Positioning device and assembling jig

Abstract

The utility model relates to the technical field of automatic machining, and provides a positioning device and an assembling jig, the positioning device comprises a base, a carrier assembly and a limiting piece, the carrier assembly is connected with the base, and the carrier assembly comprises a carrier and a suction cup. The assembling jig comprises a fixing module, a heating module and a positioning device. The heating module is connected with the fixing module, and the heating module is used for heating the assembly surface, matched with the first workpiece, of the second workpiece; the positioning device further comprises a first driving part connected with the base, the first driving part is used for driving the base to drive the first workpiece carried on the carrier to move to the second workpiece so that the first workpiece can be fixed to the second workpiece, and the positioning device and the assembling jig improve the assembling precision of the two workpieces.

Description

Technical Field

[0001] The present application relates to the field of automated processing technology, and in particular to a positioning device and an assembly fixture. Background Art

[0002] At present, before assembling multiple workpieces (for example, an iron sheet and a metal shell), it is necessary to dispense glue on the surface of one of the workpieces (for example, the iron sheet) and then stick the two workpieces together. However, as the size of the iron sheet continues to shrink and the material becomes thinner, it is very easy for the workpieces to be misaligned. For example, after dispensing glue on the surface of the iron sheet, during the process of assembling the iron sheet and the metal shell, the iron sheet or the metal shell is prone to positional deviation, resulting in reduced assembly accuracy of the workpiece. Utility Model Content

[0003] In view of this, it is necessary to provide a positioning device and an assembly fixture that can solve the problem of low assembly accuracy of the workpiece due to position deviation that easily occurs during the workpiece assembly process.

[0004] An embodiment of the present application provides a positioning device, which includes: a base, on which a first positioning pin is provided; a carrier assembly, which includes a carrier and a suction cup, and the carrier is provided with a positioning hole matching the first positioning pin, the first positioning pin is passed through the positioning hole to fix the carrier, and the carrier is also provided with a vacuum hole, a first vacuum channel, a vacuum cavity and a plurality of second vacuum channels, the vacuum hole is connected to the first vacuum channel, the first vacuum channel is connected to the vacuum cavity, the plurality of second vacuum channels are connected to the vacuum cavity, the plurality of second vacuum channels are used to output vacuum suction to adsorb a first workpiece carried on the carrier, the suction cup is sealed and connected to the vacuum hole, and is configured to be connected to an external air source for adsorbing the carrier; a limiting member, which includes a first limiting member and a second limiting member, the first limiting member and the second limiting member are respectively installed on both sides of the carrier assembly for positioning the carrier assembly.

[0005] The technical effects of the embodiments of the present application include: by arranging a vacuum hole, a first vacuum channel, a vacuum chamber and a plurality of second vacuum channels on a carrier, the plurality of second vacuum channels are used to output vacuum suction to adsorb a first workpiece carried on the carrier, thereby preventing the first workpiece from moving on the carrier; at the same time, the first limit assembly and the second limit assembly are used to position the carrier assembly, thereby achieving positioning of the carrier in the carrier assembly, ensuring the positioning accuracy of the first workpiece carried on the carrier, and thereby improving the assembly accuracy of the first workpiece.

[0006] In some embodiments of the present application, the positioning device further includes a magnet assembly, a receiving cavity is provided on the base, and the magnet assembly is received in the receiving cavity for adsorbing the carrier.

[0007] In some embodiments of the present application, the positioning device further includes a slider assembly, wherein the slider assembly is connected to the base, and the slider assembly is used to control the base to carry the carrier to move.

[0008] In some embodiments of the present application, the carrier assembly also includes a spring and a second positioning pin, the carrier is provided with a stepped hole, the spring is sleeved on the second positioning pin, the second positioning pin is accommodated in the stepped hole, and the second positioning pin cooperates with the spring to position the first workpiece.

[0009] A second aspect of an embodiment of the present application provides an assembly jig, which includes the positioning device described above, and is used to assemble the first workpiece and the second workpiece. The assembly jig also includes: a fixed module, which is used to position the second workpiece; a heating module, which is connected to the fixed module, and is used to heat the assembly surface of the second workpiece and the first workpiece that matches the first workpiece; the positioning device also includes a first driving member, which is connected to the base, and the first driving member is used to drive the base to drive the first workpiece carried on the carrier to move to the second workpiece, so that the first workpiece is fixed on the second workpiece.

