Adjustable precision crimping equipment

Abstract

The utility model relates to the technical field of radio frequency connector crimping, and discloses an adjustable precision crimping device, which comprises a base, a vertical column fixed on the base through a bolt, a lifting device connected with the vertical column, a fine adjustment device connected with the lifting device, a punch connected with the fine adjustment device, and the lifting device is used for roughly adjusting the height of the punch. The fine adjustment device is used for finely adjusting the height of the punch. According to the adjustable precise crimping equipment, the punch on which a part is placed is fixed to the lower end of the clamping shaft through the screw, then a radio-frequency connector product is fixed to the base through the clamp tool, an assembly groove in the product is coaxial with the part, the lifting device is adjusted according to the height of the product, the position of the punch is roughly adjusted in the vertical direction, and the precision of the radio-frequency connector product is improved. After rough adjustment, the adjusting nut is rotated, the adjusting nut drives the clamping shaft to move, and therefore the punch fixed to the clamping shaft is driven to move in the vertical direction, fine adjustment of the height of the punch is achieved, the device can be suitable for products of different types, and the press-fit cost of the products and parts is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of radio frequency connector crimping, in particular to an adjustable precision crimping device. Background Art

[0002] Presses are often used in the assembly process of RF communication connectors, mainly to press parts such as outer conductors, dielectric bodies, and inner conductors into the product.

[0003] Since conventional presses have fixed strokes and each RF connector product has a different height, customized tooling (i.e., presses) is required to limit the crimping of parts and products. During crimping, the punch with the parts placed on it is fixed to the press-fit end of the customized tooling, and then the product is fixed to the base with a clamp. By pressing the handle on the customized tooling, the parts in the punch are assembled into the RF connector product. However, the RF connector industry has a large number of customized products, resulting in a variety of product types, and customizing tooling with the appropriate height for each product will incur high costs. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable precision crimping device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable precision crimping device, comprising: a base, the base is fixed with a column by bolts, the column is connected to a lifting device, the lifting device is connected to a fine-tuning device, the fine-tuning device is connected to a punch, the lifting device is used to coarsely adjust the height of the punch, the fine-tuning device is used to fine-tune the height of the punch, the fine-tuning device comprises a main shaft, a sliding rod passes through the main shaft, the sliding rod sleeve is provided with a spring sheet, a clamping shaft is fixed to the lower end of the sliding rod, the clamping shaft sleeve is provided with an adjusting nut with a pitch of 0.1 mm, and the adjusting nut is threadedly connected to the main shaft.

[0006] Preferably, the lifting device comprises an upper pressing block, and the upper pressing block is fixed to the column by bolts.

[0007] Preferably, the upper pressing block is threadedly connected to a double-headed threaded rod, and the double-headed threaded rod is threadedly connected to an adjusting block.

[0008] Preferably, the adjustment block is located on one side of the column, and a side pressure plate is provided on the other side of the column. The side pressure plate, the column and the adjustment block are fixed by bolts.

[0009] Preferably, the main shaft is provided with a slide groove, and the spring piece is located in the slide groove.

[0010] Preferably, the main shaft is provided with a receiving cavity, and the receiving cavity is provided with a limiting groove outwardly.

[0011] Preferably, the upper portion of the card shaft is arranged in the accommodating cavity, and a key groove is provided on the side wall of the card shaft.

[0012] Preferably, a key block is arranged in the key slot, and the key block is engaged with the limiting groove.

[0013] Preferably, the main shaft is provided with an external thread, and the pitch of the external thread is 0.1 mm.

[0014] Preferably, the slide rod is threadably connected to the clamping shaft.

