Linear reciprocating mechanism

Abstract

The application discloses a linear reciprocating mechanism, which comprises gear shaft one, synchronous pulley one, gear shaft two, gear shaft three, gear shaft four, synchronous pulley two, a bottom plate, a cam shaft, a tension spring, a cam, synchronous belt one, synchronous pulley three, synchronous pulley four, synchronous pulley five, synchronous belt two, a V-shaped wheel, a guide rail slider, a guide rail, an internal gear support, a speed reducer motor, spring shaft one, spring shaft two, an external gear support, gear shaft five, gear shaft six, gear shaft seven, a stop block, synchronous belt three, a driven shaft, synchronous pulley six, a driven support, a sliding plate, gear one, gear two, gear three, gear four, gear five, gear six and gear seven. The application modularizes the control mechanism, does not need to design different mechanisms according to strokes, greatly improves design efficiency, and has the advantages of compact space and low cost while meeting the long-distance reciprocating function.

Description

Technical Field

[0001] This invention relates to the field of automation equipment technology, and in particular to a linear reciprocating mechanism. Background Technology

[0002] Linear reciprocating mechanisms are widely used in production and daily life, and their structural forms are diverse, basically meeting various application requirements. However, in practical use, each type of linear reciprocating mechanism has its own shortcomings. The biggest shortcoming is that to achieve reciprocating motion over a distance of more than two meters, the mechanical structure would need to be very large, or advanced control systems such as stepper motors would need to be used. However, this results in a significant increase in mechanical and control costs under the same load. Therefore, the market urgently needs a mechanical mechanism that is compact, inexpensive, and can meet the requirements of long-distance reciprocating motion. A linear reciprocating mechanism has been designed to address these issues. Summary of the Invention

[0003] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a compact and low-cost linear reciprocating mechanism to solve the problem of limited stroke in existing linear reciprocating mechanisms.

[0004] This invention is achieved through the following technical solution: a linear reciprocating mechanism, comprising a gear shaft 1, a synchronous belt pulley 1, a gear shaft 2, a gear shaft 3, a gear shaft 4, a synchronous belt pulley 2, a base plate, a cam shaft, a tension spring, a cam, a synchronous belt 1, a synchronous belt pulley 3, a synchronous belt pulley 4, a synchronous belt pulley 5, a synchronous belt 2, a V-shaped pulley, a guide rail slider, a guide rail, an internal gear support, a reduction motor, a spring shaft 1, a spring shaft 2, an external gear support, a gear shaft 5, a gear shaft 6, a gear shaft 7, a stop block, a synchronous belt 3, a driven shaft, a synchronous belt pulley 6, a driven support, a sliding plate, and gears 1, 2, 3, 4, 5, 6, and 7.

[0005] Furthermore, the external gear bracket, driven bracket, and stop block are fixed to the base plate.

[0006] Furthermore, the two ends of the camshaft are respectively mounted on the external gear bracket and the base plate, and the cam and the timing pulley three are fixed on the camshaft; the geared motor is fixed on the external gear bracket, the timing pulley four is fixed on the lower output shaft of the geared motor, and the timing pulley five is fixed on the side output shaft of the geared motor; the guide rail is fixed on the external gear bracket, and the guide rail slider is mounted on the guide rail.

[0007] Furthermore, gear shafts five, six, and seven are respectively mounted on the external gear bracket. Synchronous pulley two and gear two are fixed to gear shaft five, gear four is fixed to gear shaft six, and synchronous pulley one and gear six are fixed to gear shaft seven. Spring shaft one is fixed to the external gear bracket, with one end of the tension spring mounted on spring shaft one and the other end mounted on spring shaft two. The driven shaft is mounted on the driven bracket, and synchronous pulley six is ​​fixed to the driven shaft.

[0008] Furthermore, the internal gear bracket is fixed to the guide rail slider. The V-shaped wheel is fixed to the internal gear bracket, and its wheel is always tangent to the cam, so that the entire internal gear bracket can reciprocate along the shape of the cam; the second spring shaft is fixed to the internal gear bracket, and its two ends pass through the waist-shaped hole on the external gear bracket, so that the V-shaped wheel on the internal gear bracket can always keep in contact with the cam.

[0009] Furthermore, gear shaft one, gear shaft two, gear shaft three, and gear shaft four are respectively mounted on the internal gear bracket. Gear seven is fixed to gear shaft one; gear five is fixed to gear shaft two; gear three is fixed to gear shaft three; and gear one is fixed to gear shaft four.

[0010] Furthermore, synchronous pulleys three and four are driven by synchronous belt one, synchronous pulleys two and five are driven by synchronous belt two, and synchronous pulleys one and six are driven by synchronous belt three.