[0010] In some embodiments of the present application, the fixed module includes a fixed plate, a first pressing assembly and a second pressing assembly, the first pressing assembly and the second pressing assembly are installed on the fixed plate, the second workpiece is clamped on the fixed plate, and the first pressing assembly and the second pressing assembly are both used to press the second workpiece.

[0011] In some embodiments of the present application, the first pressing assembly includes a first rotating driving member and a first pressing block, the first rotating driving member is connected to the first pressing block and is used to drive the first pressing block to rotate, and the first pressing block presses the second workpiece when rotating; the second pressing assembly includes a second rotating driving member, a connecting rod mechanism and a second pressing block, the second rotating driving member is connected to the first end of the connecting rod mechanism, the second end of the connecting rod mechanism is connected to the second pressing block, the second rotating driving member is used to drive the connecting rod mechanism to drive the second pressing block to rotate, and the second pressing block presses the second workpiece when rotating.

[0012] In some embodiments of the present application, the fixed module further includes a moving component, the moving component is installed at one end of the fixed plate away from the second workpiece, and the moving component is used to control the movement of the fixed plate carrying the second workpiece.

[0013] In some embodiments of the present application, the fixed module also includes a positioning mechanism, which includes a base plate, a second driving member and two clamping assemblies, the end surface of the base plate is connected to the first driving member, the two clamping assemblies are installed on the back side of the end surface of the base plate and are respectively connected to the second driving member, and the second driving member is used to drive the two clamping assemblies away from or close to each other.

[0014] In some embodiments of the present application, each clamping assembly includes a slider and a clamping member, the slider is connected to the base plate, and the clamping member is located above the slider.

[0015] The technical effects of the embodiments of the present application include: positioning the second workpiece by a fixed module, ensuring the position accuracy of the second workpiece, and improving the assembly accuracy of the first workpiece and the second workpiece. At the same time, a heating module is used to heat the assembly surface of the second workpiece and the first workpiece, accelerating the curing speed of the glue on the first workpiece, so that the glue is completely cured, improving the strength of the glue, and further improving the assembly accuracy of the first workpiece and the second workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a positioning device in an embodiment is shown.

[0017] Figure 2 A first cross-sectional view of a local structure of a positioning device in an embodiment is shown.

[0018] Figure 3 An exploded schematic diagram of a positioning device in an embodiment is shown.

[0019] Figure 4 An exploded view of a local structure of a positioning device in an embodiment is shown.

[0020] Figure 5 A second cross-sectional view illustrating a partial structure of a positioning device in an embodiment.

[0021] Figure 6 A schematic diagram of the structure of a device fixture in an embodiment is shown.

[0022] Figure 7 A partial structural diagram of a device fixture in an embodiment is shown.

[0023] Figure 8 A schematic diagram of the structure of a positioning mechanism in an embodiment is shown.

[0024] Main component symbols

[0025] Positioning device 100

[0026] Base 11

[0027] First positioning pin 110

[0028] Accommodating chamber 111

[0029] Vehicle component 12

[0030] Vehicle 120

[0031] Positioning hole 1201

[0032] Vacuum hole 1202

[0033] First vacuum channel 1203

[0034] Vacuum chamber 1204

[0035] Second vacuum channel 1205

[0036] Step hole 1206

[0037] Suction cup 121

[0038] Spring 122

[0039] Second positioning pin 123

[0040] Limiting piece 13

[0041] The first limiting component 130

[0042] The second limiting component 131

[0043] Magnet assembly 14

[0044] Slider assembly 15

[0045] The first driving member 16

[0046] Assembly jig 200

[0047] Fixed module 21

[0048] Fixed plate 210

[0049] The first pressing component 211

[0050] First rotary drive member 2110

[0051] The first pressing block 2111

[0052] The second pressing component 212

[0053] The second rotary drive member 2120

[0054] Linkage 2121

[0055] The second pressing block 2122

[0056] Positioning mechanism 213

[0057] Base plate 2130

[0058] The second driving member 2131

[0059] Clamping assembly 2132

[0060] Slider 21320

[0061] Clamp 21321

[0062] Mobile Components 214

[0063] Heating module 22

[0064] Electrical control module 23

[0065] The following specific embodiments will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0066] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0067] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time.

[0068] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0069] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0070] See also Figures 1 to 3The embodiment of the present application provides a positioning device 100, which includes a base 11, a carrier assembly 12 and a stopper 13. A first positioning pin 110 is provided on the base 11. The carrier assembly 12 is connected to the base 11.

