Electric tool shell positioning tool

Abstract

The utility model discloses an electric tool shell positioning tool which comprises a connecting structure arranged on a movable module and a clamping mechanism arranged on the connecting structure, the clamping mechanism comprises a pneumatic clamping jaw and a limiting piece, the limiting piece is arranged at the end, close to a clamping jaw body, of the pneumatic clamping jaw, and the pneumatic clamping jaw is connected with the limiting piece. The tail end of the clamping claw body protrudes out of the limiting piece and is used for inwards clamping or outwards supporting a product abutting against the lower end of the limiting piece. According to the pneumatic clamping jaw, the limiting piece is arranged to abut against the end of the product, so that the distance of the clamping jaw body acting on the product can be guaranteed, the situation that the product excessively stretches into the clamping jaw body is avoided, the situation that the pneumatic clamping jaw clamps the irregular circular side wall of the product is avoided, and the clamping stability is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of machining devices, in particular to a positioning tool for an electric tool housing. Background Art

[0002] During the machining process of the power tool housing, it is necessary to load and unload the material and process it. Each process needs to be positioned and fixed to ensure the normal operation of the process. For some power tool products with irregular shapes or appearances, such as the attached Figure 6 As shown, the two ends of the product 100 are respectively a narrow end 100a and a thick end 100b, and the narrow end 100a and the thick end 100b are regular annular structures with an irregular circular side wall 101 between them, and the narrow end 100a and the thick end 100b are respectively formed with a first protrusion 102 and a second protrusion 103 on the side close to the irregular annular side wall 101. If it is clamped and positioned, the most preferred clamping position should be the side of the narrow end 100a and the thick end 100b away from the irregular circular side wall 101, so as to avoid clamping on the protrusion to affect the clamping stability or cause damage to the protrusion and the clamping claws.

[0003] In the prior art, there is a shell clamping tool with application number 202223505481.0, which clamps the shell through a clamping seat of a pneumatic clamp and adjusts the position through a horizontal module and a vertical module. However, the pair of clamping seats have regular arc inner walls, which is not suitable for the above-mentioned product 100 and easily causes inaccurate or unstable clamping. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning tool for the housing of an electric tool. By setting a limit piece to abut against the end of the product, the distance at which the clamping claw acts on the product can be guaranteed, that is, the product is prevented from extending too much into the clamping claw, and the pneumatic clamping claw is prevented from clamping the protrusion and irregular circular side wall of the product, thereby ensuring the stability of the clamping.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an electric tool housing positioning tool, including a connecting structure arranged on a mobile module, and a clamping mechanism arranged on the connecting structure, the clamping mechanism includes a pneumatic clamp and a limit member, the limit member is arranged on one end of the pneumatic clamp close to the clamping jaw body, and the end of the clamping jaw body protrudes from the limit member for clamping inwardly or propping up outwardly the product that abuts against the lower end of the limit member.

[0006] As a further optimization, the limiting member includes a connecting plate, a connecting column and a pressure plate. The multiple connecting plates are respectively arranged between adjacent clamping claw bodies. The connecting column is vertically arranged on the connecting plate. The pressure plate is vertically arranged on the connecting column at one end away from the connecting plate to limit the distance that the product extends into the clamping claw body.

[0007] As a further optimization, the connecting plate includes a lower plate and an upper plate fixedly connected to each other, each of which is provided with a through hole, and a limiting groove is provided on the lower plate beside the through hole. The connecting column includes a column body and a limiting ring arranged in the middle of the column body, and a spring is sleeved on the upper end of the limiting ring on the column body, and the lower and upper ends of the column body extend out of the through holes on the lower and upper plates respectively, and the limiting ring and the spring are located in the limiting groove, which can realize the elastic abutment between the pressure plate and the product to avoid damage to the product.

[0008] As a further optimization, the lower plate and / or the upper plate are provided with guide columns for the column to pass through, so as to ensure the accuracy of the vertical movement of the connecting column.

[0009] As a further optimization, the lower plate and the upper plate are connected by bolt locking.

