Furniture metal accessory cold forging forming device and forming process

Abstract

The invention discloses a furniture metal accessory cold forging forming device and a forming process, and relates to the field of cold forging forming. The device comprises an upper die plate, a lower die plate, an automatic clamping assembly and a multifunctional power mechanism, the multifunctional power mechanism comprises a hydraulic cylinder, a telescopic main shaft, a pressing piece and a jacking piece, the telescopic main shaft is fixedly connected to the power output end of the hydraulic cylinder, the pressing piece is fixedly connected to the upper end of the telescopic main shaft, and the jacking piece is fixedly connected to the bottom end of the telescopic main shaft; the multifunctional power mechanism comprises an automatic clamping piece, a clamping fixing ring and a rotating sleeve, the rotating sleeve is fixedly connected to the middle section of the telescopic main shaft, and the clamping fixing ring is rotationally connected between the upper die plate and the lower die plate. According to the device, the automatic clamping assembly is used, so that the movement of machined accessories is quicker and more convenient, the power equipment cost of equipment is reduced, the machining efficiency of the equipment is improved, the integrated process of feeding, cold forging, ejection and movement is achieved, and the learning cost and operation steps of operators are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of cold forging, in particular to a cold forging device and a forming process for furniture metal accessories. Background Art

[0002] Forging is a processing method that uses a forging machine to apply pressure to a metal blank to cause it to undergo plastic deformation to obtain forgings with certain mechanical properties, shapes and sizes. Forging can be divided into three types: cold forging, warm forging and hot forging according to the temperature. During the cold forging process, the metal is subjected to strong pressure in the die and undergoes plastic deformation, thus being molded into the desired shape and size. Since cold forging is performed at room temperature or slightly above room temperature, the hardening effect of the metal during the deformation process is more significant, making the cold forged parts have higher strength and hardness.

[0003] In the existing cold forging process, since the forging process of some accessories cannot be completely cold forged through a single die-casting process, multiple groups of cold forging machines are required to perform linked step-by-step forging, which leads to an increase in the number of accessories required for the forging device, such as each group of cold forging power components and the moving components of the accessories during the gradual processing, which ultimately leads to increased processing costs, increased equipment operation complexity, and increased learning costs for operators. In view of the above situation, the present invention provides a furniture metal accessories cold forging forming device and forming process to solve the above problems. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a cold forging forming device and forming process for furniture metal accessories, which solves the problem that in the existing cold forging process, since some accessories cannot be completely cold forged through a single die-casting process, multiple groups of cold forging machines are required to perform linked step-by-step forging, resulting in an increase in the number of accessories required for the forging device, such as each group of cold forging power components and the moving components of the accessories during the gradual processing, ultimately leading to increased processing costs, increased equipment operation complexity, and increased learning costs for operators.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a cold forging forming device and forming process for furniture metal accessories, comprising an upper template and a lower template, an automatic clamping assembly is arranged between the upper template and the lower template, and a multifunctional power mechanism is arranged in the upper template and the lower template, wherein the multifunctional power mechanism comprises a hydraulic cylinder, a telescopic spindle, a lower pressure piece and a top material piece, the telescopic spindle is fixedly connected to the power output end of the hydraulic cylinder, the lower pressure piece is fixedly connected to the upper end of the telescopic spindle, and the top material piece is fixedly connected to the bottom end of the telescopic spindle, wherein the multifunctional power mechanism comprises an automatic clamping piece, a clamping fixing ring and a rotating sleeve, the rotating sleeve is fixedly connected to the middle section of the telescopic spindle, the clamping fixing ring is rotatably connected between the upper template and the lower template, and the automatic clamping piece is slidably connected to the clamping fixing ring and the rotating sleeve.

[0006] Preferably, the upper and lower templates are fixedly connected to a fixed frame outside, the fixed frame includes a base, a fixed rod and a fixed top seat, one end of the fixed rod is fixedly connected to the upper end of the base, the other end of the fixed rod is fixedly connected inside the fixed top seat, the fixed top seat is fixedly connected to a cylinder seat, and the hydraulic cylinder is fixedly connected inside the cylinder seat.

[0007] Preferably, an upper mold is slidably connected inside the upper template, an upper slide ring is fixedly connected to the bottom end of the upper template, an upper through hole is opened in the upper template, the telescopic main shaft is slidably connected in the upper through hole, an ear-type upper fixed block is fixedly connected outside the upper template, and the ear-type upper fixed block is fixedly connected to the upper end of the fixed rod.

