Automatic pressing device for workpiece floating height

Abstract

The utility model discloses a workpiece floating height automatic pressing device, which relates to the technical field of automatic pressing devices and comprises a lower fixing frame, and a product main body is arranged at the top end of the lower fixing frame. The lower fixing frame comprises a supporting frame, the bottom end of the supporting frame is slidably connected with a top plate, the side wall of the supporting frame is fixedly connected with two sets of first hydraulic rods, the tail ends of the two sets of first hydraulic rods are fixedly connected to the side wall of the top plate, and the inner wall of the supporting frame is slidably connected with two sets of sliding rods. By pushing the sliding sleeve, the threaded sleeve is aligned with the fixing hole position of the product main body, and then the ejector rod is pulled through the first hydraulic rod, so that the ejector rod abuts against the bottom end of the sliding sleeve, the position of the sliding sleeve cannot be moved, and the position of the sliding sleeve is adjusted; and the position of the threaded sleeve can be flexibly adjusted when products of different models are machined, so that the adaptive capacity is higher in the machining and production process.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic pressing devices, and particularly relates to an automatic pressing device for the floating height of workpieces. Background Technique

[0002] PCB, also known as printed circuit board, is an important electronic component, a support for electronic components, and a carrier for the electrical connection of electronic components. Since it is made by electronic printing technology, it is called a "printed" circuit board. In the PCB production process, after the PCB insertion section completes the insertion, there is often a risk of floating height caused by some incomplete insertions. In order to check and reduce the floating height risk during furnace passing, manual pressing of the insertions with a rod-shaped object is arranged in front of the furnace, which consumes manpower and increases the manufacturing cost.

[0003] An automatic pressing device for the floating height of workpieces disclosed in the existing patent (publication number: CN216544836U) relates to the technical field of PCB processing. It includes a driving device, a support plate, and a spring pressing column. The driving device includes a top plate and a cylinder for driving the top plate. An edge cushion plate is arranged on the top of the top plate, a cross bar is arranged on the top of the edge cushion plate, a product body to be pressed and tested is arranged on the top of the support plate. The support plate is located below the top plate, and a spring pressing column above the product body is arranged on the top of the cross bar. A connecting plate is arranged at the bottom of the support plate. By setting the driving device, the support plate, and the spring pressing column, and the settings of the edge cushion plate, the cross bar, and the adjusting block, it is convenient to adjust the pressing position of the pressing rod, with automated operation. Compared with the conventional manual pressing of PCB inserts, this device saves time and effort, has higher efficiency, and has a simple structure, which is conducive to processing and production, conforms to economic benefits, and has broad application prospects.

[0004] However, the above technical solution still has certain defects. When facing product bodies of different model sizes, the existing technical solution needs to replace special tooling, which makes it time-consuming to fix the product body on the device, and corresponding tooling needs to be prepared for different products, increasing the production cost. Therefore, an automatic pressing device for the floating height of workpieces is proposed. Content of the Utility Model

[0005] Based on this, the purpose of the present utility model is to provide an automatic pressing device for the floating height of workpieces to solve the technical problems raised in the above background.

[0006] To achieve the above purpose, the present utility model provides the following technical solution: An automatic pressing device for the floating height of workpieces, including a lower fixing frame, and a product body is arranged at the top end of the lower fixing frame;

[0007] The lower fixing frame includes a support frame, the bottom end of the support frame is slidably connected with a top plate, two groups of first hydraulic rods are fixedly connected to the side wall of the support frame, and the ends of the two groups of first hydraulic rods are fixedly connected to the side wall of the top plate. Two groups of sliding rods are slidably connected to the inner wall of the support frame, and two groups of sliding sleeves are respectively slidably connected to the inner walls of each group of sliding rods. A threaded sleeve is fixedly connected to the top end of each group of sliding sleeves, and a stud is threadedly connected to the inner wall of the threaded sleeve.

[0008] As a preferred technical solution of the automatic downward pressing device for the floating height of workpieces of the present utility model, the product main body is located at the top of multiple threaded sleeves, and the outer wall of the stud presses on the top of the product main body.