[0010] As a further optimization, the pneumatic clamp is a three-finger clamp; the number of the connecting plates is three, and the three connecting plates are arranged at equal angles.

[0011] As a further optimization, the three connecting plates are an integrally formed structure; the three pressing plates are an integrally formed structure. The arrangement of the multiple integrally formed connecting plates and the multiple integrally formed pressing plates can ensure the balance of the installation of the limiter and the uniformity and balance of the contact with the product.

[0012] As a further optimization, a clearance notch is provided on the side of the clamping jaw body away from the central axis of the pneumatic clamping jaw.

[0013] As a further optimization, there are two clamping mechanisms, and the two clamping mechanisms are arranged vertically to improve the clamping and positioning efficiency.

[0014] As a further optimization, the connecting structure includes a connecting block, a rotating cylinder and a fixed block, and the connecting block and the fixed block are both isosceles right triangle structures. The rotating cylinder is arranged on the inclined surface of the connecting block, and the inclined surface on the fixed block is arranged at the output end of the rotating cylinder. The clamping mechanism is arranged on the right-angle surface of the fixed block, and the positions of the two clamping mechanisms can be interchanged by rotation to complete the conversion of loading and unloading positions.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. By setting the limiter to abut against the end of the product, the distance between the clamping claw and the product can be guaranteed, that is, the product is prevented from extending too much into the clamping claw, and the pneumatic clamp is prevented from clamping the protrusions and irregular circular side walls on the product, but only the end of the product is clamped to ensure the stability of clamping;

[0017] 2. The limiter is formed by setting the connecting plate, the connecting column and the pressure plate. Especially when multiple connecting plates and multiple pressure plates are an integrated structure, the installation stability of the limiter and the balance of the contact with the product can be guaranteed, thereby ensuring the stability of the clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model.

[0019] Figure 2 It is a structural diagram of the clamping mechanism of the utility model.

[0020] Figure 3 This is a structural diagram of the limiter of the utility model.

[0021] Figure 4 It is an exploded schematic diagram of another embodiment of the limiting member of the utility model.

[0022] Figure 5 This is a schematic diagram of the application of the utility model in another embodiment.

[0023] Figure 6 This is a structural diagram of the product (power tool housing). DETAILED DESCRIPTION

[0024] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0025] like Figures 1 to 2 , and combined Figure 6 As shown, the electric tool housing positioning tool includes a connecting structure 10 arranged on an external movable module, and a clamping mechanism 20 arranged on the connecting structure 10. The clamping mechanism 20 includes a pneumatic clamp 21 and a limiter 22. The pneumatic clamp 21 is preferably a three-finger clamp, which has three synchronously acting clamping claw bodies 211. The stability of clamping can be ensured by clamping at three points. The limiter 22 is arranged on one end of the pneumatic clamp 21 close to the clamping claw body 211. The end of the clamping claw body 211 protrudes from the limiter 22 and is used to clamp inwardly or prop up outwardly the product 100 that abuts against the lower end of the limiter 22.

[0026] In the present invention, the product 100, i.e., the housing of the electric tool, is positioned on an external carrier tool in a certain posture. When the clamping claw body 211 needs to clamp the narrow end 100a of the product 100, first, the external moving module drives the connecting mechanism 10 and the clamping mechanism 20 to move downward so that the lower end of the limit member 22 abuts against the end of the narrow end 100a of the product 100. After the pneumatic clamping claw 21 drives the clamping claw body 211 to move, the end side wall of the narrow end 100a is clamped without acting on the first protrusion 102 or the irregular circular side wall 101. Therefore, mutual interference with the first protrusion 102 on the narrow end 100a can be avoided, thereby ensuring the clamping effect and clamping stability of the product 100. Similarly, if Figure 5 As shown, when the clamping claws 211 need to clamp the wide end 100b of the product 100, the three clamping claws 211 are first located in the retracted position and are driven to extend into the cavity of the thick end 100b. When the lower end of the limiting member 22 abuts against the end of the thick end 100b, the three clamping claws 211 are reset outward to thereby support the product 100 outward.

