CN215704515U

CN215704515U - Multi-station conveying equipment

Info

Publication number: CN215704515U
Application number: CN202121722392.4U
Authority: CN
Inventors: 王栋梁; 赵小兵; 武闪闪
Original assignee: Suzhou Yuto Printing Packing Co ltd
Current assignee: Suzhou Yuto Printing Packing Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-01
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to multi-station conveying equipment which comprises a guide module, a plurality of positioning carriers and a feeding and discharging module, wherein the guide module is enclosed into a closed shape, the positioning carriers slide along the guide module, and the feeding and discharging module is arranged above one side of the guide module; the guide module comprises a synchronous belt and a guide rail which are the same in shape; the positioning carriers comprise positioning substrates for placing materials, X-axis limiting mechanisms and Y-axis limiting mechanisms which stretch along the direction vertical to the outer contour of the materials; the feeding and discharging module comprises a feeding mechanical arm and a discharging mechanical arm; the material guide device is used for realizing that materials stay at a specified station for processing according to process requirements in the process of moving along the guide module, and only one device can realize matching selection of different processes, so that the applicability is strong, and the production efficiency is high; simultaneously, the location carrier of combination use can realize the location to not unidimensional rectangle box body, and the location is high efficiency, and adaptability and regulation flexibility are showing.

Description

Multi-station conveying equipment

Technical Field

The utility model relates to the technical field of automation equipment, in particular to multi-station conveying equipment.

Background

In the field of production and manufacturing of packing boxes, a plurality of rectangular box bodies are produced, and production, assembly and preparation of the rectangular box bodies generally comprise the working procedures of glue spraying, top clamping, surrounding strip loading, inner support loading, envelope loading, detection and the like; the preparation of various box bodies comprises the steps of preparing by adopting a whole process, preparing by adopting a part of processes, and simultaneously, the sizes of the various box bodies are different; therefore, in the field of automatic box assembly, "how to adapt to multi-size products" and how to realize multi-process selection on a production line "are directions continuously studied by technical personnel, and the two purposes cannot be realized in the traditional equipment based on the two purposes, so that the equipment investment cost is overlarge, the preparation efficiency is low and the manual investment is overhigh.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a multistation transfer apparatus to solve prior art multiple operation production preparation in-process, the equipment input cost is too big, production efficiency is low and the artifical too high problem that drops into.

The technical scheme of the utility model is as follows: a multi-station conveying device comprises a closed guide module, a plurality of positioning carriers sliding along the guide module, and a feeding and discharging module arranged above one side of the guide module; the guide module comprises a synchronous belt and a guide rail which are the same in shape; the positioning carriers comprise positioning substrates for placing materials, X-axis limiting mechanisms and Y-axis limiting mechanisms which stretch along the direction vertical to the outer contour of the materials; the feeding and discharging module comprises a feeding mechanical arm and a discharging mechanical arm.

Preferably, the guide module is enclosed into a rectangular structure with an apex angle in the shape of 1/4 circular arcs, the synchronous belt is arranged on the inner ring side of the guide rail and is in a single-sided tooth structure, and a fluted disc and a motor for driving the synchronous belt to transmit are arranged at the inner side end of the apex angle; a carrying disc is fixed at the lower end of the positioning carrier, and the carrying disc is fixedly connected with the synchronous belt and is in sliding fit with the guide rail; and the feeding mechanical arm and the discharging mechanical arm are both two-shaft mechanical arms, and the end parts of the two-shaft mechanical arms are provided with any one of a sucker or a mechanical clamping jaw.

