Cold pressing nut press-in device for plastic furniture manufacturing

Abstract

The utility model relates to the field of plastic furniture manufacturing, in particular to a cold pressing nut press-in device for plastic furniture manufacturing. In the prior art, deviation is easily generated when cold pressing nuts are installed, one-by-one knocking installation is needed, and efficiency is low. A cold pressing nut press-in device for plastic furniture manufacturing comprises a bearing frame, a containing table is fixedly connected to the upper portion of the bearing frame, and a containing groove is formed in the containing table. An operator puts a machined part into a placing groove of a placing table, the side face of the machined part is tightly attached to and aligned with the inner face of the placing table, then the operator puts a cold pressing nut into an adsorption hole of a magnetic suction head, the operator starts a telescopic rod of a hydraulic push rod to contract, and the telescopic rod of the hydraulic push rod contracts to drive a connecting frame to move downwards; the connecting frame can drive the mounting plate to move downwards, the mounting plate can drive the magnetic suction head to move downwards, the four cold pressing nuts are all pressed into a machined part, in this way, the four cold pressing nuts can be mounted at the same time, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of plastic furniture manufacturing, in particular to a cold-pressed nut pressing device for plastic furniture manufacturing. Background Art

[0002] Plastic chairs are light in weight, easy to move and place, and easy to clean daily. They are very common furniture in our daily lives.

[0003] After the plastic chair is formed, it needs to install legs. Generally, several installation holes are reserved at the bottom of the chair during injection molding. During installation, workers need to knock the cold-pressed nuts into the installation holes, and then install the chair legs with screws on the chair through the cold-pressed nuts. When installing the cold-pressed nuts, it is easy to deviate, and they need to be knocked one by one, which is inefficient. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art that cold-pressed nuts are easily deviated when installed and require low installation efficiency by knocking them one by one, the utility model provides a cold-pressed nut pressing device for plastic furniture manufacturing that can reduce the probability of deviation of cold-pressed nuts when pressed in, can install four cold-pressed nuts at the same time, and improve work efficiency.

[0005] The technical solution of the utility model is: a cold-pressed nut pressing device for manufacturing plastic furniture, including a load-bearing frame, a placing table fixedly connected to the upper part of the load-bearing frame, a placing groove opened on the placing table, a processed part placed in the placing groove, a mounting frame fixedly connected to the middle part of the load-bearing frame, two hydraulic push rods fixedly connected to the top of the mounting frame, the two hydraulic push rods are symmetrically arranged, a connecting frame is slidably connected to the placing table, the bottom of the connecting frame is fixedly connected to the upper parts of the telescopic rods of the two hydraulic push rods, and the upper part of the connecting frame is fixedly connected to a mounting plate.

[0006] Furthermore, it also includes a magnetic suction head, four of which are fixedly connected to the bottom surface of the mounting plate, each of the four magnetic suction heads has an adsorption hole at the bottom, each of the four adsorption holes has a cold-pressed nut adsorbed in it, and the cold-pressed nut is made of iron material.

[0007] Furthermore, it also includes a contact frame, wherein a contact frame is provided on both sides of the top of the mounting plate, and a slope is provided at the bottom of the two contact frames. A sliding frame is slidably connected to both sides of the top of the placement table, and the sliding frame is located below the contact frame. A slope is provided on the side of the two sliding frames close to the workpiece, and the side of the sliding frame away from the workpiece will contact the slope at the bottom of the contact frame, and a horizontal spring is provided between the two sliding frames and the placement table.

[0008] Furthermore, it also includes a clamping frame, and a clamping frame is slidably connected to both sides of the top of the placement table, the upper part of the clamping frame will contact the inclined surface on the sliding frame, the bottom surfaces of the two clamping frames will contact the workpiece, and two vertical springs are provided between each clamping frame and the placement table.

[0009] Furthermore, it also includes circular shafts, and the inner bottom surface of the placement table is rotatably connected with four of the circular shafts.

[0010] The beneficial effects are: 1. The operator places the workpiece into the placement groove of the placement table so that the side of the workpiece is tightly aligned with the surface inside the placement table. Then the operator places the cold-pressed nut into the adsorption hole of the magnetic suction head so that the cold-pressed nut is adsorbed. After placing the cold-pressed nut, the operator starts the telescopic rod of the hydraulic push rod to retract. The contraction of the telescopic rod of the hydraulic push rod will drive the connecting frame to move downward. The downward movement of the connecting frame will drive the mounting plate to move downward. The downward movement of the mounting plate will drive the magnetic suction head to move downward. The downward movement of the magnetic suction head will press all four cold-pressed nuts into the workpiece. In this way, four cold-pressed nuts can be installed at the same time, thereby improving work efficiency.

