Digital printing, binding and folding all-in-one machine

Abstract

The utility model discloses a digital printing, binding and folding all-in-one machine which comprises a printing unit, a cache unit and a binding and folding unit which are sequentially arranged along a process route, the binding and folding unit comprises a paper conveying plate connected with the paper outlet end of the cache unit, and a binding mechanism and a paper folding mechanism are arranged on the paper conveying plate; the binding mechanism comprises a pressing rod arranged above the paper conveying plate, a mold is arranged below the paper conveying plate, and a staple pressing opening opposite to the mold is formed in the paper conveying plate; the paper folding mechanism comprises a paper folding plate and a paper folding assembly located above the paper folding plate, and the paper folding assembly comprises two first folding rollers capable of forming a first paper folding channel, two second folding rollers capable of forming a second paper folding channel and a folding knife. According to the utility model, digital printing can be carried out on paper, the printed paper can be cached, the paper can be bound and folded, all processes can be completed in the same equipment, continuous production is realized, paper positioning errors are reduced, and the production efficiency and the quality of finished products are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of binding folding machine, in particular to a digital printing binding folding integrated machine. BACKGROUND

[0002] The existing book production process generally includes printing, buffering, binding and folding, each process in the process uses separate equipment to complete, and after completing each process, the paper needs to be buffered and transported to another equipment to complete the next process, which occupies a lot of time in the process of transportation, interrupts the adjacent process, causes the processes to be difficult to connect with each other, cannot form continuous production, reduces the production efficiency, and the paper needs to be positioned before each process, which is easy to form cumulative error, causes the binding to be uneven or the folding to be offset, and affects the product quality. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a digital printing binding folding integrated machine, which can complete all processes, realize continuous production, reduce paper positioning error, and effectively improve the production efficiency and product quality.

[0004] The utility model achieves the purpose by the following technical scheme:

[0005] A digital printing binding folding integrated machine, which comprises a printing unit, a buffering unit and a binding folding unit arranged in sequence along a process route, the binding folding unit comprises a paper conveying plate connected to the paper outlet end of the buffering unit, the paper conveying plate is provided with a binding mechanism and a folding mechanism; the binding mechanism comprises a pressing rod arranged above the paper conveying plate, a mold capable of cooperating with the pressing rod to press a staple into the paper and bend the staple is arranged below the paper conveying plate, and a staple pressing hole opposite to the mold is formed in the paper conveying plate; the folding mechanism comprises a folding plate connected to the paper outlet end of the paper conveying plate and a folding assembly arranged above the folding plate, the folding assembly comprises two first folding rollers capable of forming a first folding channel, two second folding rollers capable of forming a second folding channel, and a folding knife capable of making the paper pass through the second folding channel and the first folding channel in a folded shape along the binding position.

[0006] On the basis of the above technical scheme, the utility model can be improved as follows:

[0007] Further, the second folding channel is communicated with the first folding channel, and an adjusting mechanism capable of adjusting the width of the second folding channel and the first folding channel is arranged between the first folding roller and the second folding roller.

[0008] Further, the folding mechanism further comprises a mounting plate rotatably connecting the first folding rollers and the second folding rollers, the mounting plate is provided with a first guide slot for guiding the two first folding rollers to move towards or away from each other in a direction perpendicular to the folding knife moving direction, and is provided with a second guide slot for guiding the two second folding rollers to move towards or away from each other in a direction perpendicular to the folding knife moving direction.

[0009] Further, a first spring is arranged between the slot side wall of the first guide slot and the end of the first folding roller, and a second spring is arranged between the slot side wall of the second guide slot and the end of the second folding roller.

[0010] Further, a first rolling bearing is mounted at the end of the first folding roller, the first rolling bearing is movably fitted in the first guide slot, one end of the first spring abuts against the slot side wall of the first guide slot, and the other end of the first spring abuts against the outer peripheral surface of the first rolling bearing.

[0011] A second rolling bearing is mounted at the end of the second folding roller, the second rolling bearing is movably fitted in the second guide slot, one end of the second spring abuts against the slot side wall of the second guide slot, and the other end of the second spring abuts against the outer peripheral surface of the second rolling bearing.

