Middle frame jig

Abstract

The utility model relates to the technical field of jigs, and discloses a middle frame jig, which comprises a base station, a base plate, a base plate, a positioning block and a positioning block, the first adjusting block and the positioning block are oppositely arranged in the first direction; the second adjusting block and the positioning block are oppositely arranged in the second direction, and the extending direction of the second adjusting block and the extending direction of the first adjusting block are connected at a target position; the third adjusting block is diagonally arranged relative to the positioning block and the target position, and the third adjusting block is suitable for clamping the product middle frame together with the first adjusting block and the second adjusting block; one end of the adjusting mechanism is arranged on the base table, the other end of the adjusting mechanism is connected with the third adjusting block, and the adjusting mechanism is suitable for adjusting the relative position of the third adjusting block in the diagonal direction of the positioning block. The middle frame jig provided by the utility model can be adapted to different types of product middle frames, the compatibility of the jig is improved, the jig is convenient to switch, the production efficiency is improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of jigs, and in particular to a middle frame jig. Background Art

[0002] After CNC machining of mobile phone plastic midframes, a large number of burrs remain. Dry ice is used to remove these burrs. The development of dry ice jigs can improve dry ice adjustment efficiency and reduce jig costs. However, due to the current differences in dry ice jigs required for different mobile phone midframe types, compatibility is low, making switching between jigs inconvenient and impacting production efficiency. Utility Model Content

[0003] In view of this, the present invention provides a middle frame jig to solve the problem that dry ice jigs have low compatibility, are inconvenient to switch, and affect production efficiency.

[0004] The utility model provides a middle frame fixture, comprising:

[0005] A base, on which a positioning block is provided, which is suitable for supporting and positioning the product midframe;

[0006] The first adjusting block is arranged opposite to the positioning block along a first direction; the second adjusting block is arranged opposite to the positioning block along a second direction, and the extension direction of the second adjusting block intersects with the extension direction of the first adjusting block at the target position;

[0007] a third adjusting block, which is arranged diagonally relative to the positioning block and the target position, and is suitable for clamping the product middle frame together with the first adjusting block and the second adjusting block;

[0008] The adjusting mechanism has one end arranged on the base and the other end connected to the third adjusting block. The adjusting mechanism is suitable for adjusting the relative position of the third adjusting block in the diagonal direction of the positioning block.

[0009] Beneficial effects: The middle frame jig provided by the present invention supports and positions the product middle frame along the third direction by arranging a positioning block on the base; positions the product middle frame along the first direction by the first adjusting block by arranging a first adjusting block on the base; positions the product middle frame along the second direction by the second adjusting block by arranging a second adjusting block on the base; clamps the product middle frame together with the third adjusting block and the first and second adjusting blocks by arranging a third adjusting block in the diagonal direction of the positioning block; drives the third adjusting block to move in the diagonal direction of the positioning block by arranging an adjustment mechanism, thereby being able to adjust the relative position of the third adjusting block in the diagonal direction of the positioning block according to the structural size of the product middle frame, and then being able to uniformly adopt the product's shape positioning, so that the middle frame jig can adapt to different types of product middle frames, improves the compatibility of the jig, facilitates switching, and is conducive to improving production efficiency and reducing production costs.

[0010] In an optional embodiment, the third adjustment block includes a first abutment portion and a second abutment portion arranged at an angle, the first abutment portion and the first adjustment block are parallel to each other along the second direction and staggered along the first direction, the second abutment portion and the second adjustment block are parallel to each other along the first direction and staggered along the second direction, and the first abutment portion and the second abutment portion are suitable for clamping the product middle frame together with the first adjustment block and the second adjustment block.

[0011] Beneficial effect: By setting the first abutting portion and the second abutting portion, the first abutting portion and the second abutting portion can cooperate with the first adjustment block and the second adjustment block in the diagonal direction, so that the product middle frame can be clamped together and the position can be adjusted in the diagonal direction, which is convenient for adapting to different types of product middle frames, thereby improving the compatibility of the fixture.

[0012] In an optional embodiment, the adjustment mechanism includes a cylinder body and a piston rod, the cylinder body is connected to the base, the extension and retraction direction of the piston rod is parallel to and / or coincides with the diagonal direction of the positioning block, one end of the piston rod is suitable for extension and retraction relative to the cylinder body, and the other end is connected to the third adjustment block, and the piston rod is suitable for driving the third adjustment block to move linearly in the diagonal direction of the positioning block.