[0011] 2. When the mounting plate moves downward, the clamping frame moves downward through the sliding frame, the vertical spring is compressed, and the downward movement of the clamping frame will clamp the workpiece to prevent the workpiece from shaking during processing, causing the cold-pressed nut to deviate when pressed into the workpiece, making it easier to press the cold-pressed nut into place. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the first three-dimensional structure of the utility model.

[0013] Figure 2 It is a three-dimensional structural schematic diagram of part of the utility model.

[0014] Figure 3 It is a schematic diagram of the disassembled three-dimensional structure of the connecting frame, the mounting plate, the magnetic suction head and the cold-pressed nut of the utility model.

[0015] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of part of the utility model.

[0016] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the magnetic suction head and the cold-pressed nut of the utility model.

[0017] Figure 6 This is a schematic diagram of the second three-dimensional structure of the utility model.

[0018] In the accompanying drawings: 1_load-bearing frame, 2_placing table, 3_processing part, 4_mounting frame, 5_hydraulic push rod, 6_connecting frame, 7_mounting plate, 8_magnetic head, 9_cold pressed nut, 10_contact frame, 11_sliding frame, 12_horizontal spring, 13_clamping frame, 14_vertical spring, 15_round shaft. DETAILED DESCRIPTION

[0019] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] Embodiment 1: A cold-pressed nut pressing device for plastic furniture manufacturing, such as Figure 1-Figure 6 As shown, it includes a load-bearing frame 1, a placing table 2 is welded on the upper part of the load-bearing frame 1, a placing groove is opened on the placing table 2, a processed part 3 is placed in the placing groove, a mounting frame 4 is fixedly connected to the middle part of the load-bearing frame 1, two hydraulic push rods 5 are fixedly connected to the top of the mounting frame 4, the two hydraulic push rods 5 are symmetrically arranged, a connecting frame 6 is slidably connected to the placing table 2, the bottom of the connecting frame 6 is fixedly connected to the upper part of the telescopic rods of the two hydraulic push rods 5, and the upper part of the connecting frame 6 is connected to a mounting plate 7 by bolts.

[0021] It also includes a magnetic suction head 8. Four of the magnetic suction heads 8 are fixedly connected to the bottom surface of the mounting plate 7. Each of the four magnetic suction heads 8 has an adsorption hole at the bottom. Each of the four adsorption holes has a cold-pressed nut 9 adsorbed therein. The cold-pressed nut 9 is made of iron material.

[0022] Initially, the operator places the workpiece 3 into the placement groove of the placement table 2, so that the side of the workpiece 3 is closely aligned with the surface inside the placement table 2, and the axis of the mounting hole on the workpiece 3 is aligned with the axis of the magnetic suction head 8. Then the operator puts the cold-pressed nut 9 into the adsorption hole of the magnetic suction head 8 so that the cold-pressed nut 9 is adsorbed. After placing the cold-pressed nut 9, the operator starts the telescopic rod of the hydraulic push rod 5 to retract. The contraction of the telescopic rod of the hydraulic push rod 5 will drive the connecting frame 6 to move downward, and the downward movement of the connecting frame 6 will drive the mounting plate 7 to move downward. The mounting plate The downward movement of 7 will drive the magnetic suction head 8 to move downward, and the downward movement of the magnetic suction head 8 will press the four cold-pressed nuts 9 into the workpiece 3. In this way, the four cold-pressed nuts 9 can be pressed into the workpiece 3 at the same time, thereby improving work efficiency. Then, the operator adjusts the extension and reset of the telescopic rod of the hydraulic push rod 5. The reset of the hydraulic push rod 5 will drive the reset of the connecting frame 6. The reset of the connecting frame 6 will drive the reset of the mounting plate 7. The reset of the mounting plate 7 will drive the reset of the magnetic suction head 8. Then the operator takes out the workpiece 3 after the cold-pressed nuts 9 are pressed, so as to facilitate the next work.

[0023] Embodiment 2: Based on embodiment 1, Figure 1 , Figure 2 , Figure 4 and Figure 6As shown, a contact frame 10 is also included. A contact frame 10 is welded to both sides of the top of the mounting plate 7. A slope is provided at the bottom of the two contact frames 10. A sliding frame 11 is slidably connected to both sides of the top of the placement table 2. The sliding frame 11 is located below the contact frame 10. A slope is provided on one side of the two sliding frames 11 close to the workpiece 3. The side of the sliding frame 11 away from the workpiece 3 will contact the slope at the bottom of the contact frame 10. A horizontal spring 12 is provided between the two sliding frames 11 and the placement table 2.

