CN115402749A

CN115402749A - Positioning device

Info

Publication number: CN115402749A
Application number: CN202210929254.6A
Authority: CN
Inventors: 杨海涛; 刀青霞; 谢少平; 冯毅宏; 潘欣旭; 陈康
Original assignee: Gree Electric Appliances Inc of Zhuhai; Gree Hangzhou Electric Appliances Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Gree Hangzhou Electric Appliances Co Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-29

Abstract

The present application relates to a positioning device. The positioning device comprises a positioning cylinder, a connecting base frame, a transmission assembly and a positioning clamp, wherein the positioning cylinder, the transmission assembly and the positioning clamp are arranged on the connecting base frame; the connecting base frame plays a role in connecting, supporting and positioning the air cylinder, the transmission assembly and the positioning clamp, the positioning air cylinder acts on the transmission assembly, and the positioning clamp is connected with the transmission assembly; the positioning fixture comprises two groups of positioning fixtures which are arranged oppositely. The scheme that this application provided, the location cylinder acts on drive assembly, and drive assembly is connected with positioning fixture, and drive assembly is through the removal and the opening and shutting of two sets of positioning fixture of transmission control of power for the material between positioning fixture can fix a position, accomplishes the location, and positioning fixture loosens the material, and the automation equipment of being convenient for is got the material and is in order to carry out pile up neatly or process on next step.

Description

Positioning device

Technical Field

The application relates to the technical field of automation equipment, in particular to a positioning device.

Background

In the current manufacturing production process, there is each process operation completion back usually, and the material needs to carry out neat pile up neatly work, and traditional pile up neatly mode is for being put the manual line of unloading of material on with the assembly line by the staff, and the manual work is put to conveyer such as frock car, puts firm and space utilization maximize for realizing the material.

Along with the development of economy and science and technology, automation equipment's application is more and more extensive in industrial production, and the tradition is got material pile up neatly work labour through the manual work and is big, lead to the reason that the cost of labor is high, consequently, technical staff in the field expects urgently that automation equipment can replace the manual work to get material pile up neatly work, but automation equipment is owing to be program drive equipment, carry out the operation according to the program orbit that sets for in advance, need realize the standardized problem of incoming material location, to above problem, so need design and provide a positioner, this positioner can fix a position the material, so that automation equipment gets the material in order to carry out pile up neatly or process on next step.

Disclosure of Invention

For the problem that exists among the overcoming correlation technique, this application provides a positioner, and this positioner can fix a position the material to automatic equipment gets the material in order to carry out pile up neatly or process next step.

The first aspect of the application provides a positioning device, which comprises a positioning cylinder, a connecting base frame, a transmission assembly and a positioning clamp;

the positioning cylinder, the transmission assembly and the positioning clamp are arranged on the connecting base frame;

the positioning cylinder is used for controlling the transmission assembly, and the positioning clamp is connected with the transmission assembly;

the positioning fixture comprises two groups of positioning fixtures which are arranged oppositely.

In one embodiment, the positioning device further comprises a positioning table; the positioning fixture is positioned on the front surface of the positioning workbench;

the positioning cylinder, the transmission assembly and the connecting base frame are arranged on the back surface of the positioning workbench,

the connecting base frame comprises a connecting bottom plate and two fixed seats, and the two fixed seats are arranged at two ends of the connecting bottom plate; the connecting bottom plate is provided with a sliding strip hole;

the transmission assembly is arranged on the connecting bottom plate.

In one embodiment, the transmission assembly comprises a gear, two racks, two guide rods and two skid plates;

the two sliding plates are oppositely arranged, and guide holes and rack through holes are formed in the sliding plates;

the two guide rods are arranged on the sliding plate through the guide holes;

the two guide rods are distributed above the connecting substrate in parallel;

the two racks are distributed between the two guide rods in parallel, the distribution direction of the two racks is consistent with that of the guide rods, and the gear is arranged between the two racks;

one end of the rack is fixed to the rack through hole, and the other end of the rack is movably connected to the rack through hole; the positioning clamp is rigidly connected to the sliding plate.

In one embodiment, the positioning cylinder is arranged on the back surface of the connecting bottom plate, the transmission assembly is arranged on the front surface of the connecting bottom plate, and the positioning cylinder is connected with the sliding plate through the sliding strip hole;

a positioning clamp moving port is arranged on the positioning workbench; the positioning clamp can pass through the positioning clamp moving port; and can move in the horizontal direction.

