏友
Original assignee: Zhejiang Zhongding Precision Technology Co Ltd
Current assignee: Zhejiang Zhongding Precision Technology Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-19
Anticipated expiration: 2029-08-06

Abstract

The utility model provides a four-point toggle type high-speed punch press belongs to mechanical equipment technical field. It has solved the problem that current punch press slider still can cause slight inclination in the motion process. The four-point toggle type high-speed punch comprises a rack with a workbench, wherein a crankshaft and sliding blocks which are parallel to the crankshaft at intervals are arranged on the rack, the sliding blocks are in upper and lower guide sliding fit with the rack, two ends of the crankshaft are in transmission connection with a power device, and a four-point toggle linkage mechanism which can drive the sliding blocks to stably lift up and down when the crankshaft rotates is arranged between the sliding blocks and the crankshaft. The utility model discloses simple structure, enable the slider and go up and down steadily in the frame and form the punching press effort, the punching press effort is under the even condition of spliced pole one, spliced pole two, spliced pole three and four-point drive distribution of spliced pole, can prevent effectively that the slider from causing slight inclination, long service life in the motion process.

Description

Four-point toggle type high-speed punch press

Technical Field

The utility model belongs to the technical field of mechanical equipment, a four point toggle formula high speed punch is related to.

Background

The high-speed punching machine is made of integrated special cast iron alloy, has high rigidity and shock resistance, and is widely applied to punching machine processing of small-sized precision parts such as precision electronics, communication, computer and household appliances, automobile parts, motor stators and rotors and the like.

The design principle of the high-speed punch is that circular motion is converted into linear motion, the output of a motor drives a flywheel to drive a gear, a crankshaft, a connecting rod and the like to rotate through a clutch so as to achieve the linear motion of a sliding block, the motion from the motor to the connecting rod is circular motion, a switching point of the circular motion and the linear motion is required between the connecting rod and the sliding block, and the connecting rod is roughly adopted in design to convert the circular motion into the linear motion of the sliding block; since the high-speed press presses the material to plastically deform the material to obtain a desired shape and accuracy, the material must be placed between a pair of dies, and the material is pressed by a machine to deform the material, and a reaction force caused by a force applied to the material during processing is absorbed by a machine body of the high-speed press.

The existing common high-speed punching machine in the market has the following patent numbers: "201320698305.5" the transmission of a high speed punch press, its concrete structure includes entablature and lower base, the edge between entablature and lower base is provided with the stand that is used for connecting above-mentioned entablature and lower base respectively, this transmission includes and wears to be equipped with the bent axle on the entablature, the one end of bent axle is rotated and is connected on the entablature, the entablature is stretched out to the other end, the end that stretches out of bent axle couples there is power device, this power device is including linking firmly the motor on the connecting seat, be provided with the clutch between the end that stretches out of motor and bent axle, the clutch passes through the flywheel and is connected with the crankshaft transmission.

In the structure, the high-speed punch is a two-point toggle type punch, a motor drives a flywheel to drive and drive a crankshaft to rotate, so that a left group of symmetrical double toggle mechanisms and a right group of symmetrical double toggle mechanisms are driven to move, and a sliding block is driven to move up and down on a rack to complete product stamping; in the above structure, the slider still has a slight inclination angle during the movement process, so that it is still unable to maintain a certain parallelism and perpendicularity, and defects still occur in high precision machining.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, enable the slider in the frame steady four-point toggle formula high speed punch press that goes up and down.

The purpose of the utility model can be realized by the following technical proposal: a four-point toggle type high-speed punch press comprises a rack with a workbench, wherein a crankshaft and sliding blocks which are parallel to the crankshaft at intervals are arranged on the rack, the sliding blocks are in sliding fit with the upper portion and the lower portion of the rack in a guiding mode, and two ends of the crankshaft are in transmission connection with a power device.