[0009] As a preferred technical solution of the automatic downward pressing device for the floating height of workpieces of the present utility model, an upper fixing frame is fixedly connected to the top end of the support frame. The upper fixing frame includes two groups of support rods, and a sleeve is respectively slidably sleeved on the outer walls of the two groups of support rods. An upper support is fixedly connected between the two groups of sleeves.

[0010] As a preferred technical solution of the automatic downward pressing device for the floating height of workpieces of the present utility model, two groups of second hydraulic rods are fixedly connected to the side wall of the upper support, and the bottom ends of the second hydraulic rods are fixedly connected to the top end of the support frame.

[0011] As a preferred technical solution of the automatic downward pressing device for the floating height of workpieces of the present utility model, multiple adjusting bars are slidably connected to the inner wall of the upper support. Two racks are fixedly connected to the bottom end of the adjusting bar. Multiple support sleeves are respectively slidably connected to the inner walls of each group of adjusting bars.

[0012] As a preferred technical solution of the automatic downward pressing device for the floating height of workpieces of the present utility model, a locking sleeve is slidably sleeved on the inner wall of the support sleeve. Two limiting teeth are fixedly connected to the bottom end of the locking sleeve. The limiting teeth are engaged with the rack. A downward pressing rod is slidably sleeved on the inner wall of the locking sleeve.

[0013] As a preferred technical solution of the automatic downward pressing device for the floating height of workpieces of the present utility model, a first return spring is sleeved on the outer wall of the locking sleeve. The top end of the first return spring is fixedly connected to the outer wall of the locking sleeve, and the bottom end of the first return spring is fixedly connected to the top end of the support sleeve. A second return spring is sleeved on the outer wall of the downward pressing rod. The top end of the second return spring is fixedly connected to the bottom end of the locking sleeve, and the bottom end of the second return spring is fixedly connected to the outer wall of the downward pressing rod.

[0014] In summary, the present utility model mainly has the following beneficial effects:

[0015] 1. The utility model aligns the threaded sleeve with the fixing hole position of the product main body by pushing the sliding sleeve, and then pulls the ejector rod through the first hydraulic rod, so that the ejector rod abuts against the bottom end of the sliding sleeve, making the position of the sliding sleeve immovable, thereby realizing the adjustment of the position of the sliding sleeve, enabling the flexible adjustment of the position of the threaded sleeve when facing products of different models, and thus having stronger adaptability during the processing and production process;

[0016] 2. The utility model drives multiple groups of pressing rods to press down through the second hydraulic rod, so that the pressing rods press on the electronic components, preventing the electronic components from floating up during welding. When the pressing rods contact the electronic components, the pressing rods slide upward to compress the second return spring, and the resilience of the second return spring is used to press the electronic components tightly, improving the adaptability when pressing electronic components of different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the front view structural schematic diagram of the utility model;

[0018] Figure 2 is the exploded structural schematic diagram of the lower fixing frame of the utility model;

[0019] Figure 3 is the bottom view structural schematic diagram of the upper fixing frame of the utility model;

[0020] Figure 4 is the structural schematic diagram of the pressing rod of the utility model.

[0021] In the figure: 1, lower fixing frame; 2, product main body; 3, upper fixing frame;

[0022] 101, support frame; 102, top plate; 103, first hydraulic rod; 104, sliding rod; 105, sliding sleeve; 106, threaded sleeve; 107, stud;

[0023] 301, support rod; 302, sleeve; 303, upper bracket; 304, adjusting strip; 305, rack; 306, support sleeve; 307, locking sleeve; 308, limiting tooth; 309, first return spring; 310, pressing rod; 311, second return spring; 312, second hydraulic rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0025] The following will describe the embodiments of the present utility model according to the overall structure of the present utility model.