[0008] Preferably, a lower mold is fixedly connected inside the lower template, a lower slide groove ring is fixedly connected to the top of the lower template, a lower through hole is opened in the lower template, the telescopic main shaft is slidably connected in the lower through hole, a lifting ear-type lower fixing block is fixedly connected outside the lower template, the lifting ear-type lower fixing block is fixedly connected to the bottom end of the fixing rod, and a feed port and a discharge port are opened in the lower template.

[0009] Preferably, the outer end of the lower pressure piece is fixedly connected to an upper power arm, the bottom end of the upper power arm is fixedly connected to a lower pressure column, and the bottom end of the lower pressure column is fixedly connected to the top end of the upper mold.

[0010] Preferably, the outer end of the ejecting piece is fixedly connected to a lower power arm, the top of the lower power arm is fixedly connected to a ejecting rod, the ejecting rod is slidably connected in the lower mold, a fixing hole is opened in the ejecting piece, and the bottom end of the telescopic main shaft is fixedly connected in the fixing hole.

[0011] Preferably, one end of the automatic clamping member is fixedly connected to a fixed clamping block, a movable clamping block is arranged next to the fixed clamping block, the front end of the automatic clamping member is fixedly connected to a small cylinder, the movable clamping block is fixedly connected to the power output end of the small cylinder, and the other end of the automatic clamping member is fixedly connected to a sliding column.

[0012] Preferably, both upper and lower ends of the clamping fixing ring are fixedly connected with annular sliders, the annular sliders are slidably connected in the upper slide groove ring and the lower slide groove ring, a slideway is provided in the clamping fixing ring, and the automatic clamping part is slidably connected in the slideway.

[0013] Preferably, the rotating sleeve is rotatably connected to an outer sleeve ring, the bottom of the rotating sleeve is fixedly connected to a rotating motor, the outer sleeve ring is fixedly connected to the power output end of the rotating motor, the outer sleeve ring is fixedly connected to an inclined sliding block, an inclined sliding groove is provided in the inclined sliding block, and the sliding column is slidably connected in the inclined sliding groove.

[0014] Preferably, in step 1, raw embryo feeding: a feeding device feeds the raw embryo to be processed from a feeding port, and then the raw embryo is clamped by an automatic clamping member for processing; Step 2: Graded cold forging: The automatic clamping part rotates and moves the processing blank into the first set of lower dies. Then, under the power downward pressure of the hydraulic cylinder, the telescopic spindle drives the lower pressing part to move downward, and drives the upper die into the lower die to perform the first-level processing on the processing blank. At the same time, the telescopic spindle drives the rotating sleeve to move downward, causing the automatic clamping part to slide inward. Step 3, ejecting: After the cold forging is completed, the hydraulic cylinder drives the telescopic spindle to move upward, and the telescopic spindle drives the lower pressing piece and the upper mold to move upward and reset. At this time, the telescopic spindle drives the rotating sleeve to move upward, and makes the automatic clamping piece slide outward. The telescopic spindle also drives the ejecting piece to be ejected upward in the lower mold, and drives the ejector pin in the lower mold to eject the workpiece after one processing upward. Then the workpiece is clamped by the automatic clamping piece, and moves to the next group of lower molds under the rotation of the rotating sleeve to repeat steps 2 and 3 for step-by-step processing; Step 4: Discharging: The molded parts that have completed the last level of processing are clamped by the automatic clamping parts and moved to the discharging port under the rotation of the rotating sleeve to complete the discharging.

[0015] The present invention discloses a cold forging forming device and forming process for furniture metal accessories, which have the following beneficial effects: 1. This kind of furniture metal accessories cold forging forming device and forming process improves the processing efficiency by designing the whole equipment into a circular ring shape and using automatic clamping components to make the movement of processing accessories faster and more convenient.

[0016] 2. This type of furniture metal accessories cold forging forming device and forming process, by setting a multifunctional power mechanism, enables the device to complete the up and down movement of the pressing part, the top part and the automatic clamping component through a group of hydraulic cylinders, reducing the power equipment cost of the equipment and improving the processing efficiency of the equipment.