[0012] Further, the adjusting mechanism comprises two first pressing plates, two second pressing plates, a first sliding plate, a second sliding plate, a limiting plate, and a driving wheel; the first pressing plates are fixedly mounted on the mounting plate and limit the first rolling bearings in the first guide slots; the second pressing plates are fixedly mounted on the mounting plate and limit the second rolling bearings in the second guide slots; the limiting plate is fixedly mounted on the mounting plate and movably limits the first sliding plate between the two first pressing plates and movably limits the second sliding plate between the two second pressing plates; the limiting plate is provided with an adjusting slot, and the driving wheel is rotatably mounted on the mounting plate and located in the adjusting slot of the limiting plate; the abutting end of the first sliding plate abuts against the outer peripheral surface of the first rolling bearing on the two first folding rollers, and the extending end of the first sliding plate movably extends into the adjusting slot and abuts against the outer peripheral surface of the driving wheel; the abutting end of the second sliding plate abuts against the outer peripheral surface of the second rolling bearing on the two second folding rollers, and the extending end of the second sliding plate movably extends into the adjusting slot and abuts against the outer peripheral surface of the driving wheel.

[0013] Further, the abutting end of the first sliding plate and the abutting end of the second sliding plate are provided with abutting parts, the abutting part on the first sliding plate is an isosceles triangle structure with gradually decreasing width from bottom to top, and the two side slopes of the abutting part on the first sliding plate are respectively in abutment with the outer circumferential surfaces of the first rolling bearings on the two first folding rollers; the abutting part on the second sliding plate is an isosceles triangle structure with gradually decreasing width from top to bottom, and the two side slopes of the abutting part on the second sliding plate are respectively in abutment with the outer circumferential surfaces of the second rolling bearings on the two second folding rollers.

[0014] Further, the limiting plate is provided with guide grooves on opposite sides of the adjusting groove, and the guide grooves are used for guiding the up-and-down sliding of the extension ends of the first sliding plate and the second sliding plate.

[0015] Further, the binding mechanism further comprises a driving rod, the top end of the driving rod is connected with the pressing rod, the bottom end of the driving rod is connected with an oscillating wheel, the oscillating wheel is rotatably installed on the rack and is in transmission connection with a power mechanism arranged on the rack.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] The digital printing machine can not only perform digital printing on paper and buffer the printed paper, but also bind and fold the paper, and all processes can be completed in the same equipment, continuous production is realized, cumulative errors caused by multiple positioning of the paper are avoided, and production efficiency and product quality are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described in detail below in combination with the drawings and specific embodiments

[0019] Figure 1 It is a structural schematic view of the digital printing and binding and folding all-in-one machine in the embodiment;

[0020] Figure 2 It is a structural schematic view of the binding and folding unit in the embodiment;

[0021] Figure 3 It is a structural schematic view of the binding mechanism in the embodiment;

[0022] Figure 4 It is a structural schematic view of the paper folding mechanism in the embodiment;

[0023] Figure 5 It is a structural schematic view of the mounting plate in the embodiment;

[0024] Figure 6 It is a structural schematic view of the limiting plate in the embodiment;

[0025] Figure 7 It is a structural schematic view of the first sliding plate in the embodiment;

[0026] Figure 8 This is a schematic diagram of the drive wheel in the embodiment.

[0027] The labels on the attached diagram are as follows: 1-Digital printing mechanism, 2-Paper stacking mechanism, 3-Paper feeder, 4-Paper receiver, 5-Pressure bar, 6-Fitting station, 7-Mold, 8-Pressure pin, 9-Drive rod, 10-Swing wheel, 11-Paper folding, 12-Standing plate, 13-First folding roller, 14-Second folding roller, 15-Folding knife, 16-Mounting plate, 17-First guide groove, 18-First spring, 19-First rolling bearing, 20-Second guide groove, 21-Second spring, 22-Second rolling bearing, 23-First pressure plate, 23a-First clearance groove, 24-Second pressure plate, 24a-Second clearance groove, 25-First sliding plate, 26-Second sliding plate, 27-Limiting plate, 28-Drive wheel, 29-Adjusting groove, 30-Guide groove, 31-Stop block, 32-Drive plate, 33-Connecting shaft. Detailed Implementation

[0028] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. These descriptions are intended to aid in understanding the utility model but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0029] See Figures 1 to 8 This embodiment relates to a digital printing, binding, and folding machine, which includes a printing unit, a buffer unit, and a binding and folding unit arranged sequentially along the process route; the printing unit is used to digitally print paper; the buffer unit is used to buffer the printed paper; and the binding and folding unit is used to bind and fold the paper.

