Mobile phone frame multi-connecting-rod reinforcement pressing jig

Abstract

The invention relates to the technical field of machining, and discloses a mobile phone frame multi-connecting-rod reinforcement pressing jig which comprises a bottom plate, branch pipes are installed at the positions, close to the four corners, of the bottom plate, a supporting plate is installed at the other ends of the branch pipes, and a reinforcement air cylinder is fixedly installed on the side edge of the face, close to the branch pipes, of the bottom plate. A first connecting rod mechanism is hinged to the output end of the force multiplying air cylinder. By the adoption of the design of traction of the multiple connecting rods, the pressing effect on the mobile phone frame workpiece is greatly enhanced, traction of the mobile phone frame workpiece is achieved by taking traction of the lever principle and a force multiplying air cylinder as a power drive guarantee, then the multiple connecting rods are matched, pressing is further achieved, and the effect that the mobile phone frame workpiece is conveniently clamped and fixed is achieved; even if a titanium alloy mobile phone frame workpiece with large cutting resistance is fixed, continuous and stable pressing and fixing can be kept, the stability of a product is kept, the machining efficiency is improved, and the machining requirement of the titanium alloy mobile phone frame is met.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, and in particular to a multi-link force-enhancing clamping fixture for a mobile phone frame. Background Art

[0002] The mobile phone frame is the edge part around the mobile phone shell, usually made of metal or plastic. Currently, high-end mobile phones generally use metal materials, especially titanium mobile phone shells. The fixture is a tool widely used in industrial production, mainly used to assist in controlling position or movement to facilitate precise processing, assembly or testing operations. The fixture for mobile phone frame processing needs to meet the needs of fixing, working and guiding the mobile phone frame workpiece.

[0003] In order to effectively respond to the processing needs of titanium alloy mobile phone frames in the 3C industry, titanium alloy materials have the particularity of large cutting resistance, and the current existing fixture processing solutions have unstable product clamping force during the processing of titanium alloys, which makes the processing efficiency of titanium alloy mobile phone frames low, which is not conducive to meeting production needs. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a multi-link force-enhancing clamping fixture for a mobile phone frame, which solves the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A multi-link force-enhancing clamping fixture for a mobile phone frame comprises a bottom plate, branch pipes are installed near the four corners of the bottom plate, a support plate is installed at the other end of the branch pipe, a double-force cylinder is fixedly installed on the side of the bottom plate close to one side of the branch pipe, a first connecting rod mechanism is hingedly installed on the output end of the double-force cylinder, and the output end of the double-force cylinder can be connected to the first connecting rod mechanism for a short distance sliding, a fixture base plate is fixedly installed on the middle part of one side of the support plate away from the branch pipe, a product middle pressure seat and a product end pressure seat are installed on the plate surface of the fixture base plate, and the product middle pressure seat and the product end pressure seat are fixedly installed on the plate surface of the fixture base plate. A groove is provided in the middle of the product end pressure seat, and a fixing module is installed inside the groove. The product end pressure seat and the product middle pressure seat are respectively fixedly installed with a first connecting arm and a second connecting arm through the fixing module. The support plate surface is penetrated by a first rod groove and a second rod groove for accommodating the first connecting arm and the second connecting arm, and the end of the first connecting arm is slidably and rotatably connected to the first connecting rod mechanism, the end of the second connecting arm is slidably sleeved with a second connecting rod mechanism, and the other end of the second connecting rod mechanism is hinged and slidably connected to the output part of the double force cylinder.

[0007] Preferably, an assembly groove group is provided through the surface of the base plate, and the double-force cylinder comprises a double-force cylinder body and a double-force cylinder piston rod, and the double-force cylinder piston rod is arranged inside the double-force cylinder body; a cylinder body bracket is fixedly installed on the end of the double-force cylinder body, and the end of the double-force cylinder body is fixedly installed on the base plate through the cylinder body bracket; a first hoop seat mechanism and a second hoop seat mechanism are fixedly installed on the bottom surface of the support plate, the first connecting rod mechanism is rotatably installed in the first hoop seat mechanism, and the second connecting rod mechanism is rotatably installed on the second hoop seat mechanism; a limiting module is fixedly installed on one side of the top surface of the support plate, and the other two symmetrical sides of the top surface of the support plate are fixedly installed with thrust cylinders, and a push block module is installed on the output end.

[0008] Preferably, the first connecting rod mechanism includes a first rod arm and a rod end strip groove, wherein the rod end strip groove penetrates and is opened at the end of the first rod arm; an articulated frame is fixedly installed at the end of the piston rod of the double-force cylinder, and the end of the articulated frame is slidably overlapped inside the rod end strip groove.

