Locating clamp for drilling side holes of aluminum alloy circular profile

Abstract

The utility model discloses an aluminum alloy circular profile side hole drilling positioning clamp which comprises a rotating mechanism and a pressing mechanism, the rotating mechanism comprises a rotary table, a fixing flange and a positioning block, the fixing flange is arranged on the rotary table and used for being inserted into a port of an aluminum alloy circular profile to support the inner wall of the aluminum alloy circular profile, and the positioning block is arranged on the fixing flange and used for being inserted into the port of the aluminum alloy circular profile to support the inner wall of the aluminum alloy circular profile. The positioning block is used for being inserted into a clamping groove in an end opening of the aluminum alloy circular profile so as to circumferentially position the aluminum alloy circular profile, and the rotary table is used for driving the aluminum alloy circular profile to rotate; the pressing mechanism comprises a first air cylinder, a pressing head and a transmission assembly, the pressing head is rotationally connected with a telescopic rod of the first air cylinder through the transmission assembly, and the first air cylinder drives the pressing head to press the end wall of the aluminum alloy circular profile so as to axially position the aluminum alloy circular profile. According to the side hole drilling and positioning clamp for the aluminum alloy circular profile, the workpiece can be axially and circumferentially positioned under the condition that the workpiece is allowed to rotate, the workpiece is prevented from rotating and deviating, and the machining precision of the workpiece is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, especially relates to aluminium alloy round section material side hole drilling positioning fixture. BACKGROUND

[0002] The microphone is the electronic product that we are common in daily life, the microphone's mark head is the main part of microphone, because the product function needs, the 360 degrees outer circumferential surface of microphone's mark head has many side holes, the end surface of microphone's mark head has a plurality of end surface holes.

[0003] The common microphone's mark head is processed from aluminium alloy round section material, specifically, one end of aluminium alloy round section material has the port that sets up openly, the port of aluminium alloy round section material has a plurality of clamping grooves, the other end of aluminium alloy round section material has end wall, the side hole of mark head needs to use processing equipment and drills on the outer circumferential surface of aluminium alloy round section material.

[0004] However, the mark head of microphone needs to rotate workpiece when processing side hole, the existing fixture is difficult to position workpiece axially and circumferentially, leading to easy rotation deviation. UTILITY MODEL CONTENTS

[0005] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides aluminium alloy round section material side hole drilling positioning fixture, can position workpiece axially and circumferentially under the condition that workpiece is allowed to rotate, avoid workpiece rotation deviation, improve the processing precision of workpiece.

[0006] According to the aluminium alloy round section material side hole drilling positioning fixture provided by the utility model embodiment, the aluminium alloy round section material side hole drilling positioning fixture has the following beneficial effects:

[0007] The rotating mechanism includes a rotary table, a fixed flange and a positioning block, the fixed flange is arranged on the rotary table, the fixed flange is used for inserting the port of the aluminium alloy round section material to support the inner wall of the aluminium alloy round section material, the positioning block is arranged on the fixed flange, the positioning block is used for inserting the clamping groove of the port of the aluminium alloy round section material to position the aluminium alloy round section material circumferentially, and the rotary table is used for driving the aluminium alloy round section material to rotate.

[0008] The pressing mechanism includes a first air cylinder, a pressure head and a transmission assembly, the pressure head is rotationally connected with the telescopic rod of the first air cylinder through the transmission assembly, and the first air cylinder drives the pressure head to press the end wall of the aluminium alloy round section material to position the aluminium alloy round section material axially.

[0009] According to the aluminium alloy round section material side hole drilling positioning fixture provided by the utility model embodiment, the aluminium alloy round section material side hole drilling positioning fixture has the following beneficial effects:

[0010] 1.The utility model discloses a rotating mechanism is set up, rotating mechanism includes rotating table, fixed flange and locating block, fixed flange sets up on rotating table, and fixed flange is used for inserting the port of aluminum alloy round section material to support the inner wall of aluminum alloy round section material, and locating block sets up on fixed flange, and locating block is used for inserting the clamping groove of the port of aluminum alloy round section material to position the circumference of aluminum alloy round section material, and rotating table is used to drive aluminum alloy round section material to rotate, can understand, and fixed flange is used for inserting the port of aluminum alloy round section material, so that fixed flange can support the inner wall of aluminum alloy round section material, thereby supporting aluminum alloy round section material, when fixed flange inserts the port of aluminum alloy round section material, the locating block on fixed flange can insert the clamping groove of the port of aluminum alloy round section material, so that locating block and clamping groove cooperate and position the circumference of aluminum alloy round section material, prevent aluminum alloy round section material from rotating relative to fixed flange, thereby, when rotating table drives fixed flange to rotate, fixed flange can drive aluminum alloy round section material to rotate simultaneously, conveniently rotate aluminum alloy round section material and fix the angle of aluminum alloy round section material, and further, conveniently process side hole on the 360 degree outer circumferential surface of aluminum alloy round section material.