[0030] In this embodiment, the printing unit is a digital printing mechanism 1 in the prior art, and the buffer unit is a paper stacking mechanism 2 in the prior art; the binding and folding unit includes a frame, a paper feeder 3 connected to the paper output end of the buffer unit on the frame, and a binding mechanism and a folding mechanism on the paper feeder 3. The paper passes through the binding mechanism and the folding mechanism in sequence through the paper feeder 3 to complete binding and folding respectively.

[0031] Specifically, the stapling mechanism comprises a press rod 5 arranged on the frame, the press rod 5 is used for pressing the staple towards the paper conveying plate 3, a plurality of stapling stations 6 are movably arranged on the press rod 5, the stapling stations 6 on the press rod 5 are moved to change the stapling position to adapt to the stapling needs of paper sheets of different sizes; a die 7 is arranged below the press rod 5, the die 7 is located below the paper conveying plate 3, a staple pressing hole 8 is arranged on the paper conveying plate 3 and opposite to the die 7; the staple is pressed by the press rod 5 to enable the staple to be pressed into the paper sheet located on the paper conveying plate 3 and to be bent by the die 7 to complete the stapling.

[0032] The stapling mechanism further comprises a driving rod 9, the top end of the driving rod 9 is connected with the press rod 5, the bottom end of the driving rod 9 is connected with an oscillating wheel 10, the oscillating wheel 10 is rotatably arranged on the frame and is in transmission connection with a power mechanism arranged on the frame, power is generated by the power mechanism to drive the oscillating wheel 10 to rotate and drive the press rod 5 to move up and down, the frame is provided with a guide groove capable of guiding the press rod 5 to move up and down; the power mechanism is an electric motor arranged on the frame, the electric motor is a servo motor in the prior art, and the servo motor is in transmission connection with the oscillating wheel 10.

[0033] The paper folding mechanism comprises a paper folding plate 11 and a folding assembly, the paper folding plate 11 is located below the folding assembly and is in butt joint with the paper outlet end of the paper conveying plate 3 to facilitate guiding the stapled paper sheet into the folding assembly to complete the folding.

[0034] The frame comprises two opposite standing plates 4; the folding assembly comprises two first folding rollers 13 and two second folding rollers 14 rotatably arranged between the two standing plates 4, the two first folding rollers 13 are located above the two second folding rollers 14; a first paper folding channel is formed between the two first folding rollers 13, a second paper folding channel is formed between the two second folding rollers 14, and the second paper folding channel and the first paper folding channel are in communication; a synchronous wheel (not shown in the figure) is arranged at one end of the first folding roller 13 and the second folding roller 14, and the synchronous wheels are in transmission connection through a synchronous belt; an electric motor is arranged on the standing plate 4, the electric motor generates power as a power source and is in transmission connection with the first folding roller 13 or the second folding roller 14 to drive the first folding roller 13 and the second folding roller 14 to rotate, and the rotation directions of the two first folding rollers 13 are opposite, and the rotation directions of the two second folding rollers 14 are opposite, so that the folded paper sheet can pass through the second paper folding channel and the first paper folding channel in sequence to complete the folding.

[0035] A foldable knife 15 is further arranged between the two standing plates 4 and is liftable, the foldable knife 15 is used for pushing the stapled paper sheet into the second paper folding channel from below to facilitate the paper sheet to pass through the second paper folding channel and the first paper folding channel in sequence in a folded state along the stapling position, and the paper sheet is flattened by the corresponding folding rollers to complete the folding when passing through the two paper folding channels.

[0036] The mounting plate 16 is further provided with a first guide slot 17 corresponding to the first folding roller 13 and perpendicular to the moving direction of the folding knife 15, the end of the two first folding rollers 13 is rotatably connected in the first guide slot 17 and can slide along the first guide slot 17; the slot side wall of each first guide slot 17 and the outer peripheral wall of the end of the first folding roller 13 are provided with a first spring 18, so that the two first folding rollers 13 have a mutual approach tendency.