[0017] 3. This kind of furniture metal accessories cold forging forming device and forming process, by setting a multifunctional power mechanism, enables the lower pressing part, the ejecting part and the automatic clamping component to be linked through a telescopic main shaft, so that loading-cold forging-ejecting-moving can be realized as an integrated process, reducing the learning cost and operation steps of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the overall explosion structure of the present invention; Figure 3 This is a schematic diagram of the bottom structure of the upper template of the present invention; Figure 4 This is a schematic diagram of the top structure of the lower template of the present invention; Figure 5 It is a partial structural schematic diagram of the multifunctional power mechanism of the present invention; Figure 6 It is a schematic diagram of the overall structure of the automatic clamping assembly of the present invention; Figure 7 This is a schematic diagram of the exploded structure of the automatic clamping assembly of the present invention; Figure 8 It is a schematic diagram of the local structure of the automatic clamping assembly of the present invention; Fig. 9 It is a schematic diagram of the overall structure of the top material component of the present invention.

[0020] In the figure: 1. upper template; 11. upper mold; 12. upper slide ring; 13. upper through hole; 14. upper fixing block of lifting ear type; 2. lower template; 21. lower mold; 22. lower slide ring; 23. lower through hole; 24. lower fixing block of lifting ear type; 25. discharge port; 26. feed port; 3. fixed frame; 31. base; 32. fixed rod; 33. fixed top seat; 331. cylinder seat; 4. multifunctional power mechanism; 41. hydraulic cylinder; 42. telescopic main shaft; 43. lower pressing piece; 431. Upper power arm; 432, lower pressure column; 44, ejector; 441, ejector rod; 442, lower power arm; 443, fixing hole; 5, automatic clamping assembly; 51, automatic clamping part; 511, fixed clamping block; 512, small cylinder; 513, movable clamping block; 514, sliding column; 52, clamping and fixing ring; 521, annular slider; 522, slideway; 53, rotating sleeve; 531, inclined slider; 532, rotating motor; 533, outer sleeve; 534, inclined slide groove. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are 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.

[0022] The embodiment of the present application provides a cold forging forming device and forming process for furniture metal accessories, thereby solving the problem in the existing cold forging process that some accessories cannot be completely cold forged through a single die-casting process, requiring multiple groups of cold forging machines to perform linked step-by-step forging, resulting in an increase in the number of accessories required for the forging device, such as each group of cold forging power components and the moving components of the accessories during the gradual processing, ultimately leading to increased processing costs, increased equipment operation complexity, and increased learning costs for operators.

[0023] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0024] The embodiment of the invention discloses a cold forging forming device and a forming process for furniture metal accessories.

[0025] According to the attached Figure 1-9As shown, it includes an upper template 1 and a lower template 2, an automatic clamping assembly 5 is arranged between the upper template 1 and the lower template 2, and a multifunctional power mechanism 4 is arranged in the upper template 1 and the lower template 2, wherein the multifunctional power mechanism 4 includes a hydraulic cylinder 41, a telescopic main shaft 42, a lower pressure piece 43 and a material ejecting piece 44, the telescopic main shaft 42 is fixedly connected to the power output end of the hydraulic cylinder 41, the lower pressure piece 43 is fixedly connected to the upper end of the telescopic main shaft 42, and the material ejecting piece 44 is fixedly connected to the bottom end of the telescopic main shaft 42, wherein the multifunctional power mechanism 4 includes an automatic clamping piece 51, a clamping fixing ring 52 and a rotating sleeve 53, and the rotating sleeve 53 is fixedly connected to the middle section of the telescopic spindle 42, the clamping and fixing ring 52 is rotatably connected between the upper template 1 and the lower template 2, and the automatic clamping part 51 is slidably connected to the clamping and fixing ring 52 and the rotating sleeve 53. During processing, the hydraulic cylinder 41 pushes the telescopic spindle 42 downward, and the telescopic spindle 42 pushes the lower pressing part 43 and the ejecting part 44 to move downward. After the lower pressing part 43 completes cold forging, the hydraulic cylinder 41 moves the telescopic spindle 42 upward, moves the lower pressing part 43 upward and resets it, and at the same time, the ejecting part 44 ejects the processed accessories upward, and moves to the next group of processing chambers for processing under the rotation of the automatic clamping component 5.