[0013] Beneficial effect: By setting a cylinder body and a piston rod, and making the extension and contraction direction of the piston rod parallel and / or coincident with the diagonal direction of the positioning block, the extension and contraction of the piston rod drives the third adjustment block to move linearly in the diagonal direction of the positioning block, so that the relative position of the third adjustment block in the diagonal direction of the positioning block can be adjusted according to the structural size of the product middle frame, so that the middle frame jig can adapt to different types of product middle frames, which not only improves the compatibility of the jig and facilitates switching, but also improves the degree of automation of the jig, which is conducive to improving production efficiency.

[0014] In an optional embodiment, a first strip-shaped hole is opened on the base, the first strip-shaped hole is arranged on one side of the positioning block in the first direction, and the first strip-shaped hole is arranged along the first direction;

[0015] The first adjusting block is provided with a first threaded hole along the third direction;

[0016] The middle frame fixture further includes a first bolt, which is adapted to pass through the first strip hole along the third direction and be threadedly connected to the first threaded hole; the position of the first bolt in the first strip hole along the first direction is adjustable.

[0017] Beneficial effect: The first bolt passes through the first strip hole and is threadedly connected to the first threaded hole, thereby realizing the detachable connection between the first adjustment block and the base; at the same time, by adjusting the position of the first bolt in the first strip hole along the first direction, the relative position between the first adjustment block and the positioning block along the first direction can be adjusted according to the structural size of the product middle frame, further enabling the middle frame jig to adapt to different types of product middle frames, thereby improving the compatibility of the jig and facilitating switching.

[0018] In an optional embodiment, a second strip-shaped hole is opened on the base, the second strip-shaped hole is arranged on one side of the positioning block in the second direction, and the second strip-shaped hole is arranged along the second direction;

[0019] The second adjusting block is provided with a second threaded hole along the third direction;

[0020] The middle frame fixture also includes a second bolt, which is suitable for passing through the second strip hole along the third direction and being threadedly connected to the second threaded hole; the position of the second bolt in the second strip hole along the second direction is adjustable.

[0021] Beneficial effect: The second bolt passes through the second strip hole and is threadedly connected to the second threaded hole, thereby realizing the detachable connection between the second adjustment block and the base; at the same time, by adjusting the position of the second bolt in the second strip hole along the second direction, the relative position between the second adjustment block and the positioning block along the second direction can be adjusted according to the structural size of the product middle frame, further enabling the middle frame jig to adapt to different types of product middle frames, improving the compatibility of the jig and facilitating switching.

[0022] In an optional embodiment, a third strip hole is further provided on the base, and the third strip hole extends along the diagonal direction of the positioning block and is arranged opposite to the target position;

[0023] A third threaded hole is provided on the adjusting mechanism along a third direction;

[0024] The middle frame fixture also includes a third bolt, which is suitable for passing through the third strip hole along the third direction and being threadedly connected to the third threaded hole; the position of the third bolt in the third strip hole along the diagonal direction of the positioning block is adjustable.

[0025] Beneficial effect: The third bolt passes through the third strip hole and is threadedly connected to the third threaded hole, thereby realizing the detachable connection between the adjustment mechanism and the base; at the same time, by adjusting the position of the third bolt in the third strip hole along the diagonal direction of the positioning block, the position of the adjustment mechanism in the diagonal direction of the positioning block can be adjusted according to the structural size of the product middle frame. The third adjustment block is driven by the adjustment mechanism, which further enables the middle frame fixture to adapt to different types of product middle frames, thereby improving the compatibility of the fixture and facilitating switching.

[0026] In an optional embodiment, a limiting hole is further provided on the base, and the limiting hole is arranged relative to the target position along the diagonal direction of the positioning block; the limiting hole is suitable for limiting the third adjustment block and guiding the third adjustment block to move linearly along the diagonal direction of the positioning block.

[0027] Beneficial effect: By opening a limit hole on the base, the third adjustment block is limited by the limit hole, thereby guiding the third adjustment block to move linearly only along the diagonal direction of the positioning block, thereby avoiding the third adjustment block from offsetting during the adjustment process, and ensuring the stability and accuracy of the third adjustment block in the process of clamping the product middle frame.