The four-point toggle type high-speed punch press is mainly characterized in that a four-point toggle linkage mechanism is arranged between a sliding block and a crankshaft, the sliding block can be driven to stably lift up and down on a rack through the four-point toggle linkage mechanism to complete punching of a product, and the sliding block is driven by four points and has higher punching capacity and higher reliability; the slider is wider relatively in setting up, and is whole more stable, and is littleer to the effort of slider spigot surface, reduces the precision that brings because of slider spigot surface wearing and tearing and descends, is favorable to further improving the precision of punching press.

In the four-point toggle type high-speed punch press, the four-point toggle linkage mechanism comprises a first linkage shaft and a second linkage shaft which are parallel to the first linkage shaft and are distributed at intervals, the first linkage shaft and the second linkage shaft are both arranged on the frame, the first linkage shaft and the second linkage shaft are respectively and symmetrically distributed at two sides of the crankshaft, a moving device which can enable the first linkage shaft and the second linkage shaft to synchronously and horizontally translate relative to the crankshaft is arranged between the first linkage shaft and the crankshaft and between the second linkage shaft and the crankshaft, and a linkage driving device which can synchronously drive the slide block to ascend and descend when the first linkage shaft and the second linkage shaft synchronously and horizontally translate relative to the crankshaft is arranged between the first linkage shaft and the slide block and between the second linkage shaft and the slide block. The acting force of the rotation of the crankshaft can be effectively converted into the horizontal translation acting force of the first linkage shaft and the second linkage shaft by arranging the mobile device; the horizontal translation acting force of the first linkage shaft and the second linkage shaft can be effectively converted into the stamping acting force for the up-and-down lifting of the sliding block by arranging the linkage driving device; the transmission of the stamping force is stable.

In the four-point toggle type high-speed punch press, the moving device comprises a first connecting rod and a second connecting rod which are parallel to the first connecting rod and distributed at intervals, one end of the first connecting rod is hinged to one journal of the crankshaft, the other end of the first connecting rod is hinged to the first linkage shaft, one end of the second connecting rod is hinged to the other journal of the crankshaft, the other end of the second connecting rod is hinged to the second linkage shaft, and translation guide devices are respectively arranged between two ends of the first linkage shaft and the rack and between two ends of the second linkage shaft and the rack. In practical application, when the crankshaft rotates, the first connecting rod and the second connecting rod can effectively drive the first linkage shaft and the second linkage shaft to horizontally and synchronously translate.

In the four-point toggle type high-speed punch press, the translation guide device comprises rectangular guide blocks fixedly arranged at two ends of the first linkage shaft and two ends of the second linkage shaft, a horizontally arranged guide rail is arranged on the rack corresponding to the rectangular guide blocks, and the rectangular guide blocks are positioned on the corresponding guide rails and are in sliding fit with the corresponding guide rails. In practical application, when the crankshaft rotates, the rectangular guide block is in sliding fit with the guide track, and the guide effect of horizontal synchronous translation of the first linkage shaft and the second linkage shaft can be effectively achieved.

In the four-point toggle type high-speed punch press, the sliding block is in a rectangular block shape, and a first connecting column, a second connecting column, a third connecting column and a fourth connecting column are vertically and fixedly arranged at the corners of the sliding block upwards. The purpose of setting up like this is that the effort that makes the slider distributes evenly, can prevent effectively that the slider from causing slight inclination in the motion process.

In foretell a four-point toggle type high speed punch press, linkage drive arrangement include that spliced pole one upper end articulates has antithetical couplet ear spare one, the upper end of spliced pole two articulate has antithetical couplet ear spare two, the upper end of spliced pole three articulate has antithetical couplet ear spare three, the upper end of spliced pole four articulate has antithetical couplet ear spare four, the other end of antithetical couplet ear spare one and the other end to ear spare three articulate respectively on interlock axle one, the other end to ear spare two and the other end to ear spare four articulate respectively on interlock axle two, antithetical couplet ear spare one and antithetical couplet ear spare two transversely align and distribute and still articulate the trace between the two and have the interlock pole one, antithetical couplet ear spare three and antithetical couplet ear spare four transversely align and distribute and still between the two. The purpose that sets up like this is when interlock axle one, two horizontal synchronous translations of interlock axle, through setting up to ear piece one, to ear piece three, to ear piece two and to ear piece four can effectively turn into the punching press effort that the slider goes up and down with interlock axle one, two horizontal translation efforts of interlock axle, the transmission is connected stably, long service life.