[0026] The upper template 1 and the lower template 2 are fixedly connected to the outside with a fixed frame 3, and the fixed frame 3 includes a base 31, a fixed rod 32 and a fixed top seat 33. One end of the fixed rod 32 is fixedly connected to the upper end of the base 31, and the other end of the fixed rod 32 is fixedly connected to the fixed top seat 33. The fixed top seat 33 is fixedly connected to a cylinder seat 331, and the hydraulic cylinder 41 is fixedly connected to the cylinder seat 331. The fixed frame 3 plays a role in fixing the multifunctional power mechanism 4, the upper template 1 and the lower template 2.

[0027] The upper mold 11 is slidably connected in the upper mold plate 1, and the upper slide groove ring 12 is fixedly connected at the bottom of the upper mold plate 1. An upper through hole 13 is opened in the upper mold plate 1, and the telescopic main shaft 42 is slidably connected in the upper through hole 13. The upper mold plate 1 is fixedly connected with an ear-shaped upper fixed block 14 outside the upper mold plate 1, and the ear-shaped upper fixed block 14 is fixedly connected to the upper end of the fixed rod 32. The lower mold 21 is fixedly connected in the lower mold plate 2, and the lower slide groove ring 22 is fixedly connected at the top of the lower mold plate 2. The lower through hole 23 is opened in the lower mold plate 2, and the telescopic main shaft 42 is slidably connected in the lower through hole 23, the lower template 2 is fixedly connected with a lifting ear type lower fixing block 24 outside, the lifting ear type lower fixing block 24 is fixedly connected to the bottom end of the fixing rod 32, and a feed port 26 and a discharge port 25 are opened in the lower template 2. The lifting ear type upper fixing block 14 and the lifting ear type lower fixing block 24 are used to fix the upper template 1 and the lower template 2 in the fixed frame 3, the feed port 26 and the discharge port 25 are used for feeding and discharging respectively, and the lower through hole 23 and the upper through hole 13 are used for sliding the telescopic main shaft 42.

[0028] The outer end of the lower pressure piece 43 is fixedly connected to the upper power arm 431, the lower end of the upper power arm 431 is fixedly connected to the lower pressure column 432, the bottom end of the lower pressure column 432 is fixedly connected to the top of the upper mold 11, the outer end of the ejecting piece 44 is fixedly connected to the lower power arm 442, the top of the lower power arm 442 is fixedly connected to the ejecting rod 441, the ejecting rod 441 is slidably connected in the lower mold 21, a fixing hole 443 is opened in the ejecting piece 44, the bottom end of the telescopic main shaft 42 is fixedly connected in the fixing hole 443, the lower pressure column 432 is used to push the upper mold 11 downward to press the parts to be processed for cold forging, and the ejecting rod 441 slides in the lower mold 21 to eject the processed parts after the cold forging is completed.

[0029] One end of the automatic clamping member 51 is fixedly connected to a fixed clamping block 511, and a movable clamping block 513 is arranged beside the fixed clamping block 511. A small cylinder 512 is fixedly connected to the front end of the automatic clamping member 51, and the movable clamping block 513 is fixedly connected to the power output end of the small cylinder 512. The other end of the automatic clamping member 51 is fixedly connected to a sliding column 514. The upper and lower ends of the clamping fixed ring 52 are fixedly connected to an annular slider 521. The annular slider 521 is slidably connected in the upper slide groove ring 12 and the lower slide groove ring 22. A slideway 522 is provided in the clamping fixed ring 52. The automatic clamping member 51 is slidably connected in the slideway 522. The outer sleeve 53 is rotatably connected to the outer sleeve 53. 3. A rotating motor 532 is fixedly connected to the bottom of the rotating sleeve 53, and an outer ring 533 is fixedly connected to the power output end of the rotating motor 532. An inclined slider 531 is fixedly connected to the outer ring 533. An inclined slide groove 534 is provided in the inclined slide groove 531. The sliding column 514 is slidably connected in the inclined slide groove 534. The automatic clamping member 51 is used to clamp and move the processing accessories. The clamping fixed ring 52 is slidably connected in the upper slide groove ring 12 and the lower slide groove ring 22, and at the same time, the automatic clamping member 51 is restricted from horizontal movement. The sliding column 514 of the automatic clamping member 51 slides in the inclined slide groove 534, and the horizontal movement is realized through the vertical movement of the inclined slide groove 534.