[0028] In an optional embodiment, the middle frame fixture further includes a protective cover, which is sleeved on the outer peripheral wall of the product middle frame, and is suitable for abutting against the first adjustment block, the second adjustment block and the third adjustment block.

[0029] Beneficial effect: The protective cover is provided to protect the middle frame of the product, thereby avoiding three damages to the middle frame of the product.

[0030] In an optional embodiment, a limiting groove is provided on the third adjustment block, and the limiting groove is suitable for limiting the protective cover.

[0031] Beneficial effect: By providing a limiting groove on the third adjustment block, the protective cover is limited by the limiting groove, thereby avoiding the protective cover from deflecting during the process of the third adjustment block clamping the product middle frame, which is conducive to ensuring the reliability of the middle frame fixture clamping process.

[0032] In an optional embodiment, the first adjustment block is provided with a first guide portion on a side away from the base along the third direction, and the first guide portion is arranged at an angle to the base; the second adjustment block is provided with a second guide portion on a side away from the base along the third direction, and the second guide portion is arranged at an angle to the base; the first guide portion and the second guide portion are suitable for guiding the middle frame of the product.

[0033] Beneficial effect: By providing the first guide portion and the second guide portion, the product middle frame is guided to smoothly enter the designated position of the middle frame jig along the third direction according to a predetermined posture, which is conducive to ensuring the positioning accuracy of the middle frame jig on the product middle frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0035] Figure 1 A three-dimensional diagram of a middle frame fixture according to an embodiment of the present utility model;

[0036] Figure 2 This is a top view of a middle frame fixture according to an embodiment of the present utility model;

[0037] Figure 3 This is an exploded view of a middle frame fixture according to an embodiment of the present utility model;

[0038] Figure 4 This is a three-dimensional diagram of a middle frame fixture of an embodiment of the utility model after clamping the middle frame of a product.

[0039] Description of reference numerals:

[0040] 10. Base; 101. First strip hole; 102. Second strip hole; 103. Third strip hole; 104. Limit hole; 11. Positioning block; 12. First adjustment block; 121. First threaded hole; 122. First guide portion; 13. Second adjustment block; 131. Second threaded hole; 132. Second guide portion; 14. First bolt; 15. Second bolt; 16. Third bolt;

[0041] 20. Third adjustment block; 201. Limiting groove; 21. First abutting portion; 22. Second abutting portion;

[0042] 30. Adjustment mechanism; 301. Third threaded hole; 31. Cylinder body; 32. Piston rod;

[0043] 40. Protective cover;

[0044] 50. Product middle frame. DETAILED DESCRIPTION

[0045] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0046] The following combination Figures 1 to 4 , describing the embodiments of the present utility model.

[0047] According to an embodiment of the present invention, a middle frame jig is provided, comprising:

[0048] Abutment 10, see Figure 1 As shown, a positioning block 11 is provided thereon, which is suitable for supporting the product middle frame 50 and positioning it along the third direction;

[0049] The first adjusting block 12 is arranged opposite to the positioning block 11 along the first direction, and the first adjusting block 12 is suitable for positioning the product middle frame 50 along the first direction; the distance between the first adjusting block 12 and the positioning block 11 along the first direction is adjustable; the second adjusting block 13 is arranged opposite to the positioning block 11 along the second direction, and the second adjusting block 13 is suitable for positioning the product middle frame 50 along the second direction; the distance between the second adjusting block 13 and the positioning block 11 along the second direction is adjustable; see Figure 2 As shown, the extension direction of the second adjustment block 13 intersects with the extension direction of the first adjustment block 12 at the target position Q;

[0050] The third adjustment block 20 is arranged diagonally relative to the positioning block 11 and the target position Q. The third adjustment block 20 is suitable for clamping the product middle frame 50 together with the first adjustment block 12 and the second adjustment block 13;

[0051] The adjustment mechanism 30 has one end disposed on the base 10 and the other end connected to the third adjustment block 20 . The adjustment mechanism 30 is suitable for adjusting the relative position of the third adjustment block 20 in the diagonal direction of the positioning block 11 .