Preferably, the upper end surface of the positioning substrate is provided with a vertical plate, the lower part of the positioning substrate is fixedly connected with a mounting bottom plate, the mounting bottom plate is fixedly connected with the carrying disc, and an accommodating cavity is formed between the mounting bottom plate and the positioning substrate; the X-axis limiting mechanism acts on the outer contours of the two sides of the material, which are vertical to the vertical plate, and comprises a pair of limiting frames A and a guide assembly A for driving the pair of limiting frames A to synchronously and symmetrically move; the Y-axis limiting mechanism acts on the outer contour of one side of the material parallel to the vertical plate and comprises a limiting frame B and a guide assembly B for driving the limiting frame B to move; the guide assembly A and the guide assembly B are arranged in the containing cavity and fixed on the mounting bottom plate, the movably arranged end portions extend outwards from the containing cavity and are fixedly connected with the limiting frame A and the limiting frame B respectively, and the limiting frame A and the limiting frame B are located above the positioning substrate.

Preferably, the guide assembly a comprises a group of first guide seats symmetrically arranged, a first slide rail installed below the first guide seats, and a link mechanism driving the first guide seats to synchronously and symmetrically move along the first slide rail; the arrangement direction of the first slide rail is parallel to the end face of the vertical plate, a first limiting spring is arranged between a group of first guide seats along the movement direction, and the upper end part of the first guide seat on one side is fixedly connected with a limiting frame A; the guide assembly B comprises a second guide seat, a second slide rail arranged below the second guide seat and a buffer fixed at the upper end of the second guide seat and used for pushing the connecting rod mechanism to act; the second slide rail is arranged in a direction perpendicular to the end face of the vertical plate and is positioned between the pair of first guide seats; the buffer is kept away from to the second guide holder one side upper end and spacing frame B fixed connection, and the side has the spacing spring of second that sets up along the direction of motion, the spacing spring one end of second removes a tip fixed connection with the second, the other end and mounting plate fixed connection.

Preferably, the link mechanism comprises a main link and side links hinged with two ends of the main link, the width of an opening formed by the main link and the pair of side links is smaller than the length of the main link, and the opening direction faces one side of the buffer; the main connecting rod is connected with the lower end face of the positioning substrate in a sliding mode through a third sliding rail and is located in the same moving plane with the buffer; the third slide rail is perpendicular to the first slide rail, and the end part, far away from the main connecting rod, of one side of the side connecting rod is hinged to the first guide seat.

Preferably, a top support module for applying force to one side of the second guide seat, which is deviated to the buffer, is arranged on the side edge of the positioning carrier, which is correspondingly placed with the feeding and discharging module; the jacking module is selected from one of a jacking air cylinder or a gear rack mechanism; and the material ejecting cylinder/rack is arranged along the horizontal direction and is parallel to the second sliding rail, and the end part of the material ejecting cylinder/rack is opposite to the end part of the second guide seat.

Preferably, the guide module is including the frame that is used for fixed guide, every side that is the straight line shape of frame all is provided with carries out spacing module simultaneously to a plurality of location carriers.

Preferably, the limiting module comprises a rotating shaft arranged on the side edge of the frame, a downward extending guide plate and an upward extending guide plate fixedly connected with the rotating shaft, and a limiting cylinder for driving the downward extending guide plate to rotate; the two end parts of the limiting cylinder along the central axis direction are connected in a hinged mode; the side wall of the carrying disc is provided with a limiting cavity for embedding the top of the upward extending guide plate.

Preferably, a plurality of stations are arranged on the guide module, each positioning carrier sequentially moves along the distribution direction of the stations, an upward extending guide plate matched and limited with the corresponding carrying disc is arranged on the side edge of each station, and a press-fitting module is arranged above each station.

Preferably, the press-fitting module comprises a press-fitting part and a two-axis manipulator for driving the press-fitting part to move.

Compared with the prior art, the utility model has the advantages that:

the material guide device is used for realizing that materials stay at a specified station for processing according to process requirements in the process of moving along the guide module, and only one device can realize matching selection of different processes, so that the applicability is strong, and the production efficiency is high; meanwhile, the positioning carrier used in combination can realize positioning of rectangular box bodies with different sizes, positioning is rapid and efficient, and adaptability and adjustment flexibility are obvious; the whole equipment is put into use, so that the equipment investment cost and the labor cost can be greatly reduced, and the market prospect is wide.

