CNC (computer numerical control) positioning pressing block machining clamp for mobile phone frame

Abstract

The utility model discloses a mobile phone frame CNC positioning pressing block machining clamp which comprises a base, a workbench, a first clamping mechanism and a second clamping mechanism, and the workbench is installed on the surface of the top side of the base; the first clamping mechanism and the second clamping mechanism are installed on the adjacent side of the workbench. The output end of the first clamping mechanism extends to the edge of one side of the workbench. And the output end of the second clamping mechanism extends to the edge of the adjacent side of the workbench relative to the first clamping mechanism, so that the first clamping mechanism and the second clamping mechanism are arranged in an L shape based on the workbench. According to the CNC positioning pressing block machining clamp for the mobile phone frame, the mobile phone frame is placed on the clamping station preset on the surface of the top side of the workbench, the first clamping mechanism and the second clamping mechanism clamp the two adjacent folded plates of the mobile phone frame respectively, and therefore the clamping function of the CNC positioning pressing block machining clamp for the mobile phone frame is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to CNC fixture technical field, especially a kind of CNC positioning pressing block processing fixture of mobile phone frame. BACKGROUND

[0002] CNC machining fixture is used for fixing, positioning and clamping workpiece in CNC (Computer Numerical Control) machine tool machining process. Its core role is to ensure that workpiece remains stable in high-speed, high-precision machining, avoids displacement or vibration, so as to ensure machining quality, efficiency and safety. Specifically, the main functions of CNC machining fixture include: ensuring the relative position accuracy of workpiece and tool through the positioning element of fixture; using clamping mechanism to fix workpiece, to prevent loosening or deviation caused by cutting force during machining; reducing the time of replacing workpiece through quick clamping design; using special fixture for special-shaped or thin-walled workpiece to provide uniform clamping force and avoid deformation; preventing workpiece or tool from loosening and flying out to ensure safety in production. Existing CNC machining fixtures generally include mechanical fixtures, hydraulic or pneumatic fixtures, vacuum fixtures, combined fixtures and special fixtures customized for specific workpieces. As for starting fixture suitable for high repeatability and mass production, it is widely used in mobile phone frame machining field.

[0003] During CNC machining of mobile phone frame, CNC high light machining needs to be performed on the outer side surface of mobile phone outer frame. The thickness of mobile phone frame is about 3-4mm, and the length is about 150mm. The mobile phone frame is too long and thin, and deformation of mobile phone frame is easy to occur during CNC high light machining, which can cause adverse effects on product quality. In severe cases, the high light machining position of mobile phone frame outer side deviates, causing unrepairable scrap. UTILITY MODEL CONTENT

[0004] Therefore, it is necessary to provide a mobile phone frame CNC positioning pressing block processing fixture to solve the technical problem that the existing CNC fixture lacks specific design for clamping mobile phone frame and is easy to cause workpiece deformation.

[0005] A mobile phone frame CNC positioning pressing block processing fixture includes a base, a workbench, a first clamping mechanism and a second clamping mechanism. The workbench is installed on the top side surface of the base. The first clamping mechanism and the second clamping mechanism are installed on the adjacent side of the workbench. The output end of the first clamping mechanism extends to one side edge of the workbench. The output end of the second clamping mechanism extends to the adjacent side edge of the workbench relative to the first clamping mechanism, so that the first clamping mechanism and the second clamping mechanism are arranged in L shape based on the workbench.

[0006] In one of the embodiments, the workbench is provided with a plurality of block groups, which are arranged at the edges of the top surface of the workbench in cooperation with the first clamping mechanism and the second clamping mechanism, so as to form a supporting structure matched with the frame of the mobile phone.

[0007] In one of the embodiments, the block group comprises a plurality of blocks, each block is provided with a limiting side plate and a supporting platform corresponding to the position of the frame of the mobile phone, wherein the supporting platform supports the corresponding position of the frame of the mobile phone, and the limiting side plate limits the lateral movement of the frame of the mobile phone.