[0052] The middle frame fixture provided by the present invention provides a positioning block 11 on the base 10, thereby supporting the product middle frame 50 and positioning it along the third direction through the positioning block 11; provides a first adjustment block 12 on the base 10, thereby positioning the product middle frame 50 along the first direction through the first adjustment block 12; provides a second adjustment block 13 on the base 10, thereby positioning the product middle frame 50 along the second direction through the second adjustment block 13; provides a third adjustment block 20 in the diagonal direction of the positioning block 11, thereby positioning the product middle frame 50 along the third direction through the third adjustment block 13; The node block 20, the first adjustment block 12 and the second adjustment block 13 jointly clamp the product middle frame 50; by setting the adjustment mechanism 30, the third adjustment block 20 is driven to move in the diagonal direction of the positioning block 11, so that the relative position of the third adjustment block 20 in the diagonal direction of the positioning block 11 can be adjusted according to the structural size of the product middle frame 50, and then the product shape positioning can be uniformly adopted, so that the middle frame jig can adapt to different types of product middle frames 50, thereby improving the compatibility of the jig, facilitating switching, and helping to improve production efficiency and reduce production costs.

[0053] Furthermore, the positioning block 11 and the base 10 can be detachably connected by bolts and / or screws.

[0054] Furthermore, the first adjusting block 12 and the second adjusting block 13 are arranged perpendicular to each other in a horizontal plane.

[0055] In some embodiments, see Figure 2 and Figure 3 As shown, the third adjustment block 20 includes a first abutment portion 21 and a second abutment portion 22 set at an angle, the first abutment portion 21 and the first adjustment block 12 are parallel to each other along the second direction and staggered along the first direction, the second abutment portion 22 and the second adjustment block 13 are parallel to each other along the first direction and staggered along the second direction, and the first abutment portion 21 and the second abutment portion 22 are suitable for clamping the product middle frame 50 together with the first adjustment block 12 and the second adjustment block 13.

[0056] In this embodiment, the third adjustment block 20 is provided with a first abutting portion 21 and a second abutting portion 22 so that the first abutting portion 21 and the second abutting portion 22 cooperate with the first adjustment block 12 and the second adjustment block 13 in the diagonal direction, which can not only clamp the product middle frame 50 together, but also adjust the position in the diagonal direction, so as to adapt to different types of product middle frames 50, thereby improving the compatibility of the fixture.

[0057] Furthermore, the first abutting portion 21 and the second abutting portion 22 are arranged perpendicular to each other in a horizontal plane.

[0058] In some embodiments, see Figure 3As shown, the adjustment mechanism 30 includes a cylinder body 31 and a piston rod 32. The cylinder body 31 is connected to the base 10. The extension and retraction direction of the piston rod 32 is parallel to and / or coincides with the diagonal direction of the positioning block 11. One end of the piston rod 32 is suitable for extension and retraction relative to the cylinder body 31, and the other end is connected to the third adjustment block 20. The piston rod 32 is suitable for driving the third adjustment block 20 to move linearly in the diagonal direction of the positioning block 11.

[0059] In this embodiment, a cylinder body 31 and a piston rod 32 are provided, and the extension and retraction direction of the piston rod 32 is made parallel to and / or coincident with the diagonal direction of the positioning block 11, so that the extension and retraction of the piston rod 32 drives the third adjustment block 20 to move linearly in the diagonal direction of the positioning block 11, thereby being able to adjust the relative position of the third adjustment block 20 in the diagonal direction of the positioning block 11 according to the structural size of the product middle frame 50, so that the middle frame jig can adapt to different types of product middle frames 50, which not only improves the compatibility of the jig and facilitates switching, but also improves the degree of automation of the jig, which is conducive to improving production efficiency.

[0060] Furthermore, the piston rod 32 and the third adjustment block 20 can be detachably connected by bolts and / or screws.

[0061] Furthermore, the adjustment mechanism 30 may be a pneumatic cylinder or an oil cylinder.

[0062] As an alternative embodiment, the adjustment mechanism 30 may also be an electric push rod.

[0063] In some embodiments, see Figure 3 As shown, the base 10 is provided with a first strip hole 101, which is arranged on one side of the first direction of the positioning block 11 and is arranged along the first direction; the first adjustment block 12 is provided with a first threaded hole 121 along the third direction;

[0064] The middle frame fixture further includes a first bolt 14 , which is adapted to pass through the first strip hole 101 along the third direction and be threadedly connected to the first threaded hole 121 ; the position of the first bolt 14 in the first strip hole 101 along the first direction is adjustable.