In one embodiment, the positioning fixture includes two roller jaws.

In one embodiment, the transmission assembly further comprises a linear bearing, the linear bearing is arranged at the guide hole and is used for connecting the guide rod, and two ends of the guide rod are fixed on the fixed seat.

In an embodiment, still set up the positioning mechanism mounting groove on the positioning table, the structure of positioning mechanism mounting groove is the arc structure, positioning mechanism can pass through positioning mechanism mounting groove swing joint in positioning table is last, and can follow the horizontal direction and remove.

In one embodiment, the positioning device further comprises a turnover mechanism, the turnover mechanism comprises an L-shaped turnover plate and a turnover cylinder, the turnover cylinder is arranged on the back of the L-shaped turnover plate, and the L-shaped turnover plate is arranged beside the positioning fixture.

In one embodiment, the object placing surface of the L-shaped turnover plate faces the positioning station of the positioning workbench.

In one embodiment, the positioning device further comprises a material conveying line, the tail end of the material conveying line is arranged above the feeding end of the L-shaped turnover plate, and the material conveying line is used for feeding the L-shaped turnover plate.

The technical scheme provided by the application can comprise the following beneficial effects:

the positioning device comprises a positioning cylinder, a connecting base frame, a transmission assembly and a positioning clamp, wherein the positioning cylinder, the transmission assembly and the positioning clamp are arranged on the connecting base frame; the connecting base frame plays a role in connecting, supporting and positioning the air cylinder, the transmission assembly and the positioning clamp, the positioning air cylinder acts on the transmission assembly, and the positioning clamp is connected with the transmission assembly; the positioning fixture comprises two sets of positioning fixtures, the two sets of positioning fixtures are arranged oppositely, the transmission assembly has the function of force transmission, the position and the distance between the two positioning fixtures are controlled simultaneously through the transmission of the force, and the distance between the two positioning fixtures is adjusted and controlled, so that the positioning of materials between the two fixtures is realized.

The automatic material taking device has the advantages that when materials are placed on the positioning station, the positioning air cylinder acts on the transmission assembly, the transmission assembly is connected with the positioning clamp, the transmission assembly controls the movement and the opening and closing of the positioning clamp through force transmission, namely, the positions and the distances of the two positioning clamps are controlled, so that the materials between the positioning clamps can be positioned, the positioning is completed, the positioning clamp loosens the materials, and the automatic material taking device convenient to use takes the materials to perform stacking or a next step process.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

FIG. 1 is a schematic structural diagram of a positioning device according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a positioning device (including a positioning table and a turnover mechanism) shown in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a positioning device (including a material transportation line) according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram illustrating a first state of a positioning device according to an embodiment of the present disclosure;

FIG. 5 is a structural diagram of a second positioning device according to an embodiment of the present disclosure;

FIG. 6 is a structural diagram of a third position determination device according to an embodiment of the present application;

FIG. 7 is a schematic bottom view of a positioning device according to an embodiment of the present disclosure;

fig. 8 is a schematic view of a state that the positioning device clamps different materials according to the embodiment of the application.

Reference numerals

1. Positioning the air cylinder; 2. connecting a base frame; 21. connecting the bottom plate; 212. a runner hole; 22. a fixed seat; 3. a transmission assembly; 31. a gear; 32. a rack; 33. a guide bar; 34. a slide plate; 341. a guide hole; 342. punching a rack; 35. a linear bearing; 4. positioning a clamp; 5. positioning a workbench; 51. positioning a fixture moving port; 52. a positioning mechanism mounting groove; 53. a limiting plate; 6. a turnover mechanism; 61. an L-shaped turnover plate; 62. turning over the air cylinder; 63. mounting a bracket; 7. a material conveying line.

Detailed Description

Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Example one

Along with the development of economy and science and technology, automation equipment's application is more and more extensive in industrial production, and the tradition is got material pile up neatly work labour through the manual work and is big, lead to the cost of labor high, consequently, technical staff in the field expects urgently that automation equipment can replace the manual work to get material pile up neatly work, but automation equipment is owing to be program drive equipment, carry out the operation according to the program orbit that sets for in advance, need realize the standardized problem of incoming material location, to above problem, so need design and provide a positioner, this positioner can fix a position the material, so that automation equipment gets the material and has carried out pile up neatly or process on next step.