[0015] The adjustable precision crimping equipment has the following beneficial effects:

[0016] This adjustable precision crimping equipment fixes the punch with the part placed on it to the lower end of the clamping shaft through a screw, and then fixes the RF connector product to the base through a fixture, so that the assembly groove in the product is coaxial with the part. The lifting device is adjusted according to the height of the product to make a rough adjustment of the punch position in the vertical direction. After the rough adjustment, the adjusting nut is turned, and the adjusting nut drives the clamping shaft to move, thereby driving the punch fixed on the clamping shaft to move in the vertical direction, so as to achieve fine adjustment of the punch height. It can adapt to different types of products and reduce the press-fitting cost of products and parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of an adjustable precision crimping device provided in an embodiment of the present application;

[0018] Figure 2 An exploded view of an adjustable precision crimping device provided in an embodiment of the present application;

[0019] Figure 3 for Figure 2 Sectional view of the central spindle;

[0020] Figure 4 is an assembly diagram of component one;

[0021] Figure 5 This is the assembly diagram of component 2;

[0022] Figure 6 This is the assembly diagram of component three;

[0023] Figure 7 This is the assembly diagram of component four;

[0024] Figure 8 This is the assembly diagram of component five;

[0025] Fig. 9 This is the assembly diagram of component six;

[0026] Fig.10A schematic diagram of an adjustable precision crimping device for assembling component five and component six;

[0027] Fig.11 for Figure 1 A front cross-sectional view of

[0028] Fig.12 for Figure 1 A side cross-sectional view of

[0029] Fig.13 for Fig.12 Enlarged view of point A in the middle.

[0030] In the figure: 1. base; 2. column; 3. lifting device; 31. upper pressure block; 32. double-headed threaded rod; 33. adjustment block; 34. side pressure plate; 4. fine-tuning device; 41. main shaft; 42. slide rod; 43. slide groove; 44. spring piece; 45. accommodating cavity; 46. limit groove; 47. external thread; 48. clamping shaft; 49. keyway; 410. key block; 411. adjusting nut; 5. press-fit device; 51. handle rod; 52. handle; 53. handle; 54. crankshaft; 55. connecting rod. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] like Figure 1 , Figure 2 As shown, the utility model provides an adjustable precision crimping device, comprising: a base 1, and a column 2 is fixed to the base 1 by bolts.

[0033] Among them, Figure 1 As shown, the column 2 is connected to the lifting device 3, the lifting device 3 is connected to the fine-tuning device 4, the fine-tuning device 4 is connected to the punch, the lifting device 3 is used for coarsely adjusting the height of the punch, and the fine-tuning device 4 is used for finely adjusting the height of the punch.

[0034] Specifically, Figure 1-Figure 2 , Fig.11As shown, the lifting device 3 includes an upper pressure block 31, which is fixed to the column 2 by bolts. The upper pressure block 31 is threadedly connected with a double-headed threaded rod 32, and the lower end of the double-headed threaded rod 32 is threadedly connected with an adjusting block 33. The adjusting block 33 is located on one side of the column 2, and a side pressure plate 34 is arranged on the other side of the column 2. The column 2 is provided with a long strip hole, and the side pressure plate 34 and the adjusting block 33 can move vertically along the long strip hole. Bolts pass through the long strip hole to fix the side pressure plate 34 and the adjusting block 33 on the column 2.

[0035] like Figure 1-Figure 3 , Figure 11-13 As shown, the fine-tuning device 4 includes a main shaft 41, the main shaft 41 passes through the adjustment block 33, and the main shaft 41 passes through a slide rod 42, the slide rod 42 is sleeved with a spring 44, the main shaft 41 is provided with a slide groove 43, the spring 44 is located in the slide groove 43, the lower end of the slide rod 42 is threadedly fixed with a clamping shaft 48, the main shaft 41 is provided with a receiving cavity 45, the upper part of the clamping shaft 48 is arranged in the receiving cavity 45, and the side wall of the clamping shaft 48 is provided with a key groove 49 (as shown in FIG. Fig. 9 As shown in the figure, a key block 410 is arranged in the key slot 49, and a limiting slot 46 is formed outwardly of the accommodating cavity 45. The key block 410 is engaged with the limiting slot 46 to prevent the clamping shaft 48 and the main shaft 41 from rotating relative to each other.

[0036] Furthermore, the main shaft 41 is provided with an external thread 47 , the pitch of the external thread 47 is 0.01 mm, the clamping shaft 48 is sleeved with an adjusting nut 411 with a pitch of 0.1 mm, and the adjusting nut 411 is threadedly connected to the main shaft 41 .

