Five-axis rear cover vacuum jig

Abstract

The utility model relates to the technical field of five-axis rear cover vacuum jigs, and discloses a five-axis rear cover vacuum jig which comprises a vacuum adsorption seat, a base is fixed to the bottom of the vacuum adsorption seat, a supporting rod is fixed to the top of the base, a top plate is fixed to the top of the supporting rod, a first air cylinder is fixed to the top of the top plate, and a second air cylinder is fixed to the top of the first air cylinder. According to the five-axis rear cover vacuum jig, by means of the arranged replacement assembly, when different machined products are machined, and the positioning plate needs to be replaced, a rack, a gear and a rotating rod are pushed to rotate at the moment, the rotating rod, a connecting plate, a movable plate and a clamping block are separated from a clamping groove to relieve limiting, and then the positioning plate can be normally taken out to be replaced; the short column is installed in the butt joint groove and enters the clamping groove through the movable plate, the connecting plate, the rotating rod, the volute spiral spring and the clamping block, at the moment, the positioning plate and the fixed plate are mutually limited, rapid installation is facilitated, different machining is facilitated, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to five -axle rear cover vacuum jig technical field, concretely is a five -axle rear cover vacuum jig. BACKGROUND

[0002] The rear cover side of mobile phone, tablet computer and other electronic equipment will be provided with key hole, data interface hole and other hole positions, when processing these hole positions, the rear cover must be positioned by using a jig, otherwise the processing quality will be affected.

[0003] According to a five -axle rear cover vacuum jig (announcement number: CN212653083U) disclosed, in the above application, the rear cover is placed in the groove of the vacuum adsorption seat, at this time, the key hole, data interface hole and other hole positions of the rear cover correspond to the processing holes outside the vacuum adsorption seat, and the back of the rear cover is adsorbed and positioned by the vacuum adsorption holes, forming one -axis positioning; then, the four -axis positioning structure extends into the groove of the vacuum adsorption seat, and the rectangular air cylinder drives the first positioning block, the second positioning block, the third positioning block and the fourth positioning block around to be pushed out outward, so that the first positioning block, the second positioning block, the third positioning block and the fourth positioning block are pressed on the four inner walls inside the rear cover respectively, and the four around of the rear cover are positioned in turn, forming four -axis positioning, and the first positioning block, the second positioning block, the third positioning block and the fourth positioning block are pressed against the four around of the rear cover respectively, and support is formed, so that the rear cover is stably positioned in the groove of the vacuum adsorption seat, so as to process the rear cover in the later period, and the processing quality can be ensured, and the rear cover will not be damaged, the working efficiency is improved, and the utility model has strong market competitiveness.

[0004] However, in the above application, the size and shape of different models of rear covers are quite different, and the positioning blocks need to be frequently replaced to meet production requirements, the existing scheme adopts the screw fastening + spring adjusting mode to fix the positioning blocks, and when replacing, the screws need to be disassembled one by one, which is tedious and time -consuming, and affects the production line rhythm, in the high -speed line changing (such as multi -variety small -batch production) scene, the traditional screw fixing mode becomes the bottleneck of production efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a five -axle rear cover vacuum jig to solve the problems in the above background technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a five-axis rear cover vacuum fixture, comprising a vacuum adsorption seat, a base fixed to the bottom of the vacuum adsorption seat, a support rod fixed to the top of the base, a top plate fixed to the top of the support rod, a cylinder one fixed to the top of the top plate, the output end of the cylinder one penetrating the top plate, a stabilizing plate fixed to the bottom of the output end of the cylinder one, the support rod penetrating the stabilizing plate, and the stabilizing plate and the support rod being slidably connected, a cylinder two fixed to the bottom of the stabilizing plate, a fixing plate fixed to the output end of the cylinder two, a positioning plate being snapped onto the side of the fixing plate away from the cylinder two, and replacement components and limiting components being provided on the surfaces of the positioning plate and the fixing plate;

[0007] The replacement component includes:

[0008] The docking groove is used to connect with short columns.

[0009] The slot is used to engage with the card block to fix the positioning plate and the fixing plate.

[0010] A cavity is used to stabilize its internal structure.