To above-mentioned problem, this application embodiment provides a positioner, can fix a position by the material to get the material and carried out pile up neatly or process next step in automation equipment.

The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

fig. 2 is a schematic structural diagram of a positioning apparatus (including a positioning table and a turnover mechanism) shown in an embodiment of the present application.

See fig. 1 and 2.

The positioner of this application embodiment includes positioning table 5, and positioning table 5 this application embodiment does not restrict, can be positioning table 5 that the positioning table constitutes, and positioning table 5 includes positioning table 5.

The positioning device of the embodiment of the application further comprises a positioning cylinder 1, a connecting base frame 2, a transmission assembly 3 and a positioning clamp 4, wherein the positioning cylinder 1, the transmission assembly 3 and the positioning clamp 4 are arranged on the connecting base frame 2; connect bed frame 2 and play joint support location cylinder 1, the effect of drive assembly 3 and positioning fixture 4 to in location cylinder 1, the interact between drive assembly 3 and the positioning fixture 4, location cylinder 1 acts on drive assembly 3, therefore, location cylinder 1 is connected with drive assembly 3, positioning fixture 4 is connected with drive assembly 3, drive assembly 3 has the effect of drive power, the removal and the opening and shutting of two positioning fixture 4 of transmission control through power.

The positioning jig 4 is located on the front surface of the positioning table 5. Positioning table 5 includes positioner's location station, and positioning fixture 4 sets up on positioning table 5's front, and positioning fixture 4 includes two sets of positioning fixture 4, and two sets of positioning fixture 4 set up relatively, and further, positioning fixture 4 sets up on the location station for fix a position the material of placing on positioning table 5.

The beneficial effects of the embodiment of the application are as follows: this positioner places on the positioning table of positioning table when the material, and the location cylinder acts on drive assembly, and drive assembly is connected with positioning fixture, and drive assembly control positioning fixture's removal with open and shut for positioning fixture fixes a position the material, accomplishes the location, and positioning fixture loosens the material, and the automation equipment of being convenient for is got the material and is in order to carry out pile up neatly or process on next step.

Example two

The transmission assembly is not designed in the above embodiment, and the transmission assembly and the positioning jig are introduced in the embodiment of the present application.

Fig. 1 is a schematic structural diagram of a positioning device according to an embodiment of the present application.

See fig. 1.

The positioning device comprises a positioning workbench 5, a positioning cylinder 1, a connecting base frame 2, a transmission assembly 3 and a positioning clamp 4, wherein the positioning cylinder 1, the transmission assembly 3 and the positioning clamp 4 are arranged on the connecting base frame 2; the positioning cylinder 1 is used for controlling the transmission assembly 3, and the positioning fixture 4 is connected with the transmission assembly 3; the positioning jig 4 is located on the front surface of the positioning table 5.

The positioning clamps 4 comprise two groups of positioning clamps 4, and the two groups of positioning clamps 4 are arranged oppositely; furthermore, this application embodiment adopts the diagonal setting, and two positioning fixture 4 that diagonal row line set up can fix a position the material from two diagonals, and it is more convenient and accurate in the operation, and the in-process production skew at the location can be avoided in the setting of two positioning fixture 4 diagonals, can't make the material of undetermined return the condition that original position was adjusted.

The positioning cylinder 1, the transmission assembly 3 and the connecting base frame 2 are arranged on the back of the positioning workbench 5.

The connecting pedestal 2 comprises a connecting bottom plate 21 and two fixed seats 22, and the two fixed seats 22 are arranged at two ends of the connecting bottom plate 21; two fixing bases 22 play a role in fixing the transmission assembly 3, for example, the connecting bottom plate 21 is a rectangular structure, the two fixing bases 22 are disposed at the short side of the rectangular connecting bottom plate 21, and the connecting bottom plate 21 is provided with a sliding strip hole 212. The sliding strip hole 212 is strip-shaped, is arranged in the middle of the rectangular connecting bottom plate 21, and is parallel to or forms an included angle with the long side of the rectangular connecting bottom plate 21. The transmission assembly 3 is arranged on the connecting bottom plate 21.

The transmission assembly 3 comprises a gear 31, two racks 32, two guide rods 33 and two sliding plates 34; the two sliding plates 34 are oppositely arranged, and the sliding plates 34 are provided with guide holes 341 and rack through holes 342; the two guide rods 33 are arranged on the sliding plate 34 through the guide holes 341; the two guide rods 33 are distributed in parallel above the connecting bottom plate 21.

