CN216140470U - A transfer device for producing bicycle frame - Google Patents

Abstract

The utility model discloses a transfer device for producing a bicycle frame, which comprises a rack, a suspension mechanism and an isolation mechanism, wherein the rack comprises a first vertical plate, a second vertical plate and a first telescopic rod for connecting the first vertical plate and the second vertical plate, and the first telescopic rod stretches and retracts to drive the first vertical plate and the second vertical plate to approach and move away from each other; the hanging mechanism is arranged on the rack and comprises a cross rod assembly and a plurality of hooks arranged on the cross rod assembly, the cross rod assembly comprises a first cross rod and a second cross rod which are horizontally connected in a sliding manner, the first cross rod is connected with a first vertical plate, and the second cross rod is connected with a second vertical plate; the isolation mechanism is arranged on the rack, is positioned below the suspension mechanism and comprises a first transverse plate and a second transverse plate which are connected in a horizontal sliding mode, the first transverse plate is connected with a first vertical plate, and the second transverse plate is connected with a second vertical plate. The transfer device for producing the bicycle frame can reduce the occupied position of the transfer device when the transfer device is idle, and is convenient to store.

Description

A transfer device for producing bicycle frame

Technical Field

The utility model relates to the technical field of bicycle frame production equipment, in particular to a conveying device for producing a bicycle frame.

Background

The bicycle frame is a bicycle accessory and is a framework of a bicycle.

During the production process of the bicycle frame, the semi-finished bicycle frame needs to be transferred among all working procedures.

The patent of utility model CN202400542U discloses a bicycle frame fork handling device, handling device include the support body, fix the multirow that is used for hanging bicycle frame fork on the support body and hang the part, fix a plurality of isolation parts that are used for separating adjacent bicycle frame fork on the support body, every isolation part corresponds respectively and is located one row of suspension part below.

However, the carrying device occupies a large space when being idle and is inconvenient to store.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the transfer device for producing the bicycle frame, which can reduce the occupied position of the transfer device when the transfer device is idle and is convenient to store.

A transfer device for producing a bicycle frame according to an embodiment of a first aspect of the present invention includes: the rack comprises a first vertical plate, a second vertical plate and a first telescopic rod for connecting the first vertical plate and the second vertical plate, wherein the first telescopic rod stretches and retracts to drive the first vertical plate and the second vertical plate to approach and depart from each other; the suspension mechanism is arranged on the rack and comprises a cross rod assembly and a plurality of hooks arranged on the cross rod assembly, the cross rod assembly comprises a first cross rod and a second cross rod which are horizontally connected in a sliding manner, the first cross rod is connected with the first vertical plate, the second cross rod is connected with the second vertical plate, and the hooks are used for suspending a bicycle frame; isolation mechanism sets up in the frame, be located hang the mechanism below, including horizontal sliding connection's first diaphragm and second diaphragm, first diaphragm is connected the first riser, the second diaphragm is connected the second riser, first diaphragm with the edge of second diaphragm all is provided with V type groove, the couple with the V type groove corresponds the setting from top to bottom.

The transfer device for producing the bicycle frame provided by the embodiment of the utility model at least has the following beneficial effects: through setting up the first riser, the second riser and connect the first telescopic link of first riser and second riser, the flexible first riser that drives of first telescopic link and second riser are close to and keep away from each other, thereby, when the transfer device hangs bicycle frame, the first telescopic link drives first riser and second riser and keeps away from each other, make and can hang more bicycle frames between first riser and the second riser, when the transfer device was idle, the flexible first riser that drives of first telescopic link and second riser are close to each other, make the position that the transfer device occupy littleer, conveniently deposit the transfer device.

In addition, through set up the mechanism of hanging in the frame, hang the mechanism and include horizontal pole subassembly, set up a plurality of couple on the horizontal pole subassembly to, the couple is used for hanging bicycle frame, and the horizontal pole subassembly can support the couple.

