Detachable table steel pipe assembling device and process thereof

Abstract

The invention relates to a detachable table steel pipe assembling device which comprises a base and a steel pipe placed on the base, the base is provided with a bearing seat used for connecting pieces, one side of the bearing seat is provided with a driving assembly, a hooping assembly and an opening and closing assembly, the hooping assembly and the opening and closing assembly are driven by the driving assembly, and the opening and closing assembly is provided with a supporting assembly. The supporting assembly comprises a plurality of supporting plates, moving assemblies and guiding assemblies driven by the moving assemblies are arranged on the supporting plates, the guiding assemblies comprise guiding plates arranged on the two sides of the supporting plates in a sliding mode, and the driving assembly is used for driving the hooping assembly to conduct necking on the two ends of the connecting piece and driving the supporting plates to be unfolded at the same time. The moving assembly is used for driving the guide plate to slide in the necking direction of the connecting piece, and the guide assembly is used for guiding the connecting piece during necking, so that the two ends of the connecting piece are more labor-saving and smoother during necking, the two sides are guided and connected through the guide plate during bending, and breakage caused by excessive necking at the joint of the necking part and the middle part is prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automobile parts production, and more particularly to a detachable table steel pipe assembly device and process thereof. BACKGROUND

[0002] At present, tables and chairs are a kind of necessary daily necessities in daily life. In the process of leisure and entertainment, tables and chairs are inevitably needed as resting and activity supplies. The types of tables and chairs are gradually increasing, such as office use, home use, restaurant use, bar use, bar counter use, and various types of tables and chairs. The Chinese patent with publication number CN209694396 U discloses a lazy desk plastic table leg assembly structure, which comprises a table body, a table leg head portion fixedly installed on the lower surface of the table body, a slot formed on the lower surface of the table leg head portion, a groove formed on the front surface of the table leg head portion, a plug hole, a table leg, a sliding groove, a sliding rod, a spring piece, and a clamping block. By cooperating the table body, the table leg head portion, the slot, the groove, the plug hole, the table leg, the sliding groove, the sliding rod, the spring piece, and the clamping block, the table leg is inserted into the slot, the sliding rod is slid into the sliding groove, the sliding rod pushes and compresses the spring piece, the sliding rod is attached to the inner side wall of the slot, and the sliding rod is inserted into the plug hole due to the elastic force of the spring piece, thereby fixing the most retreat and the most retreat head portion, completing the assembly. The connection mode of direct embedding and rivet-free is adopted, the table leg is assembled manually, and the table leg is convenient to disassemble. At this time, the sliding rod is rotated in the plug hole, the clamping block is inserted into the groove, the position of the table leg is limited, and the table body is supported.

[0003] However, the inventor finds that the connection mode between the table legs is not convenient to disassemble, the stability is not high, and the manufacturing process of part of the connecting pieces is complex, which increases the cost of enterprises. SUMMARY

[0004] The present application aims at the deficiencies of the prior art, and provides a detachable table steel pipe assembly device. The driving assembly drives the hoop to neck the two ends of the connecting piece and drives the support plate to support the middle part of the connecting piece at the same time, and drives the guide plate to slide to the necking part for guidance. When the two ends of the connecting piece are necked, it is more labor-saving and smooth, and the two sides are guided and received by the guide plate when being bent, preventing the connection between the necking part and the middle part from being broken.

[0005] The technical solutions of the present application are as follows: The utility model provides a detachable desk steel pipe assembly device, including base and the steel pipe of placing on the base, be provided with the bearing seat for connecting piece on the base, one side of bearing seat is provided with drive assembly and the hoop -tightening assembly and opening and closing assembly under the drive of drive assembly, be provided with support assembly on opening and closing assembly, support assembly includes a plurality of support plate, be provided with moving assembly and the guide assembly under the moving of moving assembly on support plate, the guide assembly includes the guide plate of slidingly setting in the both sides of support plate, drive assembly is used for driving support plate to develop when driving hoop -tightening assembly to the both ends of connecting piece necking, moving assembly is used for driving guide plate to slide to the necking direction of connecting piece, the guide assembly is used for guiding when connecting piece necking.