[0011] 2.The utility model discloses a pressing mechanism is set up, and the pressing mechanism includes first air cylinder, pressure head and transmission assembly, and the pressure head is rotatably connected with the telescopic rod of first air cylinder through transmission assembly, and first air cylinder drives pressure head to press the end wall of aluminum alloy round section material to position the axial direction of aluminum alloy round section material, can understand, and first air cylinder drives pressure head to press the end wall of aluminum alloy round section material, so that pressure head and rotating mechanism cooperate and hold the two ends of aluminum alloy round section material to position the axial direction of aluminum alloy round section material, simultaneously, the pressure head is rotatably connected with the telescopic rod of first air cylinder through transmission assembly, so that when pressure head presses the end wall of aluminum alloy round section material, can still rotate relative to the telescopic rod of first air cylinder, thereby, make pressure head can rotate along with the rotation of aluminum alloy round section material, avoid the end wall of aluminum alloy round section material after pressure head pressing to hinder rotating table driving aluminum alloy round section material to rotate, and further, make the pressing mechanism can press the axial direction of aluminum alloy round section material under the condition of not hindering the rotation of aluminum alloy round section material.

[0012] 3.The utility model discloses a rotating mechanism and pressing mechanism are set up, so that the clamp can position the axial direction and circumference of aluminum alloy round section material under the condition of allowing aluminum alloy round section material to rotate, avoid the rotation deviation of aluminum alloy round section material, improve the processing accuracy of aluminum alloy round section material.

[0013] According to some embodiments of the utility model, the transmission assembly includes a connecting rod, a rotating shaft, and a face bearing. One end of the connecting rod is connected to the telescopic rod of the first air cylinder. The other end of the connecting rod has a first mounting hole. The rotating shaft is rotatably arranged in the first mounting hole. The face bearing is arranged in the first mounting hole. The two ends of the face bearing are respectively used to abut against one end of the rotating shaft located in the first mounting hole and the end wall of the first mounting hole. The other end of the rotating shaft is connected to the pressure head.

[0014] Beneficially, the utility model discloses a transmission assembly including connecting rod, rotating shaft and end face bearing, one end of connecting rod is connected telescopic rod of first cylinder, the other end of connecting rod has first mounting hole, rotating shaft is rotationally arranged in first mounting hole, end face bearing is arranged in first mounting hole, and the both ends of end face bearing are respectively used for abutting the one end of rotating shaft in first mounting hole and the end wall of first mounting hole, and the other end of rotating shaft is connected with pressure head, and it can be understood that end face bearing is arranged between the end wall of first mounting hole and one end of rotating shaft, when first cylinder drives pressure head to press tightly aluminum alloy round material, the both ends of end face bearing can abut the one end of rotating shaft in first mounting hole and the end wall of first mounting hole respectively, thereby, it is favorable to reduce the frictional resistance between the end of rotating shaft and the end wall of first mounting hole, and further, make rotating shaft can relatively rotate with connecting rod, realize that pressure head can be under the condition that aluminum alloy round material is rotated to the axial compression of aluminum alloy round material.

[0015] According to some embodiments of the utility model, one of the first mounting hole and the rotating shaft is provided with a ring groove, the other of the first mounting hole and the rotating shaft is provided with a latch, the latch is arranged along the radial direction of the rotating shaft, and the latch and the ring groove are matched to prevent disengagement.

[0016] Beneficially, the utility model discloses that one of first mounting hole and rotating shaft is provided with ring groove, and the other of first mounting hole and rotating shaft is provided with latch, and the latch is arranged along the radial direction of rotating shaft, and the latch and ring groove are matched to prevent disengagement, and it can be understood that the ring groove can limit the latch, thereby preventing the rotating shaft from disengaging from the first mounting hole.

[0017] According to some embodiments of the utility model, the ring groove is arranged on the outer circumferential surface of the rotating shaft, the connecting rod has a second mounting hole penetrating the side wall of the first mounting hole, and the second mounting hole is used for mounting the latch.