In the four-point toggle type high-speed punch press, one end of the first lug piece and one end of the first linkage rod are hinged to the upper end of the first connecting column through the first pin shaft, one end of the third lug piece and one end of the second linkage rod are hinged to the upper end of the third connecting column through the second pin shaft, the first pin shaft and the second pin shaft are axially distributed in the same direction, one end of the second lug piece and the other end of the first linkage rod are hinged to the upper end of the second connecting column through the third pin shaft, one end of the fourth lug piece and the other end of the second linkage rod are hinged to the upper end of the fourth connecting column through the fourth pin shaft, and the third pin shaft and the fourth pin shaft are axially distributed in the same direction. The purpose of setting up like this is to guarantee the stability of the four point drive of spliced pole one, spliced pole two, spliced pole three and spliced pole on the slider.

In the four-point toggle type high-speed punch press, the power device comprises a motor fixedly connected to the rack, a flywheel is fixedly arranged on the crankshaft, and the motor and the flywheel are in transmission connection through a belt.

Compared with the prior art, the four-point toggle type high-speed punch has the advantages that: simple structure, enable the slider and go up and down steadily in the frame and go up and down to form the punching press effort, the punching press effort can prevent effectively that the slider from causing slight inclination in the motion process under the even condition of spliced pole one, spliced pole two, spliced pole three and spliced pole four-point drive distribution, long service life.

Drawings

FIG. 1 is a schematic sectional view of the four-point toggle type high speed press.

Fig. 2 is a schematic top view of the four-point toggle linkage mechanism in the four-point toggle high-speed punch press.

Fig. 3 is a partial perspective view of the four-point toggle linkage mechanism in the four-point toggle high-speed punch press.

Fig. 4 is a schematic structural diagram of the rising of the sliding block in the four-point toggle linkage mechanism in the four-point toggle type high-speed punch press.

Fig. 5 is a schematic structural diagram of the descending of the sliding block in the four-point toggle linkage mechanism in the four-point toggle type high-speed punch press.

In the figure, 1, a workbench; 2. a frame; 3. a crankshaft; 4. a slider; 5. a first linkage shaft; 6. a second linkage shaft; 7. a first connecting rod; 8. a second connecting rod; 9. a rectangular guide block; 10. a guide rail; 11. Connecting a column I; 12. connecting a second column; 13. connecting a column III; 14. connecting a column IV; 15. a first ear piece; 16. a second ear piece; 17. a third ear piece; 18. c, aligning the ear piece; 19. a first linkage rod; 20. a second linkage rod; 21. a motor; 22. a flywheel.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 4 and 5, the four-point toggle type high speed punching machine comprises a frame 2 with a worktable 1, a crankshaft 3 and a slide block 4 which is parallel to and spaced from the crankshaft 3 up and down are arranged on the frame 2, the slide block 4 is in up and down guiding sliding fit with the frame 2, two ends of the crankshaft 3 are connected with a power device in a transmission way, and during actual manufacturing, the specific implementation mode of the power device is as follows: the device mainly comprises a motor 21 fixedly connected on a frame 2, a flywheel 22 is fixedly arranged on a crankshaft 3, and the motor 21 is in transmission connection with the flywheel 22 through a belt.

A four-point toggle linkage mechanism which can drive the sliding block 4 to stably lift up and down when the crankshaft 3 rotates is arranged between the sliding block 4 and the crankshaft 3. In actual manufacturing, the four-point toggle linkage mechanism is specifically implemented as follows: the linkage mechanism mainly comprises a linkage shaft I5 and a linkage shaft II 6 which is parallel to the linkage shaft I5 and distributed at intervals, wherein the linkage shaft I5 and the linkage shaft II 6 are both arranged on the rack 2, the linkage shaft I5 and the linkage shaft II 6 are respectively and symmetrically distributed on two sides of the crankshaft 3, and moving devices which can enable the linkage shaft I5 and the linkage shaft II 6 to synchronously and horizontally move relative to the crankshaft 3 are arranged between the linkage shaft I5 and the crankshaft 3 and between the linkage shaft II 6 and the crankshaft 3.