[0037] In order to improve the rotation smoothness of the first folding roller 13, a first rolling bearing 19 is mounted at the end of the first folding roller 13, the first rolling bearing 19 is movably fitted in the first guide slot 17, one end of the first spring 18 abuts against the slot side wall of the first guide slot 17, and the other end of the first spring 18 abuts against the outer peripheral surface of the first rolling bearing 19.

[0038] The mounting plate 16 is further provided with a second guide slot 20 corresponding to the second folding roller 14 and perpendicular to the moving direction of the folding knife 15, the end of the two second folding rollers 14 is rotatably connected in the second guide slot 20 and can slide along the second guide slot 20; the slot side wall of each second guide slot 20 and the outer peripheral wall of the end of the second folding roller 14 are provided with a second spring 21, so that the two second folding rollers 14 have a mutual approach tendency.

[0039] In order to improve the rotation smoothness of the second folding roller 14, a second rolling bearing 22 is mounted at the end of the second folding roller 14, the second rolling bearing 22 is movably fitted in the second guide slot 20, one end of the second spring 21 abuts against the slot side wall of the second guide slot 20, and the other end of the second spring 21 abuts against the outer peripheral surface of the second rolling bearing 22.

[0040] The first folding roller 13 and the second folding roller 14 are provided with an adjusting mechanism, the adjusting mechanism is used for driving the two second folding rollers 14 to approach or move away from each other, and driving the two first folding rollers 13 to approach or move away from each other, so as to change the width of the second paper folding channel and the first paper folding channel respectively, so that the paper after being folded and flattened once enters the first paper folding channel, without the paper relying on its own thickness to open the first paper folding channel, effectively avoiding the folding part of the paper from being wrinkled or damaged by a large force, and improving the paper folding quality.

[0041] The adjusting mechanism comprises a first pressing plate 23, a second pressing plate 24, a first sliding plate 25, a second sliding plate 26, a limiting plate 27 and a driving wheel 28; the first pressing plate 23 is provided with two, and the two first pressing plates 23 are fixedly installed on the mounting plate 16 and abut against the outer end face of the first rolling bearing 19 to limit the first rolling bearing 19 in the first guide groove 17; the second pressing plate 24 is provided with two, and the two second pressing plates 24 are fixedly installed on the mounting plate 16 and abut against the outer end face of the second rolling bearing 22 to limit the second rolling bearing 22 in the first guide groove 17; the limiting plate 27 is fixedly installed on the mounting plate 16 and movably limits the first sliding plate 25 between the two first pressing plates 23 and movably limits the second sliding plate 26 between the two second pressing plates 24; the limiting plate 27 is provided with an adjusting groove 29, and the driving wheel 28 is rotatably installed on the mounting plate 16 and located in the adjusting groove 29 of the limiting plate 27; one end of the first sliding plate 25 is an abutting end and abuts against the outer circumferential surface of the first rolling bearing 19 on the two first folding rollers 13, and the other end of the first sliding plate 25 is an extending end and movably extends into the adjusting groove 29 to abut against the outer circumferential surface of the driving wheel 28; one end of the second sliding plate 26 is an abutting end and abuts against the outer circumferential surface of the second rolling bearing 22 on the two second folding rollers 14, and the other end of the second sliding plate 26 is an extending end and movably extends into the adjusting groove 29 to abut against the outer circumferential surface of the driving wheel 28.

[0042] The abutting end of the first sliding plate 25 and the abutting end of the second sliding plate 26 are provided with abutting parts, the abutting part on the first sliding plate 25 is an isosceles triangle structure with gradually decreasing width from bottom to top, and the two side slopes of the abutting part on the first sliding plate 25 abut against the outer circumferential surface of the first rolling bearing 19 on the two first folding rollers 13; the abutting part on the second sliding plate 26 is an isosceles triangle structure with gradually decreasing width from top to bottom, and the two side slopes of the abutting part on the second sliding plate 26 abut against the outer circumferential surface of the second rolling bearing 22 on the two second folding rollers 14; when the driving wheel 28 rotates, the first sliding plate 25 and the second sliding plate 26 can be driven to slide on the mounting plate 16; the limiting plate 27 is provided with guide grooves 30 on the opposite sides of the adjusting groove 29, and the guide grooves 30 are used to guide the extending end of the first sliding plate 25 and the second sliding plate 26 to slide up and down; when the driving wheel 28 rotates, the first rolling bearing 19 on the two first folding rollers 13 and the second rolling bearing 22 on the two second folding rollers 14 can be driven to approach or move away from each other, and correspondingly drive the two first folding rollers 13 and the two second folding rollers 14 to approach or move away from each other.