[0006] As a kind of preferred, the drive assembly includes support frame fixedly arranged on the base, fixed plate fixedly arranged on support frame, screw rod rotationally arranged between support frame and fixed plate, rotating shaft rotationally arranged on fixed plate, first slider fixedly arranged on rotating shaft, connecting shaft sleeved on rotating shaft, first sliding groove opened on connecting shaft, the screw rod is fixedly connected with rotating shaft, and the first slider cooperates with the first sliding groove.

[0007] As a kind of preferred, the hoop -tightening assembly includes fixed seat fixedly arranged on both sides of base, first rotary disc rotationally arranged in fixed seat, a plurality of first arc-shaped grooves opened in the circumferential direction of first rotary disc, a plurality of first limit seats fixedly arranged on base, first limit rod slidingly arranged in first limit seat, first sliding rod fixedly arranged on first limit rod, first limit plate fixedly arranged on first sliding rod, hoop ring fixedly arranged on first limit rod, connecting rod fixedly connected between first rotary disc, second slider fixedly arranged on connecting shaft, rotating sleeve sleeved on connecting shaft, second sliding groove opened on rotating sleeve, a plurality of cross bars fixedly arranged on rotating sleeve, the first sliding rod cooperates with the first arc-shaped groove, the hoop ring cooperates with connecting piece, the cross bar is fixedly connected with first rotary disc, and the second slider cooperates with the second sliding groove.

[0008] As a kind of preferred, the opening and closing assembly includes second rotary disc fixedly arranged on rotating shaft, a plurality of second arc-shaped grooves opened in the circumferential direction of second rotary disc, a plurality of second limit seats fixedly arranged on rotating shaft, second limit rod slidingly arranged in second limit seat, second sliding rod fixedly arranged on second limit rod, second limit plate fixedly arranged on second sliding rod, the second sliding rod cooperates with the second arc-shaped groove.

[0009] As a kind of preferred, the support assembly further includes arc-shaped plate slidingly arranged on support plate, the support plate is fixedly connected with second limit rod, and the arc-shaped plate cooperates with the inner wall of connecting piece.

[0010] As a kind of preferred, the mobile assembly includes the nut slidingly arranged on the lead screw, the extension bar slidingly arranged on the fixed plate, the moving sleeve sleeved on the connecting shaft, the limiting block fixedly arranged on the connecting shaft, the telescopic rod fixedly connected between the guide plate and the connecting shaft, the limiting block cooperates with the moving sleeve, and the nut and the moving sleeve are arranged on the extension bar two sides respectively.

[0011] As a kind of preferred, the guide assembly further includes the gear rotatingly arranged on the support plate, and the rack fixedly arranged on the arc-shaped plate, the guide plate is fixedly connected with the arc-shaped plate, and the rack is engaged with the gear.

[0012] As a kind of preferred, the base is further provided with a baffle, and the baffle cooperates with the connecting piece.

[0013] Another object of the present application is to provide a detachable table steel pipe assembly device process, comprising the following steps: Step one, feeding process: the connecting piece is pushed to the baffle by the mechanical hand; Step two, necking process: the first turntable rotates, drives the hoop to neck the two ends of the connecting piece, and drives the arc-shaped plate to support the inner wall of the connecting piece; Step three, guiding process: the nut is driven to slide by the lead screw, and the connecting shaft and the guide plate are driven to slide, and the necking end is guided; Step four, assembly process: the formed connecting piece is taken out by the mechanical hand and assembled with the steel pipe.

[0014] The present application has the advantages of 1、The present application is provided with a hoop assembly and an opening and closing assembly, which supports the middle part of the connecting piece by the support plate and the arc-shaped plate while the two ends of the connecting piece are necked by the hoop, so that the connection between the necking part and the middle part is more labor-saving when necking.

[0015] 2、The present application is further provided with a moving assembly and a guide assembly, which slides the guide plate while supporting the middle part of the connecting piece by the arc-shaped plate, so that the connection between the necking part and the middle part is more gentle when necking, preventing breakage, and guiding the two ends of the connecting piece when necking, making the necking more regular.