[0011] Preferably, the docking groove is formed on the side of the positioning plate near the fixed plate. A slot is formed on the inner wall of the docking groove. A short column is fixed to the side of the fixed plate near the positioning plate. A cavity is formed inside the short column, and a rotating rod is disposed inside the cavity. The rotating rod passes through the short column and the fixed plate, and is rotatably connected to the short column and the fixed plate. A connecting plate is fixed to the surface of the rotating rod. A movable plate is hinged to the end of the connecting plate away from the rotating rod. A locking block is hinged to the end of the movable plate away from the connecting plate. The locking block passes through the short column at the end away from the movable plate, and is slidably connected to the short column. The surface of the rotating rod is fixed... A spiral spring is fixed, with one end of the spiral spring away from the rotating rod fixed to the inner wall of the cavity. A movable groove is opened inside the fixed plate, and a gear is rotatably connected to the inner wall of the movable groove. The rotating rod passes through the gear and is fixedly connected to the gear. A rack is slidably connected to the inner wall of the movable groove. The rack meshes with the gear, pushing the rack, causing the gear and rotating rod to rotate. Through the rotating rod, connecting plate, and movable plate, the locking block disengages from the locking groove and releases its limit. During installation, the short column is installed into the docking groove. Through the movable plate, connecting plate, rotating rod, and spiral spring, the locking block enters the locking groove, thereby limiting the positioning plate and the fixed plate to each other.

[0012] Preferably, the limiting component includes an insertion hole on the surface of the rack, a stabilizing block fixed to the surface of the fixing plate, a groove on one end of the stabilizing block near the rack, an L-shaped rod slidably connected to the inner wall of the groove, a stabilizing groove on the inner side of the groove, and connecting grooves on both sides of the L-shaped rod. A connecting block is slidably connected to the inner wall of the connecting groove, and a spring is fixed to one end of the connecting block near the connecting groove. Two sets of stabilizing grooves are provided. Pushing the L-shaped rod causes it to enter the insertion hole, limiting the rack, gear, and rotating rod.

[0013] Preferably, the bottom of the vacuum adsorption seat and the base is provided with a vacuum adsorption hole, the surface of the vacuum adsorption seat is provided with a processing hole, and the surface of the positioning plate is provided with a clearance groove to facilitate the adsorption and fixation of the back cover.

[0014] Preferably, four sets of cylinder 2, fixing plate, and positioning plate are provided, and the four sets of cylinder 2, fixing plate, and positioning plate are arranged around the bottom of the stabilizing plate, which can position and fix the inner side of the rear cover.

[0015] Preferably, the end of the locking block away from the movable plate is set as an inclined surface, which allows the locking block to move into the cavity when it is pressed, facilitating docking.

[0016] Preferably, the cross-section of the end of the linkage block away from the spring is triangular. When the L-shaped rod moves, the linkage block can move into the slide groove without affecting the normal movement of the L-shaped rod.

[0017] Compared with the prior art, this utility model provides a five-axis rear cover vacuum fixture, which has the following features:

[0018] Beneficial effects:

[0019] 1. This five-axis rear cover vacuum fixture, through its replaceable components, allows for easy replacement of the positioning plate when processing different products. By pushing the rack, gear, and rotating rod, the positioning plate can be removed from its slot and released from its limit position via the rotating rod, connecting plate, and movable plate. During installation, the short column is inserted into the docking slot. The positioning plate and fixed plate are mutually limited, facilitating quick installation, adapting to different processing methods, and improving processing efficiency.

[0020] 2. This five-axis rear cover vacuum fixture, through the setting of limiting components, pushes the L-shaped rod so that the L-shaped rod enters the insertion hole, thereby limiting the rack, gear, and rotating rod. This can prevent the rack from moving accidentally during positioning work, which would affect the stability of the positioning plate and the fixed plate. Through the linkage block, stabilizing groove, and spring, the L-shaped rod can be stabilized to prevent the L-shaped rod from moving on its own, which would affect the connection stability of the positioning plate and the fixed plate. Attached Figure Description

[0021] Figure 1 This is a front view structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure of this utility model from below;

[0023] Figure 3 This is a partial exploded structural diagram of the present invention;

[0024] Figure 4 This is a schematic diagram of the internal structure of the replacement component and the limiting component of this utility model;

[0025] Figure 5 This is a cross-sectional view of the replacement components and limiting components of this utility model;

[0026] Figure 6 This is an exploded cross-sectional view of the replacement components and limiting components of this utility model.