[0043] The driving wheel 28 in the embodiment is of an oval structure, and can drive the first sliding plate 25 to move upward, the first rolling bearings 19 on the two first folding rollers 13 move away from each other, the first springs 18 are compressed to form elastic force, and the two first folding rollers 13 are driven to move away from each other, so that the width of the first paper folding channel is increased, correspondingly, the second sliding plate 25 is also driven to move downward, the second rolling bearings 22 on the two second folding rollers 14 move away from each other, the second springs 21 are compressed to form elastic force, and the width of the second paper folding channel is also increased.

[0044] The first pressing plate 23 is provided with a first avoiding groove 23a on the side close to the first folding roller 13, so that the first folding roller 13 can move along the first guide groove 17, and interference between the end of the first folding roller 13 and the first pressing plate 23 is avoided; the second pressing plate 24 is provided with a second avoiding groove 24a on the side close to the second folding roller 14, so that the second folding roller 14 can move along the second guide groove 20, and interference between the end of the second folding roller 14 and the second pressing plate 24 is avoided.

[0045] The first sliding plate 25 and the second sliding plate 26 are provided with stop blocks 31 on the extending ends, the stop blocks 31 can be stopped in cooperation with the groove side walls of the guide grooves 30 on the limiting plate 27, so that the first sliding plate 25 and the second sliding plate 26 can be prevented from being separated from the limiting plate 27.

[0046] The vertical plate 4 is further provided with a driving plate 32, the driving plate 32 is rotatably installed on the vertical plate 4 through a connecting shaft 33; the driving plate 32 is formed with a driving part at one end, and is formed with a transmission part at the other end, the driving part of the driving plate 32 is hinged with the driving wheel 28, and the transmission part of the driving plate 32 is in transmission connection with a power component arranged on the vertical plate 4; after the transmission part of the driving plate 32 receives power generated by the power component, the connecting end of the driving plate 32 is driven to rotate around the connecting shaft 33, correspondingly, the driving wheel 28 is driven to rotate.

[0047] A paper collecting mechanism is arranged at the paper outlet end of the folding assembly, and is used for collecting the folded paper; the paper collecting mechanism is a paper collecting plate 4 in the prior art.

[0048] In the embodiment, the digital printing and folding integrated machine can not only perform digital printing on paper and buffer the printed paper, but also can perform bookbinding and folding on the paper, and all processes can be completed in the same device, so that continuous production is realized, and production efficiency is effectively improved.

[0049] The above-mentioned embodiments of the utility model are not the limitation of the protection scope of the utility model, the implementation mode of the utility model is not limited to this, according to the above-mentioned content of the utility model, according to the ordinary technical knowledge and the usual means of the art, under the premise that the above-mentioned basic technical thought of the utility model is not departed from, other various forms of modification, replacement or change of the above-mentioned structure of the utility model are all within the protection scope of the utility model.

Claims

1. A digital printing, binding and folding all-in-one machine, comprising a printing unit, a buffer unit and a binding and folding unit arranged in sequence along a process route, characterized in that, The binding and folding unit comprises a paper conveying plate connected to the paper outlet end of the buffer unit, and a binding mechanism and a paper folding mechanism are arranged on the paper conveying plate; the binding mechanism comprises a pressing rod arranged above the paper conveying plate, a die arranged below the paper conveying plate and capable of cooperating with the pressing rod to press a staple through the paper and bend the staple, and a staple pressing opening arranged on the paper conveying plate and opposite to the die; the paper folding mechanism comprises a paper folding plate connected to the paper outlet end of the paper conveying plate, and a folding assembly arranged above the paper folding plate, wherein the folding assembly comprises two first folding rollers capable of forming a first paper folding channel, two second folding rollers capable of forming a second paper folding channel, and a folding knife capable of making the paper pass through the second paper folding channel and the first paper folding channel in a folded manner along the binding position.

