CN110203691A - A kind of stepless automatic change spacing mould group - Google Patents

Abstract

A stepless automatic pitch variable module, the back of the mounting plate is horizontally provided with a first left and right rotation ball screw and a second left and right rotation ball screw, one end of the first left and right rotation ball screw is provided with a first gear, the second One end of the left and right ball screw is provided with a second gear, and the first gear and the second gear are connected in transmission; the front of the mounting plate is provided with a horizontal guide rail group, and the horizontal guide rail group moves from left to right in turn and is provided with a vertical first gear. A motion module, a second motion module, a third motion module and a fourth motion module. The invention can automatically adjust the distance between the products to be taken at equal intervals, effectively solving the problem that the product spacing when grasping is not uniform with the product spacing when placing, stepless adjustment, wide application range, and simple structure, only one driving cylinder is required The spacing adjustment is completed, the space occupation is small, and the production cost is saved.

Description

A stepless automatic variable pitch module

technical field

The invention belongs to the technical field of automation, and in particular relates to a stepless automatic pitch variable module.

Background technique

In the automated production process, the retrieving device is an indispensable module for intelligent manufacturing; at present, in an automatic assembly mechanism, it is necessary to take out the product in the feeding device and then load it into another receiving device. In order to improve assembly efficiency, multiple products are generally grabbed at the same time and then loaded into the receiving device. However, the distance between the products in the feeding device and the distance between the products in the receiving device are different; therefore, multiple products are placed at the same time. In the process of grabbing and putting into the material receiving device, the distance between adjacent products needs to be changed to meet the requirements of the installation action. However, in the prior art, only the products can be installed one by one, and the assembly efficiency is low.

Therefore, a stepless automatic variable pitch module is designed to solve the above problems.

Contents of the invention

In order to overcome the deficiencies in the above-mentioned prior art, the purpose of the present invention is to provide a stepless automatic pitch-variable module.

In order to achieve the above purpose and other related purposes, the technical solution provided by the present invention is: a stepless automatic variable pitch module, including a mounting base, a vertical mounting plate is arranged under the mounting base, and the back of the mounting plate A first left and right rotation ball screw and a second left and right rotation ball screw are arranged horizontally, the second left and right rotation ball screw is arranged below the first left and right rotation ball screw, and the first left and right rotation ball screw One end of the bar is provided with a first gear, and one end of the second left-right-rotating ball screw is provided with a second gear, the number of teeth of the second gear is three times the number of teeth of the first gear, and the number of teeth of the first gear is three times that of the first gear. It is connected to the second gear transmission, and the other end of the second left and right rotation ball screw is connected to a motor; the front of the installation plate is provided with a horizontal guide rail group, and the horizontal guide rail group is arranged from left to right on the left and right The movement is provided with a vertical first motion module, a second motion module, a third motion module and a fourth motion module, the first motion module is connected to the right side of the first left and right rotation ball screw. The screw nut is connected, the second motion module is connected with the right screw nut of the second left and right rotation ball screw, and the third motion module is connected with the left side of the second left and right rotation ball screw. The lead screw nut is connected, and the fourth motion module is connected with the left lead screw nut of the first left and right rotation ball screw.

The preferred technical solution is: a square hole is provided in the middle of the mounting plate, and the horizontal guide rail group includes a first guide rail arranged above the square hole and a second guide rail and a third guide rail arranged below the square hole; A motion module and the fourth motion module are connected to the first left and right rotation ball screw through a first Z-shaped piece, and the second motion module and the third motion module are connected through a The second Z-shaped piece is connected to the second left-right-rotating ball screw, and the first Z-shaped piece and the second Z-shaped piece are both disposed through the square hole.

The preferred technical solution is: the first motion module, the second motion module, the third motion module and the fourth motion module all include a motion board installed on the horizontal guide rail group, and the motion board A vertical guide rail is provided, and a movable seat is arranged to move up and down on the vertical guide rail, and a suction cup for taking materials is fixed on the movable seat, and a buffer member is arranged on the upper end of the movable seat.