Meanwhile, the cross rod assembly comprises a first cross rod and a second cross rod which are connected in a horizontal sliding mode, the first cross rod is connected with a first vertical plate, the second cross rod is connected with a second vertical plate, it can be understood that the first cross rod and the second cross rod can be close to and away from each other, when the first vertical plate and the second vertical plate are away from each other, the first cross rod and the second cross rod can also be away from each other, when the first vertical plate and the second vertical plate are close to each other, the first cross rod and the second cross rod can also be close to each other, and therefore the cross rod assembly is prevented from blocking the movement of the first vertical plate and the second vertical plate.

Furthermore, through set up isolation mechanism in the frame, isolation mechanism is located hang the mechanism below, isolation mechanism includes horizontal sliding connection's first diaphragm and second diaphragm, first diaphragm is connected the first riser, the second diaphragm is connected the second riser, it can be understood that, first diaphragm and second diaphragm can be close to each other and keep away from, when first riser and second riser keep away from each other, first diaphragm and second diaphragm also can keep away from each other, when first riser and second riser are close to each other, first diaphragm and second diaphragm also can be close to each other to, avoid isolation mechanism to hinder the activity of first riser and second riser.

Simultaneously, the edge of first diaphragm and second diaphragm all is provided with V type groove, and couple and V type groove correspond the setting from top to bottom to, make couple and the cooperation of V type groove keep apart two adjacent bicycle frames, avoid two adjacent bicycle frames to collide each other and damage bicycle frame.

According to some embodiments of the utility model, the first telescopic rod comprises a first pipe and a second pipe sleeved outside the first pipe, the second pipe is provided with a plug pin, the first pipe is provided with a plurality of insertion holes for accommodating the plug pin along the length direction, and the plug pin is matched with the insertion holes for limiting.

The beneficial results are: through setting up first telescopic link into first pipe and suit the second pipe outside first pipe to, first pipe and second pipe can be close to each other and keep away from, and then, make first telescopic link can stretch out and draw back, and in addition, the second pipe sets up the bolt, and first pipe sets up the jack of a plurality of holding bolts along length direction, and the bolt is spacing with the jack cooperation, thereby, makes first telescopic link can the fixed length.

According to some embodiments of the utility model, a first guide bar is disposed on one side of the first cross bar, the first guide bar is disposed along a length direction of the first cross bar, and a first sliding groove for accommodating the first guide bar to slide is disposed on one side of the second cross bar.

The beneficial results are: through setting up first guide bar in one side of first horizontal pole, first guide bar sets up along the length direction of first horizontal pole, and one side of second horizontal pole sets up the gliding first spout of the first guide bar of holding to, first guide bar and first spout cooperation are spacing, make the slip of first horizontal pole and second horizontal pole more steady.

According to some embodiments of the utility model, the top surface and/or the bottom surface of the first guide bar is provided with a limiting convex strip, the first sliding groove is provided with a first limiting groove for accommodating the limiting convex strip, and the first limiting groove is arranged along the length direction of the first guide bar.

The beneficial results are: through set up spacing sand grip in the top surface and/or the bottom surface of first guide bar, first spout sets up the first spacing groove of the spacing sand grip of holding, and first spacing groove sets up along the length direction of first guide bar to, spacing sand grip and first spacing groove cooperation are spacing, avoid first guide bar to break away from first spout.

According to some embodiments of the utility model, the rack further comprises a first support rod arranged obliquely, one end of the first support rod is connected with the first vertical plate, and the other end of the first support rod is connected with one end of the first cross rod far away from the first vertical plate.

The beneficial results are: through setting up the first bracing piece of slope in the frame, the first riser is connected to the one end of first bracing piece, and the one end that the first riser was kept away from to the first horizontal pole is connected to the other end of first bracing piece to, first bracing piece can support first horizontal pole, makes the both ends of first horizontal pole can both be supported, makes first horizontal pole atress more balanced, and then, avoids first horizontal pole atress tenesmus.

According to some embodiments of the utility model, the rack further comprises a second supporting rod arranged obliquely, one end of the second supporting rod is connected with the second vertical plate, and the other end of the second supporting rod is connected with one end of the second cross rod far away from the second vertical plate.