[0018] Beneficially, the utility model discloses that the ring groove is arranged on the outer circumferential surface of the rotating shaft, the connecting rod has a second mounting hole penetrating the side wall of the first mounting hole, and the second mounting hole is used for mounting the latch, thereby, it is convenient to insert the latch into the first mounting hole from the second mounting hole outside the connecting rod and into the ring groove, and further, the installation of the latch is facilitated.

[0019] According to some embodiments of the utility model, the latch is provided with at least two.

[0020] Beneficially, the utility model discloses that at least two latches are arranged, thereby making the cooperation of the ring groove and the latch more stable.

[0021] According to some embodiments of the utility model, still include bottom plate, be provided with support frame on the bottom plate, first cylinder is fixed on the support frame, still be provided with guide sleeve on the support frame, connecting rod with guide sleeve sliding connection.

[0022] Beneficially, the utility model discloses a bottom plate is set up, and the bottom plate is provided with support frame, and the first cylinder is fixed on the support frame, and the support frame is also provided with guide sleeve, and connecting rod and guide sleeve sliding connection, thereby, make the movement of connecting rod more stable.

[0023] According to some embodiments of the utility model, the support frame includes a backing plate, a vertical plate fixed on the backing plate, and a reinforcing rib, the first cylinder and the guide sleeve are arranged on the vertical plate, and the reinforcing rib supports one side of the vertical plate away from the rotating mechanism.

[0024] Beneficially, the utility model discloses that the support frame includes a backing plate, a vertical plate fixed on the backing plate, and a reinforcing rib, the first cylinder and the guide sleeve are arranged on the vertical plate, and the reinforcing rib supports one side of the vertical plate away from the rotating mechanism.

[0025] According to some embodiments of the utility model, the material of the pressure head is plastic.

[0026] Beneficially, the utility model discloses that the material of the pressure head is plastic, thereby, can avoid the pressure head to press the injury aluminum alloy round section bar.

[0027] According to some embodiments of the utility model, the positioning block is provided with at least two, and at least two positioning blocks are matched with the two clamping grooves of the port of the aluminum alloy round section bar to prevent error.

[0028] Beneficially, the utility model discloses that at least two positioning blocks are set up, and at least two positioning blocks are matched with the two clamping grooves of the port of the aluminum alloy round section bar to prevent error, thereby, avoid the installation angle error of aluminum alloy round section bar on fixed flange.

[0029] According to some embodiments of the utility model, the rotating mechanism further includes a bearing seat and a first motor, the first motor is arranged on the bearing seat, and the first motor is used to drive the rotating platform to rotate.

[0030] Beneficially, the utility model discloses that the rotating mechanism further includes a bearing seat and a first motor, the first motor is arranged on the bearing seat, and the first motor is used to drive the rotating platform to rotate, thereby, the first motor drives the rotating platform to rotate conveniently.

[0031] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0032] To more clearly illustrate the technical solutions of the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of the aluminum alloy round profile side hole drilling positioning fixture according to an embodiment of the present invention;

[0034] Figure 2 for Figure 1 The top view shown;

[0035] Figure 3 for Figure 2 The AA section view shown;

[0036] Figure 4 for Figure 3 The enlarged view at point B is shown.

[0037] Reference numerals: 100-Rotating mechanism, 110-Turntable, 120-Fixed flange, 130-Positioning block, 140-Aluminum alloy round profile, 150-Slot, 160-Pressure mechanism, 170-First cylinder, 180-Pressure head, 190-Transmission assembly, 200-Connecting rod, 210-Rotating shaft, 220-End face bearing, 230-First mounting hole, 240-Annular groove, 250-Pin, 260-Second mounting hole, 270-Base plate, 280-Support frame, 290-Guide sleeve, 300-Pad plate, 310-Vertical plate, 320-Reinforcing rib, 330-Support seat, 340-First motor. Detailed Implementation

[0038] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0039] In the description of the utility model, it is necessary to understand that the direction description, such as the direction or positional relation of the indication such as upper, lower, front, back, left, right etc. for the direction or positional relation shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as a limitation on the utility model.

[0040] In the description of the utility model, the meaning of several is one or more, and the meaning of multiple is more than two, and greater than, less than, more than, etc. are understood as not including the number, and above, below, within, etc. are understood as including the number. If the first and the second are described, this is only for the purpose of distinguishing technical features, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0041] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the term "mounting, connection and connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0042] The aluminum alloy round bar side hole drilling positioning clamp according to the embodiments of the utility model will be described below with reference to the drawings.