The preferred technical solution is: the buffer member includes a first gasket arranged on the upper end of the moving seat and a second gasket arranged above the first gasket, and the second gasket is fixed on a cylinder On the piston rod, the cylinder is fixed on the moving seat and the piston rod is set downwards, the lower end of the piston rod is fixed inside the moving seat through a connecting piece, the first pad and the second pad Springs are arranged between the sheets.

The preferred technical solution is: the ends of the first Z-shaped piece and the second Z-shaped piece on the front side of the installation plate are both provided with waist-shaped holes.

The preferred technical solution is: a calibration board is provided under the installation board, and the calibration board is provided with positioning holes corresponding to the suction cups for taking out materials.

A preferred technical solution is: a reinforcing support is provided at the joint between the mounting plate and the mounting seat.

The preferred technical solution is: both the front and the back of the installation board are provided with dust covers.

Owing to above-mentioned technical scheme uses, the advantage that the present invention has compared with prior art is:

The invention can automatically adjust the distance between the taken products at equal intervals, effectively solve the problem that the distance between the products when grasping and when placing them is not uniform, the stepless adjustment has a wide application range, and the structure is simple, only one driving cylinder is needed The spacing adjustment is completed, the space occupation is small, and the production cost is saved.

Description of drawings

Fig. 1 is the overall schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the back side of the present invention.

Fig. 3 is a schematic diagram of the first motion module (the second motion module, the third motion module or the fourth motion module).

In the above drawings, the mounting seat 1, the mounting plate 2, the first left and right rotation ball screw 3, the second left and right rotation ball screw 4, the first gear 5, the second gear 6, the motor 7, the horizontal guide rail group 8, the second A guide rail 801, a second guide rail 802, a third guide rail 803, the first motion module 9, the second motion module 10, the third motion module 11, the fourth motion module 12, the first Z-shaped part 13, the Two Z-shaped parts 14, a moving plate 15, a vertical guide rail 16, a moving seat 17, a suction cup 18, a buffer 19, a first gasket 1901, a second gasket 1902, a spring 1903, a cylinder 20, and a check plate 21 , Positioning hole 22, strengthening support 23.

Detailed ways

The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

Please refer to Figure 1 to Figure 3. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present invention without any substantial change in the technical content.

Embodiment: As shown in Figures 1 to 3, a stepless automatic variable pitch module includes a mounting base 1, a vertical mounting plate 2 is arranged under the mounting base 1, and a first horizontal mounting plate 2 is arranged on the back of the mounting plate 2 The left and right rotation ball screw 3 and the second left and right rotation ball screw 4, the second left and right rotation ball screw 4 is arranged below the first left and right rotation ball screw 3, and one end of the first left and right rotation ball screw 3 is provided with a second One gear 5, one end of the second left and right spiral ball screw 4 is provided with a second gear 6, the number of teeth of the second gear 6 is three times the number of teeth of the first gear 5, the first gear 5 and the second gear 6 are connected in transmission, The other end of the second left and right rotation ball screw 4 is connected with a motor 7; the front of the mounting plate 2 is provided with a horizontal guide rail group 8, and the horizontal guide rail group 8 moves from left to right in turn and is provided with a vertical first motion model. Group 9, the second movement module 10, the third movement module 11 and the fourth movement module 12, the first movement module 9 is connected with the right screw nut of the first left and right rotation ball screw 3, the second movement The module 10 is connected with the right screw nut of the second left and right rotation ball screw 4, the third motion module 11 is connected with the left screw nut of the second left and right rotation ball screw 4, and the fourth motion module 12 is connected with the left side screw nut of the second left and right rotation ball screw 4. The left screw nut of the first left and right rotation ball screw 3 is connected.

