CN213793894U

CN213793894U - Positioning device with lifting function

Info

Publication number: CN213793894U
Application number: CN202022439666.0U
Authority: CN
Inventors: 高栋; 唐浩; 韩乃朴
Original assignee: Jinan Sizheng Mechanical And Electrical Equipment Co ltd
Current assignee: Jinan Sizheng Mechanical And Electrical Equipment Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-27
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a positioning device with lifting function, the positioning base of the utility model comprises a positioning support, a part positioning rod and a lifting tray guide frame, a positioning structure is arranged on the positioning support, and the part positioning rod and the lifting tray guide frame are both fixedly connected with the positioning support; the lifting tray comprises a lifting support, a lifting assembly and a lifting rod, and the lifting assembly and the lifting rod are fixedly connected with the lifting support; the lifting component is movably arranged on the lifting tray guide frame up and down; the plectrum subassembly is installed on lifting tray, and the plectrum subassembly includes the upper and lower multilayer plectrum that is used for bearing parts. The utility model discloses the lift tray can go up and down on the location base, is fixed a position the part by the part locating lever, bears the part through the plectrum of plectrum subassembly for the position that bears the part can height-adjusting as required, thereby can overcome the position restriction of robot arm, does benefit to the robot and gets the blowing.

Description

Positioning device with lifting function

Technical Field

The utility model relates to a location utensil with raising and lowering functions, specifically speaking relate to one kind and use in the car manufacture factory punching press workshop, the location tray of unloading and transporting in the automation of dull and stereotyped material.

Background

At present, the automobile industry in China is developed at a high speed. The automation degree in workshops of various large automobile production companies is higher and higher, the production rhythm is faster and faster, and the automatic loading, unloading and transferring of corresponding parts are correspondingly faster and faster along with the improvement of the production rhythm. At present, in a stamping line of an automobile sheet metal part, flat plates are used as raw materials in a primary process, and the production rhythm of the whole process is directly influenced by the quantity and the positioning precision of the flat plates; adopt the location tray to bear and transport the sheet metal component in the press line of car sheet metal component, wherein, because in the production process, need fix a position the tray on last unloading fixed trolley to it will treat the stamping workpiece to take out from the location tray automatically to be convenient for the material loading robot, places the punching press in the press mould, therefore used sheet metal component need have accurate location on fixed trolley, with the last unloading of cooperation robot, in order to improve production efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: a positioning device having a lifting function is provided.

In order to solve the technical problem, the utility model comprises a positioning base, a lifting tray and a shifting piece component, wherein the positioning base comprises a positioning bracket, a part positioning rod and a lifting tray guide frame, the positioning bracket is provided with a positioning structure, and the part positioning rod and the lifting tray guide frame are both fixedly connected with the positioning bracket; the lifting tray comprises a lifting support, a lifting assembly and a lifting rod, and the lifting assembly and the lifting rod are fixedly connected with the lifting support; the lifting assembly is movably arranged on the lifting tray guide frame up and down, a space which is communicated up and down and used for the lifting rod to move up and down is arranged on the positioning base, and a space which is communicated up and down and used for the part positioning rod to pass through is arranged on the lifting support; the plectrum subassembly is installed on lifting tray, and the plectrum subassembly includes the upper and lower multilayer plectrum that is used for bearing parts.

For better for the direction of lift tray, lift tray leading truck and lifting unit respectively have two, lift tray leading truck and lifting unit one-to-one, two lifting unit are located between two lift tray leading trucks, lift tray leading truck include the mounting bracket and fix the board of bending on the mounting bracket, the mounting bracket is fixed on the locating support, lifting unit include installing support and two antifriction bearings of installing on the installing support, two antifriction bearings of lifting unit respectively with the both sides part of the board of bending of lift tray leading truck from top to bottom roll contact.

Preferably, the bending plate is a 90-degree bending plate, and the axial included angle of two rolling bearings of the lifting assembly is 90 degrees.

In order to facilitate stacking, four corners of the positioning support are respectively fixed with a supporting stand column, the positioning support is located at the lower parts of the four supporting stand columns, top covers are welded at the tops of the four supporting stand columns, and ankles are welded at the bottoms of the four supporting stand columns.

In order to facilitate the transportation of the forklift, the positioning bracket is provided with two forklift holes consisting of rectangular pipes.

