Positioning device

Abstract

The utility model provides a positioning device, which comprises a clamp body, a fixing component, a positioning component and a positioning component, the clamp body is provided with the fixing component, and the fixing component protrudes out of the surface of the clamp body and is used for abutting against a component to be positioned; the clamping and rotating assembly is movably arranged, and the clamping and rotating assembly comprises a connecting structure used for being fixedly connected with a to-be-positioned component and a driving structure in driving connection with the connecting structure; when the connecting structure is fixedly connected with the component to be positioned, the connecting structure is driven by the driving structure to move, so that the component to be positioned is driven to rotate, and the positioning device solves the technical problem that the production efficiency of the spherical cover of the compressor is low in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a positioning device. Background Art

[0002] An exhaust pipe is fixed on the compressor spherical cover, and a terminal hole is opened on the compressor spherical cover. In order to meet the installation requirements, a screw needs to be welded on the compressor spherical cover. However, the screw is misaligned with the axis of the compressor spherical cover and is tilted. Currently, during welding, the compressor spherical cover needs to be fixed with the help of special tooling, so that the position where the compressor spherical cover needs to be welded with the bolts is set vertically upward, and then the screw is welded to the compressor spherical cover by a welding machine.

[0003] However, the above-mentioned tooling requires the compressor spherical cover to be placed at an angle. In order to improve stability, a clamping structure is configured, which results in a time-consuming process of matching the compressor spherical cover with the tooling and removing the compressor spherical cover. The operator has a large workload, which cannot meet production needs and affects production efficiency.

[0004] Therefore, the prior art needs to be further developed. Utility Model Content

[0005] The purpose of the utility model is to overcome the above technical deficiencies and provide a positioning device to solve the technical problem of low production efficiency of the spherical cover of the compressor in the related art.

[0006] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a positioning device is provided, including: a clamping body, the clamping body has a fixing component, the fixing component is protruding from the surface of the clamping body, and the fixing component is used to abut against the component to be positioned; a clamping rotating assembly, the clamping rotating assembly is movably arranged, and the clamping rotating assembly includes a connecting structure for fixedly connecting to the component to be positioned and a driving structure drivingly connected to the connecting structure; when the connecting structure is fixedly connected to the component to be positioned, the driving structure drives the connecting structure to move, thereby driving the component to be positioned to rotate.

[0007] Furthermore, the clamping rotation assembly includes: a gripper cylinder, on which two clamping arms are arranged, and on which clamping blocks for abutting against the part to be positioned are arranged; the two clamping arms are arranged at intervals, and the gripper cylinder is drivingly connected to the two clamping arms to drive the two clamping arms to move closer to or away from each other, thereby driving the two clamping blocks to clamp or release the part to be positioned.

[0008] Furthermore, the clamping rotation assembly includes: a swing cylinder, which is arranged on the clamping claw arm; a movable rod, one end of which is connected to the swing cylinder, and the other end of which is connected to the clamping block, so as to drive the movable rod to rotate through the swing cylinder.

[0009] Furthermore, the clamping rotation assembly includes: a flange seat, which is arranged on the clamping claw arm, the flange seat is connected to the swing cylinder, the movable rod passes through the flange seat and the clamping claw arm, and the clamping block is located on the side of the clamping claw arm away from the swing cylinder.

[0010] Furthermore, a mounting block is provided on the clamping block, and a mounting groove is provided on the movable rod, so that the clamping block and the movable rod can be detachably connected by inserting the mounting block into the mounting groove.

[0011] Furthermore, both clamping blocks are provided with clamping grooves, and the clamping grooves on the two clamping blocks are arranged opposite to each other; the clamping grooves have a clamping surface for abutting against the component to be positioned.

[0012] Furthermore, the clamping surface has a clamping flange protruding from the clamping surface.

[0013] Furthermore, the fixing component comprises: a positioning column for penetrating into the component to be positioned; a positioning block spaced apart from the positioning column, and a positioning hole for inserting the component to be positioned is provided on the positioning block.