[0071] In one embodiment, the carrier assembly 12 includes a carrier 120 and a suction cup 121. The carrier 120 is provided with a positioning hole 1201 matching the first positioning pin 110. The first positioning pin 110 is inserted into the positioning hole 1201 to fix the carrier. The positioning hole 1201 cooperates with the first positioning pin 110 to ensure the position accuracy of the carrier 120. The carrier 120 carries a first workpiece.

[0072] In one embodiment, see Figure 4 and Figure 5 , the carrier 120 is also provided with a vacuum hole 1202, a first vacuum channel 1203, a vacuum chamber 1204 and a plurality of second vacuum channels 1205. The vacuum hole 1202 is connected to the first vacuum channel 1203. The first vacuum channel 1203 is connected to the vacuum chamber 1204. The plurality of second vacuum channels 1205 are connected to the vacuum chamber 1204. The plurality of second vacuum channels 1205 are used to output vacuum suction to adsorb the first workpiece carried on the carrier 120. The suction cup 121 is sealed and connected to the vacuum hole 1202, and is configured to be connected to an external air source for adsorbing the carrier 120. The carrier 120 is adsorbed by the suction cup 121 to prevent the carrier 120 from moving, thereby ensuring the position accuracy of the first workpiece carried on the carrier 120.

[0073] In one embodiment, the carrier 120 and the suction cup 121 in the positioning device 100 are sealed and connected to each other, so that the two components in the same vacuum channel are interconnected, thereby improving the transmission efficiency of the vacuum pressure.

[0074] In one embodiment, a plurality of vacuum channels are arranged in an array so that the adsorption force acts evenly on the first workpiece, so that the first workpiece is adsorbed better and the position accuracy of the first workpiece is ensured.

[0075] In one embodiment, the stopper 13 includes a first stopper assembly 130 and a second stopper assembly 131. The first stopper assembly 130 and the second stopper assembly 131 are respectively installed on both sides of the carrier assembly 12. The first stopper assembly 130 is used to adjust the initial position of the carrier 120 to ensure the position accuracy of the initial position of the carrier 120. The second stopper assembly 131 is used to provide a damping force to buffer the movement of the carrier 120 along the X direction, thereby realizing the positioning of the carrier 120.

[0076] In one embodiment, a vacuum hole 1202, a first vacuum channel 1203, a vacuum chamber 1204 and a plurality of second vacuum channels 1205 are provided on the carrier 120, and the plurality of second vacuum channels 1205 are used to output vacuum suction to adsorb the first workpiece carried on the carrier 120, thereby preventing the first workpiece from moving on the carrier 120. At the same time, the first limiting assembly 130 and the second limiting assembly 131 are used to position the carrier assembly 12, thereby achieving the positioning of the carrier 120 in the carrier assembly 12, thereby ensuring the positioning accuracy of the first workpiece carried on the carrier 120, and thereby improving the assembly accuracy of the first workpiece.

[0077] In one embodiment, the positioning device 100 further includes a magnet assembly 14. The base 11 is provided with a receiving cavity 111, and the magnet assembly 14 is received in the receiving cavity 111. The magnet assembly 14 is used to absorb the carrier 120 to prevent the carrier 120 from moving, thereby ensuring the position accuracy of the carrier 120.

[0078] In one embodiment, the positioning device 100 further includes a slider assembly 15. The slider assembly 15 is connected to the base 11. The slider assembly 15 is used to control the base 11 to carry the carrier 120 to move, and is used to position the carrier 120.

[0079] In one embodiment, the carrier assembly 12 further includes a spring 122 and a second positioning pin 123. The carrier 120 is provided with a stepped hole 1206. The spring 122 is sleeved on the second positioning pin 123. The second positioning pin 123 is accommodated in the stepped hole 1206. The second positioning pin 123 cooperates with the spring 122 to position the first workpiece.

[0080] In one embodiment, during the cooperation between the second locating pin 123 and the spring 122, the spring 122 sleeved on the second locating pin 123 is utilized. When the spring 122 contracts, the second locating pin 123 retracts and becomes flush with the surface of the first workpiece, thereby ensuring the assembly position accuracy of the first workpiece.