In order to improve the positioning precision with the trolley, the positioning structure is a plurality of positioning holes.

In order to enable the plectrum component to better bear parts, the plectrum component comprises two brackets arranged on a lifting bracket, each bracket comprises an upright post and a plurality of plectrums which are vertically arranged and are vertically and rotatably arranged on the upright post, the end parts of the plectrum, which are positioned at two sides of the rotation center, are respectively a bearing end and a control end, the gravity center of the plectrum is positioned at one side of the rotation center, which is adjacent to the control end, the bearing ends of the plectrum of the two brackets are arranged in an opposite and one-to-one correspondence manner, a space for the falling of the parts is arranged between the upright posts of the two brackets, and the states of the plectrum are divided into a state to be borne, a bearing state and a contraction state; when the part is not loaded, the shifting sheet at the lowest layer is in a state to be loaded, and other shifting sheets are in a contraction state; the to-be-supported state finger shifting piece rotates to a state that the bearing end extends out of the upright post and can be contacted with a part falling between the two upright posts, the bearing state refers to a state of the shifting piece when the part stays on the bearing ends of the two shifting pieces on the same layer, and the contraction state finger shifting piece rotates to a state that the part is not prevented from falling between the two upright posts; except the highest layer of shifting piece, when one shifting piece rotates to a bearing state from a bearing state, the control end of the shifting piece pushes the previous layer of shifting piece to rotate to the bearing state.

In order to make the plectrum easily realize the state conversion, the stand include two plectrum support frames and a baffle support frame, the plectrum rotates and sets up on two plectrum support frames, be provided with a plurality of baffles of arranging from top to bottom on the baffle support frame, be provided with the spacing groove on the control end of plectrum, every plectrum correspondence has a baffle, when the plectrum rotates the control end and pushes up the baffle bottom surface that corresponds, the plectrum is in the state of bearing, when the baffle that last layer plectrum corresponds is being rotated to next layer plectrum, this baffle passes through in the spacing groove of last layer plectrum.

In order to improve the stability of the support structure, the support frame further comprises an upper connecting plate and a lower connecting plate, the upper ends of the two shifting piece support frames and the upper end of the baffle support frame are fixed on the upper connecting plate, the two shifting piece support frames and the baffle support frame are fixed on the lower connecting plate, and when the lowest shifting piece is in a state to be supported, the control end of the lowest shifting piece is propped against the lower connecting plate.

In order to improve the bearing capacity of parts, the plectrum assemblies correspond to the part positioning rods one by one, the plectrum assemblies comprise 2-6 groups, and the part positioning rods are positioned between two vertical columns of the corresponding plectrum assemblies.

The utility model has the advantages that: the utility model ensures the position precision of the positioning device on the trolley by positioning the positioning structure on the feeding and discharging trolley; the lifting rod on the lifting tray is controlled through the jacking cylinder of the trolley, so that the lifting tray can be controlled to lift on the positioning base, the part is positioned through the part positioning rod, the shifting piece of the shifting piece assembly bears the part, the height of the bearing part can be adjusted as required, the position limitation of a mechanical arm of the robot can be overcome, and the robot is facilitated to take and place materials.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the present invention with the pick assembly removed;

FIG. 3 is a structural view of the positioning base of the present invention;

FIG. 4 is a structural view of the lifting tray of the present invention;

FIG. 5 is an enlarged view of the matching structure of the lifting tray guide frame and the lifting assembly of the present invention;

FIG. 6 is a schematic view of the structure of the carrier of the paddle assembly when not in use at rest;

FIG. 7 is a schematic view of the structure of the bracket of the rear pick assembly with parts placed;