[0037] In this embodiment, the punch with the parts placed on it is fixed to the lower end of the card shaft 48 by a screw, and then the RF connector product is fixed to the base 1 by a fixture, so that the assembly groove in the product is coaxial with the parts, and the lifting device 3 is adjusted according to the height of the product. The adjustment block 33 is fixed at a preset height by bolts and double-headed threaded rods 32, so that the position of the punch can be roughly adjusted in the vertical direction. After the rough adjustment, the adjustment nut 411 is rotated, and the adjustment nut 411 drives the card shaft 48 to move, thereby driving the punch fixed on the card shaft 48 to move in the vertical direction, so as to achieve fine adjustment of the punch height, improve the accuracy of the press-fit, and can adapt to different types of products, reduce the press-fit cost of products and parts, and can also reduce the manufacturing cost of the equipment. In addition, the press-fit depth can be positioned by the cooperation of the lifting device 3 and the fine-tuning device 4, which is more suitable for press-fitting at the same depth of large-scale products, and improves the processing efficiency.

[0038] Specifically, when the adjusting nut 411 is rotated clockwise, the adjusting nut 411 moves downward and presses down the clamping shaft 48, and the clamping shaft 48 drives the slide rod 42 to slide downward, and the slide rod 42 squeezes the spring sheet 44 downward. While the spring sheet 44 undergoes elastic deformation, it also supports the slide rod 42 and the clamping shaft 48; when the adjusting nut 411 is rotated counterclockwise, the adjusting nut 411 moves upward, and the slide rod 42 moves upward under the action of the spring sheet 44, and the slide rod 42 drives the clamping shaft 48 to move upward synchronously, thereby realizing that the height of the punch fixed on the clamping shaft 48 can be adjusted by rotating the adjusting nut 411.

[0039] like Figure 1-Figure 2 , Fig.11 As shown, the adjustment block 33 is connected to the press-fit device 5, and the press-fit device 5 includes a handle rod 51, one end of the handle rod 51 is threadedly connected to a handle 52, and the other end is threadedly connected to a handle 53, and the handle 53 is fixed to a crankshaft 54 ​​by bolts, and the crankshaft 54 ​​is pin-connected to the adjustment block 33, and the crankshaft 54 ​​is pin-connected to a connecting rod 55, and one end of the connecting rod 55 is pin-connected to the upper end of the main shaft 41.

[0040] In the present application, when the part in the punch is press-fitted into the product, the handle 52 is pressed down, the handle 53 rotates and drives the crankshaft 54 ​​and the connecting rod 55 to rotate. Under the action of the connecting rod 55, the main shaft 41 slides downward in the adjusting block 33, and the downward moving adjusting block 33 drives the punch to be pressed down, and the punch presses the part onto the product. After the press-fit is in place, the handle 52 is lifted, and a press-fit action is completed.

[0041] When assembling the adjustable precision crimping device, the top end of the double-threaded rod 32 is screwed into the upper pressing block 31, and the upper pressing block 31 is placed on the top of the column 2 to form a component (such as Figure 4 As shown), the adjusting block 33 is installed at the lower end of the double-headed threaded rod 32, and the side pressure plate 34 and the adjusting block 33 are fixed to the column 2 by bolts, and the upper pressure block 31 is fixed to the column 2 by bolts to form a second assembly (as shown in FIG. Figure 5 As shown), one end of the handle bar 51 is screwed into the handle 52, and the other end is screwed into the handle 53 to form a handle assembly. The hexagonal boss of the crankshaft 54 ​​is installed into the hexagonal hole on the handle 53 and fixed with bolts to form assembly three (as shown in FIG. Figure 6 As shown), the upper end of the connecting rod 55 is inserted into the groove of the crankshaft 54 ​​and connected by a pin, and the lower end of the connecting rod 55 is rotated into the groove at the upper end of the main shaft 41 and is also connected by a pin to form a component four (as shown in FIG. Figure 7 As shown), the main shaft 41 is assembled into the adjustment block 33 in the second component, and the crankshaft 54 ​​is pinned to the adjustment block 33 to form the fifth component (as shown in FIG. Figure 8 As shown), take the clamp shaft 48, sleeve the adjusting nut 411 on the clamp shaft 48, and then clamp the key block 410 into the key slot 49 on the clamp shaft 48 to form component six (as shown in FIG. Fig. 9As shown), insert the clamping shaft 48 in the component six into the main shaft 41 in the component five, and the operator uses an external screwdriver to extend from the top into the slide groove 43 in the main shaft 41 (as shown in FIG. Fig.13 As shown), the slide rod 42 is connected to the clamping shaft 48 to be fixed, and then the adjusting nut 411 is rotated to connect the adjusting nut 411 to the main shaft 41, and the assembly is completed (as shown in FIG. Fig.10 shown).