[0008] In one of the embodiments, the workbench is provided in a square plate structure, based on which the first clamping mechanism, the second clamping mechanism and the block group are respectively provided in two groups, one first clamping mechanism, one second clamping mechanism and one block group are arranged on the two adjacent edges of the workbench in cooperation and correspondence, on the contrary, the other first clamping mechanism, the other second clamping mechanism and the other block group are arranged on the other two adjacent edges of the workbench in a central symmetric manner with the midpoint of the top surface of the workbench as the center, so that the workbench forms two central symmetric clamping processing areas.

[0009] In one of the embodiments, the workbench is further provided with a separation block, which is arranged at the center of the top surface of the workbench to separate the two clamping processing areas on the surface of the workbench.

[0010] In one of the embodiments, the workbench is further provided with a plurality of limiting blocks, which are arranged at the edges of the workbench.

[0011] In one of the embodiments, the plurality of limiting blocks are provided with a clearance space to avoid the clamping end of each first clamping mechanism and the clamping end of each second clamping mechanism.

[0012] In one of the embodiments, each first clamping mechanism comprises a plurality of first driving units and a plurality of first push blocks, the plurality of first driving units are arranged at the corresponding side edges of the workbench, and the output end of each first driving unit is arranged towards the corresponding block group; the plurality of first push blocks are respectively arranged at the output ends of the plurality of first driving units.

[0013] In one of the embodiments, each first clamping mechanism further comprises a first mounting plate connected to the side surface of the workbench, and the plurality of first driving units are mounted to the workbench through the first mounting plate.

[0014] In one of the embodiments, the first driving unit is provided as a double-rod push cylinder.

[0015] In one of the embodiments, each of the first clamping mechanisms comprises three first driving units, which respectively clamp three corresponding positions of the mobile phone frame.

[0016] In one of the embodiments, each of the first clamping mechanisms further comprises a plurality of first lifting units and a plurality of first pressing blocks. The plurality of first lifting units are arranged on the bottom side of the workbench. The output end of each first lifting unit penetrates the workbench and extends to the inner side of the corresponding block group. The plurality of first pressing blocks are respectively arranged on the output end of the plurality of first lifting units.

[0017] In one of the embodiments, each of the second clamping mechanisms comprises a plurality of second driving units and a plurality of second pushing blocks. The plurality of second driving units are arranged on the corresponding side edge of the workbench. The output end of each second driving unit is arranged towards the corresponding block group. The plurality of second pushing blocks are respectively arranged on the output end of the plurality of second driving units.

[0018] In one of the embodiments, each of the second clamping mechanisms further comprises a second mounting plate. The second mounting plate is connected to the side surface of the workbench. The plurality of second driving units are connected to the workbench through the second mounting plate.

[0019] In one of the embodiments, the second driving unit is a double-rod pushing cylinder.

[0020] In one of the embodiments, each of the second clamping mechanisms comprises two second driving units, which respectively clamp two corresponding positions of the mobile phone frame.

[0021] In one of the embodiments, each of the second clamping mechanisms further comprises a plurality of second lifting units and a plurality of second pressing blocks. The plurality of second lifting units are arranged on the bottom side of the workbench. The output end of each second lifting unit penetrates the workbench and extends to the inner side of the corresponding block group. The plurality of second pressing blocks are respectively arranged on the output end of the plurality of second lifting units.

[0022] In one of the embodiments, the first clamping mechanism further comprises a third lifting unit and a third pressing block. The third lifting unit is arranged on the opposite side of the second lifting unit based on the workbench. The output end of the third lifting unit penetrates the workbench and extends to the inner side of the corresponding block group. The third pressing block is arranged on the output end of the third lifting unit.

[0023] In one of the embodiments, the mobile phone frame CNC positioning and pressing block processing clamp further comprises a rotary clamping cylinder. The rotary clamping cylinder is arranged on one side of the workbench. The output end of the rotary clamping cylinder extends from the bottom side of the workbench to the top side of the workbench.