[0011] Furthermore, the slide is fixed to the timing belt three and moves as the timing belt three moves.

[0012] Furthermore, when gear one meshes with gear two, gear six also meshes with gear seven. At this time, the output direction of synchronous pulley one is opposite to that of the geared motor. When gear one does not mesh with gear two or gear four, gear six does not mesh with any gear. At this time, synchronous pulley one does not rotate. When gear one meshes with gear four, gear six also meshes with gear three. At this time, the output direction of synchronous pulley one is the same as that of the geared motor.

[0013] Furthermore, by changing the number of teeth on gear five and gear seven, the skateboard can be precisely controlled to move forward and backward at different speeds.

[0014] Furthermore, by designing the cam shape, the ratio of the skateboard's forward time, backward time, and interval time can be changed to achieve precise control of the skateboard.

[0015] Furthermore, by changing the reduction ratio of synchronous pulleys three and four, as well as the reduction ratio of synchronous pulleys two and five, the mechanism can precisely control the speed and stroke of the slider using only one motor.

[0016] This invention modularizes the control mechanism, eliminating the need to design different mechanisms based on the travel distance, thus greatly improving design efficiency. It also offers the advantages of compact space and low cost while meeting the requirements for long-distance round-trip functionality. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the internal structure of a linear reciprocating mechanism proposed in this invention;

[0019] Figure 2 This is a schematic diagram of the external architecture of a linear reciprocating mechanism proposed in this invention;

[0020] Figure 3 This is a schematic diagram of the gear state of a linear reciprocating mechanism proposed in this invention;

[0021] In the diagram: (1) Gear shaft 1, (2) Synchronous belt pulley 1, (3) Gear shaft 2, (4) Gear shaft 3, (5) Gear shaft 4, (6) Synchronous belt pulley 2, (7) Base plate, (8) Camshaft, (9) Tension spring, (10) Cam, (11) Synchronous belt 1, (12) Synchronous belt pulley 3, (13) Synchronous belt pulley 4, (14) Synchronous belt pulley 5, (15) Synchronous belt 2, (16) V-shaped wheel, (17) Guide rail slider, (18) Guide rail, (19) Internal gear bracket, (20) (21) Gear motor, (22) Spring shaft 1, (23) Spring shaft 2, (24) External gear bracket, (25) Gear shaft 5, (26) Gear shaft 6, (27) Stop block, (28) Synchronous belt 3, (29) Driven shaft, (30) Synchronous belt pulley 6, (31) Driven bracket, (32) Slide plate, (33) Gear 1, (34) Gear 2, (35) Gear 3, (36) Gear 4, (37) Gear 5, (38) Gear 6, (39) Gear 7. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] As attached Figure 1 Appendix Figure 2As shown, the external gear bracket, driven bracket, and stop block are fixed to the base plate. The two ends of the camshaft are respectively mounted on the external gear bracket and the base plate; the cam and synchronous pulley three are fixed to the camshaft; the geared motor is fixed to the external gear bracket; synchronous pulley four is fixed to the lower output shaft of the geared motor; synchronous pulley five is fixed to the side output shaft of the geared motor; the guide rail is fixed to the external gear bracket, and the guide rail slider is mounted on the guide rail. Gear shafts five, six, and seven are respectively mounted on the external gear bracket. Synchronous pulley two and gear two are fixed to gear shaft five; gear four is fixed to gear shaft six; synchronous pulley one and gear six are fixed to gear shaft seven; spring shaft one is fixed to the external gear bracket; one end of the tension spring is mounted on spring shaft one, and the other end is mounted on spring shaft two; the driven shaft is mounted on the driven bracket, and synchronous pulley six is ​​fixed to the driven shaft. The internal gear bracket is fixed to the guide rail slider. The V-shaped wheel is fixed to the internal gear bracket, and its wheel is always tangent to the cam, allowing the entire internal gear bracket to reciprocate along the shape of the cam. Spring shaft two is fixed to the internal gear bracket, and its two ends pass through the oblong holes on the external gear bracket, ensuring that the V-shaped wheel on the internal gear bracket remains in contact with the cam. Gear shafts one, two, three, and four are respectively mounted on the internal gear bracket. Gear seven is fixed to gear shaft one; gear five is fixed to gear shaft two; gear three is fixed to gear shaft three; and gear one is fixed to gear shaft four. Synchronous pulleys three and four are driven by synchronous belt one, synchronous pulleys two and five are driven by synchronous belt two, and synchronous pulleys one and six are driven by synchronous belt three. The sliding plate is fixed to synchronous belt three and moves with the movement of synchronous belt three.