Drawings

The utility model is further described with reference to the following figures and examples:

FIG. 1 is a schematic structural view of a multi-station transfer apparatus according to the present invention;

FIG. 2 is a schematic view of an arrangement structure of the guiding module and the positioning carrier according to the present invention;

fig. 3 is a schematic view of the arrangement structure of the limiting module of the present invention, i.e., an enlarged view of the structure at a in fig. 2;

FIG. 4 is a side view of the positioning carrier and the positioning module according to the present invention;

FIG. 5 is a schematic view of a positioning carrier according to the present invention;

FIG. 6 is a schematic structural view of the X-axis limiting mechanism of the present invention;

FIG. 7 is a schematic structural view of the Y-axis limiting mechanism of the present invention;

FIG. 8 is a schematic view of the arrangement structure of the X-axis limiting mechanism and the Y-axis limiting mechanism of the present invention;

fig. 9 is a schematic view of an arrangement structure of the loading mechanical arm according to the present invention;

FIG. 10 is a schematic view of the arrangement structure of the blanking mechanical arm according to the present invention;

FIG. 11 is a schematic view of the arrangement of the rack and pinion mechanism and the positioning carrier according to the present invention;

fig. 12 is a schematic view of an arrangement structure of the material ejecting cylinder and the positioning carrier according to the present invention.

Wherein: 1. a guide module;

11. a synchronous belt 12, a guide rail 13, a fluted disc 14, a motor 15 and a frame;

2. positioning a carrier;

21. a carrying tray;

22. positioning the substrate;

221. a vertical plate 222 and a mounting bottom plate;

23. an X-axis limiting mechanism;

231. the device comprises limiting frames A, 232, a first guide seat, 233, a first slide rail, 234, a connecting rod mechanism, 235, a main connecting rod, 236, side connecting rods, 237, a first limiting spring, 238 and a third slide rail;

24. a Y-axis limiting mechanism;

241. the limiting frame B, 242, a second guide seat, 243, a second slide rail, 244 and a second limiting spring;

3. a feeding and discharging module;

31. the automatic feeding device comprises a feeding mechanical arm 32, a discharging mechanical arm 33, a sucker 34, a mechanical clamping jaw 35, a gear-rack mechanism 351, a rack 352, a gear 36 and a material ejecting cylinder;

4. pressing the module;

5. a limiting module;

51. a rotating shaft 52, a downward extending guide plate 53, an upward extending guide plate 54 and a limiting cylinder;

6. and (3) feeding.

Detailed Description

The present invention will be further described in detail with reference to the following specific examples:

as shown in fig. 1, a multi-station conveying apparatus includes a closed guide module 1, a plurality of positioning carriers 2 sliding along the guide module 1, and a feeding and discharging module 3 mounted above one side of the guide module 1; the guide module 1 is provided with a plurality of stations, each positioning carrier 2 moves in sequence along the distribution direction of the stations, and meanwhile, a press-mounting module 4 is arranged above each station.

Referring to fig. 2 and 3, the guide module 1 is enclosed into a rectangular structure with an apex angle of 1/4 circular arc, and includes a synchronous belt 11 and a guide rail 12 with the same shape; the synchronous belt 11 is arranged at the inner ring side of the guide rail 12 and has a single-sided tooth structure, and a fluted disc 13 and a motor 14 for driving the synchronous belt to transmit are arranged at the inner side end of the vertex angle; the guide rail 12 is formed by splicing a plurality of linear rails and arc rails, and the lower end of the guide rail is also fixed with a frame 15; as shown in fig. 3 and 4, each linear side of the frame 15 is provided with a limiting module 5 for simultaneously limiting a plurality of positioning carriers 2, and each limiting module 5 includes a rotating shaft 51 installed at the side of the frame 15, a downward-extending guide plate 52 and an upward-extending guide plate 53 fixedly connected with the rotating shaft 51, and a limiting cylinder 54 for driving the downward-extending guide plate 52 to rotate; the two end parts of the limiting cylinder 54 along the central axis direction are connected in a hinged mode; and then spacing cylinder 54 promotes down to stretch when baffle 52 rotates, can drive pivot 51 and the rotation of the baffle 53 that stretches up in proper order, and every is stretched up the baffle 53 and is corresponded a station on the guide module 1.