[0024] The mobile phone frame CNC positioning pressing block machining clamp has the following advantages: the mobile phone frame is placed on the preset clamping position on the top side surface of the workbench, the first clamping mechanism and the second clamping mechanism clamp two adjacent flaps of the mobile phone frame respectively, so that the CNC positioning pressing block machining clamp has the clamping function on the mobile phone frame; when the first clamping mechanism clamps the corresponding flap of the mobile phone frame, the second clamping mechanism is in the releasing state to avoid the CNC machining end according to the actual machining condition, and the CNC equipment can machine the remaining flaps of the mobile phone frame; when the second clamping mechanism clamps the corresponding flap of the mobile phone frame, the first clamping mechanism can be in the releasing state to avoid the CNC machining end, and the CNC equipment can machine the remaining flaps of the mobile phone frame. Compared with the traditional mobile phone frame machining process, the mobile phone frame CNC positioning pressing block machining clamp can effectively clamp the mobile phone frame more targetedly, and the alternating clamping of different parts of the mobile phone frame can ensure that each structure of the mobile phone frame can be efficiently and stably machined, the machining consistency of the mobile phone frame is ensured, the machining deformation is avoided, the yield is improved, and the machining efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the mobile phone frame CNC positioning pressing block machining clamp in one embodiment.

[0026] Figure 2 It is an exploded structural schematic view of the mobile phone frame CNC positioning pressing block machining clamp in one embodiment.

[0027] Figure 3 It is a workbench structural schematic view of the mobile phone frame CNC positioning pressing block machining clamp in one embodiment.

[0028] Figure 4 It is a first clamping mechanism local exploded structural schematic view of the mobile phone frame CNC positioning pressing block machining clamp in one embodiment.

[0029] Figure 5 It is a second clamping mechanism local exploded structural schematic view of the mobile phone frame CNC positioning pressing block machining clamp in one embodiment. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, characteristics and advantages of the utility model more apparent, easy to understand, the specific implementation of the utility model is described in detail below. In the following description, a lot of specific details are set forth in order to give a thorough understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0031] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0032] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0033] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; 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 internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] It is to be understood that when an element such as a layer, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. It will be understood that, when a part is referred to as being "fixed on" or "provided on" another part, it can be directly on the other part or an intervening part can be present. It will be understood that, when a part is referred to as being "connected to" another part, it can be directly connected to the other part or an intervening part can be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar expressions as used herein are for illustrative purposes only and do not indicate the only implementation.

[0036] Referring to Figures 1 to 5 The utility model discloses a kind of mobile phone frame CNC positioning pressing block processing fixture 1, the mobile phone frame CNC positioning pressing block processing fixture 1 includes base 10, workbench 20, first clamping mechanism 30 and second clamping mechanism 40, workbench 20 is installed on the top side surface of base 10;First clamping mechanism 30 and second clamping mechanism 40 are installed with the adjacent side of workbench 20;The output end of first clamping mechanism 30 extends to the side edge of workbench 20;Opposite first clamping mechanism 30, the output end of second clamping mechanism 40 extends to the adjacent side edge of workbench 20, so that first clamping mechanism 30 and second clamping mechanism 40 are based on L type arrangement of workbench 20.In practical application, mobile phone frame 2 component is set to complete frame structure or partial frame structure, in the embodiment, mobile phone frame 2 is set to C type partial frame structure, that is, a continuous three-fold plate structure, when processing, mobile phone frame 2 is placed with the preset clamping station of workbench 20 top side surface, first clamping mechanism 30 and second clamping mechanism 40 respectively clamps two adjacent flaps of mobile phone frame 2, to realize the clamping function of the CNC positioning pressing block processing fixture of the utility model to mobile phone frame 2;Specifically, when first clamping mechanism 30 clamps corresponding flap of mobile phone frame 2, according to actual processing condition, second clamping mechanism 40 is in release state to avoid CNC processing end, and CNC equipment can process the rest of flap of mobile phone frame 2;Oppositely, when second clamping mechanism 40 clamps corresponding flap of mobile phone frame 2, first clamping mechanism 30 can be in release state to avoid CNC processing end, and CNC equipment can process the rest of flap of mobile phone frame 2.Compared with the traditional mobile phone frame 2 processing process, through the mobile phone frame CNC positioning pressing block processing fixture 1 of the utility model, mobile phone frame 2 can be effectively clamped more targetedly, and through the alternate clamping of different parts of mobile phone frame 2, it can be guaranteed that each structure of mobile phone frame 2 can be efficiently and stably processed, while ensuring the consistency of mobile phone frame 2 processing, avoiding processing deformation, improving yield, greatly improving processing efficiency.