[0043] Referring to Figure 1 The utility model aims at providing an embodiment of aluminum alloy round bar side hole drilling positioning clamp.

[0044] Referring to Figure 2 And Figure 3 In the embodiment, the aluminum alloy round bar side hole drilling positioning clamp mainly comprises rotating mechanism 100 and pressing mechanism 160.

[0045] For rotating mechanism 100, rotating mechanism 100 comprises rotating table 110, fixed flange 120 and positioning block 130, fixed flange 120 is arranged on rotating table 110, fixed flange 120 is used for inserting the port of aluminum alloy round bar 140 to support the inner wall of aluminum alloy round bar 140, positioning block 130 is arranged on fixed flange 120, positioning block 130 is used for inserting the clamping groove 150 of the port of aluminum alloy round bar 140 to position the circumference of aluminum alloy round bar 140, and rotating table 110 is used to drive aluminum alloy round bar 140 to rotate.

[0046] It can be understood that the fixed flange 120 is used to insert the port of the aluminum alloy round profile 140, so that the fixed flange 120 can support the inner wall of the aluminum alloy round profile 140, thereby supporting the aluminum alloy round profile 140. When the fixed flange 120 is inserted into the port of the aluminum alloy round profile 140, the positioning block 130 on the fixed flange 120 can be inserted into the clamping groove 150 of the port of the aluminum alloy round profile 140, so that the positioning block 130 cooperates with the clamping groove 150 to position the aluminum alloy round profile 140 circumferentially, preventing the aluminum alloy round profile 140 from rotating relative to the fixed flange 120, so that when the rotating table 110 drives the fixed flange 120 to rotate, the fixed flange 120 can drive the aluminum alloy round profile 140 to rotate synchronously, facilitating the rotation of the aluminum alloy round profile 140 and the fixation of the angle of the aluminum alloy round profile 140, and further facilitating the machining of the side hole on the 360-degree outer circumferential surface of the aluminum alloy round profile 140.

[0047] In some specific embodiments, the positioning block 130 is provided with at least two, and the at least two positioning blocks 130 cooperate with the two clamping grooves 150 of the port of the aluminum alloy round profile 140 to prevent errors, thereby avoiding the installation angle error of the aluminum alloy round profile 140 on the fixed flange 120.

[0048] In some specific embodiments, the rotating mechanism 100 further comprises a support seat 330 and a first motor 340, the first motor 340 being arranged on the support seat 330, and the first motor 340 being used to drive the rotating table 110 to rotate, thereby facilitating the rotation of the rotating table 110 driven by the first motor 340.

[0049] Referring to Figure 4 For the pressing mechanism 160, the pressing mechanism 160 comprises a first air cylinder 170, a pressing head 180 and a transmission assembly 190, the pressing head 180 being rotatably connected with the telescopic rod of the first air cylinder 170 through the transmission assembly 190, and the first air cylinder 170 driving the pressing head 180 to press the end wall of the aluminum alloy round profile 140 to axially position the aluminum alloy round profile 140.

[0050] It can be understood that the first cylinder 170 drives the pressure head 180 to press the end wall of the aluminum alloy round profile 140, so that the pressure head 180 and the rotating mechanism 100 cooperatively clamp and fix the two ends of the aluminum alloy round profile 140 to axially position the aluminum alloy round profile 140, and the pressure head 180 is rotationally connected with the telescopic rod of the first cylinder 170 through the transmission assembly 190, so that the pressure head 180 can still rotate relative to the telescopic rod of the first cylinder 170 after pressing the end wall of the aluminum alloy round profile 140, thereby enabling the pressure head 180 to rotate with the aluminum alloy round profile 140, avoiding the pressure head 180 from hindering the rotation of the aluminum alloy round profile 140 driven by the rotating table 110, and further enabling the pressing mechanism 160 to axially press the aluminum alloy round profile 140 without hindering the rotation of the aluminum alloy round profile 140.

[0051] Specifically, the transmission assembly 190 includes a connecting rod 200, a rotating shaft 210, and a face bearing 220, one end of the connecting rod 200 is connected with the telescopic rod of the first cylinder 170, the other end of the connecting rod 200 is provided with a first mounting hole 230, the rotating shaft 210 is rotationally arranged in the first mounting hole 230, and the face bearing 220 is arranged in the first mounting hole 230, both ends of the face bearing 220 are respectively used for abutting against one end of the rotating shaft 210 located in the first mounting hole 230 and the end wall of the first mounting hole 230, and the other end of the rotating shaft 210 is connected with the pressure head 180.