The two racks 32 are distributed between the two guide rods 33 in parallel, the distribution direction is consistent with that of the guide rods 33, and the gear 31 is arranged between the two racks 32; one end of each rack 32 is fixed to the rack through hole 342, and the other end of each rack 32 is movably connected to the rack through hole 342, the movable connection of the embodiment of the present application is capable of movably passing through the rack through hole 342, and further, the fixed ends of the two racks 32 and the sliding plates 34 are arranged on different sliding plates 34, that is, the same sliding plate 34 is fixedly connected to one rack 32 and movably connected to the other rack 32. The positioning jig 4 is rigidly attached to the runner plate 34.

Furthermore, the positioning cylinder 1 is arranged on the back surface of the connecting bottom plate 21, the transmission assembly 3 is arranged on the front surface of the connecting bottom surface, and the positioning cylinder 1 is connected with the sliding plate 34 through the sliding strip hole 212; the positioning cylinder 1 is connected with the sliding plate 34, and the sliding strip hole 212 plays a role in providing a moving space for driving the sliding plate 34 to slide under the condition that the positioning cylinder 1 contracts and recovers.

The positioning table 5 is provided with a positioning jig moving port 51, and the positioning jig 4 can pass through the positioning jig moving port 51 and move in the horizontal direction.

The positioning jig 4 comprises two roller jaws. The transmission assembly 3 further comprises a linear bearing 35, the linear bearing 35 is arranged at the position of the guide hole 341, the linear bearing 35 is used for connecting the guide rod 33, and two ends of the guide rod 33 are fixed on the fixed seat 22.

The positioning workbench 5 is further provided with a positioning mechanism mounting groove 52, the positioning mechanism mounting groove 52 is of an arc structure, and the positioning mechanism can be movably connected to the positioning workbench 5 through the positioning mechanism mounting groove 52 and can move in the horizontal direction. The arc-shaped positioning mechanism mounting groove 52 can meet the positioning requirements of materials with different shapes and sizes. For example, as shown in fig. 8, when the width of the material is small, the positioning mechanism is fixed in the middle of the positioning mechanism mounting groove 52, so that the material can be positioned and clamped, and when the width of the material is wide, the positioning mechanism is fixed in the groove edge end of the positioning mechanism mounting groove 52, so that the positioning and clamping of the wide material can be satisfied.

Illustratively, when a material is placed at a positioning station of the positioning table 5 and needs to be positioned, the positioning cylinder 1 is contracted, the positioning cylinder 1 is connected with the sliding plate 34, the connecting bottom plate 21 is provided with a sliding strip hole 212, the positioning cylinder 1 is contracted, the sliding plate 34 is driven to slide through the sliding strip hole 212, the sliding plate 34 drives the rack 32 connected with the sliding plate 34 to slide after moving, the rack 32 drives the gear 31 to rotate after sliding, further, the gear 31 drives the other rack 32 to slide, further, the rack 32 drives the sliding plate 34 fixedly connected with the rack to slide, and the positioning clamp 4 rigidly connected with the sliding plate 34 slides together with the sliding plate 34, so that the movement and the opening and closing of the positioning clamp 4 are realized (i.e. the positions and the distances of the two positioning clamps 4 are controlled), the material between the positioning clamps 4 can be positioned, the positioning is completed, the embodiment of the application controls the movement of the sliding plate 34 through the cylinder, and the sliding plate 34 drives the other gear 34 through the action between the racks 32 and the gear 31, so that the two positioning clamps which are arranged oppositely and the positioning clamps can position the material synchronously.

Further, the positioning mechanism mounting groove 52 with the arc-shaped structure can meet the positioning requirements of materials with different shapes and sizes. For example, as shown in fig. 8, when the width of the material is small, the positioning mechanism is fixed in the middle of the positioning mechanism mounting groove 52, so that the material can be positioned and clamped, when the width of the material is wide, the positioning mechanism is fixed at the groove edge end of the positioning mechanism mounting groove 52, so that the positioning and clamping of the wide material can be satisfied, and the positioning table 5 is provided with a positioning clamp moving opening 51, so that the positioning clamp 4 can pass through the positioning clamp moving opening 51 and can move in the horizontal direction.