[0027] The utility model can ensure the distance of the clamping claw body 11 acting on the product 100 by setting a limit piece 22 to abut against the end of the product 100, thereby preventing the product 100 from extending too much into the clamping claw body 211 and clamping the protrusion or irregular circular side wall 101 on the product 100, and thus only clamping the end of the product 100 to ensure the stability of clamping, thereby improving the clamping accuracy and stability.

[0028] Combination Figure 3 As shown, more specifically, the limiting member 22 includes three connecting plates 221, three connecting columns 222 and three pressure plates 223. The three connecting plates 221 are respectively arranged between an adjacent pair of clamping claw bodies 211 to form a gap. The connecting columns 222 are vertically arranged on the connecting plates 221. The pressure plate 223 is vertically arranged on the connecting columns 222 at one end away from the connecting plates 221 and is used to abut the product 100 to limit the distance that the product 100 extends into the clamping claw body 211. Specifically, abutment areas 2230 are formed on the three pressure plates 223 close to each other, and the abutment areas 2230 can be used to abut the narrow end 100a or the thick end 100b of the product 100. In addition, in order to ensure that the abutment area 2230 is suitable for the narrow end 100a or the thick end 100b of different opening sizes, it is preferred to connect the three pressure plates 223, that is, the three pressure plates 223 are an integrated structure, so that a smaller abutment area can be achieved at the same time, and the setting of the integrated structure can ensure the balance between the multiple pressure plates 223, and can ensure the uniformity and balance when abutting with the end of the product 100; accordingly, the middle parts of the three connecting plates 221 are also connected, that is, the three connecting plates 221 are an integrated structure and form a yield area 2210 with the connection, and the three connecting plates are arranged at equal angles, which can ensure the balance of the limit member 22 installed on the pneumatic clamp 21.

[0029] like Figure 4 As shown, in another embodiment of the utility model, the connecting plate 221 includes a lower plate 2211 and an upper plate 2212 fixedly connected to each other, the lower plate 2211 is provided with a first through hole 2201 vertically penetrating its body, and a limiting groove 2203 is provided on the upper end surface next to the first through hole 2201, the upper plate 2212 is provided with a second through hole 2202 vertically penetrating its body, the connecting column 222 includes a column 2221, and a limiting ring 2222 arranged in the middle of the column 2221, and a spring 2223 is sleeved on the upper end of the limiting ring 2222 on the column 2221, the lower end of the column 2221 extends downwardly out of the first through hole 2201, and the upper end extends upward out of the second through hole 2202, and the lower plate 2211 and the upper plate 2212 are locked by bolts, and the limiting ring 2222 and the spring 2223 are sealed in the limiting groove 2203. In this embodiment, by providing a limiting ring 2222 and a spring 2223 on the column 2221, the connecting column 222 can be moved up and down a small distance relative to the connecting plate 221 in the vertical direction. That is, when the pressure plate 223 abuts against the product 100, the connecting column 222 can move upward due to the upward reaction force generated by the product 100 on the pressure plate 223. However, since the height of the limiting groove 2203 that cooperates with the spring 2223 and the limiting ring 2222 limits the moving distance in the vertical direction, a buffered abutment between the pressure plate 223 and the product 100 is achieved, which can avoid damage to the product 100; due to the height limitation of the limiting groove 2203, the upward movement of the connecting column 222 will not cause the product 100 to extend too much into the clamping claw body 211, which can avoid the pneumatic clamping claw 21 clamping the irregular circular side wall 101 of the product 100 and affecting the clamping effect and clamping stability.

[0030] It should also be noted that when the product 100 is clamped by the clamping claw body 211, even with the elastic force of the spring 2223, the product 100 will not have a relative position relative to the clamping claw body 211 due to the clamping force of the pneumatic clamp 21; moreover, when the external mobile module drives the product 100 to move into place and abuts against the external tooling, the elastic recovery effect of the spring 2223 after the clamping claw body 211 is reset can further press the product against the external tooling, which is similar to the clamping effect of manual operation, and can ensure the reliability of the installation.