[0052] It can be understood that the face bearing 220 is arranged between the end wall of the first mounting hole 230 and one end of the rotating shaft 210, when the first cylinder 170 drives the pressure head 180 to press the aluminum alloy round profile 140, both ends of the face bearing 220 can abut against one end of the rotating shaft 210 located in the first mounting hole 230 and the end wall of the first mounting hole 230 respectively, thereby facilitating the reduction of the frictional resistance between the end of the rotating shaft 210 and the end wall of the first mounting hole 230, and further enabling the rotating shaft 210 to rotate relative to the connecting rod 200, so that the pressure head 180 can axially press the aluminum alloy round profile 140 under the condition of allowing the aluminum alloy round profile 140 to rotate.

[0053] Further, one of the first mounting hole 230 and the rotating shaft 210 is provided with a ring groove 240, and the other of the first mounting hole 230 and the rotating shaft 210 is provided with a snap pin 250, the snap pin 250 is arranged along the radial direction of the rotating shaft 210, and the snap pin 250 and the ring groove 240 cooperate to prevent disengagement.

[0054] It can be understood that the ring groove 240 can limit the position of the snap pin 250, thereby preventing the rotating shaft 210 from disengaging from the first mounting hole 230.

[0055] Further, the ring groove 240 is arranged on the outer circumferential surface of the rotating shaft 210, the connecting rod 200 is provided with a second mounting hole 260 penetrating the side wall of the first mounting hole 230, and the second mounting hole 260 is used for mounting the pin 250, so that the pin is conveniently inserted into the first mounting hole 230 from the outside of the connecting rod 200 and clamped into the ring groove 240, and the installation of the pin is facilitated.

[0056] In some specific embodiments, the pin 250 is provided with at least two.

[0057] The embodiment is provided with at least two pins 250, so that the cooperation between the ring groove 240 and the pin 250 is more stable.

[0058] In some specific embodiments, the bottom plate 270 is further provided, the support frame 280 is arranged on the bottom plate 270, the first air cylinder 170 is fixed on the support frame 280, the guide sleeve 290 is further arranged on the support frame 280, and the connecting rod 200 is in sliding connection with the guide sleeve 290.

[0059] The embodiment is provided with the bottom plate 270, the support frame 280 is arranged on the bottom plate 270, the first air cylinder 170 is fixed on the support frame 280, the guide sleeve 290 is further arranged on the support frame 280, and the connecting rod 200 is in sliding connection with the guide sleeve 290, so that the movement of the connecting rod 200 is more stable.

[0060] Further, the support frame 280 comprises the base plate 300, the vertical plate 310 fixed on the base plate 300, and the reinforcing rib 320, the first air cylinder 170 and the guide sleeve 290 are arranged on the vertical plate 310, and the reinforcing rib 320 supports the side of the vertical plate 310 away from the rotating mechanism 100.

[0061] It can be understood that when the first air cylinder 170 drives the pressure head 180 to press the aluminum alloy round profile 140, the pressure head 180 will be subjected to the reaction force of the aluminum alloy round profile 140, so that the vertical plate 310 will be subjected to the action force away from the rotating mechanism 100, the reinforcing rib 320 is arranged on the side of the vertical plate 310 away from the rotating mechanism 100, and the reinforcing rib 320 can support the side of the vertical plate 310, which is beneficial to make the vertical plate 310 more stable.

[0062] Further, the reinforcing rib 320 is provided with two, and the two reinforcing ribs 320 are arranged on the two sides of the first air cylinder 170 respectively, so that the two reinforcing ribs 320 cooperate to support the vertical plate 310 more balanced.

[0063] In some specific embodiments, the material of the pressure head 180 is plastic, so that the pressure head 180 can avoid pressing the aluminum alloy round profile 140.

[0064] The embodiment sets the rotating mechanism 100 and the pressing mechanism 160, so that the clamp can position the aluminum alloy round material 140 in the axial and circumferential directions under the condition of allowing the aluminum alloy round material 140 to rotate, avoids the rotation deviation of the aluminum alloy round material 140, and improves the machining precision of the aluminum alloy round material 140.

[0065] In the description of the present specification, the description of the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples, or some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] The terms "first, second, third, fourth" and the like (if any) in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein.