The beneficial effects of the embodiment of the application are as follows: the embodiment of the application controls the sliding plate to move through the air cylinder, and the sliding plate drives the other sliding plate through the action between the rack and the gear, so that the two oppositely-arranged positioning clamps synchronously position and clamp materials, and the positioning of the materials is realized.

The positioning mechanism mounting groove of the arc-shaped structure can meet the positioning requirements of materials with different shapes and sizes. When the material width is less, positioning mechanism is fixed in the positioning mechanism mounting groove, then can fix a position the material and press from both sides tightly, and when the material width broad, positioning mechanism is fixed in the groove limit end of positioning mechanism mounting groove, can satisfy the location of broad material like this and press from both sides tightly.

The positioning worktable is provided with a positioning fixture moving port, and the positioning fixture can penetrate through the positioning fixture moving port and can move in the horizontal direction, so that the positioning requirements of materials with different sizes are met.

EXAMPLE III

Above-mentioned embodiment one and embodiment two have all introduced positioner's locate function, nevertheless carry out pile up neatly or other processes to the material at automation equipment, sometimes the material fails to put according to the requirement (the requirement of positive and negative) and, only fix a position the assigned position, consequently still caused unnecessary trouble and difficulty to pile up neatly work, influence going on of pile up neatly work, consequently, this problem will be overcome to the positioner of this application embodiment, a section tilting mechanism is provided, when detecting that the material positive and negative is not correctly put, can overturn the material, so that the positive and negative is put the accuracy, improve the accuracy and the convenience of process on next step.

FIG. 5 is a schematic structural diagram of a second positioning device according to an embodiment of the present disclosure;

See fig. 3, 4, 5, 6, 7 and 8.

The positioning device of the embodiment of the present application includes the structural features of the first embodiment or the second embodiment, and in addition, the embodiment of the present application further includes a turnover mechanism 6,

the turnover mechanism 6 comprises an L-shaped turnover plate 61 and a turnover cylinder 62, the turnover cylinder 62 is arranged on the back of the L-shaped turnover plate 61, and the L-shaped turnover plate 61 is arranged beside the positioning fixture 4. The L-shaped turnover plate 61 is arranged beside the positioning fixture 4, so that the turnover mechanism 6 does not influence the operation of the positioning fixture 4. The object placing surface of the L-shaped turnover plate 61 faces the positioning station of the positioning workbench 5. The positioning workbench 5 of the embodiment of the application is provided with the mounting bracket 63 of the L-shaped turnover plate 61, and the L-shaped turnover plate 61 is hinged with the mounting bracket 63, that is, the L-shaped turnover plate 61 can be turned over and restored by taking the mounting bracket 63 as a fulcrum under the action of the turnover cylinder 62.

The positioning device further comprises a material conveying line 7, the tail end of the material conveying line 7 is arranged above the feeding end of the L-shaped turnover plate 61, and the material conveying line 7 is used for feeding the L-shaped turnover plate 61.

Further, still be equipped with limiting plate 53 on positioning table 5, limiting plate 53 sets up in the opposite face of L type returning face plate 61, plays the material of restriction material from material transportation line 7 or L type returning face plate 61 cunning down and excessively slides forward, and further, L type returning face plate 61 and limiting plate 53 all set up in the location station region, and with positioning fixture 4 dislocation set, avoid influencing positioning fixture 4's location work.

Exemplarily, can set up the sensor according to actual conditions on the material transportation line 7, the sensor is used for detecting the material positive and negative condition of placing, and then judge whether need overturn the material, when need not overturn the material, upset cylinder 62 control L type returning face plate 61 is in the state of perpendicular to positioning table 5, make material transportation line 7 go up the material directly fall into positioning table 5 on, when needs overturn the material, L type returning face plate 61 is in the tilt state, accept the material that comes the material end top from L type returning face plate 61, the material landing is behind L type returning face plate 61, upset cylinder 62 moves, make L type returning face plate 61 overturn, make the material fall into positioning table 5 after the upset on, accomplish the upset of material, carry out the location process of next step next time.

As shown in fig. 4, the turnover cylinder 62 can turn the L-shaped turnover plate 61 to 90 degrees, and the materials turned over by 90 degrees fall onto the positioning station.

The material shown in fig. 5 falls into the positioning station, and is positioned by the positioning fixture 4.

Fig. 6 shows that the positioned material is taken away to perform a next process.