[0042] Working principle: fix the punch with the part placed on it to the lower end of the clamping shaft 48 through a screw, and then fix the RF connector product to the base 1 through a fixture, so that the assembly groove in the product is coaxial with the part, adjust the lifting device 3 according to the height of the product, fix the adjusting block 33 at a preset height through bolts and double-headed threaded rods 32, so that the position of the punch can be roughly adjusted in the vertical direction, and after the rough adjustment, rotate the adjusting nut 411, and the adjusting nut 411 drives the clamping shaft 48 to move, thereby driving the punch fixed on the clamping shaft 48 to move in the vertical direction to achieve fine adjustment of the punch height. After the punch position is adjusted, press down the handle 52, the handle 53 rotates and drives the crankshaft 54 ​​and the connecting rod 55 to rotate, and under the action of the connecting rod 55, the main shaft 41 slides downward in the adjusting block 33, and the downward moving adjusting block 33 drives the punch to press down, and the punch presses the part onto the product. After the press-fit is in place, lift the handle 52, and a press-fit action is completed.

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

Claims

1. An adjustable precision crimping device, characterized in that: include: A base (1), wherein the base (1) is fixed with a column (2) by bolts; The column (2) is connected to a lifting device (3), the lifting device (3) is connected to a fine-tuning device (4), the fine-tuning device (4) is connected to a punch, the lifting device (3) is used to roughly adjust the height of the punch, and the fine-tuning device (4) is used to fine-tune the height of the punch; The fine-tuning device (4) comprises a main shaft (41), a sliding rod (42) passing through the main shaft (41), a spring sheet (44) sleeved on the sliding rod (42), a clamping shaft (48) fixed at the lower end of the sliding rod (42), an adjusting nut (411) with a pitch of 0.1 mm sleeved on the clamping shaft (48), and the adjusting nut (411) is threadedly connected to the main shaft (41).

2. The adjustable precision crimping device according to claim 1, characterized in that: The lifting device (3) comprises an upper pressing block (31), and the upper pressing block (31) is fixed to the column (2) by means of bolts.

3. The adjustable precision crimping device according to claim 2, characterized in that: The upper pressing block (31) is threadedly connected to a double-headed threaded rod (32), and the double-headed threaded rod (32) is threadedly connected to an adjusting block (33).

4. The adjustable precision crimping device according to claim 3, characterized in that: The adjusting block (33) is located on one side of the column (2), and a side pressure plate (34) is provided on the other side of the column (2); the side pressure plate (34), the column (2) and the adjusting block (33) are fixed by bolts.

5. The adjustable precision crimping device according to claim 1, characterized in that: The main shaft (41) is provided with a slide groove (43), and the spring piece (44) is located in the slide groove (43).

6. The adjustable precision crimping device according to claim 5, characterized in that: The main shaft (41) is provided with a receiving cavity (45), and the receiving cavity (45) is provided with a limiting groove (46) outwardly.

7. The adjustable precision crimping device according to claim 6, characterized in that: The upper portion of the clamping shaft (48) is arranged in the accommodating cavity (45), and a key groove (49) is provided on the side wall of the clamping shaft (48).

8. The adjustable precision crimping device according to claim 7, characterized in that: A key block (410) is arranged in the key slot (49), and the key block (410) is engaged with the limiting slot (46).

9. The adjustable precision crimping device according to claim 1, characterized in that: The main shaft (41) is provided with an external thread (47), and the pitch of the external thread (47) is 0.01 mm.

10. The adjustable precision crimping device according to claim 1, characterized in that: The sliding rod (42) is threadedly connected to the clamping shaft (48).

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