[0031] Furthermore, a guide column 2213 for the column 2221 to pass through may be provided on the lower plate 2211 to ensure the accuracy of the vertical movement of the connecting column 222 and enable the abutment area 2230 to be located in the same horizontal plane.

[0032] For example Figure 2As shown, a clearance notch 2110 is provided on the side of the clamping claw body 211 away from the central axis of the pneumatic clamping claw 21, and the clearance notch 2110 can be used for the clamping claw body 211 to extend into the thick end 100b of the product 100 for external support.

[0033] Furthermore, there are two clamping mechanisms 20, and the two clamping mechanisms 20 are arranged vertically to each other, so that two products 100 can be clamped at one time.

[0034] To adapt to the setting of the two clamping mechanisms 20, the connecting structure 10 includes a connecting block 11, a rotating cylinder 12 and a fixed block 13. The connecting block 11 and the fixed block 13 are both isosceles right triangle structures. A right-angled surface of the connecting block is set on the external moving module, the rotating cylinder 12 is set on the inclined surface of the connecting block 11, and the inclined surface on the fixed block 13 is set at the output end of the rotating cylinder 12. The two clamping mechanisms are respectively vertically set on the right-angled surfaces of the fixed block 13. In this way, the two clamping mechanisms 20 can be driven to interchange positions after rotation, thereby realizing a loading and a unloading action at the same time, thereby improving the feeding rate of the product 100.

[0035] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. The electric tool housing positioning tool is characterized by: It includes a connecting structure arranged on a mobile module, and a clamping mechanism arranged on the connecting structure, the clamping mechanism includes a pneumatic clamp and a limiter, the limiter is arranged on one end of the pneumatic clamp close to a clamping jaw body, and the end of the clamping jaw body protrudes from the limiter to clamp inwardly or prop up outwardly a product that abuts against the lower end of the limiter.

2. The electric tool housing positioning tool according to claim 1, characterized in that: The limiting member includes a connecting plate, a connecting column and a pressure plate. The multiple connecting plates are respectively arranged between adjacent clamping claw bodies. The connecting column is vertically arranged on the connecting plate. The pressure plate is vertically arranged on the connecting column at one end away from the connecting plate to limit the distance that the product extends into the clamping claw body.

3. The electric tool housing positioning tool according to claim 2, characterized in that: The connecting plate includes a lower plate and an upper plate which are fixedly connected, and a through hole is respectively provided on the two plates. A limiting groove is provided on the side of the through hole on the lower plate. The connecting column includes a column body and a limiting ring arranged in the middle of the column body, and a spring is sleeved on the upper end of the limiting ring on the column body. The lower end and the upper end of the column body extend out of the through holes on the lower plate and the upper plate respectively, and the limiting ring and the spring are located in the limiting groove.

4. The electric tool housing positioning tool according to claim 3, characterized in that: The lower plate and / or the upper plate are provided with guide columns for the column to pass through.

5. The electric tool housing positioning tool according to claim 3, characterized in that: The lower plate and the upper plate are locked and connected by bolts.

6. The electric tool housing positioning tool according to any one of claims 2 to 5, characterized in that: The pneumatic clamp is a three-finger clamp; the number of the connecting plates is three, and the three connecting plates are arranged at equal angles.

7. The electric tool housing positioning tool according to claim 6, characterized in that: The three connecting plates are an integrally formed structure; the three pressing plates are an integrally formed structure.

8. The electric tool housing positioning tool according to claim 1, characterized in that: A clearance notch is provided on one side of the clamping jaw body away from the central axis of the pneumatic clamping jaw.

9. The electric tool housing positioning tool according to claim 1, characterized in that: There are two clamping mechanisms, and the two clamping mechanisms are arranged vertically.

10. The electric tool housing positioning tool according to claim 1 or 9, characterized in that: The connecting structure includes a connecting block, a rotating cylinder and a fixed block, both of which are isosceles right triangle structures. The rotating cylinder is arranged on the inclined surface of the connecting block, the inclined surface on the fixed block is arranged at the output end of the rotating cylinder, and the clamping mechanism is arranged on the right-angle surface of the fixed block.

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