The beneficial results are: through the second bracing piece that sets up the slope in the frame, the second riser is connected to the one end of second bracing piece, and the one end that the second riser was kept away from to the second horizontal pole is connected to the other end of second bracing piece to, the second bracing piece can support the second horizontal pole, makes the both ends of second horizontal pole can both be supported, makes the second horizontal pole atress more balanced, and then, avoids the second horizontal pole atress tenesmus.

According to some embodiments of the utility model, a second sliding groove is formed at one end of the first transverse plate close to the second transverse plate, the second sliding groove extends in a direction close to the first vertical plate, and the second sliding groove accommodates the second transverse plate to slide.

The beneficial results are: through set up the second spout in the one end that first diaphragm is close to the second diaphragm, the second spout extends the setting along the direction that is close to the first riser, and second spout holding second diaphragm slides to, the second spout can lead the slip of second diaphragm, makes the mutual slip of first diaphragm and second diaphragm more steady.

According to some embodiments of the utility model, the rack further comprises a third supporting rod which is arranged obliquely, one end of the third supporting rod is connected with the first vertical plate, and the other end of the third supporting rod is connected with one side, away from the first vertical plate, of the first transverse plate.

The beneficial results are: through setting up the third bracing piece of slope in the frame, the first riser is connected to the one end of third bracing piece, the one side that the first riser was kept away from to the first diaphragm is connected to the other end of third bracing piece, thereby, the third bracing piece can support the first diaphragm, make the first diaphragm can be supported by two points, make first diaphragm atress more balanced, and then, avoid first diaphragm atress tenesmus, simultaneously, the first diaphragm also can support the second diaphragm and keep away from one side of second riser, make the second diaphragm also can be supported by both ends, make the second diaphragm atress more balanced, avoid the second diaphragm tenesmus.

According to some embodiments of the utility model, the bottom of the frame is further provided with pulleys.

The beneficial results are: the pulley is arranged at the bottom of the rack, so that the transfer device is convenient to move, and the bicycle frame is convenient to transfer.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a transfer device for producing a bicycle frame according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a sectional view a-a shown in fig. 1.

Reference numerals: 100-a rack, 110-a first vertical plate, 120-a second vertical plate, 130-a first telescopic rod, 140-a suspension mechanism, 150-a cross bar component, 160-a hook, 170-a first cross bar, 180-a second cross bar, 190-an isolation mechanism, 200-a first cross bar, 210-a second cross bar, 220-a V-shaped groove, 230-a first pipe, 240-a second pipe, 250-a bolt, 260-a jack, 270-a first guide rod, 280-a first sliding groove, 290-a limiting convex strip, 300-a first limiting groove, 310-a first supporting rod, 320-a second supporting rod, 330-a second sliding groove, 340-a third supporting rod and 350-a pulley.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A transfer device for producing a bicycle frame according to an embodiment of the present invention will be described with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, a transfer device for producing a bicycle frame according to an embodiment of the present invention includes a frame 100, a suspension mechanism 140 and an isolation mechanism 190.

For the rack 100, the rack 100 includes a first vertical plate 110, a second vertical plate 120, and a first telescopic rod 130 connecting the first vertical plate 110 and the second vertical plate 120, and the first telescopic rod 130 stretches and retracts to drive the first vertical plate 110 and the second vertical plate 120 to approach and move away from each other.

This embodiment is through setting up first riser 110, second riser 120 and the first telescopic link 130 of connecting first riser 110 and second riser 120, first telescopic link 130 stretches out and draws back and drives first riser 110 and second riser 120 and be close to each other and keep away from, thereby, when the transfer device hangs bicycle frame, first telescopic link 130 drives first riser 110 and second riser 120 and keeps away from each other, make and can hang more bicycle frames between first riser 110 and the second riser 120, when the transfer device is idle, first telescopic link 130 drives first riser 110 and second riser 120 and is close to each other, make the position that the transfer device occupy littleer, conveniently deposit the transfer device.

In some specific embodiments, the first telescopic rod 130 includes a first tube 230 and a second tube 240 sleeved outside the first tube 230, the second tube 240 is provided with a plug 250, the first tube 230 is provided with a plurality of insertion holes 260 along the length direction for accommodating the plug 250, and the plug 250 is matched with the insertion holes 260 for limiting.