[0065] In this embodiment, the first bolt 14 passes through the first strip hole 101 and is threadedly connected to the first threaded hole 121, thereby realizing the detachable connection between the first adjustment block 12 and the base 10; at the same time, by adjusting the position of the first bolt 14 in the first strip hole 101 along the first direction, the relative position between the first adjustment block 12 and the positioning block 11 along the first direction can be adjusted according to the structural size of the product middle frame 50, further enabling the middle frame jig to adapt to different types of product middle frames 50, thereby improving the compatibility of the jig and facilitating switching.

[0066] In some embodiments, see Figure 3 As shown, the base 10 is provided with a second strip hole 102, which is arranged on the second direction side of the positioning block 11 and arranged along the second direction; the second adjustment block 13 is provided with a second threaded hole 131 along the third direction;

[0067] The middle frame fixture further includes a second bolt 15 , which is adapted to pass through the second strip hole 102 along the third direction and be threadedly connected to the second threaded hole 131 ; the position of the second bolt 15 in the second strip hole 102 along the second direction is adjustable.

[0068] In this embodiment, the second bolt 15 passes through the second strip hole 102 and is threadedly connected to the second threaded hole 131, thereby realizing the detachable connection between the second adjustment block 13 and the base 10; at the same time, by adjusting the position of the second bolt 15 in the second strip hole 102 along the second direction, the relative position between the second adjustment block 13 and the positioning block 11 along the second direction can be adjusted according to the structural size of the product middle frame 50, further enabling the middle frame fixture to adapt to different types of product middle frames 50, thereby improving the compatibility of the fixture and facilitating switching.

[0069] In some embodiments, please combine Figure 2 and Figure 3 As shown, the base 10 is further provided with a third strip hole 103, which extends along the diagonal direction of the positioning block 11 and is arranged opposite to the target position; the adjustment mechanism 30 is provided with a third threaded hole 301 along the third direction;

[0070] The middle frame fixture further includes a third bolt 16 , which is adapted to pass through the third strip hole 103 along the third direction and be threadedly connected to the third threaded hole 301 ; the position of the third bolt 16 in the third strip hole 103 along the diagonal direction of the positioning block 11 is adjustable.

[0071] In this embodiment, the third bolt 16 passes through the third strip hole 103 and is threadedly connected to the third threaded hole 301, thereby realizing the detachable connection between the adjustment mechanism 30 and the base 10; at the same time, by adjusting the position of the third bolt 16 in the third strip hole 103 along the diagonal direction of the positioning block 11, the position of the adjustment mechanism 30 in the diagonal direction of the positioning block 11 can be adjusted according to the structural size of the product middle frame 50. The third adjustment block 20 is driven by the adjustment mechanism 30, which further enables the middle frame fixture to adapt to different types of product middle frames 50, thereby improving the compatibility of the fixture and facilitating switching.

[0072] Furthermore, a third threaded hole 301 may be provided on the cylinder body 31 .

[0073] In some embodiments, see Figure 2 and Figure 3 As shown, a limiting hole 104 is also provided on the base 10, and the limiting hole 104 is arranged relative to the target position Q along the diagonal direction of the positioning block 11; the limiting hole 104 is suitable for limiting the third adjustment block 20 and guiding the third adjustment block 20 to move linearly along the diagonal direction of the positioning block 11.

[0074] In this embodiment, a limiting hole 104 is opened on the base 10 to limit the third adjustment block 20 through the limiting hole 104, thereby guiding the third adjustment block 20 to move linearly only along the diagonal direction of the positioning block 11, thereby avoiding the third adjustment block 20 from offsetting during the adjustment process, and ensuring the stability and accuracy of the third adjustment block 20 in the process of clamping the product middle frame 50.

[0075] In some embodiments, see Figure 4 As shown, the middle frame fixture further includes a protective cover 40 , which is sleeved on the outer peripheral wall of the product middle frame 50 , and is suitable for abutting against the first adjustment block 12 , the second adjustment block 13 and the third adjustment block 20 .

[0076] In this embodiment, the protective cover 40 is provided to protect the product middle frame 50 , thereby preventing the product middle frame 50 from being damaged.

[0077] Furthermore, the protective cover 40 has a certain elasticity, and the protective cover 40 elastically abuts against the outer peripheral wall of the product middle frame 50 .