[0009] Preferably, the first connecting arm includes a first arm shaft and a first movable shaft, the first movable shaft is rotatably mounted on the end of the first arm shaft, and the first movable shaft is rotatably connected to the end of the first connecting rod mechanism and can be slidably connected in a short distance.

[0010] Preferably, the second connecting arm includes a second arm shaft and a second movable shaft, the second movable shaft is rotatably mounted on the end of the second arm shaft, and the second movable shaft is rotatably connected to the end of the second connecting rod mechanism and can be slidably connected in a short distance.

[0011] Preferably, the first hoop seat mechanism includes a first hoop sleeve and a first hoop shaft, the first hoop shaft is fixedly installed in the middle of the first hoop sleeve, and the first hoop shaft is rotatably connected to the first connecting rod mechanism; the second hoop seat mechanism includes a second hoop sleeve and a second hoop shaft, the second hoop shaft is fixedly installed in the middle of the second hoop sleeve, and the second hoop shaft is rotatably connected to the second connecting rod mechanism.

[0012] Preferably, the articulated frame includes a transverse seat block, a longitudinal seat block and a twisted shaft, the transverse seat block is fixedly connected to the piston rod of the double-force cylinder and the longitudinal seat block respectively, the twisted shaft is fixedly connected to the longitudinal seat block, and the twisted shaft can be rotatably connected and slidably connected in the strip groove at the rod end.

[0013] Preferably, the assembly groove group includes a strip-shaped assembly groove, a branch pipe assembly groove and an assembly screw hole, and the assembly screw hole, the strip-shaped assembly groove and the branch pipe assembly groove are all opened through the surface of the base plate; the cylinder body bracket includes a bracket plate, a bracket angle hole and a bracket bolt, and the Beili cylinder body is fixedly installed on the bracket plate surface, and the bracket plate is fixedly connected to the base plate through the bracket bolts.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The multi-link force-enhancing clamping fixture for a mobile phone frame greatly enhances the clamping effect on the mobile phone frame workpiece by adopting a design of multiple link traction. It pulls the mobile phone frame workpiece through the traction of the lever principle and uses a multi-force cylinder as a power drive guarantee to achieve traction, and then achieve the coordination of multiple links to achieve clamping, thereby achieving the effect of facilitating the clamping and fixing of the mobile phone frame workpiece. Even when fixing a titanium alloy mobile phone frame workpiece with large cutting resistance, it can maintain continuous and stable clamping and fixing, thereby maintaining the stability of the product, improving processing efficiency, and being conducive to meeting the processing needs of titanium alloy mobile phone frames. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional view of the structure of the present invention;

[0017] Figure 2 Another stereoscopic view of the structure of the present invention;

[0018] Figure 3 It is a three-dimensional view of the local structure of the present invention;

[0019] Figure 4 It is another partial structural stereoscopic view of the present invention;

[0020] Figure 5 It is another partial structural stereoscopic view of the present invention;

[0021] Figure 6 This is another partial structural stereoscopic view of the present invention.

[0022] In the figure: 1, bottom plate; 2, assembly groove group; 3, cylinder bracket; 4, double force cylinder; 5, articulated frame; 6, first connecting rod mechanism; 7, branch pipe; 8, support plate; 9, fixture base plate; 10, product middle pressure seat; 11, product end pressure seat; 12, groove; 13, fixing module; 14, first rod groove; 15, second rod groove; 16, first connecting arm; 17, second connecting arm; 18, first hoop seat mechanism; 19, second hoop seat mechanism; 20, second connecting rod mechanism; 21, limit module; 22, thrust cylinder; 23, push block module;

[0023] 201, strip-shaped assembly groove; 202, branch pipe assembly groove; 203, assembly screw hole; 301, bracket plate; 302, bracket angle hole; 303, bracket bolt; 401, double-strength cylinder body; 402, double-strength cylinder piston rod; 501, horizontal seat block; 502, vertical seat block; 503, twisting shaft; 601, first lever arm; 602, rod end strip-shaped groove; 1601, first arm shaft; 1602, first movable shaft; 1701, second arm shaft; 1702, second movable shaft; 1801, first hoop sleeve; 1802, first hoop shaft; 1901, second hoop sleeve; 1902, second hoop shaft; DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example:

[0026] Reference Figure 1-6 A multi-link force-enhancing clamping fixture for a mobile phone frame includes a bottom plate 1, a branch pipe 7 is installed near the four corners of the bottom plate 1, a support plate 8 is installed at the other end of the branch pipe 7, a double-force cylinder 4 is fixedly installed on the side of the bottom plate 1 close to the branch pipe 7, a first connecting rod mechanism 6 is hingedly installed at the output end of the double-force cylinder 4, and the output end of the double-force cylinder 4 can be connected to the first connecting rod mechanism 6 for a short distance sliding, a fixture base plate 9 is fixedly installed in the middle of the side of the support plate 8 away from the branch pipe 7, a product middle pressure seat 10 and a product end pressure seat 11 are installed on the plate surface of the fixture base plate 9, and the middle parts of the product middle pressure seat 10 and the product end pressure seat 11 are A groove 12 is provided, and a fixing module 13 is installed inside the groove 12. The product end pressure seat 11 and the product middle pressure seat 10 are respectively fixedly installed with a first connecting arm 16 and a second connecting arm 17 through the fixing module 13. The support plate 8 is penetrated by a first rod groove 14 and a second rod groove 15 for accommodating the first connecting arm 16 and the second connecting arm 17. The end of the first connecting arm 16 is slidably and rotatably connected to the first connecting rod mechanism 6. The end of the second connecting arm 17 is slidably sleeved with a second connecting rod mechanism 20, and the other end of the second connecting rod mechanism 20 is hinged and slidably connected to the output part of the double-force cylinder 4.

[0027] In the present invention, the plate surface of the bottom plate 1 is penetrated with an assembly groove group 2, the double-force cylinder 4 includes a double-force cylinder body 401 and a double-force cylinder piston rod 402, and the double-force cylinder piston rod 402 is arranged inside the double-force cylinder body 401; the end of the double-force cylinder body 401 is fixedly installed with a cylinder body bracket 3, and the end of the double-force cylinder body 401 is fixedly installed with the bottom plate 1 through the cylinder body bracket 3; the bottom surface of the support plate 8 is fixedly installed with a first hoop seat mechanism 18 and a second hoop seat mechanism 19, the first connecting rod mechanism 6 is rotatably installed in the first hoop seat mechanism 18, and the second connecting rod mechanism 20 is rotatably installed in the second hoop seat mechanism 19; a limited position module 21 is fixedly installed on one side of the top surface of the support plate 8, and the other two symmetrical side surfaces of the top surface of the support plate 8 are fixedly installed with a thrust cylinder 22, and a push block module 23 is installed at the output end;

[0028] More specifically, a first hoop seat mechanism 18 and a second hoop seat mechanism 19 are provided to provide axial support for the first connecting rod mechanism 6 and the second connecting rod mechanism 20, and a thrust cylinder 22 and a push block module 23 are provided to clamp and constrain the workpiece.

[0029] In the present invention, the first connecting rod mechanism 6 includes a first lever arm 601 and a rod end strip groove 602, and the rod end strip groove 602 penetrates and is opened at the end of the first lever arm 601; the end of the double force cylinder piston rod 402 is fixedly installed with an articulated frame 5, and the end of the articulated frame 5 is slidably overlapped inside the rod end strip groove 602;

[0030] More specifically, by arranging the end of the articulated frame 5 to slide and overlap inside the rod end strip groove 602 , the end of the articulated frame 5 can also be turned over and moved in the rod end strip groove 602 .

[0031] In the present invention, the first connecting arm 16 includes a first arm shaft 1601 and a first movable shaft 1602. The first movable shaft 1602 is rotatably mounted on the end of the first arm shaft 1601, and the first movable shaft 1602 is rotatably connected to the end of the first connecting rod mechanism 6 and can be slidably connected in a short distance.

[0032] More specifically, the first movable shaft 1602 is rotatably connected to the end of the first connecting rod mechanism 6 and can be slidably connected over a short distance, so that there is displacement space when the first connecting rod mechanism 6 rotates slightly to avoid jamming.

[0033] In the present invention, the second connecting arm 17 includes a second arm shaft 1701 and a second movable shaft 1702, the second movable shaft 1702 is rotatably mounted on the end of the second arm shaft 1701, and the second movable shaft 1702 is rotatably connected to the end of the second link mechanism 20 and can be slidably connected in a short distance;

[0034] More specifically, by providing the second movable shaft 1702 to be rotatably connected to the end of the second link mechanism 20 and to be slidably connected over a short distance, displacement space can be provided when the second link mechanism 20 is slightly rotated, thereby avoiding jamming.