In practical application, the mobile device is implemented in a specific way as follows: the device mainly comprises a first connecting rod 7 and a second connecting rod 8 which is parallel to the first connecting rod 7 and distributed at intervals, wherein one end of the first connecting rod 7 is hinged to one journal of the crankshaft 3, the other end of the first connecting rod 7 is hinged to a first linkage shaft 5, one end of the second connecting rod 8 is hinged to the other journal of the crankshaft 3, the other end of the second connecting rod 8 is hinged to a second linkage shaft 6, and translation guide devices are respectively arranged between two ends of the first linkage shaft 5 and the rack 2 and between two ends of the second linkage shaft 6 and the rack 2; in practical design, the specific implementation of the translational guide device is as follows: the linkage mechanism mainly comprises rectangular guide blocks 9 fixedly arranged at two ends of a linkage shaft I5 and two ends of a linkage shaft II 6, a guide rail 10 horizontally arranged is arranged on a rack 2 corresponding to the rectangular guide blocks 9, and the rectangular guide blocks 9 are positioned on the corresponding guide rails 10 and are in sliding fit with the corresponding guide rails 10.

During actual manufacturing, the sliding block 4 is in a rectangular block shape, and a connecting column I11, a connecting column II 12, a connecting column III 13 and a connecting column IV 14 are vertically and fixedly arranged at the corners of the sliding block 4 upwards; and a linkage driving device which can synchronously drive the slide block 4 to lift up and down when the linkage shaft I5 and the linkage shaft II 6 synchronously and horizontally move relative to the crankshaft 3 is arranged between the linkage shaft I5 and the slide block 4 and between the linkage shaft II 6 and the slide block 4.

In practical application, the specific implementation mode of the linkage driving device is as follows: mainly comprises the following steps: the upper end of the connecting column I11 is hinged with an ear-facing piece I15, the upper end of the connecting column II 12 is hinged with an ear-facing piece II 16, the upper end of the connecting column III 13 is hinged with an ear-facing piece III 17, the upper end of the connecting column IV 14 is hinged with an ear-facing piece IV 18, the other end of the ear-facing piece I15 and the other end of the ear-facing piece III 17 are respectively hinged on a linkage shaft I5, the other end of the ear-facing piece II 16 and the other end of the ear-facing piece IV 18 are respectively hinged on a linkage shaft II 6, the ear-facing piece I15 and the ear-facing piece II 16 are transversely aligned and distributed and a linkage rod I19 is hinged between the ear-facing piece I17 and the ear-facing piece IV 18, and a; one end of the first lug piece 15 and one end of the first linkage rod 19 are hinged to the upper end of the first connecting column 11 through a first pin shaft, one end of the third lug piece 17 and one end of the second linkage rod 20 are hinged to the upper end of the third connecting column 13 through a second pin shaft, the first pin shaft and the second pin shaft are distributed in the same axial direction, one end of the second lug piece 16 and the other end of the first linkage rod 19 are hinged to the upper end of the second connecting column 12 through a third pin shaft, one end of the fourth lug piece 18 and the other end of the second linkage rod 20 are hinged to the upper end of the fourth connecting column 14 through a fourth pin shaft, and the third pin shaft and the.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The four-point toggle type high-speed punch press is characterized in that a four-point toggle linkage mechanism capable of driving the sliding block (4) to stably lift up and down is arranged between the sliding block (4) and the crankshaft (3) when the crankshaft (3) rotates.