As shown in fig. 4, a carrying disc 21 is further fixed at the lower end of the positioning carrier 2, the side edge of the carrying disc 21 is fixedly connected with the synchronous belt 11, and the lower end is in sliding fit with the guide rail 12; the limiting module 5 is used for limiting the positioning carriers 2 of each station, so that a limiting cavity for embedding the top of the upper extending guide plate 53 is formed in the side wall of the carrying disc 21 fixed at the lower end of each positioning carrier 2; when the positioning carrier 2 moves to the corresponding station, the limiting cylinder 54 pushes the downward-extending guide plate 52 to rotate, the rotating shaft 51 and the upward-extending guide plate 53 are sequentially driven to rotate, and the top of the upward-extending guide plate 53 is embedded into the limiting cavity, so that effective limiting is realized.

As shown in fig. 5, the positioning carriers 2 include a positioning substrate 22 for placing the material 6, an X-axis limiting mechanism 23 and a Y-axis limiting mechanism 24 extending and retracting along a direction perpendicular to the outer contour of the material 6; the upper end surface of the positioning substrate 22 is provided with a vertical plate 221, the lower part of the vertical plate is fixedly connected with a mounting bottom plate 222, the mounting bottom plate 222 is fixedly connected with the carrying disc 21, and an accommodating cavity is formed between the mounting bottom plate 222 and the positioning substrate 22.

As shown in fig. 5 and 6, the X-axis limiting mechanism 23 acts on the outer contours of the two sides of the material 6 perpendicular to the vertical plate 221, and includes a pair of limiting frames a231 and a guide assembly a (composed of 232, 233, and 234) for driving the pair of limiting frames a231 to synchronously and symmetrically move; the guide assembly a is arranged in the accommodating cavity and fixed on the mounting base plate 222, the movably arranged end part extends outwards from the accommodating cavity and is fixedly connected with the limiting frame a231, and the limiting frame a231 is arranged above the positioning base plate 22 in parallel; specifically, the guiding assembly a includes a set of first guiding seats 232 symmetrically disposed, a first sliding rail 233 installed below the first guiding seats 232, and a link mechanism 234 for driving the first guiding seats 232 to synchronously and symmetrically move along the first sliding rail 233; as shown in fig. 5, the first slide rail 233 is arranged in a direction parallel to the end surface of the vertical plate 221, a first limiting spring 237 is arranged between the first guide bases 232 in the moving direction, and the upper end of the first guide base 232 on one side is fixedly connected to the limiting frame a 231; the link mechanism 234 includes a main link 235 and a side link 236 hinged to both ends of the main link 235, the main link 235 is slidably connected to the lower end surface of the positioning substrate 22 by a third slide rail 238, an end of the side link 236 away from the main link 235 is hinged to the first guide seat 232, and as shown in fig. 8, the third slide rail 238 is perpendicular to the first slide rail 233.

As shown in fig. 5 and 7, the Y-axis limiting mechanism 24 acts on the outer contour of the material 6 parallel to one side of the vertical plate 221, and includes a limiting frame B241 and a guiding component B (composed of 242 and 243) for driving the limiting frame B241 to move; the guide assembly B is arranged in the accommodating cavity and fixed on the mounting base plate 222, the movably arranged end part extends outwards from the accommodating cavity and is fixedly connected with the limiting frame B241, and the limiting frame B241 is arranged above the positioning base plate 22 in parallel; specifically, the guide assembly B includes a second guide seat 242 and a second slide rail 243 installed below the second guide seat 242, and a buffer 245 for pushing the link mechanism 234 to move is fixed at the upper end of the second guide seat 242; as shown in fig. 5, the second slide rail 243 is disposed in a direction perpendicular to the end surface of the vertical plate 221 and between the pair of first guide seats 232; the upper end of the second guiding seat 242 away from the vertical plate 221 is fixedly connected to the limiting frame B241, the side of the second guiding seat has a second limiting spring 244 arranged along the moving direction, one end of the second limiting spring 244 is fixedly connected to the end of the second moving seat, and the other end of the second limiting spring is fixedly connected to the mounting base plate 222.