[0030] Step 1: Feeding the raw material: The feeding device feeds the raw material to be processed from the feeding port 26, and then the raw material is clamped by the automatic clamping member 51 for processing; Step 2: Graded cold forging: The automatic clamping part 51 rotates and moves the processed blank into the first group of lower dies 21. Then, under the power downward pressure of the hydraulic cylinder 41, the telescopic spindle 42 drives the lower pressing part 43 to move downward, and drives the upper die 11 to enter the lower die 21 to perform the first-level processing on the processed blank. At the same time, the telescopic spindle 42 drives the rotating sleeve 53 to move downward, so that the automatic clamping part 51 slides inward. Step 3, ejecting: After the cold forging is completed, the hydraulic cylinder 41 drives the telescopic spindle 42 to move upward, and the telescopic spindle 42 drives the lower pressing piece 43 and the upper mold 11 to move upward and reset. At this time, the telescopic spindle 42 drives the rotating sleeve 53 to move upward, and makes the automatic clamping piece 51 slide outward. The telescopic spindle 42 also drives the ejecting piece 44 to eject upward in the lower mold 21, and drives the ejector pin in the lower mold 21 to eject the workpiece after one processing upward. Then, the workpiece is clamped by the automatic clamping piece 51, and moves to the next group of lower molds 21 under the rotation of the rotating sleeve 53 to repeat steps 2 and 3 for step-by-step processing; Step 4: Discharging: The molded parts that have completed the last level of processing are clamped by the automatic clamping member 51 and moved to the discharge port 25 under the rotation of the rotating sleeve 53 to complete the discharging.

[0031] In summary, compared with the prior art, the present invention has the following beneficial effects: The cold forging forming device and forming process of furniture metal accessories improves the processing efficiency by designing the whole device into a circular ring shape and using an automatic clamping component 5 to make the movement of the processed accessories faster and more convenient. At the same time, by setting a multifunctional power mechanism 4, the device can complete the up and down movement of the lower pressing part 43, the upper material part 44 and the automatic clamping component 5 through a group of hydraulic cylinders 41, reducing the power equipment cost of the equipment and improving the processing efficiency of the equipment. At the same time, the lower pressing part 43, the upper material part 44 and the automatic clamping component 5 are linked by the telescopic main shaft 42, so that the loading-cold forging-uploading-movement process is realized as an integrated process, reducing the learning cost and operation steps of the operator.

[0032] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A cold forging device for furniture metal parts, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that: An automatic clamping assembly (5) is provided between the upper template (1) and the lower template (2), and a multifunctional power mechanism (4) is provided inside the upper template (1) and the lower template (2); Wherein, the multifunctional power mechanism (4) comprises a hydraulic cylinder (41), a telescopic main shaft (42), a pressing piece (43) and a material-lifting piece (44); The telescopic main shaft (42) is fixedly connected to the power output end of the hydraulic cylinder (41), the lower pressing member (43) is fixedly connected to the upper end of the telescopic main shaft (42), and the lifting member (44) is fixedly connected to the bottom end of the telescopic main shaft (42); Wherein, the multifunctional power mechanism (4) comprises an automatic clamping member (51), a clamping fixing ring (52) and a rotating sleeve (53); The rotating sleeve (53) is fixedly connected to the middle section of the telescopic main shaft (42), the clamping fixing ring (52) is rotatably connected between the upper template (1) and the lower template (2), and the automatic clamping member (51) is slidably connected to the clamping fixing ring (52) and the rotating sleeve (53).

2. A cold forging device for furniture metal parts according to claim 1, characterized in that: The upper template (1) and the lower template (2) are externally fixedly connected with a fixed frame (3), and the fixed frame (3) comprises a base (31), a fixed rod (32) and a fixed top seat (33); One end of the fixed rod (32) is fixedly connected to the upper end of the base (31), and the other end of the fixed rod (32) is fixedly connected inside the fixed top seat (33). A cylinder seat (331) is fixedly connected to the fixed top seat (33), and the hydraulic cylinder (41) is fixedly connected inside the cylinder seat (331).

3. A cold forging device for furniture metal parts according to claim 2, characterized in that: An upper mold (11) is slidably connected inside the upper template (1), an upper slide ring (12) is fixedly connected to the bottom end of the upper template (1), an upper through hole (13) is opened inside the upper template (1), the telescopic main shaft (42) is slidably connected in the upper through hole (13), and an ear-shaped upper fixing block (14) is fixedly connected outside the upper template (1), and the ear-shaped upper fixing block (14) is fixedly connected to the upper end of the fixing rod (32).