[0037] Further, the workbench 20 is provided with a block set, which is arranged at the edge of the top surface of the workbench 20 in cooperation with the first clamping mechanism 30 and the second clamping mechanism 40, so as to form a supporting structure cooperating with the mobile phone frame 2. The mobile phone frame 2 can be fitted into the block set, so that the block set can limit the bottom and one side surface of the mobile phone frame 2. Based on this, the clamping end of the first clamping mechanism 30 and the clamping end of the second clamping mechanism 40 respectively abut to the other side surface of the mobile phone frame 2, so as to complete the clamping process of the mobile phone frame 2. Specifically, the block set includes a plurality of blocks 21, and each block 21 is provided with a limiting side plate 211 and a supporting platform 212 corresponding to the corresponding position of the mobile phone frame 2. The supporting platform 212 supports the corresponding position of the mobile phone frame 2, and the limiting side plate 211 limits the lateral movement of the mobile phone frame 2.

[0038] In one embodiment, specifically, the workbench 20 is provided in a square plate structure. Based on this, the first clamping mechanism 30, the second clamping mechanism 40 and the block set are respectively provided in two groups. Specifically, one first clamping mechanism 30, one second clamping mechanism 40 and one block set are arranged in cooperation and correspondence on the two adjacent side edges of the workbench 20. On the contrary, the other first clamping mechanism 30, the other second clamping mechanism 40 and the other block set are arranged in the center of the midpoint of the top surface of the workbench 20 and in a central symmetric manner on the other two adjacent side edges of the workbench 20, so as to form two central symmetric clamping processing areas of the workbench 20, so as to process two mobile phone frames 2 at the same time, thereby further improving the CNC processing efficiency of the mobile phone frame 2.

[0039] In one embodiment, specifically, the workbench 20 is further provided with a separation block 22 arranged at the center of the top surface of the workbench 20, so as to separate the two clamping processing areas of the workbench 20 and strengthen the independence of each clamping processing area.

[0040] In one embodiment, specifically, the workbench 20 is further provided with a plurality of limiting blocks 23 arranged at the edges of the workbench 20 to limit the working range of the workbench 20. More specifically, the limiting blocks 23 are provided with a space for avoiding the clamping end of each first clamping mechanism 30 and the clamping end of each second clamping mechanism 40.

[0041] Further, each first clamping mechanism 30 comprises a plurality of first driving units 31 and a plurality of first push blocks 32. The plurality of first driving units 31 are arranged at the corresponding side edges of the workbench 20, and the output ends of each first driving unit 31 are arranged towards the corresponding block group. The plurality of first push blocks 32 are correspondingly arranged at the output ends of the plurality of first driving units 31, so that when the first clamping mechanism 30 clamps the mobile phone frame 2, the first driving unit 31 drives the corresponding first push block 32 to abut the corresponding position of the mobile phone frame 2, so as to cooperate with the block group to stably clamp the mobile phone frame 2. In an embodiment, each first clamping mechanism 30 further comprises a first mounting plate 33 connected to the side surface of the workbench 20, and the plurality of first driving units 31 are mounted to the workbench 20 through the first mounting plate 33. In an embodiment, the first driving unit 31 is arranged as a double-rod push cylinder; in another embodiment, each first clamping mechanism 30 comprises three first driving units 31, which clamp three corresponding positions of the mobile phone frame 2 respectively.

[0042] Further, each first clamping mechanism 30 further comprises a plurality of first lifting units 34 and a plurality of first pressing blocks 35. The plurality of first lifting units 34 are arranged at the bottom side of the workbench 20, and the output ends of each first lifting unit 34 penetrate through the workbench 20 and extend to the inner side of the corresponding block group. The plurality of first pressing blocks 35 are correspondingly arranged at the output ends of the plurality of first lifting units 34, so that the first lifting unit 34 can drive the corresponding first pressing block 35 to abut the top surface of the mobile phone frame 2, so as to tightly press the mobile phone frame 2 in the block group, further strengthening the clamping stability of the first clamping mechanism 30 to the mobile phone frame 2.