The beneficial effects of the embodiment of the application are as follows: this positioner is through setting up L type returning face plate and upset cylinder and material transportation line, can realize the automatic transportation and the material loading of material, and when needs overturn the material, L type returning face plate is in the tilt state, accept the material that comes L type returning face plate to expect the end top, the material landing is to L type returning face plate back, the upset cylinder moves, make L type returning face plate overturn, make the material upset fall into on the positioning table, accomplish the upset of material, so that the positive and negative is put the accuracy, the accuracy and the convenience of process on next step are improved.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A positioning device, characterized by: comprises a positioning cylinder (1), a connecting base frame (2), a transmission assembly (3) and a positioning clamp (4);

the positioning cylinder (1), the transmission assembly (3) and the positioning clamp (4) are arranged on the connecting base frame (2);

the positioning cylinder (1) is used for controlling the transmission assembly (3), and the positioning clamp (4) is connected with the transmission assembly (3);

the positioning fixture (4) comprises two groups of positioning fixtures (4), and the two groups of positioning fixtures (4) are arranged oppositely.

2. The positioning device of claim 1, wherein:

the positioning device also comprises a positioning workbench (5); the positioning fixture (4) is positioned on the front surface of the positioning workbench (5);

the positioning cylinder (1), the transmission assembly (3) and the connecting base frame (2) are arranged on the back surface of the positioning workbench (5);

the connecting pedestal (2) comprises a connecting bottom plate (21) and two fixing seats (22), wherein the two fixing seats (22) are arranged at two ends of the connecting bottom plate (21); a sliding strip hole (212) is formed in the connecting bottom plate (21);

the transmission assembly (3) is arranged on the connecting bottom plate (21).

3. The positioning device of claim 2, wherein:

the transmission assembly (3) comprises a gear (31), two racks (32), two guide rods (33) and two sliding plates (34);

the two sliding plates (34) are oppositely arranged, and guide holes (341) and rack through holes (342) are formed in the sliding plates (34);

the two guide rods (33) are arranged on the sliding plate (34) through the guide holes (341);

the two guide rods (33) are distributed above the connecting bottom plate (21) in parallel;

the two racks (32) are distributed between the two guide rods (33) in parallel, the distribution direction of the two racks is consistent with that of the guide rods (33), and the gear (31) is arranged between the two racks (32);

one end of the rack (32) is fixed on the rack perforation hole (342), and the other end is movably connected with the rack perforation hole (342);

the positioning clamp (4) is rigidly connected to the sliding plate (34), and the positioning clamp (4) is arranged diagonally.

4. The positioning device of claim 3, wherein:

the positioning cylinder (1) is arranged on the back surface of the connecting bottom plate (21), the transmission assembly (3) is arranged on the front surface of the connecting bottom plate (21), and the positioning cylinder (1) is connected with the sliding plate (34) through the sliding strip hole (212);

a positioning clamp moving port (51) is arranged on the positioning workbench (5); the positioning jig (4) can pass through the positioning jig moving port (51) and can move in the horizontal direction.

5. The positioning device of claim 1, wherein:

the positioning clamp (4) comprises two roller clamping jaws.

6. The positioning device of claim 3, wherein:

the transmission assembly (3) further comprises a linear bearing (35), the linear bearing (35) is arranged at the position of the guide hole (341), the linear bearing (35) is used for being connected with the guide rod (33), and two ends of the guide rod (33) are fixed on the fixed seat (22).

7. The positioning device of claim 1, wherein:

still set up positioning mechanism mounting groove (52) on positioning table (5), the structure of positioning mechanism mounting groove (52) is the arc structure, positioning mechanism can pass through positioning mechanism mounting groove (52) swing joint in positioning table (5) is last, and can follow the horizontal direction and remove.

8. The positioning device of claim 1, wherein:

the positioning device further comprises a turnover mechanism (6), wherein the turnover mechanism (6) comprises an L-shaped turnover plate (61) and a turnover cylinder (62), the turnover cylinder (62) is arranged on the back of the L-shaped turnover plate (61), and the L-shaped turnover plate (61) is arranged on the side of the positioning fixture (4).

9. The positioning device of claim 1, wherein:

the object placing surface of the L-shaped turnover plate (61) faces the positioning station of the positioning workbench (5).

10. The positioning device of claim 8, wherein:

the positioning device further comprises a material conveying line (7), the tail end of the material conveying line (7) is arranged above the feeding end of the L-shaped turnover plate (61), and the material conveying line (7) is used for feeding the L-shaped turnover plate (61).