FIG. 8 is a schematic structural view of the present invention with the parts fully seated;

in the figure: 1. the lifting device comprises a positioning base, 101, a positioning support, 102, a part positioning rod, 103, a lifting tray guide frame, 104, a top cover, 105, an ankle, 106, a positioning hole, 107, a limiting plate, 108, a forklift hole, 2, a lifting tray, 201, a lifting support, 202, a lifting assembly, 2021, an installation support, 2022, a rolling bearing, 203, a lifting rod, 3, a shifting piece assembly, 301, an upright column, 302, a shifting piece, 303, a baffle, 304, a rotating shaft, 4 and parts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, this embodiment includes a positioning base 1, a lifting tray 2, and a paddle assembly 3. The positioning base 1 is formed by welding rectangular pipes and comprises a positioning support 101, a part positioning rod 102 and a lifting tray guide frame 103; the bottom of the positioning bracket 101 is provided with four positioning holes 106, and the positioning holes 106 are tightly matched with positioning pins on the loading and unloading trolley, so that the positioning precision of a positioning device on the trolley is ensured; four corners of the positioning support 101 are welded with four supporting columns, the top of each supporting column is welded with a top cover 104, the bottom of each supporting column is welded with an ankle 105, a matched butt joint structure is arranged between each ankle 105 and each top cover 104, for example, a groove for accommodating each top cover 104 is formed in the bottom surface of each ankle 105, and the ankles 105 of the two positioning devices are matched with the top covers 104, so that the stacking function of the positioning devices can be realized, and the storage space of a manufacturer is saved; the part positioning rod 102 is fixed on the positioning bracket 101 and arranged according to the inner hole of the part 4, so that the positioning precision of the part 4 on the positioning device is ensured; a limiting plate 107 is further arranged on the positioning support 101 and plays a role in supporting and limiting the lifting tray 2; two forklift holes 108 are formed in the positioning support 101 in a welded mode, the forklift holes 108 are formed by welding two rectangular pipes, and therefore the characteristic that a positioning appliance is transported by a forklift is guaranteed, two sets of lifting tray guide frames 103 are installed at the front position and the rear position of the positioning support 101, each lifting tray guide frame comprises a mounting frame and a bending plate fixed on the mounting frame, the mounting frame is fixed on the positioning support 101, up-and-down reciprocating motion of the lifting tray 2 is guaranteed, and the influence of too low position of the positioning appliance on automatic feeding and discharging of a robot is avoided.

The lifting tray 2 comprises a lifting support 201, lifting assemblies 202 and lifting rods 203, the lifting support 201 is formed by welding rectangular pipes, the structure is simple and reliable, the lifting tray guide frames correspond to the lifting assemblies one by one, the two lifting assemblies are located between the two lifting tray guide frames, the lifting assemblies 202 are installed on the lifting support 201, each lifting assembly 202 comprises an installation support 2021 and two rolling bearings 2022, the two rolling bearings 2022 are installed on the installation support 2021 in a 90-degree angle mode, two groups of lifting assemblies 202 are arranged in the front and back positions of the lifting tray 2 and matched with the lifting tray guide frame 103 on the positioning support 101, the two rolling bearings 2022 of each lifting assembly are respectively in up-and-down rolling contact with two side parts of a bending plate of the lifting tray guide frame, smooth up-and-down reciprocating motion of the lifting tray 2 is guaranteed, and inclination of the lifting tray 2 is avoided; the lifting rod 203 is installed on the lifting support 201, a space which is through up and down and used for the lifting rod 203 to move up and down is formed in the positioning base 1, a space which is through up and down and used for the part positioning rod 102 to pass is formed in the lifting support 201, the bottom of the lifting rod 203 is connected with a jacking cylinder on the loading and unloading trolley, and when the jacking cylinder is lifted up, the lifting tray 2 is driven to lift up along the lifting tray guide frame 103.