[0014] Further, there are a plurality of positioning posts, which are arranged at intervals; and / or there are a plurality of positioning holes, which are arranged at intervals on the positioning block.

[0015] Furthermore, the clamp body comprises a bottom plate, an adjusting groove is formed on the bottom plate, a connecting block inserted into the adjusting groove is provided on the positioning block, and the connecting block is adjustably arranged in the adjusting groove.

[0016] Furthermore, the positioning column includes a positioning seat, a weight-reducing groove is arranged on the positioning seat, a plurality of positioning parts are arranged on the positioning seat, and the plurality of positioning parts are arranged around the weight-reducing groove; a chamfer is arranged on one side of the plurality of positioning parts away from the weight-reducing groove.

[0017] Furthermore, the clamp body comprises a contoured seat, the contoured seat has a contoured body protruding from the contoured seat surface, the contoured body is provided with a contoured surface for abutting against the component to be positioned; the positioning seat is arranged on the contoured body.

[0018] Beneficial effects:

[0019] The positioning device of the utility model can position the compressor spherical cover and clamp the exhaust pipe, and drive the compressor spherical cover to rotate through the exhaust pipe to drive the position of the compressor spherical cover where the welding screw needs to be in a vertical upward state, and then the screw is welded to the compressor spherical cover through a welding machine, thereby improving the level of automation and welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a component to be positioned in the prior art;

[0021] Figure 2 It is a structural schematic diagram of a clamping and rotating assembly of a positioning device used in an embodiment of the utility model;

[0022] Figure 3 yes Figure 2 A partial enlarged view of part I;

[0023] Figure 4 It is a schematic structural diagram of a clamping body of a positioning device used in an embodiment of the utility model;

[0024] Figure 5 yes Figure 4 A partial enlarged view of part II.

[0025] The above drawings include the following reference numerals:

[0026] 10. Parts to be positioned; 20. Exhaust pipe; 30. Screw; 40. Terminal hole;

[0027] 1. Clamping and rotating assembly; 11. Gripper cylinder; 12. Clamping claw arm; 13. Clamping block; 131. Clamping groove; 1311. Clamping surface; 1312. Clamping flange; 14. Swinging cylinder; 15. Movable rod; 16. Flange seat;

[0028] 2. Clamping body; 21. Fixing component; 211. Positioning column; 2111. Positioning seat; 2112. Weight reduction groove; 2113. Positioning portion; 2114. Chamfer; 212. Positioning block; 2121. Positioning hole; 2122. Connecting block; 213. Bottom plate; 2131. Adjusting groove; 22. Contour seat; 221. Contour surface; 222. Contour body. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely 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, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0030] See also Figures 1 to 5According to an embodiment of the utility model, a positioning device is provided, comprising: a clamp body 2, the clamp body 2 having a fixing part 21, the fixing part 21 protruding from the surface of the clamp body 2, the fixing part 21 being used to abut against the part to be positioned 10; a clamping rotating assembly 1, the clamping rotating assembly 1 being movably arranged, the clamping rotating assembly 1 comprising a connecting structure for fixing with the part to be positioned 10 and a driving structure drivingly connected with the connecting structure; when the connecting structure is fixedly connected with the part to be positioned 10, the driving structure drives the connecting structure to move, thereby driving the part to be positioned 10 to rotate. With the above arrangement, when it is necessary to position the part to be positioned 10, the fixing part 21 on the clamp body 2 is first used to pre-position the part to be positioned 10, and then the connecting structure is used to fix the part to be positioned 10, and then the driving structure drives the connecting structure to rotate, so as to rotate the part to be positioned 10 to a preset position, thereby completing the positioning of the part to be positioned 10, so as to realize subsequent welding and other processes, and solving the technical problem of low production efficiency of the spherical cover of the compressor in the related art.