[0081] See also Figures 6 to 8 , one embodiment of the present application provides an assembly jig 200 including a positioning device 100, and the assembly jig 200 is used to assemble a first workpiece and a second workpiece. The assembly jig 200 also includes a fixed module 21, a heating module 22 and a first driving member 16. The fixed module 21 is used to position the second workpiece. The heating module 22 is connected to the fixed module 21, and the heating module 22 is used to heat the assembly surface of the second workpiece and the first workpiece. The positioning device 100 also includes a first driving member 16, and the first driving member 16 is connected to the base 11. The first driving member 16 is used to drive the base 11 to drive the first workpiece carried on the carrier 120 to move to the second workpiece, so that the first workpiece is fixed on the second workpiece. The first driving member 16 includes a positioning cylinder.

[0082] In one embodiment, the fixed module 21 includes a fixed plate 210, a first pressing assembly 211 and a second pressing assembly 212. The first pressing assembly 211 and the second pressing assembly 212 are mounted on the fixed plate 210, and the second workpiece is clamped on the fixed plate 210. The first pressing assembly 211 and the second pressing assembly 212 are both used to press the second workpiece.

[0083] In one embodiment, the first pressing assembly 211 includes a first rotating driving member 2110 and a first pressing block 2111. The first rotating driving member 2110 is connected to the first pressing block 2111 to drive the first pressing block 2111 to rotate, and the first pressing block 2111 presses the second workpiece when rotating. The first rotating driving member 2110 includes a rotating cylinder.

[0084] In one embodiment, the assembly jig 200 may include multiple groups of first pressing components 211, which are evenly distributed at opposite ends of the fixing plate 210 to ensure that the pressing force acting on the second workpiece is uniform, further improving the positioning accuracy of the second workpiece.

[0085] In one embodiment, the second pressing assembly 212 includes a second rotating driving member 2120, a connecting rod mechanism 2121, and a second pressing block 2122. The second rotating driving member 2120 is connected to a first end of the connecting rod mechanism 2121, and a second end of the connecting rod mechanism 2121 is connected to the second pressing block 2122. The second rotating driving member 2120 is used to drive the connecting rod mechanism 2121 to drive the second pressing block 2122 to rotate, and the second pressing block 2122 presses the second workpiece when rotating. The second rotating driving member 2120 includes a rotating cylinder.

[0086] In one embodiment, the assembly jig 200 may include a plurality of sets of second pressing components 212 , and the plurality of sets of second pressing components 212 are distributed on the fixing plate 210 to ensure the position accuracy of the second workpiece.

[0087] In one embodiment, the second workpiece is pressed by the first pressing assembly 211 and the second pressing assembly 212 to ensure the accuracy and stability of the position of the second workpiece and avoid the problem of assembly accuracy between the first and second workpieces caused by position deviation caused by the movement of the second workpiece.

[0088] In one embodiment, the fixed module 21 further includes a moving assembly 214. The moving assembly 214 is installed at one end of the fixed plate 210 away from the second workpiece. The moving assembly 214 is used to control the fixed plate 210 to carry the second workpiece and move left and right along the Y direction to adjust the position of the fixed plate 210. The positioning of the fixed plate 210 is achieved through the moving assembly 214, ensuring the positioning accuracy of the second workpiece clamped on the positioning plate, thereby improving the assembly accuracy of the second workpiece.

[0089] In one embodiment, the fixed module 21 also includes a positioning mechanism 213. The positioning mechanism 213 includes a base plate 2130, a second driving member 2131 and two clamping assemblies 2132. The end surface of the base plate 2130 is connected to the first driving member 16. The two clamping assemblies 2132 are installed on the back side of the end surface of the base plate 2130 and are respectively connected to the second driving member 2131. The second driving member 2131 includes a centering cylinder. The second driving member 2131 is used to drive the two clamping assemblies 2132 to move away from or closer to each other. The second driving member 2131 drives the two clamping assemblies 2132 to move away from or closer to each other, thereby realizing the centering positioning of the second workpiece.

[0090] In one embodiment, each clamping assembly 2132 includes a slider 21320 and a clamping member 21321. The slider 21320 is connected to the bottom plate 2130. The clamping member 21321 is located above the slider 21320.

[0091] In one embodiment, the second workpiece is positioned by the fixing module 21, thereby ensuring the position accuracy of the second workpiece and improving the assembly accuracy of the first workpiece and the second workpiece. At the same time, the heating module 22 is used to heat the assembly surface of the second workpiece and the first workpiece, thereby accelerating the curing speed of the glue on the first workpiece, so that the glue is completely cured, improving the strength of the glue, and further improving the assembly accuracy of the first workpiece and the second workpiece.