[0078] In some embodiments, please combine Figure 3 and Figure 4 As shown, a limiting groove 201 is provided on the third adjustment block 20 , and the limiting groove 201 is suitable for limiting the protective cover 40 .

[0079] In this embodiment, a limiting groove 201 is provided on the third adjustment block 20, thereby limiting the protective cover 40 through the limiting groove 201, thereby preventing the protective cover 40 from being offset during the process of clamping the product middle frame 50 by the third adjustment block 20, which is beneficial to ensuring the reliability of the middle frame fixture during the clamping process.

[0080] In some embodiments, see Figure 1 and Figure 4 As shown, the first adjustment block 12 is provided with a first guide portion 122 on a side away from the base 10 along the third direction, and the first guide portion 122 is set at an angle to the base 10; the second adjustment block 13 is provided with a second guide portion 132 on a side away from the base 10 along the third direction, and the second guide portion 132 is set at an angle to the base 10; the first guide portion 122 and the second guide portion 132 are suitable for guiding the product middle frame 50.

[0081] By providing the first guide portion 122 and the second guide portion 132 , the product middle frame 50 is guided to smoothly enter the designated position of the middle frame jig along the third direction according to a predetermined posture, which is conducive to ensuring the positioning accuracy of the middle frame jig on the product middle frame 50 .

[0082] The following combination Figure 1 、 Figure 2 and Figure 4 , a unified description of the working method of the middle frame fixture of the present utility model is given.

[0083] The working methods of the middle frame fixture include:

[0084] Before placing the product middle frame 50 into the middle frame fixture, the protective cover 40 is pre-placed on the product middle frame 50;

[0085] Place the product middle frame 50 on the positioning block 11, and position the product middle frame 50 using the first adjustment block 12 and the second adjustment block 13;

[0086] The relative position of the third adjustment block 20 in the diagonal direction of the positioning block 11 is adjusted by the adjustment mechanism 30, and the product middle frame 50 is clamped together by the third adjustment block 20, the first adjustment block 12, and the second adjustment block 13. When the middle frame fixture clamps the product middle frame 50, the protective cover 40 abuts against the first adjustment block 12, the second adjustment block 13, and the third adjustment block 20.

[0087] By adjusting the position of the first bolt 14 in the first strip hole 101 along the first direction, the relative position of the first adjustment block 12 and the positioning block 11 along the first direction is adjusted; by adjusting the position of the second bolt 15 in the second strip hole 102 along the second direction, the relative position of the second adjustment block 13 and the positioning block 11 along the second direction is adjusted; and the relative position of the adjustment mechanism 30 along the diagonal direction of the positioning block 11 is adjusted by the third bolt 16.

[0088] It should be noted that before the product middle frame 50 is placed in the middle frame jig, the product middle frame 50 is protected by pre-installing a protective cover 40 to avoid causing three damages to the product middle frame 50. By adjusting the relative position of the first adjustment block 12 and the positioning block 11 along the first direction, and / or adjusting the relative position of the second adjustment block 13 and the positioning block 11 along the second direction, and / or adjusting the relative position of the adjustment mechanism 30 along the diagonal direction of the positioning block 11, and / or the adjustment mechanism 30 drives the third adjustment block 20 to move in the diagonal direction of the positioning block 11, the middle frame jig can be adapted to different types of product middle frames 50, thereby improving the compatibility of the jig, facilitating switching, and helping to improve production efficiency and reduce production costs.

[0089] Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations shall fall within the scope defined by the appended claims.

Claims

1. A middle frame fixture, characterized in that: include: A base (10) is provided with a positioning block (11), wherein the positioning block (11) is suitable for supporting and positioning the product middle frame; A first adjusting block (12) is arranged opposite to the positioning block (11) along a first direction; a second adjusting block (13) is arranged opposite to the positioning block (11) along a second direction, and an extension direction of the second adjusting block (13) intersects with an extension direction of the first adjusting block (12) at a target position; a third adjusting block (20), which is arranged diagonally to the target position relative to the positioning block (11), and is suitable for clamping the product middle frame together with the first adjusting block (12) and the second adjusting block (13); An adjusting mechanism (30) has one end disposed on the base (10) and the other end connected to the third adjusting block (20), wherein the adjusting mechanism (30) is suitable for adjusting the relative position of the third adjusting block (20) in the diagonal direction of the positioning block (11).