[0027] In the diagram: 1. Vacuum adsorption seat; 2. Machining hole; 3. Base; 4. Support rod; 5. Top plate; 6. Cylinder 1; 7. Stabilizing plate; 10. Vacuum adsorption hole; 11. Cylinder 2; 12. Fixing plate; 13. Positioning plate; 8. Replacement component; 80. Docking groove; 81. Slot; 82. Short column; 83. Cavity; 84. Rotating rod; 85. Connecting plate; 86. Movable plate; 87. Locking block; 88. Scroll spring; 89. Movable groove; 800. Gear; 801. Rack; 9. Limiting component; 90. Insertion hole; 91. Stabilizing block; 92. Slide groove; 93. L-shaped rod; 94. Stabilizing groove; 95. Linkage groove; 96. Linkage block; 97. Spring. Detailed Implementation

[0028] like Figures 1-6 As shown, this utility model provides a technical solution: a five-axis rear cover vacuum fixture, including a vacuum adsorption seat 1, a base 3 fixed to the bottom of the vacuum adsorption seat 1, a support rod 4 fixed to the top of the base 3, a top plate 5 fixed to the top of the support rod 4, a cylinder 6 fixed to the top of the top plate 5, the output end of the cylinder 6 passing through the top plate 5, a stabilizing plate 7 fixed to the bottom of the output end of the cylinder 6, the support rod 4 passing through the stabilizing plate 7, and the stabilizing plate 7 and the support rod 4 being slidably connected, a cylinder 11 fixed to the bottom of the stabilizing plate 7, a fixing plate 12 fixed to the output end of the cylinder 11, a positioning plate 13 snapped onto the side of the fixing plate 12 away from the cylinder 11, and a replacement component 8 and a limiting component 9 provided on the surfaces of the positioning plate 13 and the fixing plate 12; the replacement component 8 includes: a docking groove 80, a slot 81, a short column 82, a cavity 83, a rotating rod 84, a connecting plate 85, a movable plate 86, a locking block 87, a spiral spring 88, a movable groove 89, a gear 800, and a rack 801.

[0029] A docking groove 80 is formed on the side of the positioning plate 13 near the fixed plate 12. A slot 81 is formed on the inner wall of the docking groove 80. A short column 82 is fixed on the side of the fixed plate 12 near the positioning plate 13. A cavity 83 is formed inside the short column 82. A rotating rod 84 is installed inside the cavity 83. The rotating rod 84 passes through the short column 82 and the fixed plate 12, and is rotatably connected to the short column 82 and the fixed plate 12. A connecting plate 85 is fixed to the surface of the rotating rod 84. A movable plate 86 is hinged to the end of the connecting plate 85 away from the rotating rod 84. A locking block 87 is hinged to the end of the movable plate 86 away from the connecting plate 85. The end of the locking block 87 away from the movable plate 86 passes through the short column 82, and is slidably connected to the short column 82. A spiral spring 88 is fixed to the surface of the rotating rod 84. The end of the spiral spring 88 away from the rotating rod 84 is fixed to the inner wall of the cavity 83. A movable groove 89 is formed inside the fixed plate 12. A gear 800 is rotatably connected to the inner wall of the groove 89. A rotating rod 84 passes through the gear 800 and is fixedly connected to the gear 800. A rack 801 is slidably connected to the inner wall of the movable groove 89. The rack 801 meshes with the gear 800. The end of the locking block 87 away from the movable plate 86 is set as an inclined surface. Pushing the rack 801, the gear 800 and the rotating rod 84 rotate. The rotating rod 84 drives the connecting plate 85 to rotate, pulling the movable plate 86 to flip, thereby pulling the locking block 87 into the cavity 83. The locking block 87 disengages from the locking groove 81 and is released from the limit. The positioning plate 13 can then be taken out normally for replacement. During installation, the short column 82 is installed into the docking groove 80. Through the movable plate 86, the connecting plate 85, the rotating rod 84 and the spiral spring 88, the locking block 87 enters the locking groove 81, thereby limiting the positioning plate 13 and the fixed plate 12 to each other. This facilitates quick installation, adapts to different processing, and improves processing efficiency.