2. The four-point toggle high-speed punch press as claimed in claim 1, wherein the four-point toggle linkage mechanism comprises a first linkage shaft (5) and a second linkage shaft (6) which are parallel to the first linkage shaft (5) and are distributed at intervals, the first linkage shaft (5) and the second linkage shaft (6) are both arranged on the rack (2), the first linkage shaft (5) and the second linkage shaft (6) are respectively and symmetrically distributed on two sides of the crankshaft (3), moving devices which can enable the first linkage shaft (5) and the second linkage shaft (6) to synchronously and horizontally translate relative to the crankshaft (3) are arranged between the first linkage shaft (5) and the crankshaft (3) and between the second linkage shaft (6) and the crankshaft (3), and moving devices which can enable the first linkage shaft (5) and the second linkage shaft (4) to synchronously and horizontally translate relative to the crankshaft (3) are arranged between the first linkage shaft (5) and the slider (4) and between the second linkage shaft (6) and the slider (4) And the linkage driving device can synchronously drive the slide block (4) to lift up and down when the linkage shaft II (6) synchronously horizontally translates relative to the crankshaft (3).

3. The four-point toggle high-speed punch press as claimed in claim 2, wherein the moving device comprises a first connecting rod (7) and a second connecting rod (8) which is parallel to the first connecting rod (7) and distributed at intervals, one end of the first connecting rod (7) is hinged to one journal of the crankshaft (3), the other end of the first connecting rod (7) is hinged to the first linkage shaft (5), one end of the second connecting rod (8) is hinged to the other journal of the crankshaft (3), the other end of the second connecting rod (8) is hinged to the second linkage shaft (6), and translation guide devices are respectively arranged between two ends of the first linkage shaft (5) and the rack (2) and between two ends of the second linkage shaft (6) and the rack (2).

4. The four-point toggle high-speed punch press as claimed in claim 3, wherein the translational guide means comprises rectangular guide blocks (9) fixed at both ends of the first linkage shaft (5) and at both ends of the second linkage shaft (6), the frame (2) corresponding to the rectangular guide blocks (9) has horizontally arranged guide rails (10), and the rectangular guide blocks (9) are located at the corresponding guide rails (10) and slidably engaged with the corresponding guide rails (10).

5. The four-point toggle type high-speed punch press as claimed in claim 2, wherein the slider (4) is in a rectangular block shape, and a first connecting column (11), a second connecting column (12), a third connecting column (13) and a fourth connecting column (14) are vertically and fixedly arranged at the corners of the slider (4).

6. The four-point toggle high-speed punch press as claimed in claim 5, wherein the linkage driving device comprises a first connecting column (11) with a first pair of ears (15) hinged at the upper end thereof, a second connecting column (12) with a second pair of ears (16) hinged at the upper end thereof, a third connecting column (13) with a third pair of ears (17) hinged at the upper end thereof, a fourth connecting column (14) with a fourth pair of ears (18) hinged at the upper end thereof, the other end of the first pair of ears (15) and the other end of the third pair of ears (17) being hinged respectively to the first linkage shaft (5), the other end of the second pair of ears (16) and the other end of the fourth pair of ears (18) being hinged respectively to the second linkage shaft (6), the first pair of ears (15) and the second pair of ears (16) being transversely aligned and hinged therebetween to a first linkage rod (19), the third counter ear piece (17) and the fourth counter ear piece (18) are transversely aligned and distributed, and a linkage rod II (20) is hinged between the third counter ear piece and the fourth counter ear piece.

7. The four-point toggle high-speed punch press as claimed in claim 6, wherein one end of the first pair of ears (15) and one end of the first linkage (19) are hinged to the upper end of the first connecting column (11) through a first pin, one end of the third pair of ears (17) and one end of the second linkage (20) are hinged to the upper end of the third connecting column (13) through a second pin, the first pin and the second pin are axially distributed, one end of the second pair of ears (16) and the other end of the first linkage (19) are hinged to the upper end of the second connecting column (12) through a third pin, one end of the fourth pair of ears (18) and the other end of the second linkage (20) are hinged to the upper end of the fourth connecting column (14) through a fourth pin, and the third pin and the fourth pin are axially distributed.

8. The four-point toggle high-speed punch press according to claim 1, wherein the power device comprises a motor (21) fixedly connected to the frame (2), the crankshaft (3) is fixedly provided with a flywheel (22), and the motor (21) and the flywheel (22) are connected through a belt transmission.