The specific embodiment is provided with four groups of plectrum assemblies 3, the four groups of plectrum assemblies 3 correspond to four part positioning rods 102 one by one, each plectrum assembly 3 comprises two supports arranged on a lifting support 201, the part positioning rods 102 are positioned between the two supports of the corresponding plectrum assembly 3, each support comprises an upright column 301 and a plurality of plectrums 302 which are arranged up and down and are all arranged on the upright column 301 in a vertical rotating manner, the end parts of the plectrum 302 positioned at the two sides of the rotating center are respectively a bearing end and a control end, the gravity center of the plectrum is positioned at one side of the rotating center adjacent to the control end, the bearing ends of the plectrum of the two supports are arranged in a facing and one-to-one correspondence manner, a space for the part to fall is arranged between the upright columns of the two supports, and the states of the plectrum are divided into a to-be-bearing state, a bearing state and a contraction state; when the part is not loaded, the shifting sheet at the lowest layer is in a state to be loaded, and other shifting sheets are in a contraction state; the to-be-supported state finger shifting piece rotates to a state that the bearing end extends out of the upright post and can be contacted with a part falling between the two upright posts, the bearing state refers to a state of the shifting piece when the part stays on the bearing ends of the two shifting pieces on the same layer, and the contraction state finger shifting piece rotates to a state that the part is not prevented from falling between the two upright posts; except the highest layer of shifting piece, when one shifting piece rotates to a bearing state from a bearing state, the control end of the shifting piece pushes the previous layer of shifting piece to rotate to the bearing state. Stand 301 includes two plectrum support frames and a baffle support frame, plectrum 302 rotates through pivot 304 and sets up on two plectrum support frames, be provided with a plurality of baffles 303 of arranging from top to bottom on the baffle support frame, be provided with the spacing groove on the control end of plectrum, every plectrum correspondence has a baffle, when the plectrum rotates the control end and pushes up the baffle bottom surface that corresponds, the plectrum is in the state of bearing, last layer plectrum is when the baffle that the one deck plectrum corresponds under the commentaries on classics, this baffle passes through in the spacing groove of last layer plectrum. The support frame still includes upper junction plate and lower junction plate, and the upper end of two plectrum support frames and a baffle support frame is all fixed on the upper junction plate, and two plectrum support frames and a baffle support frame are all fixed on the lower junction plate, and when the lower layer plectrum was in and waits to hold the state, the control end top of lower layer plectrum was on the lower junction plate.

Referring to fig. 1-6, when the utility model is used, firstly, the positioning device is placed on the loading and unloading trolley, and the positioning hole 106 on the positioning bracket 101 is matched with the positioning pin on the loading and unloading trolley, so that the position accuracy of the positioning device on the trolley is ensured; the lifting rod 203 at the bottom of the lifting tray 2 is jacked up by a jacking cylinder arranged on a loading and unloading trolley, the lifting tray 2 is guided by a lifting component 202 and a lifting tray guide frame 103 to rise to the maximum height, at the moment, the blanking robot takes out the punched part 4 in a press machine die, the part is positioned by a part positioning rod 102 arranged on a positioning support 101 and is placed in a plectrum component 3 corresponding to the part positioning rod 102, at the moment, the upper plectrum 302 contracts in a plectrum component support frame by virtue of the gravity effect, the smooth placement of the part 4 is ensured, the first plectrum 302 at the lower part extends out of the plectrum component support frame by virtue of the action of a baffle 303, when the blanking robot places the part 4, the part 4 touches the first plectrum 302 at the bottom, the first plectrum 302 at the lower part rotates around a rotating shaft 304, and after the plectrum 302 rotates to the position of the baffle 303, the first shifting piece 302 at the lower part completely supports the part 4, the outer edge of the corresponding second shifting piece 302 extends out of the shifting piece assembly support frame, when the second part 4 is placed on the blanking robot, the second shifting piece 302 supports the part 4, and at the moment, the outer edge of the third shifting piece 302 extends out of the support frame (as shown in fig. 7), so that the shifting pieces can support the part 4 when the blanking robot carries out the blanking, and the whole blanking robot carrying process (as shown in fig. 8) is completed.

Similarly, when material loading robot got the material from the location utensil, the superiors part 4 was taken out, placed on the mould in the pressure machine, and the plectrum 302 of location utensil relies on the gravity center effect this moment, and in outer edge shrink plectrum subassembly support frame to do benefit to taking out smoothly of second floor part, the same, the plectrum 302 of location utensil relies on the gravity center effect, in outer edge shrink plectrum subassembly support frame, in order to do benefit to taking out of lower floor part.

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

Claims

1. A positioning device with lifting function, characterized in that: the automatic part positioning device comprises a positioning base, a lifting tray and a shifting piece assembly, wherein the positioning base comprises a positioning support, a part positioning rod and a lifting tray guide frame, a positioning structure is arranged on the positioning support, and the part positioning rod and the lifting tray guide frame are fixedly connected with the positioning support; the lifting tray comprises a lifting support, a lifting assembly and a lifting rod, and the lifting assembly and the lifting rod are fixedly connected with the lifting support; the lifting assembly is movably arranged on the lifting tray guide frame up and down, a space which is communicated up and down and used for the lifting rod to move up and down is arranged on the positioning base, and a space which is communicated up and down and used for the part positioning rod to pass through is arranged on the lifting support; the plectrum subassembly is installed on lifting tray, and the plectrum subassembly includes the upper and lower multilayer plectrum that is used for bearing parts.