[0035] In the present invention, the first hoop seat mechanism 18 includes a first hoop sleeve 1801 and a first hoop shaft 1802, the first hoop shaft 1802 is fixedly installed in the middle of the first hoop sleeve 1801, and the first hoop shaft 1802 is rotatably plugged into the first connecting rod mechanism 6; the second hoop seat mechanism 19 includes a second hoop sleeve 1901 and a second hoop shaft 1902, the second hoop shaft 1902 is fixedly installed in the middle of the second hoop sleeve 1901, and the second hoop shaft 1902 is rotatably plugged into the second connecting rod mechanism 20;

[0036] More specifically, the second hoop shaft 1902 is rotatably connected to the second link mechanism 20, and the first hoop shaft 1802 is rotatably connected to the first link mechanism 6, so that when the second link mechanism 20 and the first link mechanism 6 rotate slightly, the second link mechanism 20 and the first hoop shaft 1802 are used as the axis.

[0037] In the present invention, the articulated frame 5 includes a horizontal seat block 501, a vertical seat block 502 and a twisting shaft 503. The horizontal seat block 501 is fixedly connected to the piston rod 402 of the double force cylinder and the vertical seat block 502 respectively. The twisting shaft 503 is fixedly connected to the vertical seat block 502, and the twisting shaft 503 can be rotatably connected and slidably connected in the rod end strip groove 602.

[0038] More specifically, the twist shaft 503 is arranged to be rotationally connected and slidably connected in the rod end strip groove 602, that is, when the entire structure is pulled, the structure here can slide during the rotation process to avoid getting stuck.

[0039] In the present invention, the assembly groove group 2 includes a strip assembly groove 201, a branch pipe assembly groove 202 and an assembly screw hole 203, and the assembly screw hole 203, the strip assembly groove 201 and the branch pipe assembly groove 202 are all opened through the plate surface of the bottom plate 1; the cylinder body bracket 3 includes a bracket plate 301, a bracket angle hole 302 and a bracket bolt 303, the double force cylinder cylinder body 401 is fixedly installed on the plate surface of the bracket plate 301, and the bracket plate 301 is fixedly connected to the bottom plate 1 through the bracket bolt 303;

[0040] More specifically, by integrating the power cylinder body 401 on the surface of the bracket plate 301 and connecting and assembling through the bracket plate 301, assembly can be facilitated and the inconvenience of directly welding the power cylinder body 401 and other installations can be avoided.

[0041] Working principle: When the mobile phone frame workpiece is pressed and fixed, it is fixed in advance by the product middle pressure seat 10 and the product end pressure seat 11, and then the double-force cylinder 4 is started, so that the double-force cylinder 4 drives the output piston inside it to be pushed out, which can drive the first connecting rod mechanism 6 and the second connecting rod mechanism 20 to rotate, and the first connecting rod mechanism 6 and the second connecting rod mechanism 20 respectively pull the first connecting arm 16 and the second connecting arm 17 to move, and the structures connected at both ends of the first connecting rod mechanism 6 and the second connecting arm 20 are movable connections that can be displaced a distance at one end, so it can avoid jamming during slight flipping, and the traction of the first connecting arm 16 and the second connecting arm 17 can continue to pull and press the originally fixed mobile phone frame workpiece.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mobile phone frame multi-link force-enhancing clamping fixture, comprising a bottom plate (1), characterized in that: The bottom plate (1) is provided with branch pipes (7) near the four corners, and a support plate (8) is provided at the other end of the branch pipe (7). A force cylinder (4) is fixedly provided on the side of the bottom plate (1) near the branch pipe (7), and a first connecting rod mechanism (6) is hingedly provided on the output end of the force cylinder (4), and the output end of the force cylinder (4) can be connected to the first connecting rod mechanism (6) in a short-distance sliding manner. A jig base plate (9) is fixedly provided on the middle part of the support plate (8) away from the branch pipe (7), and a product middle pressure seat (10) and a product end pressure seat (11) are provided on the plate surface of the jig base plate (9), and a groove (12) is provided in the middle of each of the product middle pressure seat (10) and the product end pressure seat (11). ), a fixing module (13) is installed inside the groove (12), the product end pressure seat (11) and the product middle pressure seat (10) are respectively fixedly installed with a first connecting arm (16) and a second connecting arm (17) through the fixing module (13), the support plate (8) is provided with a first rod groove (14) and a second rod groove (15) for accommodating the first connecting arm (16) and the second connecting arm (17), and the end of the first connecting arm (16) is slidably connected and rotatably connected to the first connecting rod mechanism (6), the end of the second connecting arm (17) is slidably sleeved with a second connecting rod mechanism (20), and the other end of the second connecting rod mechanism (20) is hinged and slidably connected to the output part of the double force cylinder (4).