Regarding the positional relationship between the X-axis limiting mechanism 23 and the Y-axis limiting mechanism 24, as shown in fig. 8, the second slide rail 243 and the second guide base 242 are disposed between the pair of first guide bases 232, and the moving direction is perpendicular to the moving direction of the first guide bases 232; in the link mechanism 234, the width of the opening of the shape enclosed by the main link 235 and the pair of side links 236 is smaller than the length of the main link 235, and the opening direction faces one side of the buffer 245 and is in the same motion plane with the buffer 245; because the limiting frame B241 and the vertical plate 221 are used for positioning the material 6 in the Y-axis direction, the limiting frame B241 needs to be fixed to the side of the second guide seat 242 away from the vertical plate 221, and the buffer 245 is disposed at the side of the deviation vertical plate 221; the reasonable position relation is set, so that the X-axis limiting mechanism 23 and the Y-axis limiting mechanism 24 can be synchronously unfolded and clamped, and the efficient positioning of the material 6 is realized.

As shown in fig. 1, the loading and unloading module 3 includes a loading robot arm 31 and a unloading robot arm 32; as shown in fig. 9 and 10, the feeding mechanical arm 31 and the discharging mechanical arm 32 both adopt two-axis mechanical arms, and the end parts of the two-axis mechanical arms are provided with any one of a suction cup or a mechanical clamping jaw for sucking the material 6 and placing the material on the positioning carrier 2; in this embodiment, the end of the feeding mechanical arm 31 is connected with a suction cup 33, and the end of the blanking mechanical arm 32 is connected with a mechanical clamping jaw 34; a jacking module for applying force to one side of the second guide seat 242, which is deviated to the buffer 245, is arranged on the side edge of the positioning carrier 2, which is arranged corresponding to the feeding mechanical arm 31 and the discharging mechanical arm 32; the jacking module selects one of a jacking air cylinder or a gear rack mechanism; in this embodiment, as shown in fig. 11, the top support module corresponding to one side of the loading robot arm 31 is a rack-and-pinion mechanism 35, in which a rack 351 is disposed along the horizontal direction, engaged with a pinion 352, and disposed parallel to the second slide rail 243, and the end portion is opposite to the end portion of the second guide seat 242; as shown in fig. 12, the ejection cylinder 36 is selected as the ejection module corresponding to one side of the blanking robot 32, the ejection cylinder 36 is parallel to the second slide rail 243, and the end of the ejection cylinder is opposite to the end of the second guide seat 242.

As shown in fig. 1, the press-fitting module 4 includes a press-fitting member and a two-axis robot for driving the press-fitting member to move.

The working principle of the multi-station conveying equipment is as follows:

first, specific processing procedures of different stations are determined, starting from the side of the loading mechanical arm 31 to the side of the unloading mechanical arm 32, and a total of 14 stations are set according to the embodiment shown in fig. 1, and the main procedures include: taking a box, spraying glue for the first time, installing a top clamp, pressing the top clamp, dispensing white glue on four walls, detecting whether glue is leaked or not, installing a surrounding strip, opening the surrounding strip, pressing the surrounding strip, spraying glue for the second time, installing an inner support, pressing the inner support, installing a sealing sleeve and putting down the box; during operation, material 6 gets through material loading arm 31 to place and fix a position on location carrier 2, location carrier 2 passes through the drive of hold-in range 11 and moves appointed station along guide rail 12, according to the selection of process, processes in proper order, finally takes out by unloading arm 32 can.