2. The middle frame jig according to claim 1, characterized in that: The third adjusting block (20) comprises a first abutting portion (21) and a second abutting portion (22) arranged at an angle, wherein the first abutting portion (21) and the first adjusting block (12) are parallel to each other along the second direction and are offset and aligned along the first direction, and the second abutting portion (22) and the second adjusting block (13) are parallel to each other along the first direction and are offset and aligned along the second direction, and the first abutting portion (21) and the second abutting portion (22) are suitable for clamping the product middle frame together with the first adjusting block (12) and the second adjusting block (13).

3. The middle frame jig according to claim 1, characterized in that: The adjusting mechanism (30) includes a cylinder body (31) and a piston rod (32), wherein the cylinder body (31) is connected to the base (10), and the telescopic direction of the piston rod (32) is parallel to and / or coincides with the diagonal direction of the positioning block (11). One end of the piston rod (32) is suitable for telescoping relative to the cylinder body (31), and the other end is connected to the third adjusting block (20), and the piston rod (32) is suitable for driving the third adjusting block (20) to move linearly in the diagonal direction of the positioning block (11).

4. The middle frame jig according to claim 1, characterized in that: The base (10) is provided with a first strip-shaped hole (101), the first strip-shaped hole (101) is arranged on one side of the positioning block (11) in the first direction, and the first strip-shaped hole (101) is arranged along the first direction; The first adjusting block (12) is provided with a first threaded hole (121) along a third direction; The middle frame fixture further comprises a first bolt (14), wherein the first bolt (14) is adapted to pass through the first strip-shaped hole (101) along a third direction and be threadedly connected to the first threaded hole (121); the position of the first bolt (14) in the first strip-shaped hole (101) along the first direction is adjustable.

5. The middle frame jig according to claim 1, characterized in that: A second strip-shaped hole (102) is provided on the base (10), the second strip-shaped hole (102) is arranged on one side of the positioning block (11) in the second direction, and the second strip-shaped hole (102) is arranged along the second direction; The second adjusting block (13) is provided with a second threaded hole (131) along a third direction; The middle frame fixture further includes a second bolt (15), the second bolt (15) being adapted to pass through the second strip-shaped hole (102) along a third direction and being threadedly connected to the second threaded hole (131); the position of the second bolt (15) in the second strip-shaped hole (102) along the second direction is adjustable.

6. The middle frame jig according to claim 1, characterized in that: A third strip hole (103) is further provided on the base (10), and the third strip hole (103) extends along the diagonal direction of the positioning block (11) and is arranged opposite to the target position; A third threaded hole (301) is provided on the adjusting mechanism (30) along a third direction; The middle frame fixture further includes a third bolt (16), which is suitable for passing through the third strip hole (103) along a third direction and being threadedly connected to the third threaded hole (301); the position of the third bolt (16) in the third strip hole (103) along the diagonal direction of the positioning block (11) is adjustable.

7. The middle frame jig according to claim 1, characterized in that: A limiting hole (104) is also provided on the base (10), and the limiting hole (104) is arranged relative to the target position along the diagonal direction of the positioning block (11); the limiting hole (104) is suitable for limiting the third adjustment block (20) and guiding the third adjustment block (20) to move linearly along the diagonal direction of the positioning block (11).

8. The middle frame jig according to any one of claims 1 to 7, characterized in that: The middle frame fixture further comprises a protective sleeve (40), which is sleeved on the outer peripheral wall of the product middle frame, and the protective sleeve (40) is suitable for abutting against the first adjustment block (12), the second adjustment block (13) and the third adjustment block (20).

9. The middle frame jig according to claim 8, characterized in that: A limiting groove (201) is provided on the third adjustment block (20), and the limiting groove (201) is suitable for limiting the protective cover (40).

10. The middle frame jig according to any one of claims 1 to 7, characterized in that: The first adjusting block (12) is provided with a first guide portion (122) on a side away from the base (10) along the third direction, and the first guide portion (122) is arranged at an angle to the base (10); the second adjusting block (13) is provided with a second guide portion (132) on a side away from the base (10) along the third direction, and the second guide portion (132) is arranged at an angle to the base (10); the first guide portion (122) and the second guide portion (132) are suitable for guiding the middle frame of the product.

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