This embodiment is through setting up first telescopic link 130 to first pipe 230 and suit second pipe 240 outside first pipe 230, thereby, first pipe 230 and second pipe 240 can be close to each other and keep away from, and then, make first telescopic link 130 can stretch out and draw back, in addition, second pipe 240 sets up bolt 250, first pipe 230 sets up the jack 260 of a plurality of holding bolts 250 along length direction, bolt 250 cooperates spacingly with jack 260, thereby, make first telescopic link 130 can the fixed length.

In some specific embodiments, the bottom of the frame 100 is further provided with a pulley 350.

In the present embodiment, the pulley 350 is disposed at the bottom of the frame 100, so that the movement of the transfer device and the transfer of the bicycle frame are facilitated.

For the suspension mechanism 140, the suspension mechanism 140 is disposed on the rack 100, the suspension mechanism 140 includes a cross bar assembly 150 and a plurality of hooks 160 disposed on the cross bar assembly 150, the cross bar assembly 150 includes a first cross bar 170 and a second cross bar 180 connected in a horizontal sliding manner, the first cross bar 170 is connected to the first vertical plate 110, the second cross bar 180 is connected to the second vertical plate 120, and the hooks 160 are used for suspending the bicycle frame.

In the present embodiment, the suspension mechanism 140 is disposed on the frame 100, and the suspension mechanism 140 includes a cross bar assembly 150 and a plurality of hooks 160 disposed on the cross bar assembly 150, so that the hooks 160 are used for suspending the bicycle frame, and the cross bar assembly 150 can support the hooks 160.

Meanwhile, the cross bar assembly 150 includes a first cross bar 170 and a second cross bar 180 which are connected in a horizontal sliding manner, the first cross bar 170 is connected with the first vertical plate 110, and the second cross bar 180 is connected with the second vertical plate 120, it can be understood that the first cross bar 170 and the second cross bar 180 can be close to and away from each other, when the first vertical plate 110 and the second vertical plate 120 are far from each other, the first cross bar 170 and the second cross bar 180 can also be far from each other, and when the first vertical plate 110 and the second vertical plate 120 are close to each other, the first cross bar 170 and the second cross bar 180 can also be close to each other, thereby preventing the cross bar assembly 150 from obstructing the movement of the first vertical plate 110 and the second vertical plate 120.

In some specific embodiments, a first guide bar 270 is disposed at one side of the first rail 170, the first guide bar 270 is disposed along the length direction of the first rail 170, and a first sliding groove 280 for accommodating the first guide bar 270 to slide is disposed at one side of the second rail 180.

In this embodiment, the first guide bar 270 is disposed on one side of the first cross bar 170, the first guide bar 270 is disposed along the length direction of the first cross bar 170, and the first sliding groove 280 for accommodating the first guide bar 270 is disposed on one side of the second cross bar 180, so that the first guide bar 270 and the first sliding groove 280 are matched and limited, and the sliding of the first cross bar 170 and the second cross bar 180 is more stable.

Further, the top surface and/or the bottom surface of the first guide bar 270 are/is provided with a limit protrusion 290, the first sliding groove 280 is provided with a first limit groove 300 for accommodating the limit protrusion 290, and the first limit groove 300 is arranged along the length direction of the first guide bar 270.

In this embodiment, the top surface and/or the bottom surface of the first guide bar 270 are/is provided with the limiting convex strip 290, the first sliding groove 280 is provided with the first limiting groove 300 for accommodating the limiting convex strip 290, and the first limiting groove 300 is arranged along the length direction of the first guide bar 270, so that the limiting convex strip 290 and the first limiting groove 300 are matched to limit, and the first guide bar 270 is prevented from being separated from the first sliding groove 280.

In some specific embodiments, the rack 100 further includes a first support rod 310 disposed at an angle, one end of the first support rod 310 is connected to the first vertical plate 110, and the other end of the first support rod 310 is connected to an end of the first cross rod 170 away from the first vertical plate 110.