[0024] It also includes a clamping frame 13. Both sides of the top of the placement table 2 are slidably connected with a clamping frame 13 for clamping the workpiece 3. The upper part of the clamping frame 13 will contact the inclined surface on the sliding frame 11, and the bottom surfaces of the two clamping frames 13 will contact the workpiece 3. Two vertical springs 14 are provided between each of the clamping frames 13 and the placement table 2.

[0025] The placing table 2 also includes circular shafts 15 . The inner bottom surface of the placing table 2 is rotatably connected with four circular shafts 15 . The circular shafts 15 are used to reduce the wear of the workpiece 3 .

[0026] The downward movement of the mounting plate 7 will drive the contact frame 10 to move downward. When the contact frame 10 moves downward, the inclined surface at the lower end of the contact frame 10 will squeeze the sliding frame 11 to move in the direction close to the clamping frame 13. At this time, the horizontal spring 12 is compressed. When the sliding frame 11 moves in the direction close to the clamping frame 13, the inclined surface on one side of the sliding frame 11 will squeeze the clamping frame 13 to move downward. The vertical spring 14 is compressed. The downward movement of the clamping frame 13 will clamp the workpiece 3 to prevent the workpiece 3 from shaking during processing, which may cause the cold-pressed nut 9 to deviate when pressed into the workpiece 3, thereby facilitating better pressing of the cold-pressed nut 9. When the contact frame 10 moves upward, the contact frame 10 is out of contact with the sliding frame 11, the horizontal spring 12 will rebound and push the sliding frame 11 to reset, and when the sliding frame 11 is reset to be out of contact with the clamping frame 13, the vertical spring 14 will rebound and push the clamping frame 13 to reset.

[0027] When the operator puts in or takes out the workpiece 3 , the round shaft 15 can reduce the friction between the workpiece 3 and the inner bottom surface of the placement table 2 , making the workpiece placement and taking-in smoother and reducing the wear probability of the workpiece 3 .

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A cold pressed nut pressing device for plastic furniture manufacturing, characterized in that: The invention comprises a load-bearing frame (1), wherein a placing platform (2) is fixedly connected to the upper part of the load-bearing frame (1), a placing groove is provided on the placing platform (2), a workpiece (3) is placed in the placing groove, a mounting frame (4) is fixedly connected to the middle part of the load-bearing frame (1), two hydraulic push rods (5) are fixedly connected to the top of the mounting frame (4), the two hydraulic push rods (5) are symmetrically arranged, a connecting frame (6) is slidably connected to the placing platform (2), the bottom of the connecting frame (6) is fixedly connected to the upper part of the telescopic rods of the two hydraulic push rods (5), and the upper part of the connecting frame (6) is fixedly connected to a mounting plate (7).

2. A cold pressed nut pressing device for plastic furniture manufacturing according to claim 1, characterized in that: It also includes a magnetic suction head (8), four of which are fixedly connected to the bottom surface of the mounting plate (7), each of the four magnetic suction heads (8) has an adsorption hole at the bottom, and each of the four adsorption holes has a cold-pressed nut (9) adsorbed therein, wherein the cold-pressed nut (9) is made of iron material.

3. A cold-pressed nut pressing device for manufacturing plastic furniture according to claim 2, characterized in that: It also includes a contact frame (10), wherein the contact frame (10) is provided on both sides of the top of the mounting plate (7), and the lower parts of the two contact frames (10) are provided with an inclined surface, and the top sides of the placement table (2) are slidably connected with a sliding frame (11), and the sliding frame (11) is located below the contact frame (10), and the sides of the two sliding frames (11) close to the workpiece (3) are provided with an inclined surface, and the sides of the sliding frames (11) away from the workpiece (3) will contact the inclined surface of the lower part of the contact frame (10), and a horizontal spring (12) is provided between the two sliding frames (11) and the placement table (2).

4. A cold-pressed nut pressing device for manufacturing plastic furniture according to claim 3, characterized in that: It also includes a clamping frame (13), and both sides of the top of the placement table (2) are slidably connected to a clamping frame (13), the upper part of the clamping frame (13) will contact the inclined surface on the sliding frame (11), the bottom surface of the two clamping frames (13) will contact the workpiece (3), and two vertical springs (14) are provided between each clamping frame (13) and the placement table (2).

5. A cold-pressed nut pressing device for manufacturing plastic furniture according to claim 4, characterized in that: It also includes a circular shaft (15), and the inner bottom surface of the placement platform (2) is rotatably connected to four of the circular shafts (15).

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