[0016] In summary, the present application has the advantages of high assembly efficiency and good effect, and is suitable for the field of automobile parts production. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below with reference to the drawings: Figure 1 It is a structure schematic view of a detachable table steel pipe assembly device; Figure 2 It is a structure schematic view of a driving assembly; Figure 3 is a structure diagram of the clamping assembly; Figure 4 is a structure diagram of the opening and closing assembly and the supporting assembly; Figure 5 is a structure diagram of the moving assembly; Figure 6 is Figure 5 is an enlarged view of A in the figure; Figure 7 is a structure diagram of the state when the connecting piece is pushed into the hoop ring; Figure 8 is a structure diagram of the state when the hoop ring necks down the two ends of the connecting piece; Figure 9 is a structure diagram of the state when the arc-shaped plate supports the middle part of the connecting piece during necking; Figure 10 is a structure diagram of the state when the connecting shaft rotates and moves; Figure 11 is Figure 10 is an enlarged view of B in the figure; Figure 12 is a structure diagram of the state when the guiding plate guides during necking; Figure 13 is a structure diagram of the state after the connecting piece is assembled with the steel pipe; Figure 14 is a process flow diagram; The figure shows that: 1 is a base, 2 is a steel pipe, 3 is a connecting piece, 4 is a bearing seat, 5 is a driving assembly, 51 is a support frame, 52 is a fixed plate, 53 is a screw rod, 54 is a rotating shaft, 55 is a first sliding block, 56 is a connecting shaft, 57 is a first sliding groove, 6 is a clamping assembly, 61 is a fixed seat, 62 is a first rotating disc, 63 is a first arc-shaped groove, 64 is a first limiting seat, 65 is a first limiting rod, 66 is a first sliding rod, 67 is a first limiting plate, 68 is a hoop ring, 69 is a connecting rod, 610 is a second sliding block, 611 is a rotating sleeve, 612 is a second sliding groove, 613 is a cross rod, 7 is an opening and closing assembly, 71 is a second rotating disc, 72 is a second arc-shaped groove, 73 is a second limiting seat, 74 is a second limiting rod, 75 is a second sliding rod, 76 is a second limiting plate, 8 is a supporting assembly, 81 is a supporting plate, 82 is an arc-shaped plate, 9 is a moving assembly, 91 is a nut, 93 is an extension rod, 94 is a moving sleeve, 95 is a limiting block, 96 is a telescopic rod, 10 is a guiding assembly, 101 is a guiding plate, 102 is a gear, 103 is a rack, and 11 is a baffle. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings.

[0019] Embodiment one

[0020] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like component have the same or similar designations. The embodiments described below are exemplary in nature, and are intended to be illustrative of the present application rather than to limit the same.

[0021] As shown in Figures 1 to 13 , a detachable table steel pipe assembly device, including a base 1 and a steel pipe 2 placed on the base 1, the base 1 is provided with a bearing seat 4 for connecting piece 3, the bearing seat 4 is provided with a driving assembly 5 and a clamping assembly 6 and an opening and closing assembly 7 driven by the driving assembly 5, the opening and closing assembly 7 is provided with a supporting assembly 8, the supporting assembly 8 includes a plurality of supporting plates 81, the supporting plate 81 is provided with a moving assembly 9 and a guide assembly 10 driven by the moving assembly 9, the guide assembly 10 includes a guide plate 101 slidingly arranged on both sides of the supporting plate 81, the driving assembly 5 is used to drive the clamping assembly 6 to neck the connecting piece 3 at both ends at the same time to drive the supporting plate 81 to expand, the moving assembly 9 is used to drive the guide plate 101 to slide to the necking direction of the connecting piece 3, the guide assembly 10 is used to guide the necking of the connecting piece 3, wherein the connecting piece 3 and the steel pipe 2 are placed by mechanical hand or artificial way.

[0022] It is worth mentioning that, as shown in Figure 5 and Figure 8 , the driving assembly 5 includes a supporting frame 51 fixedly arranged on the base 1, a fixed plate 52 fixedly arranged on the supporting frame 51, a lead screw 53 rotatably arranged between the supporting frame 51 and the fixed plate 52, a rotating shaft 54 rotatably arranged on the fixed plate 52, a first sliding block 55 fixedly arranged on the rotating shaft 54, a connecting shaft 56 sleeved on the rotating shaft 54, a first sliding groove 57 opened on the connecting shaft 56, the lead screw 53 is fixedly connected with the rotating shaft 54, the first sliding block 55 cooperates with the first sliding groove 57, wherein the supporting frame 51 is provided with a motor and the motor output shaft is fixedly connected with the lead screw 53, which can drive the lead screw 53 to rotate forward and reverse, in use, when the lead screw 53 rotates, the rotating shaft 54 can be driven to rotate, and the connecting shaft 56 is driven to rotate by the first sliding block 55 and the first sliding groove 57.