[0067] It should also be noted that in the description of the present specification, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or sequence between the entities or operations.

[0068] In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device including a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but can also include other steps or units not clearly listed or inherent to the process, method, product, or device.

[0069] Moreover, the terms "include", "contain" or any other variation thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitation, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0070] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the knowledge range that the person skilled in the art has possesses.

Claims

1. A positioning jig for drilling a side hole in an aluminum alloy round section, characterized by, The utility model relates to a rotating mechanism (100) and a pressing mechanism (160), and the rotating mechanism (100) comprises a rotating table (110), a fixed flange (120) and a positioning block (130), the fixed flange (120) is arranged on the rotating table (110), the fixed flange (120) is used for inserting the port of the aluminum alloy round material (140) to support the inner wall of the aluminum alloy round material (140), the positioning block (130) is arranged on the fixed flange (120), the positioning block (130) is used for inserting the clamping groove (150) of the port of the aluminum alloy round material (140) to position the aluminum alloy round material (140) circumferentially, and the rotating table (110) is used to drive the aluminum alloy round material (140) to rotate. The pressing mechanism (160) comprises a first air cylinder (170), a pressing head (180) and a transmission assembly (190), the pressing head (180) is rotationally connected with the telescopic rod of the first air cylinder (170) through the transmission assembly (190), and the first air cylinder (170) drives the pressing head (180) to press the end wall of the aluminum alloy round material (140) to axially position the aluminum alloy round material (140). The transmission assembly (190) comprises a connecting rod (200), a rotating shaft (210) and an end face bearing (220), one end of the connecting rod (200) is connected with the telescopic rod of the first air cylinder (170), the other end of the connecting rod (200) is provided with a first mounting hole (230), the rotating shaft (210) is rotationally arranged in the first mounting hole (230), the end face bearing (220) is arranged in the first mounting hole (230), and the two ends of the end face bearing (220) are respectively used for abutting against one end of the rotating shaft (210) located in the first mounting hole (230) and the end wall of the first mounting hole (230).

2. The aluminum alloy round shape side hole drilling positioning fixture according to claim 1, characterized by, One of the first mounting hole (230) and the rotating shaft (210) is provided with a ring groove (240), the other of the first mounting hole (230) and the rotating shaft (210) is provided with a clamping pin (250), the clamping pin (250) is arranged along the radial direction of the rotating shaft (210), and the clamping pin (250) and the ring groove (240) are matched to prevent the clamping pin (250) from being separated from the ring groove (240).

3. The aluminum alloy round shape side hole drilling positioning fixture according to claim 2, characterized by, The ring groove (240) is arranged on the outer circumferential surface of the rotating shaft (210), the connecting rod (200) is provided with a second mounting hole (260) penetrating through the side wall of the first mounting hole (230), and the second mounting hole (260) is used for mounting the clamping pin (250).

4. The aluminum alloy round shape side hole drilling positioning fixture according to claim 3, characterized by, The clamping pin (250) is provided with at least two.

5. The aluminum alloy round shape side hole drilling positioning fixture according to claim 3, characterized by, The utility model also comprises a bottom plate (270), the bottom plate (270) is provided with a support frame (280), the first air cylinder (170) is fixed on the support frame (280), the support frame (280) is further provided with a guide sleeve (290), and the connecting rod (200) is slidably connected with the guide sleeve (290).

6. The aluminum alloy round shape side hole drilling fixture according to claim 2, characterized by, ​ 7. The aluminum alloy round shape side hole drilling fixture according to claim 6, characterized by, The support frame (280) comprises a base plate (300), a vertical plate (310) fixed on the base plate (300), and a reinforcing rib (320), the first cylinder (170) and the guide sleeve (290) are arranged on the vertical plate (310), and the reinforcing rib (320) supports one side of the vertical plate (310) away from the rotating mechanism (100).

8. The aluminum alloy round shape side hole drilling fixture according to claim 1, characterized by, The material of the pressure head (180) is plastic.

9. The aluminum alloy round shape side hole drilling fixture according to claim 1, characterized by, The positioning block (130) is provided with at least two, and the at least two positioning blocks (130) are matched with two clamping grooves (150) of the port of the aluminum alloy round material (140) to prevent errors.

10. The aluminum alloy round shape side hole drilling fixture according to claim 1, characterized by, The rotating mechanism (100) further comprises a supporting seat (330) and a first motor (340), the first motor (340) is arranged on the supporting seat (330), and the first motor (340) is used for driving the rotating table (110) to rotate.

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