[0024] As attached Figure 3 As shown, when gear one meshes with gear two, gear six also meshes with gear seven. At this time, the output direction of synchronous pulley one is opposite to that of the geared motor. When gear one does not mesh with gear two or gear four, gear six does not mesh with any gear. At this time, synchronous pulley one does not rotate. When gear one meshes with gear four, gear six also meshes with gear three. At this time, the output direction of synchronous pulley one is the same as that of the geared motor.

[0025] By changing the number of teeth on gear five and gear seven, the skateboard can be precisely controlled to move forward and backward at different speeds.

[0026] By designing the shape of the cam, the ratio of the skateboard's forward movement time, backward movement time, and pause time can be changed to achieve precise control of the skateboard.

[0027] By changing the reduction ratios of synchronous pulleys three and four, as well as the reduction ratios of synchronous pulleys two and five, the mechanism can precisely control the speed and stroke of the slider using only one motor.

[0028] Any aspects of this invention not described in detail are well-known to those skilled in the art.

[0029] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A linear reciprocating mechanism, characterized in that: Includes gear shaft 1, timing pulley 1, gear shaft 2, gear shaft 3, gear shaft 4, timing pulley 2, base plate, camshaft, tension spring, cam, timing belt 1, timing pulley 3, timing pulley 4, timing pulley 5, timing belt 2, V-belt, guide rail slider, guide rail, internal gear bracket, geared motor, spring shaft 1, spring shaft 2, external gear bracket, gear shaft 5, gear shaft 6, gear shaft 7, stop block, timing belt 3, driven shaft, timing pulley 6, driven bracket, slide plate, gear 1, gear 2, gear 3, gear 4, gear 5, gear 6, gear 7; The external gear bracket, driven bracket, and stop block are fixed to the base plate; both ends of the camshaft are respectively mounted on the external gear bracket and the base plate, and the cam and synchronous pulley three are fixed to the camshaft; the geared motor is fixed to the external gear bracket, synchronous pulley four is fixed to the lower output shaft of the geared motor, and synchronous pulley five is fixed to the side output shaft of the geared motor; the guide rail is fixed to the external gear bracket, and the guide rail slider is mounted on the guide rail; gear shaft five, gear shaft six, and gear shaft seven are respectively mounted on the external gear bracket; synchronous pulley two and gear two are fixed to gear shaft five, and gear four is fixed to gear shaft five. Sixth, synchronous pulley one and gear six are fixed to gear shaft seven; spring shaft one is fixed to the external gear bracket, one end of the tension spring is installed on spring shaft one, and the other end is installed on spring shaft two; the driven shaft is installed on the driven bracket, and synchronous pulley six is ​​fixed to the driven shaft; the internal gear bracket is fixed to the guide rail slider; the V-shaped wheel is fixed to the internal gear bracket, and its wheel is always tangent to the cam, so that the entire internal gear bracket can reciprocate along the shape of the cam; spring shaft two is fixed to the internal gear bracket, and its two ends pass through the oblong holes on the external gear bracket. This arrangement ensures that the V-shaped wheel on the internal gear bracket remains in contact with the cam. Gear shafts 1, 2, 3, and 4 are respectively mounted on the internal gear bracket. Gear 7 is fixed to gear shaft 1. Gear 5 is fixed to gear shaft 2. Gear 3 is fixed to gear shaft 3. Gear 1 is fixed to gear shaft 4. Synchronous pulleys 3 and 4 are driven by synchronous belt 1, synchronous pulleys 2 and 5 are driven by synchronous belt 2, and synchronous pulleys 1 and 6 are driven by synchronous belt 3. The slide plate is fixed to synchronous belt 3 and moves with the movement of synchronous belt 3.

2. The linear reciprocating mechanism according to claim 1, characterized in that: When gear one meshes with gear two, gear six also meshes with gear seven. At this time, the output direction of synchronous pulley one is opposite to that of the geared motor. When gear one does not mesh with gear two or gear four, gear six does not mesh with any gear. At this time, synchronous pulley one does not rotate. When gear one meshes with gear four, gear six also meshes with gear three. At this time, the output direction of synchronous pulley one is the same as that of the geared motor.

3. The linear reciprocating mechanism according to claim 2, characterized in that: By changing the number of teeth on gear five and gear seven, the skateboard can be precisely controlled to move forward and backward at different speeds.

4. The linear reciprocating mechanism according to claim 1, characterized in that: By designing the shape of the cam, the ratio of the skateboard's forward time, backward time, and interval time can be changed to achieve precise control of the skateboard.

5. The linear reciprocating mechanism according to claim 1, characterized in that: By changing the reduction ratios of synchronous pulleys three and four, as well as the reduction ratios of synchronous pulleys two and five, the mechanism can precisely control the speed and stroke of the slider using only one motor.

Images