[0031] Specifically, in some embodiments, the driving structure is a gripper cylinder 11 that drives the connection structure to move and a swing cylinder 14 that drives the connection structure to rotate. The connection structure is a transmission structure and a structure that contacts the component 10 to be positioned.

[0032] In the positioning device of this embodiment, see Figure 2 , Figure 3 The clamping and rotating assembly 1 comprises: a gripper cylinder 11, on which two clamping arms 12 are arranged, and on which clamping blocks 13 for contacting the part to be positioned 10 are arranged; the two clamping arms 12 are arranged at intervals, and the gripper cylinder 11 is drivingly connected to the two clamping arms 12 to drive the two clamping arms 12 to move closer to or away from each other, thereby driving the two clamping blocks 13 to clamp or release the part to be positioned 10. In this way, by driving the two clamping blocks 13 to clamp the part to be positioned 10, the effect of fixing the part to be positioned 10 can be achieved.

[0033] See also Figure 2 , Figure 3 In the positioning device of this embodiment, the clamping and rotating assembly 1 includes: a swing cylinder 14, which is arranged on the clamping claw arm 12; a movable rod 15, one end of which is connected to the swing cylinder 14, and the other end of which is connected to the clamping block 13, so that the swing cylinder 14 drives the movable rod 15 to rotate. In this way, the swing cylinder 14 drives the movable rod 15 to rotate, thereby driving the clamping block 13, and further driving the component 10 to be positioned to rotate.

[0034] See also Figure 2In the positioning device of this embodiment, the clamping and rotating assembly 1 includes: a flange seat 16, which is arranged on the clamping claw arm 12, the flange seat 16 is connected to the swing cylinder 14, the movable rod 15 is arranged through the flange seat 16 and the clamping claw arm 12, and the clamping block 13 is located on the side of the clamping claw arm 12 away from the swing cylinder 14. In this way, the swing cylinder 14 can be firmly fixed and the movable rod 15 can be stably driven to rotate.

[0035] In the positioning device of this embodiment, a mounting block is provided on the clamping block 13, and a mounting groove is provided on the movable rod 15, so that the clamping block 13 and the movable rod 15 are detachably connected by inserting the mounting block into the mounting groove. In this way, the clamping block 13 can be easily replaced to adapt to different specifications of the components 10 to be positioned.

[0036] See also Figure 2 , Figure 3 In the positioning device of this embodiment, the two clamping blocks 13 are both provided with clamping grooves 131, and the clamping grooves 131 on the two clamping blocks 13 are arranged opposite to each other. In this way, the clamping grooves 131 are provided on the clamping blocks 13, and when the clamping blocks 13 fix the component 10 to be positioned, the clamping grooves 131 can stably contact the component 10 to be positioned by rotating the clamping blocks 13, thereby driving the component 10 to be positioned to rotate.

[0037] See also Figure 3 The clamping groove 131 has a clamping surface 1311 for contacting the component 10 to be positioned, and the clamping surface 1311 has a clamping flange 1312 protruding from the clamping surface 1311. In this way, when the component 10 to be positioned needs to be lifted, the clamping flange 1312 stably contacts the component 10 to be positioned, thereby driving the component 10 to be positioned to be lifted.

[0038] In the positioning device of this embodiment, the fixing component 21 includes: a positioning column 211 for penetrating the component to be positioned 10; a positioning block 212 spaced apart from the positioning column 211, and a positioning hole 2121 for inserting the component to be positioned 10 is provided on the positioning block 212. With the above arrangement, when positioning a component to be positioned 10 of a specific shape, such as a spherical cover of a compressor, the component to be positioned 10 can be limited by inserting the fixing component 21 into the component to be positioned 10 or inserting the component to be positioned 10 into the fixing component 21, thereby making the positioning operation more secure.

[0039] In order to achieve a better positioning effect, in the positioning device of this embodiment, there are multiple positioning columns 211, and the multiple positioning columns 211 are arranged at intervals; and / or, there are multiple positioning holes 2121, and the multiple positioning holes 2121 are arranged at intervals on the positioning block 212.