2. The digital printing, folding and binding integrated machine according to claim 1, wherein, The second paper folding channel is connected to the first paper folding channel, and an adjusting mechanism capable of adjusting the width of the second paper folding channel and the first paper folding channel is arranged between the first folding rollers and the second folding rollers.

3. The digital printing, folding and binding integrated machine according to claim 2, characterized in that, The paper folding mechanism further comprises a mounting plate rotatably connected to the first folding rollers and the second folding rollers, and the mounting plate is provided with a first guide groove for guiding the two first folding rollers to move towards or away from each other in a direction perpendicular to the moving direction of the folding knife, and a second guide groove for guiding the two second folding rollers to move towards or away from each other in a direction perpendicular to the moving direction of the folding knife.

4. The digital printing, folding and binding integrated machine according to claim 3, characterized in that, A first spring is arranged between the side wall of the first guide groove and the end of the first folding roller, and a second spring is arranged between the side wall of the second guide groove and the end of the second folding roller.

5. The digital printing, folding and binding integrated machine according to claim 4, wherein, A first rolling bearing is mounted at the end of the first folding roller, the first rolling bearing is movably fitted in the first guide groove, one end of the first spring abuts against the side wall of the first guide groove, and the other end of the first spring abuts against the outer circumferential surface of the first rolling bearing. A second rolling bearing is mounted at the end of the second folding roller, the second rolling bearing is movably fitted in the second guide groove, one end of the second spring abuts against the side wall of the second guide groove, and the other end of the second spring abuts against the outer circumferential surface of the second rolling bearing.

6. The digital printing, folding and binding integrated machine according to claim 5, characterized in that, The adjusting mechanism comprises two first pressing plates, two second pressing plates, a first sliding plate, a second sliding plate, a limiting plate and a driving wheel; the first pressing plates are fixedly installed on the mounting plate and limit the first rolling bearings in the first guide grooves; the second pressing plates are fixedly installed on the mounting plate and limit the second rolling bearings in the second guide grooves; the limiting plate is fixedly installed on the mounting plate and movably limits the first sliding plate between the two first pressing plates and movably limits the second sliding plate between the two second pressing plates; the limiting plate is provided with an adjusting groove, the driving wheel is rotatably installed on the mounting plate and located in the adjusting groove of the limiting plate; the abutting end of the first sliding plate abuts the outer circumferential surface of the first rolling bearings on the two first folding rollers, the extension end of the first sliding plate movably extends into the adjusting groove and abuts the outer circumferential surface of the driving wheel; the abutting end of the second sliding plate abuts the outer circumferential surface of the second rolling bearings on the two second folding rollers, and the extension end of the second sliding plate movably extends into the adjusting groove and abuts the outer circumferential surface of the driving wheel.

7. The digital printing, folding and binding integrated machine according to claim 6, characterized in that, The abutting end of the first sliding plate and the abutting end of the second sliding plate are provided with abutting portions, the abutting portion on the first sliding plate is an equilateral triangle structure with gradually decreasing width from bottom to top, and the two side slopes of the abutting portion on the first sliding plate abut the outer circumferential surface of the first rolling bearings on the two first folding rollers; the abutting portion on the second sliding plate is an equilateral triangle structure with gradually decreasing width from top to bottom, and the two side slopes of the abutting portion on the second sliding plate abut the outer circumferential surface of the second rolling bearings on the two second folding rollers.

8. The digital printing, folding and binding integrated machine according to claim 7, characterized in that, The limiting plate is provided with guide grooves on opposite sides of the adjusting groove, and the guide grooves are used for guiding the extension end of the first sliding plate and the extension end of the second sliding plate to slide up and down.

9. The digital printing, folding and binding all-in-one machine according to any one of claims 1 to 8, characterized in that, The binding mechanism further comprises a driving rod, the top end of the driving rod is connected with the pressing rod, the bottom end of the driving rod is connected with an oscillating wheel, the oscillating wheel is rotatably installed on the rack and is in transmission connection with the power mechanism arranged on the rack.

Images