[0030] The limiting component 9 includes a socket 90, which is formed on the surface of the rack 801. A stabilizing block 91 is fixed on the surface of the fixing plate 12. A groove 92 is formed at one end of the stabilizing block 91 near the rack 801. An L-shaped rod 93 is slidably connected to the inner wall of the groove 92. A stabilizing groove 94 is formed on the inner side of the groove 92. Linkage grooves 95 are formed on both sides of the L-shaped rod 93. Linkage blocks 96 are slidably connected to the inner wall of the linkage groove 95. A spring 97 is fixed at one end of the linkage block 96 near the linkage groove 95. Two sets of stabilizing grooves 94 are provided. The cross-section of the end of the linkage block 96 away from the spring 97 is triangular. Pushing the L-shaped rod 93 causes it to enter the socket 90, which limits the rack 801, gear 800, and rotating rod 84. This can prevent the rack 801 from moving accidentally during positioning, thus affecting the stability of the positioning plate 13 and the fixing plate 12.

[0031] Vacuum adsorption seat 1 and base 3 have vacuum adsorption holes 10 at their bottoms. Vacuum adsorption seat 1 has machining holes 2 on its surface. Positioning plate 13 has clearance grooves on its surface. There are four sets of cylinder 2 11, fixing plate 12 and positioning plate 13. The four sets of cylinder 2 11, fixing plate 12 and positioning plate 13 are arranged around the bottom of the stabilizing plate 7 to facilitate five-axis positioning and fixing of the back cover and facilitate subsequent processing.

[0032] During processing, the back cover is placed into the vacuum adsorption seat 1. At this time, cylinder 6 is activated, which simultaneously moves the stabilizing plate 7, cylinder 11, fixing plate 12, and positioning plate 13 downwards, allowing the fixing plate 12 and positioning plate 13 to enter the vacuum adsorption seat 1. Then, cylinder 11 is activated, causing the fixing plate 12 to move the positioning plate 13 closer to the inside of the back cover, thus fixing the back cover in four directions. Simultaneously, the back cover is adsorbed and positioned through the vacuum adsorption holes 10, achieving five-axis positioning and fixation, facilitating processing. When different processing requirements necessitate changing the positioning plate 13, the L-shaped rod 93 is pulled, disengaging it from the insertion hole 90. Simultaneously, the surface of the connecting block 96 abuts against the inner wall of the stabilizing groove 94, causing the connecting block 96 to move into the sliding groove 92. The spring 97 is compressed. When the position of the connecting block 96 is parallel to another set of stabilizing grooves 94, the spring 97 is released, allowing the connecting block 96 to enter the stabilizing groove 94, stabilizing the L-shaped rod 93 and preventing it from shifting on its own. At this point, the rack 801 is pushed, driving the gear 800 to rotate. When rod 84 rotates, it drives connecting plate 85 to rotate, pulling movable plate 86 to flip, thereby pulling block 87 into cavity 83. At this time, block 87 disengages from slot 81 and is released from its limit, allowing positioning plate 13 to be removed for replacement. During installation, short post 82 is installed into docking slot 80. At this time, the surface of short post 82 abuts against the inclined surface of block 87, and block 87 moves into cavity 83. Motion via movable plate 86 and connecting plate 85 causes rod 84 to rotate, and spiral spring 88 coils up. When block 87 is in position with... When the slot 81 is parallel, the spiral spring 88 is released, allowing the locking block 87 to enter the slot 81 via the connecting plate 85 and the movable plate 86. This causes the positioning plate 13 and the fixed plate 12 to be mutually limited, facilitating quick installation and adapting to different processing methods. At the same time, pushing the L-shaped rod 93 allows it to enter the insertion hole 90, which limits the rack 801, gear 800, and rotating rod 84. This prevents the rack 801 from moving accidentally during positioning, thus ensuring the stability of the positioning plate 13 and the fixed plate 12.