2. According to claim 1, a mobile phone frame multi-link force-enhancing clamping fixture is characterized in that: The surface of the bottom plate (1) is provided with an assembly groove group (2); the double-force cylinder (4) comprises a double-force cylinder body (401) and a double-force cylinder piston rod (402); the double-force cylinder piston rod (402) is arranged inside the double-force cylinder body (401); a cylinder body bracket (3) is fixedly installed at the end of the double-force cylinder body (401); the end of the double-force cylinder body (401) is fixedly installed with the bottom plate (1) through the cylinder body bracket (3); the bottom of the support plate (8) A first hoop seat mechanism (18) and a second hoop seat mechanism (19) are fixedly installed on the surface; the first connecting rod mechanism (6) is rotatably installed in the first hoop seat mechanism (18), and the second connecting rod mechanism (20) is rotatably installed in the second hoop seat mechanism (19); a limit module (21) is fixedly installed on one side of the top surface of the support plate (8), and thrust cylinders (22) are fixedly installed on the other two symmetrical side edges of the top surface of the support plate (8), and a push block module (23) is installed on the output end.

3. A mobile phone frame multi-link force-enhancing clamping fixture according to claim 2, characterized in that: The first connecting rod mechanism (6) comprises a first rod arm (601) and a rod end strip groove (602), wherein the rod end strip groove (602) penetrates and is opened at the end of the first rod arm (601); an articulated frame (5) is fixedly mounted on the end of the piston rod (402) of the double-force cylinder, and the end of the articulated frame (5) is slidably overlapped inside the rod end strip groove (602).

4. A mobile phone frame multi-link force-enhancing clamping fixture according to claim 1, characterized in that: The first connecting arm (16) comprises a first arm shaft (1601) and a first movable shaft (1602), wherein the first movable shaft (1602) is rotatably mounted on the end of the first arm shaft (1601), and the first movable shaft (1602) is rotatably connected to the end of the first connecting rod mechanism (6) and can be slidably connected over a short distance.

5. According to claim 1, a mobile phone frame multi-link force-enhancing clamping fixture is characterized in that: The second connecting arm (17) comprises a second arm shaft (1701) and a second movable shaft (1702), wherein the second movable shaft (1702) is rotatably mounted on the end of the second arm shaft (1701), and the second movable shaft (1702) is rotatably connected to the end of the second connecting rod mechanism (20) and can be slidably connected over a short distance.

6. A mobile phone frame multi-link force-enhancing clamping fixture according to claim 1, characterized in that: The first hoop seat mechanism (18) comprises a first hoop sleeve (1801) and a first hoop shaft (1802), wherein the first hoop shaft (1802) is fixedly mounted in the middle of the first hoop sleeve (1801), and the first hoop shaft (1802) is rotatably plugged into the first connecting rod mechanism (6); the second hoop seat mechanism (19) comprises a second hoop sleeve (1901) and a second hoop shaft (1902), wherein the second hoop shaft (1902) is fixedly mounted in the middle of the second hoop sleeve (1901), and the second hoop shaft (1902) is rotatably plugged into the second connecting rod mechanism (20).

7. A mobile phone frame multi-link force-enhancing clamping fixture according to claim 3, characterized in that: The articulated frame (5) comprises a transverse seat block (501), a longitudinal seat block (502) and a twisting shaft (503); the transverse seat block (501) is fixedly connected to the piston rod of the double force cylinder (402) and the longitudinal seat block (502) respectively; the twisting shaft (503) is fixedly connected to the longitudinal seat block (502), and the twisting shaft (503) can be rotatably connected and slidably connected in the rod end strip groove (602).

8. The multi-link force-enhancing clamping fixture for a mobile phone frame according to claim 2, characterized in that: The assembly groove group (2) comprises a strip-shaped assembly through groove (201), a branch pipe assembly groove (202) and an assembly screw hole (203); the assembly screw hole (203), the strip-shaped assembly through groove (201) and the branch pipe assembly groove (202) are all opened through the plate surface of the bottom plate (1); the cylinder body bracket (3) comprises a bracket plate (301), a bracket angle hole (302) and a bracket bolt (303); the double-force cylinder body (401) is fixedly mounted on the plate surface of the bracket plate (301); the bracket plate (301) is fixedly connected to the bottom plate (1) via the bracket bolt (303).

Images