[0043] Further, each second clamping mechanism 40 comprises a plurality of second driving units 41 and a plurality of second push blocks 42. The plurality of second driving units 41 are arranged at the corresponding side edges of the workbench 20, and the output ends of each second driving unit 41 are arranged towards the corresponding block group. The plurality of second push blocks 42 are correspondingly arranged at the output ends of the plurality of second driving units 41, so that when the second clamping mechanism 40 clamps the mobile phone frame 2, the second driving unit 41 drives the corresponding second block 21 to abut the corresponding position of the mobile phone frame 2, so as to cooperate with the block group to stably clamp the mobile phone frame 2. In an embodiment, each second clamping mechanism 40 further comprises a second mounting plate 43 connected to the side surface of the workbench 20, and the plurality of second driving units 41 are connected to the workbench 20 through the second mounting plate 43. In an embodiment, the second driving unit 41 is arranged as a double-rod push cylinder; in another embodiment, each second clamping mechanism 40 comprises two second driving units 41, which clamp two corresponding positions of the mobile phone frame 2 respectively.

[0044] Further, each second clamping mechanism 40 further comprises a plurality of second lifting units 44 and a plurality of second pressing blocks 45, the plurality of second lifting units 44 are arranged on the bottom side of the workbench 20, the output end of each second lifting unit 44 penetrates the workbench 20 and extends to the inner side of the corresponding block group; the plurality of second pressing blocks 45 are arranged on the output end of the plurality of second lifting units 44 respectively, so that the second lifting unit 44 can drive the corresponding second pressing block 45 to abut against the top surface of the mobile phone frame 2, so as to tightly press the mobile phone frame 2 in the block group, further strengthening the clamping stability of the second clamping mechanism 40 to the mobile phone frame 2.

[0045] Further, in order to strengthen the clamping stability of the first clamping mechanism 30 to the mobile phone frame 2, the first clamping mechanism 30 further comprises a third lifting unit 36 and a third pressing block 37, based on the workbench 20, the third lifting unit 36 is arranged on the opposite side of the second lifting unit 44, the output end of the third lifting unit 36 penetrates the workbench 20 and extends to the inner side of the corresponding block group; the third pressing block 37 is arranged on the output end of the third lifting unit 36, so that when the first clamping mechanism 30 clamps the mobile phone frame 2, the third lifting unit 36 drives the third pressing block 37 to press the opposite side of the mobile phone frame relative to the second clamping mechanism 40.

[0046] Further, the mobile phone frame CNC positioning and pressing block processing clamp 1 further comprises a rotary clamping cylinder 50, the rotary clamping cylinder 50 is arranged on one side of the workbench 20, and the output end of the rotary clamping cylinder 50 extends from the bottom side of the workbench 20 to the top side of the workbench 20, in actual application, the rotary clamping cylinder 50 can assist in tightly pressing the mobile phone frame 2 in place through the equipped pressing plate according to the actual production situation.

[0047] In summary, the mobile phone frame CNC positioning pressing block processing clamp disclosed by the utility model discloses through placing the mobile phone frame with the clamping station of the preset top side surface of the workbench, the first clamping mechanism and the second clamping mechanism respectively clamp two adjacent flaps of the mobile phone frame, so that the CNC positioning pressing block processing clamp of the utility model realizes the clamping function of the mobile phone frame, specifically, when the first clamping mechanism clamps the corresponding flap of the mobile phone frame, according to the actual processing condition, the second clamping mechanism is in the released state to avoid the CNC processing end, and the CNC equipment can process the remaining flaps of the mobile phone frame, and conversely, when the second clamping mechanism clamps the corresponding flap of the mobile phone frame, the first clamping mechanism can be in the released state to avoid the CNC processing end, and the CNC equipment can process the remaining flaps of the mobile phone frame.

[0048] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that they are within the scope of the present disclosure.