[0033] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A five-axis back cover vacuum fixture comprising a vacuum suction seat (1), characterized in that: The bottom of the vacuum adsorption seat (1) is fixedly connected with a base (3), the top of the base (3) is fixedly connected with a supporting rod (4), the top of the supporting rod (4) is fixedly connected with a top plate (5), the top of the top plate (5) is fixedly connected with a cylinder I (6), the output end of the cylinder I (6) penetrates through the top plate (5), the bottom of the output end of the cylinder I (6) is fixedly connected with a stabilizing plate (7), the supporting rod (4) penetrates through the stabilizing plate (7), and the stabilizing plate (7) is in sliding connection with the supporting rod (4), the bottom of the stabilizing plate (7) is fixedly connected with a cylinder II (11), the output end of the cylinder II (11) is fixedly connected with a fixed plate (12), the side, away from the cylinder II (11), of the fixed plate (12) is clamped with a positioning plate (13), and the positioning plate (13) and the fixed plate (12) are provided with a replacement assembly (8) and a limiting assembly (9); The replacement assembly (8) comprises: The butt joint groove (80) is used for butt joint with the short column (82); The clamping groove (81) is used for cooperating with the clamping block (87) to fix the positioning plate (13) and the fixed plate (12); The cavity (83) is used for stabilizing the internal mechanism.

2. The five-axis back cover vacuum fixture of claim 1, wherein: The butt joint groove (80) is arranged on the side, close to the fixed plate (12), of the positioning plate (13), the inner wall of the butt joint groove (80) is provided with the clamping groove (81), the side, close to the positioning plate (13), of the fixed plate (12) is fixedly connected with the short column (82), the inside of the short column (82) is provided with the cavity (83), the inside of the cavity (83) is provided with the rotating rod (84), the rotating rod (84) penetrates through the short column (82) and the fixed plate (12), and the rotating rod (84) is in rotational connection with the short column (82) and the fixed plate (12), the surface of the rotating rod (84) is fixedly connected with the connecting plate (85), the end, away from the rotating rod (84), of the connecting plate (85) is hingedly connected with the movable plate (86), the end, away from the connecting plate (85), of the movable plate (86) is hingedly connected with the clamping block (87), the end, away from the movable plate (86), of the clamping block (87) penetrates through the short column (82), and the clamping block (87) is in sliding connection with the short column (82), the surface of the rotating rod (84) is fixedly connected with the volute spring (88), the end, away from the rotating rod (84), of the volute spring (88) is fixedly connected to the inner wall of the cavity (83), the inside of the fixed plate (12) is provided with the movable slot (89), the inner wall of the movable slot (89) is rotatably connected with the gear (800), the rotating rod (84) penetrates through the gear (800), and the rotating rod (84) is fixedly connected with the gear (800), and the inner wall of the movable slot (89) is in sliding connection with the rack (801), and the rack (801) is in meshing connection with the gear (800).

3. The five-axis back cover vacuum fixture of claim 2, wherein: The limiting assembly (9) comprises a socket (90) which is arranged on the surface of the rack (801), the surface of the fixed plate (12) is fixed with a stabilizing block (91), the stabilizing block (91) is arranged with a sliding groove (92) near one end of the rack (801), the inner wall of the sliding groove (92) is slidably connected with an L-shaped rod (93), the inner side of the sliding groove (92) is arranged with a stabilizing groove (94), the two sides of the L-shaped rod (93) are arranged with a linkage groove (95), the inner wall of the linkage groove (95) is slidably connected with a linkage block (96), the end of the linkage block (96) near the linkage groove (95) is fixed with a spring (97), and the stabilizing groove (94) is provided with two groups.

4. The five-axis back cover vacuum fixture of claim 1, wherein: The vacuum adsorption seat (1) and the bottom of the base (3) are arranged with a vacuum adsorption hole (10), the surface of the vacuum adsorption seat (1) is arranged with a processing hole (2), and the surface of the positioning plate (13) is arranged with a giving slot.

5. The five-axis back cover vacuum fixture of claim 1, wherein: The four groups of the second air cylinder (11), the fixed plate (12) and the positioning plate (13) are arranged at the bottom of the stabilizing plate (7).

6. The five-axis back cover vacuum fixture of claim 2, wherein: The end of the clamping block (87) away from the movable plate (86) is arranged as an inclined surface.

7. The five-axis back cover vacuum fixture of claim 3, wherein: The end of the linkage block (96) away from the spring (97) is triangular in cross section.

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