[0040] In the positioning device of this embodiment, the clamp body 2 includes a bottom plate 213, an adjustment groove 2131 is provided on the bottom plate 213, and a connection block 2122 inserted into the adjustment groove 2131 is provided on the positioning block 212, and the connection block 2122 is adjustable in the adjustment groove 2131. In this way, the structural space of the clamp body 2 is effectively utilized, and the effect of adjusting the position of the positioning block 212 is achieved, so as to adapt to different specifications of the components 10 to be positioned.

[0041] See also Figure 5 In the positioning device of this embodiment, the positioning column 211 includes a positioning seat 2111, a weight-reducing groove 2112 is provided on the positioning seat 2111, a plurality of positioning parts 2113 are provided on the positioning seat 2111, and the plurality of positioning parts 2113 are arranged around the weight-reducing groove 2112; in this way, the weight of the positioning device can be reduced.

[0042] The plurality of positioning portions 2113 are all provided with chamfers 2114 on one side away from the weight-reducing groove 2112. With the above arrangement, the component 10 to be positioned can be protected and the component 10 to be positioned can be guided to fall into a proper position.

[0043] In the positioning device of this embodiment, the clamp body 2 includes a contour seat 22, the contour seat 22 has a contour body 222 protruding from the surface of the contour seat 22, and the contour body 222 is provided with a contour surface 221 for abutting against the component to be positioned 10; the positioning seat 2111 is arranged on the contour body 222. With the above arrangement, the inner side wall of the component to be positioned 10 is in contact with the contour surface 221 of the contour seat 22, and a positioning operation is performed.

[0044] Embodiment 1:

[0045] The clamp body comprises a bottom plate 213, on which a positioning block 212, a positioning column 211 and a contour seat 22 are fixedly mounted. The positioning block 212 is provided with a positioning hole 2121 which is plugged and matched with the exhaust pipe 20 of the compressor spherical cover (i.e., the component to be positioned 10 in this embodiment). The positioning column 211 is plugged and matched with the terminal hole 40 of the compressor spherical cover. The contour seat 22 has a contour surface 221 which is in contact with the inner wall of the compressor spherical cover.

[0046] The clamping rotation assembly includes a gripper cylinder, the two piston rods of the gripper cylinder are respectively fixedly connected to the clamping arms, and the outer sides of the clamping arms are fixedly installed with swing cylinders through flange seats. The piston rods of the swing cylinders pass through the clamping arms and are fixedly connected to the movable rod, and the movable rod is fixedly connected to the clamping block.

[0047] The gripper cylinder is fixedly mounted on the end effector of the robot arm.

[0048] In this way, during the specific implementation, the clamp body is installed on the production line. After the clamp body is moved into position by the conveyor line, the clamping and rotating assembly clamps the exhaust pipe 20 of the compressor spherical cover on the clamp body and drives the rotation of the exhaust pipe 20 to drive the rotation of the compressor spherical cover. After rotating into position, the position where the compressor spherical cover needs to be welded with the screw 30 is set upward, and the screw is welded to the compressor spherical cover by a welding machine.

[0049] Specifically, when the clamp body positions the compressor spherical cover, the terminal hole 40 of the compressor spherical cover is aligned with the positioning column 211, the positioning column 211 is inserted into the terminal hole 40 of the compressor spherical cover, the lower end of the exhaust pipe 20 on the compressor spherical cover is inserted into the positioning hole 2121 of the positioning block 212, the inner side wall of the compressor spherical cover is fitted with the contoured surface 221 of the contoured seat 22, the compressor spherical cover is supported by the positioning block 212 and the bottom plate 213, and the positioning and installation of the compressor spherical cover is completed. In actual operation, the operator can directly place the compressor spherical cover on the clamp body without pressing, which can reduce the labor intensity of the operator and improve efficiency.