4. A cold forging device for furniture metal parts according to claim 2, characterized in that: A lower mold (21) is fixedly connected inside the lower template (2), a lower slide groove ring (22) is fixedly connected to the top of the lower template (2), a lower through hole (23) is provided inside the lower template (2), the telescopic main shaft (42) is slidably connected in the lower through hole (23), a lifting ear-shaped lower fixing block (24) is fixedly connected outside the lower template (2), the lifting ear-shaped lower fixing block (24) is fixedly connected to the bottom end of the fixing rod (32), and a feed port (26) and a discharge port (25) are provided inside the lower template (2).

5. The cold forging device for furniture metal parts according to claim 3, characterized in that: The outer end of the lower pressing member (43) is fixedly connected to an upper power arm (431), the bottom end of the upper power arm (431) is fixedly connected to a lower pressing column (432), and the bottom end of the lower pressing column (432) is fixedly connected to the top end of the upper mold (11).

6. A cold forging device for furniture metal parts according to claim 4, characterized in that: The outer end of the ejecting member (44) is fixedly connected to a lower power arm (442), the top end of the lower power arm (442) is fixedly connected to an ejecting rod (441), the ejecting rod (441) is slidably connected in the lower mold (21), a fixing hole (443) is provided in the ejecting member (44), and the bottom end of the telescopic main shaft (42) is fixedly connected in the fixing hole (443).

7. The cold forging device for furniture metal parts according to claim 1, characterized in that: One end of the automatic clamping member (51) is fixedly connected to a fixed clamping block (511), a movable clamping block (513) is arranged next to the fixed clamping block (511), a small cylinder (512) is fixedly connected inside the front end of the automatic clamping member (51), the movable clamping block (513) is fixedly connected to the power output end of the small cylinder (512), and the other end of the automatic clamping member (51) is fixedly connected to a sliding column (514).

8. The cold forging device for furniture metal parts according to claim 4, characterized in that: The upper and lower ends of the clamping fixed ring (52) are fixedly connected to an annular slider (521), the annular slider (521) is slidably connected in an upper slide groove ring (12) and a lower slide groove ring (22), a slideway (522) is provided in the clamping fixed ring (52), and the automatic clamping member (51) is slidably connected in the slideway (522).

9. The cold forging device for furniture metal parts according to claim 7, characterized in that: An outer sleeve (533) is rotatably connected to the outside of the rotating sleeve (53), a rotating motor (532) is fixedly connected to the bottom of the rotating sleeve (53), the outer sleeve (533) is fixedly connected to the power output end of the rotating motor (532), an inclined sliding block (531) is fixedly connected to the outside of the outer sleeve (533), an inclined sliding groove (534) is provided in the inclined sliding block (531), and the sliding column (514) is slidably connected in the inclined sliding groove (534).

10. A cold forging process for furniture metal parts, comprising a cold forging device for furniture metal parts according to any one of claims 1 to 9, characterized in that ； Step 1: Feeding the raw material: The feeding device feeds the raw material to be processed from the feeding port (26), and then the raw material is clamped by the automatic clamping member (51) for processing; Step 2: graded cold forging: the automatic clamping member (51) rotates and moves the processed blank into the first group of lower dies (21), and then, under the power downward pressure of the hydraulic cylinder (41), the telescopic main shaft (42) drives the lower pressing member (43) to move downward, and drives the upper die (11) to enter the lower die (21) to perform the first-level processing on the processed blank. At the same time, the telescopic main shaft (42) drives the rotating sleeve (53) to move downward, so that the automatic clamping member (51) slides inward; Step 3, ejection: after the cold forging is completed, the hydraulic cylinder (41) drives the telescopic spindle (42) to move upward, and the telescopic spindle (42) drives the lower pressing piece (43) and the upper mold (11) to move upward and reset. At this time, the telescopic spindle (42) drives the rotating sleeve (53) to move upward, and causes the automatic clamping piece (51) to slide outward. The telescopic spindle (42) also drives the ejection piece (44) to be ejected upward in the lower mold (21), and drives the ejector pin in the lower mold (21) to eject the workpiece after the first processing upward. Subsequently, the workpiece is clamped by the automatic clamping piece (51), and moves to the next group of lower molds (21) under the rotation of the rotating sleeve (53) to repeat steps 2 and 3 for step-by-step processing. Step 4: Discharging: The molded parts that have completed the last stage of processing are clamped by the automatic clamping member (51) and moved to the discharge port (25) under the rotation of the rotating sleeve (53) to complete the discharge.

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