[0023] It is worth mentioning that, as shown in Figure 8As shown, the clamping assembly 6 comprises a fixed seat 61 fixedly arranged on both sides of the base 1, a first rotating disc 62 rotatably arranged in the fixed seat 61, a plurality of first arc-shaped grooves 63 opened in the circumferential direction of the first rotating disc 62, a plurality of first limiting seats 64 fixedly arranged on the base 1, a first limiting rod 65 slidably arranged in the first limiting seat 64, a first sliding rod 66 fixedly arranged on the first limiting rod 65, a first limiting plate 67 fixedly arranged on the first sliding rod 66, a hoop 68 fixedly arranged on the first limiting rod 65, a connecting rod 69 fixedly connected between the first rotating discs 62, a second sliding block 610 fixedly arranged on the connecting shaft 56, a rotating sleeve 611 sleeved on the connecting shaft 56, a second sliding groove 612 opened on the rotating sleeve 611, and a plurality of cross rods 613 fixedly arranged on the rotating sleeve 611. The first sliding rod 66 cooperates with the first arc-shaped groove 63, the hoop 68 cooperates with the connecting piece 3, the cross rod 613 is fixedly connected with the first rotating disc 62, and the second sliding block 610 cooperates with the second sliding groove 612. When the connecting piece 3 is placed, the motor drives the lead screw 53, the rotating shaft 54 and the connecting shaft 56 to rotate. The connecting shaft 56 drives the rotating sleeve 611 and the cross rod 613 to rotate through the second sliding block 610 and the second sliding groove 612. The cross rod 613 drives the two first rotating discs 62 to rotate. When the first rotating disc 62 rotates, the hoop 68 is driven to approach each other through the first sliding rod 66 and the first arc-shaped groove 63, and the two ends of the connecting piece 3 are necked.

[0024] In addition, as shown in Figure 9 The opening and closing assembly 7 comprises a second rotating disc 71 fixedly arranged on the rotating shaft 54, a plurality of second arc-shaped grooves 72 opened in the circumferential direction of the second rotating disc 71, a plurality of second limiting seats 73 fixedly arranged on the rotating shaft 54, a second limiting rod 74 slidably arranged in the second limiting seat 73, a second sliding rod 75 fixedly arranged on the second limiting rod 74, and a second limiting plate 76 fixedly arranged on the second sliding rod 75. The second sliding rod 75 cooperates with the second arc-shaped groove 72. When the hoop 68 necks the two ends of the connecting piece 3, the rotating shaft 54 drives the second rotating disc 71 to rotate. The second rotating disc 71 drives the supporting plate 81 to expand through the second sliding rod 75 and the second arc-shaped groove 72, so as to drive the supporting assembly 8 to support the middle part of the connecting piece 3, so that the two ends of the connecting piece 3 are more smooth when necking, and prevent the connecting part between the necking part and the middle part from being broken.

[0025] In addition, as shown in Figure 9As shown, the support assembly 8 further comprises an arc-shaped plate 82 slidingly arranged on the support plate 81, the support plate 81 is fixedly connected with the second limiting rod 74, the arc-shaped plate 82 is matched with the inner wall of the connecting piece 3, in use, when the support plate 81 is unfolded outwardly, the arc-shaped plate 82 is matched with the inner wall of the connecting piece 3, which supports the connecting piece 3, and makes the connection between the middle part and the two end parts of the connecting piece 3 more labor-saving when being bent.

[0026] It should be emphasized that, as Figure 10 and Figure 11 shown, the moving assembly 9 comprises a nut 91 slidingly arranged on the lead screw 53, an extension rod 93 slidingly arranged on the fixed plate 52, a moving sleeve 94 sleeved on the connecting shaft 56, a limiting block 95 fixedly arranged on the connecting shaft 56, and a telescopic rod 96 fixedly connected between the guide plate 101 and the connecting shaft 56, the limiting block 95 is matched with the moving sleeve 94, the nut 91 and the moving sleeve 94 are arranged on the two sides of the extension rod 93 respectively, in use, when the hoop 68 is contracted, the support plate 81 drives the arc-shaped plate 82 to unfold and support the inner wall of the connecting piece 3, at the same time, the lead screw 53 drives the nut 91 to move, the nut 91 drives the moving sleeve 94 to move synchronously through the extension rod 93, the moving sleeve 94 drives the connecting shaft 56 to rotate and move at the same time under the action of the limiting block 95, the connecting shaft 56 drives the guide plate 101 to slide through the telescopic rod 96 when moving, so that the guide plate 101 buffers the connection between the contracted part and the middle part when the hoop 68 contracts the two ends of the connecting piece 3, prevents over-contracting, makes the connection more gentle, and at the same time, the guide plate 101 contacts the inner wall of the contracted part when the two ends of the connecting piece 3 are contracted, which guides the contracted part and makes the contraction more regular.