[0050] Specifically, after the conveyor line drives the clamping body to move into place, the robotic arm drives the clamping rotating assembly to move downward, the piston rod of the gripper cylinder extends to drive the two clamping claw arms to approach each other and clamp the exhaust pipe 20 on the compressor spherical cover, and then the robotic arm drives the clamping rotating assembly to move upward, the compressor spherical cover is separated from the clamping body, and the piston rod of the swing cylinder swings to drive the exhaust pipe 20 to swing, and then drives the compressor spherical cover to swing through the exhaust pipe 20, so that the position where the compressor spherical cover needs to be welded with the screw 30 is set upward, and finally the screw is welded to the compressor spherical cover by the welding machine, and then the swing cylinder is reset, the robotic arm drives the clamping rotating assembly to move downward, the gripper cylinder is reset, and the compressor spherical cover with the screw welded is put back on the clamping body to complete the welding process.

[0051] During implementation, the two clamping blocks are opposite to each other to form a clamping groove. By setting the clamping groove, the contact area with the exhaust pipe 20 can be increased, the clamping effect can be better improved, and the clamping process can be more stable.

[0052] During implementation, a weight-reducing groove is provided at the upper end of the positioning column 211. On the basis of achieving positioning, the weight of the tooling and consumables can be reduced.

[0053] During implementation, the outer side of the upper end of the positioning column 211 is provided with a rounded corner, so that the terminal hole 40 on the spherical cover of the compressor can be quickly matched with the positioning column 211.

[0054] During implementation, the positioning block 212, the positioning column 211 and the contour seat 22 are fixedly connected with the base plate 213 by bolts, which is convenient for manufacturing and installation. During implementation, the movable rod 15 is fixedly connected with the clamping block 13 by bolts, which is convenient for manufacturing and installation.

[0055] During implementation, the piston rod of the gripper cylinder 11 is fixedly connected to the clamping claw arm 12 by bolts, which is convenient for manufacturing and installation.

[0056] The working principle of the positioning device of this embodiment is as follows:

[0057] The operator places the compressor spherical cover on the clamp body 2: the terminal hole 40 of the compressor spherical cover is directly opposite to the positioning column 211, the positioning column 211 is inserted into the terminal hole 40 of the compressor spherical cover, the lower end of the exhaust pipe 20 on the compressor spherical cover is inserted into the positioning hole 2121 of the positioning block 212, the inner side wall of the compressor spherical cover is fitted with the contoured surface 221 of the contoured seat 22, the compressor spherical cover is supported by the positioning block 212 and the bottom plate 213, and the positioning installation of the compressor spherical cover is completed;

[0058] The conveyor line drives the clamping body 2 to move into place, the robotic arm drives the clamping rotating assembly to move downward, the piston rod of the gripper cylinder 11 extends to drive the two clamping claw arms 12 to approach each other and clamp the exhaust pipe 20 on the compressor spherical cover, and then the robotic arm drives the clamping rotating assembly 1 to move upward, the compressor spherical cover is separated from the clamping body 2, the piston rod of the swing cylinder 14 swings, and the exhaust pipe 20 is driven to swing, and then the compressor spherical cover is driven to swing through the exhaust pipe 20, so that the position where the compressor spherical cover needs to be welded with the screw 30 is set upward, and finally the screw 30 is welded to the compressor spherical cover by the welding machine, and then the swing cylinder 14 is reset, the robotic arm drives the clamping rotating assembly 1 to move downward, the gripper cylinder 11 is reset, and the compressor spherical cover with the screw 30 welded is put back on the clamping body 2 to complete the welding process.

[0059] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0060] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment will not be described in detail here.

[0061] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0062] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0063] The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A positioning device, characterized in that: include: A clamp body (2), wherein the clamp body (2) has a fixing component (21), the fixing component (21) is arranged protruding from the surface of the clamp body (2), and the fixing component (21) is used to abut against the component to be positioned (10); A clamping and rotating assembly (1), wherein the clamping and rotating assembly (1) is movably arranged, and comprises a connecting structure for fixedly connecting to the part to be positioned (10) and a driving structure drivingly connected to the connecting structure; when the connecting structure is fixedly connected to the part to be positioned (10), the driving structure drives the connecting structure to move, thereby driving the part to be positioned (10) to rotate.