The principle of variable pitch: start the motor 7, the motor 7 drives the second left and right rotation ball screw 4 to rotate, the second left and right rotation ball screw 4 drives the first left and right rotation ball screw 3 to rotate through the synchronous toothed belt, at this time, respectively set The second motion module 10 and the third motion module 11 on the left and right sides of the second left and right rotation ball screw 4 move to the middle at the same time, and are respectively arranged on the first left and right sides of the first left and right rotation ball screw 3 . Motion module 9 and the 4th motion module 12 also move to the middle simultaneously, because the number of teeth of the second gear 6 is three times of the number of teeth of the first gear 5, so the speed that the first left and right spiral ball screw 3 rotates is the second. Three times of the rotation speed of the left and right ball screw 4, that is, the moving speed of the first motion module 9 and the fourth motion module 12 is three times that of the second motion module 10 and the third motion module 11, then it can be Realize that the adjacent distance between the first movement module 9 , the second movement module 10 , the third movement module 11 and the fourth movement module 12 remains unchanged, realizing stepless automatic distance change.

Example: When the adjacent distance needs to be adjusted from 50 to 30, the second motion module 10 and the third motion module 11 need to move to the middle by 10, and the first motion module 9 and the fourth motion module 12 need to move to the middle Move three times the distance in the middle, that is, 30, and the same is true for other spacing changes, so I will not give examples one by one; when the number of teeth of the second gear 6 is three times the number of teeth of the first gear 5, the stepless variable spacing can be realized, and Adjacent spacing remains unchanged.

A preferred embodiment is: as shown in Figure 1, a square hole is provided in the middle of the mounting plate 2, and the horizontal guide rail group 8 includes a first guide rail 801 arranged above the square hole, a second guide rail 802 arranged below the square hole, a second guide rail 802 arranged below the square hole, Three guide rails 803; the first motion module 9 and the fourth motion module 12 are connected with the first left and right rotation ball screw 3 through a first Z-shaped part 13, the second motion module 10 and the third motion module 11 Both are connected to the second left and right rotation ball screw 4 through a second Z-shaped piece 14, and both the first Z-shaped piece 13 and the second Z-shaped piece 14 are set through the square hole. Setting the square hole can reduce the overall weight of the module and reduce the transportation cost; the square hole is also to facilitate the connection between the motion module and the ball screw, and reduce the space occupied by the equipment; the guide rails are set up and down the square hole to ensure the smooth operation of the motion module. Improve pitch accuracy.

A preferred embodiment is: as shown in Figure 1 and Figure 3, the first motion module 9, the second motion module 10, the third motion module 11 and the fourth motion module 12 all include The moving plate 15 on the top, the moving plate 15 is provided with a vertical guide rail 16, the vertical guide rail 16 moves up and down to be provided with a moving seat 17, the moving seat 17 is fixed with a suction cup 18, and the upper end of the moving seat 17 is provided with a buffer 19. Z-axis automatic distance change, combined with Y-axis reclaiming, is easy to operate and improves production efficiency.

A preferred embodiment is: as shown in FIG. 3 , the buffer member 19 includes a first gasket 1901 arranged on the upper end of the moving seat 17 and a second gasket 1902 arranged above the first gasket 1901 , and the second gasket 1902 is fixed On the piston rod of a cylinder 20, the cylinder 20 is fixed on the moving seat 17 and the piston rod is set downwards, and the lower end of the piston rod is fixed inside the moving seat 17 through a connecting piece, between the first gasket 1901 and the second gasket 1902 A spring 1903 is arranged between them. When the cylinder 20 moves, the piston rod moves downward with the moving seat 17, and the retrieving suction cup 18 receives a reaction force after touching the product, which drives the moving seat 17 to move the first gasket 1901 upward and compresses the spring 1903 to play a role of buffer protection. effect.

A preferred embodiment is as follows: as shown in FIG. 1 , a calibration board 21 is provided under the installation board 2 , and the calibration board 21 is provided with positioning holes 22 corresponding to the suction cups 18 for taking out materials. The ends of the first Z-shaped piece 13 and the second Z-shaped piece 14 on the front side of the mounting plate 2 are both provided with waist-shaped holes. During installation, it is first necessary to ensure that the initial adjacent spacing is equal, so a check plate 21 is provided to ensure the working accuracy.

Calibration method: firstly insert each feeding suction cup 18 into the corresponding positioning hole 22, and then adjust the installation position of the motion module and the ball screw through the motor 7 or manually; the motion module can also be directly adjusted through the waist hole. group position.