[0027] It should be further explained that, as Figure 12 shown, the guide assembly 10 further comprises a gear 102 rotatably arranged on the support plate 81, and a rack 103 fixedly arranged on the arc-shaped plate 82, the guide plate 101 is fixedly connected with the arc-shaped plate 82, and the rack 103 is engaged with the gear 102, in use, when one side of the guide plate 101 slides outwardly, the other side of the guide plate 101 slides in the opposite direction through the rack 103 and the gear 102, so that the two sides of the guide plate 101 guide the two sides of the contracted part at the same time.

[0028] Further, as Figure 7 shown, the base 1 is further provided with a baffle 11 matched with the connecting piece 3, which supports the connecting piece 3.

[0029] Example two

[0030] As Figure 14As shown, a detachable table steel pipe assembly process comprises the following steps: Step one, feeding process: the connecting piece 3 is pushed to the baffle 11 by a mechanical hand; Step two, necking process: the first rotating disc 62 rotates to drive the hoop 68 to neck the two ends of the connecting piece 3 and drive the arc-shaped plate 82 to support the inner wall of the connecting piece 3; Step three, guiding process: the nut 91 is driven to slide by the lead screw 53, and the connecting shaft 56 and the guide plate 101 are driven to slide, guiding the necking end; Step four, assembly process: the formed connecting piece 3 is taken out by the mechanical hand and assembled with the steel pipe 2.

[0031] Working process The connecting piece 3 is pushed into the baffle 11 by a mechanical hand or manually, then the lead screw 53, rotating shaft 54 and connecting shaft 56 are driven to rotate by the motor, the hoop 68 is driven to neck, the support plate 81 and arc-shaped plate 82 are driven to expand, the middle part of the connecting piece 3 is supported, the necking is more smooth, the connecting part between the necking part and the middle part is more labor-saving during necking, the inner wall of the necking part is in contact with the outer wall of the guide plate 101, the necking part is guided, and the necking is more regular.

[0032] In the description of the present application, it should be understood that the terms "front and back", "left and right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or components referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the application.

[0033] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0034] The above description in conjunction with the drawings is only a preferred embodiment of the present application, but the present application is not limited to the above-mentioned embodiments, it should be pointed out that for those skilled in the art, without departing from the structure of the present application, various modifications and improvements can be made, which should be regarded as the protection scope of the present application, and will not affect the effect and practicability of the present application.

Claims

1. A detachable table steel pipe assembly device, comprising a base (1) and a steel pipe (2) placed on the base (1), characterized in that: The base (1) is provided with a bearing seat (4) for connecting piece (3), one side of the bearing seat (4) is provided with driving assembly (5) and driving assembly (5) under the hoop assembly (6) and open and close assembly (7), the open and close assembly (7) is provided with support assembly (8), the support assembly (8) includes several support plates (81), the support plate (81) is provided with moving assembly (9) and moving assembly (9) under the guide assembly (10), the guide assembly (10) includes the guide plate (101) slidingly arranged on both sides of the support plate (81), the driving assembly (5) is used to drive the support plate (81) to be unfolded while driving the hoop assembly (6) to neck the both ends of the connecting piece (3), the moving assembly (9) is used to drive the guide plate (101) to slide to the necking direction of the connecting piece (3), and the guide assembly (10) is used to guide when the connecting piece (3) is necked.

2. The detachable desk steel pipe assembly device according to claim 1, characterized in that: The driving assembly (5) includes a support frame (51) fixedly arranged on the base (1), a fixed plate (52) fixedly arranged on the support frame (51), a lead screw (53) rotatably arranged between the support frame (51) and the fixed plate (52), a rotating shaft (54) rotatably arranged on the fixed plate (52), a first sliding block (55) fixedly arranged on the rotating shaft (54), a connecting shaft (56) sleeved on the rotating shaft (54), and a first sliding groove (57) formed in the connecting shaft (56). The lead screw (53) is fixedly connected with the rotating shaft (54), and the first sliding block (55) is matched with the first sliding groove (57).