[0026] An automatic downward pressing device for the floating height of a workpiece, as Figures 1 to 4 shown, includes a lower fixing frame 1, and a product main body 2 is arranged at the top end of the lower fixing frame 1;

[0027] The lower fixing frame 1 includes a support frame 101, a top plate 102 is slidably connected to the bottom end of the support frame 101, two groups of first hydraulic rods 103 are fixedly connected to the side wall of the support frame 101, and the ends of the two groups of first hydraulic rods 103 are fixedly connected to the side wall of the top plate 102. Two groups of sliding rods 104 are slidably connected to the inner wall of the support frame 101. Two groups of sliding sleeves 105 are respectively slidably connected to the inner wall of each group of sliding rods 104. A set of threaded sleeves 106 are respectively fixedly connected to the top ends of each group of sliding sleeves 105. A stud 107 is threadedly connected to the inner wall of the threaded sleeve 106. The product main body 2 is located at the top ends of multiple groups of threaded sleeves 106, and the outer wall of the stud 107 presses against the top end of the product main body 2.

[0028] By aligning the fixing holes on the product main body 2 with the threaded sleeves 106, and then screwing the studs 107 into the threaded sleeves 106, the product main body 2 is fixed. By previously pushing the sliding rods 104 and the sliding sleeves 105, the sliding rods 104 slide on the inner wall of the support frame 101, and the sliding sleeves 105 slide on the inner wall of the sliding rods 104, so that the threaded sleeves 106 move driven by the sliding sleeves 105, so that the threaded sleeves 106 are aligned with the fixing holes on the product main body 2. Then, the first hydraulic rods 103 drive the top plate 102 to move upward, so that the top plate 102 abuts against the bottom end of the sliding sleeve 105, so that the sliding sleeve 105 cannot move, and the position of the sliding sleeve 105 is fixed.

[0029] Please refer specifically to Figure 2 and Figure 4, a top end of the support frame 101 is fixedly connected with an upper fixing frame 3. The upper fixing frame 3 includes two groups of support rods 301. A set of sleeves 302 are respectively sleeved on outer walls of the two groups of support rods 301 in a sliding manner. An upper support frame 303 is fixedly connected between the two sets of sleeves 302. Two groups of second hydraulic rods 312 are fixedly connected to a side wall of the upper support frame 303. A bottom end of the second hydraulic rod 312 is fixedly connected to the top end of the support frame 101. A plurality of adjusting bars 304 are slidably connected to an inner wall of the upper support frame 303. Two groups of racks 305 are fixedly connected to a bottom end of the adjusting bar 304. A plurality of support sleeves 306 are respectively slidably connected to an inner wall of each group of adjusting bars 304. A locking sleeve 307 is slidably sleeved on an inner wall of the support sleeve 306. Two groups of limiting teeth 308 are fixedly connected to a bottom end of the locking sleeve 307. The limiting teeth 308 are engaged with the racks 305. A pressing rod 310 is slidably sleeved on an inner wall of the locking sleeve 307. A first return spring 309 is sleeved on an outer wall of the locking sleeve 307. A top end of the first return spring 309 is fixedly connected to the outer wall of the locking sleeve 307. A bottom end of the first return spring 309 is fixedly connected to the top end of the support sleeve 306. A second return spring 311 is sleeved on an outer wall of the pressing rod 310. A top end of the second return spring 311 is fixedly connected to the bottom end of the locking sleeve 307. A bottom end of the second return spring 311 is fixedly connected to the outer wall of the pressing rod 310.

[0030] Press down the locking sleeve 307 to make the locking sleeve 307 drive the limiting teeth 308 to move and compress the first return spring 309. At this time, the limiting teeth 308 are separated from the racks 305. Then, push the support sleeve 306 to slide on the inner wall of the adjusting bar 304 and push the adjusting sleeve to slide on the side wall of the upper support frame 303, so as to change the position of the pressing rod 310. Then release the limiting sleeve. At this time, the first return spring 309 rebounds to make the locking sleeve 307 reset, so that the limiting teeth 308 are engaged with the racks 305. At this time, the support sleeve 306 can no longer slide inside the adjusting bar 304. Then, pull the upper support frame 303 through the second hydraulic rod 312 to make the upper support frame 303 drive the sleeve 302 to slide on the outer wall of the support rod 301, so that the pressing rod 310 presses on the electronic component, so that the pressing rod 310 is pushed upward to slide, and the second return spring 311 is compressed. The resilience of the second return spring 311 is used to make the pressing rod 310 press the electronic component.