In the embodiment, the first inclined support rods 310 are arranged on the rack 100, one end of each first support rod 310 is connected to the first vertical plate 110, and the other end of each first support rod 310 is connected to one end, far away from the first vertical plate 110, of the first cross rod 170, so that the first support rods 310 can support the first cross rod 170, both ends of the first cross rod 170 can be supported, the stress of the first cross rod 170 is more balanced, and the first cross rod 170 is prevented from being stressed and falling.

In some specific embodiments, the rack 100 further includes a second support bar 320 disposed obliquely, one end of the second support bar 320 is connected to the second vertical plate 120, and the other end of the second support bar 320 is connected to one end of the second cross bar 180 away from the second vertical plate 120.

This embodiment is through setting up the second bracing piece 320 of slope at frame 100, and second riser 120 is connected to the one end of second bracing piece 320, and the one end that second riser 120 was kept away from to second horizontal pole 180 is connected to the other end of second bracing piece 320 to, second bracing piece 320 can support second horizontal pole 180, makes the both ends of second horizontal pole 180 both can both be supported, makes second horizontal pole 180 atress more balanced, and then, avoids second horizontal pole 180 atress tenesmus.

For the isolation mechanism 190, the isolation mechanism 190 is arranged on the machine frame 100, the isolation mechanism 190 is located below the suspension mechanism 140, the isolation mechanism 190 comprises a first transverse plate 200 and a second transverse plate 210 which are connected in a horizontal sliding mode, the first transverse plate 200 is connected with the first vertical plate 110, the second transverse plate 210 is connected with the second vertical plate 120, V-shaped grooves 220 are formed in the edges of the first transverse plate 200 and the second transverse plate 210, and the hooks 160 and the V-shaped grooves 220 are arranged in a vertically corresponding mode.

In the present embodiment, the isolation mechanism 190 is disposed on the rack 100, the isolation mechanism 190 is located below the suspension mechanism 140, the isolation mechanism 190 includes a first horizontal plate 200 and a second horizontal plate 210 which are connected in a horizontal sliding manner, the first horizontal plate 200 is connected to the first vertical plate 110, and the second horizontal plate 210 is connected to the second vertical plate 120, it can be understood that the first horizontal plate 200 and the second horizontal plate 210 can be close to and away from each other, when the first vertical plate 110 and the second vertical plate 120 are away from each other, the first horizontal plate 200 and the second horizontal plate 210 can also be away from each other, and when the first vertical plate 110 and the second vertical plate 120 are close to each other, the first horizontal plate 200 and the second horizontal plate 210 can also be close to each other, thereby preventing the isolation mechanism 190 from blocking the movement of the first vertical plate 110 and the second vertical plate 120.

Simultaneously, the edge of first diaphragm 200 and second diaphragm 210 all is provided with V type groove 220, and couple 160 corresponds the setting from top to bottom with V type groove 220 to, make couple 160 and the cooperation of V type groove 220 keep apart two adjacent bicycle frames, avoid two adjacent bicycle frames to collide each other and damage bicycle frame.

In some specific embodiments, a second sliding groove 330 is disposed at an end of the first cross plate 200 close to the second cross plate 210, the second sliding groove 330 extends in a direction close to the first vertical plate 110, and the second sliding groove 330 accommodates the second cross plate 210 to slide.

In this embodiment, the second sliding groove 330 is disposed at one end of the first horizontal plate 200 close to the second horizontal plate 210, the second sliding groove 330 extends along a direction close to the first vertical plate 110, and the second sliding groove 330 accommodates the second horizontal plate 210 to slide, so that the second sliding groove 330 can guide the sliding of the second horizontal plate 210, and the mutual sliding of the first horizontal plate 200 and the second horizontal plate 210 is more stable.

In some specific embodiments, the frame 100 further includes a third supporting rod 340 disposed obliquely, one end of the third supporting rod 340 is connected to the first vertical plate 110, and the other end of the third supporting rod 340 is connected to a side of the first horizontal plate 200 away from the first vertical plate 110.