3. The detachable desk steel pipe assembly device according to claim 2, characterized in that: The hoop assembly (6) includes a fixed seat (61) fixedly arranged on both sides of the base (1), a first rotary disc (62) rotatably arranged in the fixed seat (61), a plurality of first arc-shaped grooves (63) formed in the circumferential direction of the first rotary disc (62), a plurality of first limiting seats (64) fixedly arranged on the base (1), a first limiting rod (65) slidingly arranged in the first limiting seat (64), a first sliding rod (66) fixedly arranged on the first limiting rod (65), a first limiting plate (67) fixedly arranged on the first sliding rod (66), a hoop ring (68) fixedly arranged on the first limiting rod (65), a connecting rod (69) fixedly connected between the first rotary disc (62), a second sliding block (610) fixedly arranged on the connecting shaft (56), a rotating sleeve (611) sleeved on the connecting shaft (56), a second sliding groove (612) formed in the rotating sleeve (611), and a plurality of cross rods (613) fixedly arranged on the rotating sleeve (611). The first sliding rod (66) is matched with the first arc-shaped groove (63), the hoop ring (68) is matched with the connecting piece (3), the cross rod (613) is fixedly connected with the first rotary disc (62), and the second sliding block (610) is matched with the second sliding groove (612).

4. The detachable desk steel pipe assembly device according to claim 2, characterized in that: The opening and closing assembly (7) comprises a second rotating disc (71) fixed on the rotating shaft (54), a plurality of second arc-shaped grooves (72) arranged in the circumferential direction of the second rotating disc (71), a plurality of second limiting seats (73) fixed on the rotating shaft (54), a second limiting rod (74) slidingly arranged in the second limiting seat (73), a second sliding rod (75) fixed on the second limiting rod (74), and a second limiting plate (76) fixed on the second sliding rod (75), wherein the second sliding rod (75) is matched with the second arc-shaped groove (72).

5. The detachable table steel pipe assembly device according to claim 4, characterized in that: The support assembly (8) further comprises an arc-shaped plate (82) slidingly arranged on the support plate (81), wherein the support plate (81) is fixedly connected with the second limiting rod (74), and the arc-shaped plate (82) is matched with the inner wall of the connecting piece (3).

6. The detachable desk steel pipe assembly device according to claim 2, characterized in that: The moving assembly (9) comprises a nut (91) slidingly arranged on the lead screw (53), an extension rod (93) slidingly arranged on the fixed plate (52), a moving sleeve (94) sleeved on the connecting shaft (56), a limiting block (95) fixed on the connecting shaft (56), and a telescopic rod (96) fixedly connected between the guide plate (101) and the connecting shaft (56), wherein the limiting block (95) is matched with the moving sleeve (94), and the nut (91) and the moving sleeve (94) are arranged on the two sides of the extension rod (93), respectively.

7. The detachable desk steel pipe assembly device according to claim 4, characterized in that: The guide assembly (10) further comprises a gear (102) rotatingly arranged on the support plate (81) and a rack (103) fixedly arranged on the arc-shaped plate (82), wherein the guide plate (101) is fixedly connected with the arc-shaped plate (82), and the rack (103) is engaged with the gear (102).

8. The detachable desk steel pipe assembly device according to claim 1, characterized in that: The base (1) is further provided with a baffle (11) matched with the connecting piece (3).

9. An assembling process of the detachable table steel pipe assembly device, comprising the following steps: Step one, feeding process: the connecting piece (3) is pushed to the baffle (11) by a mechanical hand; Step two, necking process: the first rotating disc (62) rotates to drive the hoop (68) to neck the two ends of the connecting piece (3) and drive the arc-shaped plate (82) to support the inner wall of the connecting piece (3) at the same time; Step three, guiding process: the nut (91) is driven to slide by the lead screw (53) at the same time to drive the connecting shaft (56) and the guide plate (101) to slide, thereby guiding the necked end; Step four, assembling process: the formed connecting piece (3) is taken out by the mechanical hand and assembled with the steel pipe (2).

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