2. The positioning device according to claim 1, characterized in that: The clamping and rotating assembly (1) comprises: A gripper cylinder (11), wherein two clamping arms (12) are arranged on the gripper cylinder (11), and each of the two clamping arms (12) is provided with a clamping block (13) for abutting against the component to be positioned (10); the two clamping arms (12) are arranged at intervals, and the gripper cylinder (11) and the two clamping arms (12) are drivingly connected to drive the two clamping arms (12) to move closer to or away from each other, thereby driving the two clamping blocks (13) to clamp or release the component to be positioned (10).

3. The positioning device according to claim 2, characterized in that: The clamping and rotating assembly (1) comprises: A swing cylinder (14), wherein the swing cylinder (14) is arranged on the clamping claw arm (12); A movable rod (15), one end of which is connected to the swing cylinder (14), and the other end of which is connected to the clamping block (13), so as to drive the movable rod (15) to rotate through the swing cylinder (14).

4. The positioning device according to claim 3, characterized in that: The clamping and rotating assembly (1) comprises: A flange seat (16) is arranged on the clamping arm (12), the flange seat (16) is connected to the swing cylinder (14), the movable rod (15) passes through the flange seat (16) and the clamping arm (12), and the clamping block (13) is located on a side of the clamping arm (12) away from the swing cylinder (14).

5. The positioning device according to claim 3, characterized in that: The clamping block (13) is provided with a mounting block, and the movable rod (15) is provided with a mounting groove, so that the clamping block (13) and the movable rod (15) can be detachably connected by inserting the mounting block into the mounting groove.

6. The positioning device according to claim 2, characterized in that: The two clamping blocks (13) are each provided with a clamping groove (131), and the clamping grooves (131) on the two clamping blocks (13) are arranged opposite to each other; the clamping groove (131) has a clamping surface (1311) for abutting against the component (10) to be positioned.

7. The positioning device according to claim 6, characterized in that: The clamping surface (1311) is provided with a clamping flange (1312) protruding from the clamping surface (1311).

8. The positioning device according to any one of claims 1 to 7, characterized in that: The fixing component (21) comprises: A positioning column (211) for penetrating into the component to be positioned (10); A positioning block (212) is arranged at a distance from the positioning column (211), and a positioning hole (2121) is provided on the positioning block (212) for inserting the component (10) to be positioned.

9. The positioning device according to claim 8, characterized in that: There are a plurality of positioning posts (211), and the plurality of positioning posts (211) are arranged at intervals; and / or, There are a plurality of positioning holes (2121), and the plurality of positioning holes (2121) are arranged on the positioning block (212) at intervals.

10. The positioning device according to claim 8, characterized in that: The clamp body (2) comprises a bottom plate (213), an adjustment groove (2131) is provided on the bottom plate (213), a connecting block (2122) inserted into the adjustment groove (2131) is provided on the positioning block (212), and the connecting block (2122) is arranged in the adjustment groove (2131) in an adjustable manner.

11. The positioning device according to claim 8, characterized in that: The positioning column (211) comprises a positioning seat (2111), a weight-reducing groove (2112) is arranged on the positioning seat (2111), a plurality of positioning portions (2113) are arranged on the positioning seat (2111), and the plurality of positioning portions (2113) are arranged around the weight-reducing groove (2112); a chamfer (2114) is arranged on one side of the plurality of positioning portions (2113) away from the weight-reducing groove (2112).

12. The positioning device according to claim 11, characterized in that: The clamp body (2) comprises a contour seat (22), the contour seat (22) being provided with a contour body (222) protruding from the surface of the contour seat (22), the contour body (222) being provided with a contour surface (221) for abutting against the component to be positioned (10); the positioning seat (2111) is arranged on the contour body (222).

Images