In this embodiment, the inclined third supporting rod 340 is disposed on the rack 100, one end of the third supporting rod 340 is connected to the first vertical plate 110, and the other end of the third supporting rod 340 is connected to one side of the first horizontal plate 200 away from the first vertical plate 110, so that the third supporting rod 340 can support the first horizontal plate 200, and the first horizontal plate 200 can be supported by two points, so that the stress on the first horizontal plate 200 is more balanced, and further, the first horizontal plate 200 is prevented from being stressed and falling down, and meanwhile, the first horizontal plate 200 can also support one side of the second horizontal plate 210 away from the second vertical plate 120, so that the second horizontal plate 210 can also be supported by two ends, so that the stress on the second horizontal plate 210 is more balanced, and the second horizontal plate 210 is prevented from falling down.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (9)

1. A transfer device for producing a bicycle frame, comprising:

the rack (100) comprises a first vertical plate (110), a second vertical plate (120) and a first telescopic rod (130) for connecting the first vertical plate (110) and the second vertical plate (120), wherein the first telescopic rod (130) stretches and retracts to drive the first vertical plate (110) and the second vertical plate (120) to approach and depart from each other;

the suspension mechanism (140) is arranged on the rack (100) and comprises a cross bar assembly (150) and a plurality of hooks (160) arranged on the cross bar assembly (150), the cross bar assembly (150) comprises a first cross bar (170) and a second cross bar (180) which are horizontally connected in a sliding manner, the first cross bar (170) is connected with the first vertical plate (110), the second cross bar (180) is connected with the second vertical plate (120), and the hooks (160) are used for suspending a bicycle frame;

isolation mechanism (190), the setting is in on frame (100), be located hang mechanism (140) below, first diaphragm (200) and second diaphragm (210) including horizontal sliding connection, first diaphragm (200) are connected first riser (110), second diaphragm (210) are connected second riser (120), first diaphragm (200) with the edge of second diaphragm (210) all is provided with V type groove (220), couple (160) with the corresponding setting from top to bottom in V type groove (220).

2. The transfer device for producing the bicycle frame according to claim 1, wherein the first telescopic rod (130) comprises a first tube (230) and a second tube (240) sleeved outside the first tube (230), the second tube (240) is provided with a plug (250), the first tube (230) is provided with a plurality of insertion holes (260) for accommodating the plug (250) along the length direction, and the plug (250) is matched with the insertion holes (260) for limiting.

3. The transfer device for producing a bicycle frame according to claim 1, wherein a first guide bar (270) is provided at one side of the first cross bar (170), the first guide bar (270) is provided along a length direction of the first cross bar (170), and a first slide groove (280) for receiving the first guide bar (270) to slide is provided at one side of the second cross bar (180).

4. The transfer device for producing a bicycle rack according to claim 3, wherein the first guide bar (270) is provided with a limit protrusion (290) on the top surface and/or the bottom surface thereof, the first sliding groove (280) is provided with a first limit groove (300) receiving the limit protrusion (290), and the first limit groove (300) is provided along the length direction of the first guide bar (270).

5. The transfer device for producing a bicycle frame according to claim 1, wherein the frame (100) further comprises a first support rod (310) disposed obliquely, one end of the first support rod (310) is connected to the first vertical plate (110), and the other end of the first support rod (310) is connected to one end of the first cross rod (170) away from the first vertical plate (110).

6. The transfer device for producing a bicycle frame according to claim 1, wherein the frame (100) further comprises a second support bar (320) disposed obliquely, one end of the second support bar (320) is connected to the second vertical plate (120), and the other end of the second support bar (320) is connected to one end of the second cross bar (180) far away from the second vertical plate (120).

7. The transfer device for producing a bicycle frame according to claim 1, wherein a second sliding groove (330) is formed at one end of the first cross plate (200) close to the second cross plate (210), the second sliding groove (330) extends in a direction close to the first vertical plate (110), and the second sliding groove (330) accommodates the second cross plate (210) to slide.

8. The transfer device for producing a bicycle frame according to claim 1, wherein the frame (100) further comprises a third support bar (340) disposed obliquely, one end of the third support bar (340) is connected to the first vertical plate (110), and the other end of the third support bar (340) is connected to a side of the first cross plate (200) away from the first vertical plate (110).

9. The transfer device for producing bicycle frames according to claim 1, characterized in that the bottom of the frame (100) is also provided with pulleys (350).

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