The working principle of the positioning carrier 2 is as follows:

during feeding, as shown in fig. 11 and 8, the rack 351 applies force to the second guide seat 242 to enable the second guide seat 242 to move along the second slide rail 243, in the process, the second limiting spring 244 is continuously stretched, the distance between the limiting frame B241 and the vertical plate 221 is continuously increased, the buffer 245 moves towards one side of the main connecting rod 235 until the buffer 245 abuts against the side wall of the main connecting rod 235, and the main connecting rod 235 is pushed to move along the third slide rail 238; at this time, due to the action of the link mechanism 234, one end of the pair of side links 236, which is far away from the main link 235, is continuously expanded, so as to drive the pair of limiting frames a231 to overcome the acting force of the first limiting spring 237 to be mutually separated, so that the space enclosed by the pair of limiting frames a231, the limiting frame B241 and the vertical plate 221 is enlarged, and at this time, the material 6 is placed in the enclosed space through the feeding mechanical arm 31; then, the rack 351 moves in the opposite direction to withdraw, the force applied to the second guide seat 242 is released, and the limit frame a231 and the limit frame B241 move to one side of the material 6 under the action of the first limit spring 237 and the second limit spring 244, so as to position the material 6; the vertical plate 221 is fixedly arranged, so that the positioning of the material 6 in the Y-axis direction is ensured; the link mechanism 234 is arranged to realize the synchronous motion of the pair of limiting frames A231, so that the positioning of the material 6 in the X-axis direction is ensured, and the positioning of the whole structure is accurate and efficient; the positioning carrier 2 moves along the guide module 1 for one circle and then reaches the lower part of the blanking mechanical arm 32 to perform blanking, and in the blanking process, as shown in fig. 12 and 8, the material ejecting cylinder 36 applies force to the second guide seat 242, so that the space enclosed by the pair of limiting frames a231, the limiting frames B241 and the vertical plate 221 is enlarged, and at this time, the material 6 can be taken out from the positioning substrate 22 through the blanking mechanical arm 32.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A multistation transfer apparatus which characterized in that: the device comprises a guide module, a plurality of positioning carriers and a feeding and discharging module, wherein the guide module is enclosed into a closed shape, the positioning carriers slide along the guide module, and the feeding and discharging module is arranged above one side of the guide module; the guide module comprises a synchronous belt and a guide rail which are the same in shape; the positioning carriers comprise positioning substrates for placing materials, X-axis limiting mechanisms and Y-axis limiting mechanisms which stretch along the direction vertical to the outer contour of the materials; the feeding and discharging module comprises a feeding mechanical arm and a discharging mechanical arm.

2. A multi-station transfer apparatus according to claim 1, wherein: the guide module is enclosed into a rectangular structure with an apex angle in the shape of 1/4 circular arcs, the synchronous belt is arranged on the inner ring side of the guide rail and is in a single-sided tooth structure, and a fluted disc and a motor for driving the synchronous belt to transmit are arranged at the inner side end of the apex angle; a carrying disc is fixed at the lower end of the positioning carrier, and the carrying disc is fixedly connected with the synchronous belt and is in sliding fit with the guide rail; and the feeding mechanical arm and the discharging mechanical arm are both two-shaft mechanical arms, and the end parts of the two-shaft mechanical arms are provided with any one of a sucker or a mechanical clamping jaw.