A preferred embodiment is: as shown in FIG. 2 , a reinforcing support 23 is provided at the joint between the mounting plate 2 and the mounting seat 1 . Ensure the stability of the structure and improve the running accuracy.

A preferred embodiment is: (not shown in the figure) both the front and back of the mounting plate 2 are provided with dust covers. Reduce dust entry, improve equipment life; prevent personnel from touching, and improve safety performance.

The invention can automatically adjust the distance between the taken products at equal intervals, effectively solve the problem that the distance between the products when grasping and when placing them is not uniform, the stepless adjustment has a wide application range, and the structure is simple, only one driving cylinder is needed The spacing adjustment is completed, the space occupation is small, and the production cost is saved.

The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention should still be covered by the claims of the present invention.

Claims (8)

1. A stepless automatic variable pitch module, comprising a mounting seat, a vertical mounting plate is arranged under the mounting seat, and it is characterized in that: the back side of the mounting plate is horizontally provided with a first left and right rotation ball screw and The second left and right rotation ball screw, the second left and right rotation ball screw is arranged below the first left and right rotation ball screw, one end of the first left and right rotation ball screw is provided with a first gear, the One end of the second left and right spiral ball screw is provided with a second gear, the number of teeth of the second gear is three times the number of teeth of the first gear, the first gear and the second gear are connected by transmission, the The other end of the second left and right rotation ball screw is connected with a motor; the front of the mounting plate is provided with a horizontal guide rail group, and the horizontal guide rail group moves from left to right in turn and is provided with a vertical first motion module , the second movement module, the third movement module and the fourth movement module, the first movement module is connected with the right screw nut of the first left and right rotation ball screw, and the second movement module The group is connected with the right screw nut of the second left and right rotation ball screw, the third motion module is connected with the left screw nut of the second left and right rotation ball screw, and the fourth motion module The group is connected with the left screw nut of the first left and right rotation ball screw. 2. A stepless automatic variable pitch module according to claim 1, characterized in that: a square hole is provided in the middle of the mounting plate, and the horizontal guide rail group includes a first guide rail and a first guide rail arranged above the square hole. The second guide rail and the third guide rail are arranged under the square hole; the first motion module and the fourth motion module are connected to the first left and right rotation ball screw through a first Z-shaped piece, so Both the second motion module and the third motion module are connected to the second left and right rotation ball screw through a second Z-shaped piece, and the first Z-shaped piece and the second Z-shaped piece are both set through the square hole. 3. A stepless automatic pitch-variable module according to claim 2, characterized in that: the first movement module, the second movement module, the third movement module and the fourth movement module all include The movement plate installed on the horizontal guide rail group, the movement plate is provided with a vertical guide rail, the vertical guide rail is moved up and down to be provided with a moving seat, and a suction cup for taking materials is fixed on the moving seat, and the moving The upper end of the seat is provided with a buffer piece. 4. A stepless automatic pitch-variable module according to claim 3, characterized in that: the buffer member includes a first gasket arranged on the upper end of the moving seat and a first gasket arranged above the first gasket. The second gasket, the second gasket is fixed on the piston rod of a cylinder, the cylinder is fixed on the moving seat and the piston rod is set downward, and the lower end of the piston rod is fixed on the Inside the moving seat, a spring is arranged between the first washer and the second washer. 5. A stepless automatic pitch-variable module according to claim 4, characterized in that: the ends of the first Z-shaped piece and the second Z-shaped piece on the front of the mounting plate are both provided with a waist type hole. 6. A stepless automatic variable pitch module according to claim 5, characterized in that: a calibration board is provided below the installation board, and the calibration board is provided with a positioning plate corresponding to the suction cups for taking materials. hole. 7. A stepless automatic pitch variable module according to claim 6, characterized in that: the connection between the mounting plate and the mounting seat is provided with a reinforcing support. 8. A stepless automatic variable pitch module according to claim 7, characterized in that: the front and back of the mounting plate are provided with dust covers.