2. The positioning apparatus with elevating function according to claim 1, wherein: the lifting tray guide frame and the lifting assembly are respectively provided with two lifting tray guide frames and two lifting assembly one-to-one corresponding plates, the two lifting assemblies are located between the two lifting tray guide frames, each lifting tray guide frame comprises a mounting frame and a bending plate fixed on the mounting frame, the mounting frame is fixed on the positioning support, each lifting assembly comprises a mounting support and two rolling bearings installed on the mounting support, and the two rolling bearings of each lifting assembly are respectively in rolling contact with the two sides of the bending plate of the lifting tray guide frame.

3. The positioning apparatus with elevating function according to claim 2, wherein: the bending plate is a 90-degree bending plate, and the axis included angle of two rolling bearings of the lifting assembly is 90 degrees.

4. The positioning apparatus with elevating function according to claim 1, wherein: the four corners of the positioning support are respectively fixed with a supporting stand column, the positioning support is positioned at the lower parts of the four supporting stand columns, top covers are welded at the tops of the four supporting stand columns, and ankles are welded at the bottoms of the four supporting stand columns.

5. The positioning apparatus with elevating function according to claim 1, wherein: the positioning bracket is provided with two forklift holes consisting of rectangular pipes.

6. The positioning apparatus with elevating function according to claim 1, wherein: the positioning structure is a plurality of positioning holes.

7. The positioning apparatus with elevating function according to any one of claims 1 to 6, wherein: the plectrum assembly comprises two supports arranged on a lifting support, each support comprises an upright post and a plurality of plectrums which are vertically arranged and are vertically and rotatably arranged on the upright post, the end parts of the plectrum, which are positioned at the two sides of the rotation center, are respectively a bearing end and a control end, the gravity center of the plectrum is positioned at one side of the rotation center, which is adjacent to the control end, of the plectrum, the bearing ends of the plectrum of the two supports are oppositely arranged and are in one-to-one correspondence, a space for falling parts is arranged between the upright posts of the two supports, and the plectrum is divided into a to-be-bearing state, a bearing state and a contraction state; when the part is not loaded, the shifting sheet at the lowest layer is in a state to be loaded, and other shifting sheets are in a contraction state; the to-be-supported state finger shifting piece rotates to a state that the bearing end extends out of the upright post and can be contacted with a part falling between the two upright posts, the bearing state refers to a state of the shifting piece when the part stays on the bearing ends of the two shifting pieces on the same layer, and the contraction state finger shifting piece rotates to a state that the part is not prevented from falling between the two upright posts; except the highest layer of shifting piece, when one shifting piece rotates to a bearing state from a bearing state, the control end of the shifting piece pushes the previous layer of shifting piece to rotate to the bearing state.

8. The positioning apparatus with elevating function according to claim 7, wherein: the stand include two plectrum support frames and a baffle support frame, the plectrum rotates and sets up on two plectrum support frames, be provided with a plurality of baffles of arranging from top to bottom on the baffle support frame, be provided with the spacing groove on the control end of plectrum, every plectrum correspondence has a baffle, when the plectrum rotates the control end and pushes up the baffle bottom surface that corresponds, the plectrum is in and bears the weight of the state, last layer plectrum is when the baffle that the corresponding of lower floor plectrum was changeed, this baffle passes through from the spacing groove of last layer plectrum.

9. The positioning apparatus with elevating function according to claim 8, wherein: the support frame still include upper junction plate and lower connecting plate, the upper end of two plectrum support frames and a baffle support frame is all fixed on the upper junction plate, two plectrum support frames and a baffle support frame are all fixed on the lower connecting plate, when the plectrum of lower floor was in and waits to hold the state, the control end top of the plectrum of lower floor was on the lower connecting plate.

10. The positioning apparatus with elevating function according to claim 7, wherein: the plectrum subassembly and part locating lever one-to-one correspondence, the plectrum subassembly has 2-6 groups, and the part locating lever is located between the two upright posts of corresponding plectrum subassembly.