3. A multi-station transfer apparatus according to claim 2, wherein: the upper end surface of the positioning substrate is provided with a vertical plate, the lower part of the positioning substrate is fixedly connected with a mounting bottom plate, the mounting bottom plate is fixedly connected with the carrying disc, and an accommodating cavity is formed between the mounting bottom plate and the positioning substrate; the X-axis limiting mechanism acts on the outer contours of the two sides of the material, which are vertical to the vertical plate, and comprises a pair of limiting frames A and a guide assembly A for driving the pair of limiting frames A to synchronously and symmetrically move; the Y-axis limiting mechanism acts on the outer contour of one side of the material parallel to the vertical plate and comprises a limiting frame B and a guide assembly B for driving the limiting frame B to move; the guide assembly A and the guide assembly B are arranged in the containing cavity and fixed on the mounting bottom plate, the movably arranged end portions extend outwards from the containing cavity and are fixedly connected with the limiting frame A and the limiting frame B respectively, and the limiting frame A and the limiting frame B are located above the positioning substrate.

4. A multi-station transfer apparatus according to claim 3, wherein: the guide assembly A comprises a group of symmetrically arranged first guide seats, a first slide rail arranged below the first guide seats and a connecting rod mechanism for driving the first guide seats to synchronously and symmetrically move along the first slide rail; the arrangement direction of the first slide rail is parallel to the end face of the vertical plate, a first limiting spring is arranged between a group of first guide seats along the movement direction, and the upper end part of the first guide seat on one side is fixedly connected with a limiting frame A; the guide assembly B comprises a second guide seat, a second slide rail arranged below the second guide seat and a buffer fixed at the upper end of the second guide seat and used for pushing the connecting rod mechanism to act; the second slide rail is arranged in a direction perpendicular to the end face of the vertical plate and is positioned between the pair of first guide seats; the buffer is kept away from to the second guide holder one side upper end and spacing frame B fixed connection, and the side has the spacing spring of second that sets up along the direction of motion, the spacing spring one end of second removes a tip fixed connection with the second, the other end and mounting plate fixed connection.

5. A multi-station transfer apparatus according to claim 4, wherein: the connecting rod mechanism comprises a main connecting rod and side connecting rods hinged with two ends of the main connecting rod, the width of an opening formed by the main connecting rod and the pair of side connecting rods in a surrounding mode is smaller than the length of the main connecting rod, and the opening direction faces one side of the buffer; the main connecting rod is connected with the lower end face of the positioning substrate in a sliding mode through a third sliding rail and is located in the same moving plane with the buffer; the third slide rail is perpendicular to the first slide rail, and the end part, far away from the main connecting rod, of one side of the side connecting rod is hinged to the first guide seat.

6. A multi-station transfer apparatus according to claim 4, wherein: a top support module for applying force to one side of the second guide seat, which is deviated to the buffer, is arranged on the side edge of the positioning carrier, which is correspondingly placed with the feeding and discharging module; the jacking module is selected from one of a jacking air cylinder or a gear rack mechanism; and the material ejecting cylinder/rack is arranged along the horizontal direction and is parallel to the second sliding rail, and the end part of the material ejecting cylinder/rack is opposite to the end part of the second guide seat.

7. A multi-station transfer apparatus according to claim 2, wherein: the guide module is characterized by further comprising a frame for fixing the guide rail, wherein each linear side of the frame is provided with a limiting module for limiting a plurality of positioning carriers simultaneously.

8. A multi-station transfer apparatus according to claim 7, wherein: the limiting module comprises a rotating shaft arranged on the side edge of the frame, a downward extending guide plate and an upward extending guide plate which are fixedly connected with the rotating shaft, and a limiting cylinder for driving the downward extending guide plate to rotate; the two end parts of the limiting cylinder along the central axis direction are connected in a hinged mode; the side wall of the carrying disc is provided with a limiting cavity for embedding the top of the upward extending guide plate.

9. A multi-station transfer apparatus according to claim 8, wherein: the guide module is provided with a plurality of stations, each positioning carrier moves in sequence along the distribution direction of the stations, the side edge of each station is provided with an upward extending guide plate matched and limited with the corresponding carrying disc, and a press-mounting module is arranged above each station.

10. A multi-station transfer apparatus according to claim 8, wherein: the press-fitting module comprises a press-fitting part and a two-axis manipulator for driving the press-fitting part to move.