[0049] The above-described embodiments only express several implementation manners of the utility model, and the description is relatively specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A CNC positioning and pressing fixture for mobile phone frame processing, characterized in that, include: The system includes a base, a worktable, a first clamping mechanism, and a second clamping mechanism. The worktable is mounted on the top side surface of the base. The first clamping mechanism and the second clamping mechanism are mounted on the adjacent side of the worktable. The output end of the first clamping mechanism extends to one edge of the worktable. Relative to the first clamping mechanism, the output end of the second clamping mechanism extends to the adjacent side edge of the worktable, thereby making the first clamping mechanism and the second clamping mechanism arranged in an L-shape based on the worktable.

2. The CNC positioning and pressing fixture for mobile phone frame according to claim 1, characterized in that, The workbench is provided with a block assembly, which is arranged in conjunction with the first clamping mechanism and the second clamping mechanism at the edge of the top side surface of the workbench.

3. The CNC positioning and pressing fixture for mobile phone frame according to claim 2, characterized in that, The support block group includes several support blocks, and each support block is provided with a limiting side plate and a supporting platform at a corresponding position on the mobile phone frame.

4. The CNC positioning and pressing fixture for mobile phone frame according to claim 3, characterized in that, The worktable is configured as a square plate structure. Based on this, the first clamping mechanism, the second clamping mechanism, and the support block group are each configured as two groups. One of the first clamping mechanisms, one of the second clamping mechanisms, and one of the support block groups are arranged in cooperation and correspondingly on the adjacent two sides of the worktable. Conversely, another of the first clamping mechanisms, another of the second clamping mechanisms, and another of the support block groups are arranged in a centrally symmetrical manner on the other two adjacent sides of the worktable with the midpoint of the top side surface of the worktable as the center, thereby making the worktable form two centrally symmetrical clamping and processing areas.

5. The CNC positioning and pressing fixture for mobile phone frame according to claim 4, characterized in that, Each of the first clamping mechanisms includes a plurality of first driving units and a plurality of first push blocks. The plurality of first driving units are disposed on the corresponding side edge of the worktable, and the output end of each first driving unit is disposed toward the corresponding support block group. The plurality of first push blocks are respectively disposed on the output ends of the plurality of first driving units.

6. The CNC positioning and pressing fixture for mobile phone frame according to claim 5, characterized in that, Each of the first clamping mechanisms further includes a plurality of first lifting units and a plurality of first pressing blocks. The plurality of first lifting units are disposed on the bottom side of the worktable, and the output end of each first lifting unit passes through the worktable and extends to the inner side of the corresponding support block group. The plurality of first pressing blocks are respectively disposed on the output ends of the plurality of first lifting units.

7. The CNC positioning and pressing fixture for mobile phone frame according to claim 6, characterized in that, Each of the second clamping mechanisms includes a plurality of second drive units and a plurality of second push blocks. The plurality of second drive units are disposed on the corresponding side edge of the worktable, and the output end of each second drive unit is disposed toward the corresponding support block group. The plurality of second push blocks are respectively disposed on the output ends of the plurality of second drive units.

8. The CNC positioning and pressing fixture for mobile phone frame according to claim 7, characterized in that, Each of the second clamping mechanisms further includes a plurality of second lifting units and a plurality of second pressing blocks. The plurality of second lifting units are disposed on the bottom side of the worktable, and the output end of each second lifting unit passes through the worktable and extends to the inner side of the corresponding support block group. The plurality of second pressing blocks are respectively disposed on the output ends of the plurality of second lifting units.

9. The CNC positioning and pressing fixture for mobile phone frame according to claim 8, characterized in that, The first clamping mechanism further includes a third lifting unit and a third pressing block. Based on the worktable, the third lifting unit is located on the opposite side of the second lifting unit. The output end of the third lifting unit passes through the worktable and extends to the inner side of the corresponding support block group. The third pressing block is located at the output end of the third lifting unit.

10. The CNC positioning and pressing fixture for mobile phone frame according to claim 9, characterized in that, The CNC positioning and pressing fixture for mobile phone frame also includes a rotary clamping cylinder, which is located on one side of the worktable, and the output end of the rotary clamping cylinder extends from the bottom side of the worktable to the top side of the worktable.

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