[0031] During use, by pushing the sliding sleeve 105, the threaded sleeve 106 is aligned with the fixed hole position of the product body 2, and then the ejector rod is pulled by the first hydraulic rod 103, so that the ejector rod abuts against the bottom end of the sliding sleeve 105, making the position of the sliding sleeve 105 immovable, thus realizing the adjustment of the position of the sliding sleeve 105, enabling the flexible adjustment of the position of the threaded sleeve 106 when facing products of different models, and making the adaptability stronger during the processing and production process. The parts not involved in this device are the same as or can be implemented by the prior art.

[0032] Although the embodiments of the present invention have been shown and described, this specific embodiment is only an interpretation of the present invention and is not a limitation to the invention. The specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art can make modifications, substitutions and variations without creative contributions to the embodiments as needed, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A workpiece floating automatic pressing device, comprising a lower fixing frame (1), characterized in that: The top of the lower fixing frame (1) is provided with a product body (2); The lower fixed frame (1) comprises a support frame (101), the bottom end of the support frame (101) is slidably connected to a top plate (102), the side wall of the support frame (101) is fixedly connected to two groups of first hydraulic rods (103), the ends of the two groups of first hydraulic rods (103) are fixedly connected to the side wall of the top plate (102), the inner wall of the support frame (101) is slidably connected to two groups of sliding rods (104), the inner wall of each group of the sliding rods (104) is slidably connected to two groups of sliding sleeves (105), the top end of each group of the sliding sleeves (105) is fixedly connected to a group of threaded sleeves (106), and the inner wall of the threaded sleeves (106) is threadedly connected to a stud (107).

2. The workpiece floating automatic pressing device according to claim 1 is characterized in that: The product body (2) is located at the top of the multiple sets of threaded sleeves (106), and the outer wall of the stud (107) is pressed down on the top of the product body (2).

3. The workpiece floating automatic pressing device according to claim 1 is characterized in that: The top end of the support frame (101) is fixedly connected to an upper fixing frame (3), and the upper fixing frame (3) comprises two groups of support rods (301), and the outer walls of the two groups of support rods (301) are respectively slidably sleeved (105) and provided with a group of sleeves (302), and an upper bracket (303) is fixedly connected between the two groups of sleeves (302).

4. The workpiece floating automatic pressing device according to claim 3 is characterized by: Two groups of second hydraulic rods (312) are fixedly connected to the side walls of the upper bracket (303), and the bottom ends of the second hydraulic rods (312) are fixedly connected to the top end of the support frame (101).

5. The workpiece floating automatic pressing device according to claim 3 is characterized by: The inner wall of the upper bracket (303) is slidably connected to a plurality of adjustment strips (304), the bottom ends of the adjustment strips (304) are fixedly connected to two groups of racks (305), and the inner wall of each group of adjustment strips (304) is slidably connected to a plurality of support sleeves (306).

6. The workpiece floating automatic pressing device according to claim 5 is characterized by: The inner wall sliding sleeve (105) of the support sleeve (306) is provided with a locking sleeve (307), and the bottom end of the locking sleeve (307) is fixedly connected with two groups of limiting teeth (308), and the limiting teeth (308) are meshed with the rack (305), and the inner wall sliding sleeve (105) of the locking sleeve (307) is provided with a pressing rod (310).

7. The workpiece floating automatic pressing device according to claim 6 is characterized by: The outer wall of the locking sleeve (307) is provided with a first return spring (309), the top end of the first return spring (309) is fixedly connected to the outer wall of the locking sleeve (307), the bottom end of the first return spring (309) is fixedly connected to the top end of the support sleeve (306), and the outer wall of the lower pressure rod (310) is provided with a second return spring (311), the top end of the second return spring (311) is fixedly connected to the bottom end of the locking sleeve (307), and the bottom end of the second return spring (311) is fixedly connected to the outer wall of the lower pressure rod (310).

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