[0092] In one embodiment, the assembly fixture 200 also includes an electrical control module 23, and the fixed module 21, the heating module 22 and the positioning device 100 are respectively connected to the electrical control module 23. The electrical control module 23 is used to provide vacuum gas to the carrier 120. The electrical control module 23 is also used to provide power to the positioning device 100 and the fixed module 21.

[0093] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present application, and are not used as limitations on the present application. As long as they are within the spirit of the present application, appropriate changes and modifications to the above embodiments are within the scope of the present application.

Claims

1. A positioning device, characterized in that: The positioning device comprises: A base, wherein a first positioning pin is provided on the base; A carrier assembly, the carrier assembly comprising a carrier and a suction cup, the carrier being provided with a positioning hole matching the first positioning pin, the first positioning pin being passed through the positioning hole to fix the carrier, the carrier being further provided with a vacuum hole, a first vacuum channel, a vacuum cavity and a plurality of second vacuum channels, the vacuum hole being communicated with the first vacuum channel, the first vacuum channel being communicated with the vacuum cavity, the plurality of second vacuum channels being communicated with the vacuum cavity, the plurality of second vacuum channels being used to output vacuum suction to adsorb a first workpiece carried on the carrier, the suction cup being sealedly connected with the vacuum hole, and being configured to be communicated with an external air source for adsorbing the carrier; The limiting member includes a first limiting component and a second limiting component. The first limiting component and the second limiting component are respectively installed on both sides of the carrier component for positioning the carrier component.

2. The positioning device according to claim 1, characterized in that The positioning device further comprises a magnet assembly. The base is provided with a receiving cavity. The magnet assembly is received in the receiving cavity and is used for adsorbing the carrier.

3. The positioning device according to claim 1 or 2, characterized in that: The positioning device also includes a slider assembly, which is connected to the base and is used to control the base to carry the carrier to move.

4. The positioning device according to claim 1, characterized in that: The carrier assembly also includes a spring and a second positioning pin. The carrier is provided with a stepped hole. The spring is sleeved on the second positioning pin. The second positioning pin is accommodated in the stepped hole. The second positioning pin cooperates with the spring to position the first workpiece.

5. An assembly jig, characterized in that: The assembly jig comprises a positioning device as claimed in any one of claims 1 to 4, and is used to assemble the first workpiece and the second workpiece. The assembly jig further comprises: A fixed module, the fixed module is used to position the second workpiece; A heating module, the heating module is connected to the fixed module, and the heating module is used to heat the assembly surface of the second workpiece and the first workpiece; The positioning device further includes a first driving member connected to the base, and the first driving member is used to drive the base to move the first workpiece carried on the carrier to the second workpiece, so that the first workpiece is fixed on the second workpiece.

6. The assembly jig according to claim 5, characterized in that: The fixed module includes a fixed plate, a first pressing assembly and a second pressing assembly, the first pressing assembly and the second pressing assembly are mounted on the fixed plate, the second workpiece is clamped on the fixed plate, and the first pressing assembly and the second pressing assembly are both used to press the second workpiece.

7. The assembly jig according to claim 6, characterized in that: The first pressing assembly includes a first rotating driving member and a first pressing block, the first rotating driving member is connected to the first pressing block and is used to drive the first pressing block to rotate, and the first pressing block presses the second workpiece when rotating; the second pressing assembly includes a second rotating driving member, a connecting rod mechanism and a second pressing block, the second rotating driving member is connected to the first end of the connecting rod mechanism, the second end of the connecting rod mechanism is connected to the second pressing block, the second rotating driving member is used to drive the connecting rod mechanism to drive the second pressing block to rotate, and the second pressing block presses the second workpiece when rotating.

8. The assembly jig according to claim 6, characterized in that: The fixed module also includes a moving component, which is installed at one end of the fixed plate away from the second workpiece, and the moving component is used to control the movement of the fixed plate carrying the second workpiece.

9. The assembly jig according to any one of claims 5 to 8, characterized in that: The fixed module also includes a positioning mechanism, which includes a base plate, a second driving member and two clamping assemblies. The end surface of the base plate is connected to the first driving member. The two clamping assemblies are installed on the back side of the end surface of the base plate and are respectively connected to the second driving member. The second driving member is used to drive the two clamping assemblies away from or close to each other.

10. The assembly jig according to claim 9, characterized in that: Each clamping assembly comprises a slider and a clamping member, wherein the slider is connected to the bottom plate, and the clamping member is located above the slider.

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