Working station for cable beam water assembly

Abstract

The utility model discloses a work station for cable beam water assembly. The work station is provided with an assembly line base frame, a workbench mechanism, a conversion mechanism and a translation mechanism. The assembly line base frame is provided with a speed chain conveying line I and a speed chain conveying line II which are arranged side by side at an interval, and is provided with a station group; the workbench mechanism for bearing the cable harness moves on the assembly line base frame; the switching mechanism is assembled at each station, jacks the workbench mechanism which is currently conveyed in place, and translates to the opposite side; the translation mechanism is used for being connected with the workbench mechanism borne by the conversion mechanism bearing the current action and translates to the conversion mechanism on the opposite side in a transition mode. According to the utility model, the assembly line assembly work of the cable harness can be efficiently realized, and the device has the technical characteristics of compact structure, timely workpiece transfer and high production efficiency.

Description

Technical Field

[0001] The utility model relates to product assembly line equipment, in particular to a workstation used for assembly of cable harnesses, especially aviation cable harnesses. Background Art

[0002] Cable harnesses with terminals are widely used in electrical control equipment, especially in aviation harness structures.

[0003] In the modern production process, the cable harness with terminals is assembled on the assembly line with the finished cable harness body and accessories such as terminals to improve production efficiency and ensure product quality.

[0004] The conventional assembly line equipment used for assembly of cable harnesses with terminals is formed by a fixed flat plate structure; the transfer of workpieces between upstream and downstream processes is realized by traditional manual pushing and moving. Therefore, the assembly line equipment for assembly of cable harnesses mastered by the applicant has the technical problems of easy accumulation of workpieces and low production efficiency.

[0005] The double-speed chain conveyor line is widely used in automated assembly line production operations. However, as far as the assembly line assembly operation of cable harnesses is concerned, after repeated searches by the applicant, no relevant technology has been found to be disclosed.

[0006] Therefore, based on the particularity of the assembly line of cable harnesses with terminals and the technical deficiencies of the traditional fixed flat-plate structure assembly line equipment, it is necessary to use the mature double-speed chain conveyor line to design a double-speed chain conveyor line-based assembly line equipment for cable harness assembly operations. Utility Model Content

[0007] The technical purpose of the utility model is to provide a cable harness assembly line workstation (i.e., assembly line equipment) based on a double-speed chain conveyor line, which is conducive to improving production efficiency, in view of the particularity of the assembly line of the above-mentioned cable harness with terminals and the shortcomings of the prior art.

[0008] The technical purpose of the utility model is achieved through the following technical solution: a workstation for the assembly of cable harnesses, the workstation having an assembly line frame, a workbench mechanism, a conversion mechanism and a translation mechanism;

[0009] The assembly line frame has a first double-speed chain conveyor line and a second double-speed chain conveyor line spaced side by side; along the length direction of the assembly line frame, at least one group of workstations in a one-to-one corresponding relationship is set between the first double-speed chain conveyor line and the second double-speed chain conveyor line;

[0010] The workbench mechanism is used to carry the cable harness to be assembled and is displaced in a set direction on the assembly line base frame;

[0011] The conversion mechanism is installed at each workstation on the assembly line base frame, and is used to lift the workbench mechanism that is currently delivered to the double-speed chain conveyor line, and translate it to the double-speed chain conveyor line on the opposite side;

[0012] The translation mechanism is installed between the double-speed chain conveyor line 1 and the double-speed chain conveyor line 2 of each workstation group, and is used to connect the workbench mechanism carried by the conversion mechanism carrying the current action, and transition to the conversion mechanism on the opposite side.

[0013] As one of the preferred solutions, the workbench mechanism comprises a base frame, an electric push rod, a base plate, a lead screw translation assembly and a workbench plate;

[0014] The substrate is arranged on the top side of the base frame, and is hinged to the corresponding position of the base frame along the inner side / outer side of the substrate facing the workstation;

[0015] The bottom end of the electric push rod is hinged to the base frame, the top end of the electric push rod is hinged to the free end of the base plate, and the electric push rod is obliquely arranged on the base frame;

[0016] The workbench is used to fix the cable harness, and the workbench is assembled on the top side of the base plate through the lead screw translation assembly, and the lead screw translation assembly is arranged along the work station direction.

[0017] Furthermore, the lead screw translation assembly is mainly composed of a lead screw, a guide rail, a slider and a motor;

[0018] Both ends of the lead screw are assembled on the top side of the base plate through bearing assemblies;

[0019] The guide rail is fixed on the top side of the base plate and is parallel to the lead screw;

[0020] The slider is fixed to the bottom side of the workbench, and the slider is threadedly connected to the lead screw and linearly slidably matched with the guide rail;

[0021] The motor 1 is fixed on the top side of the substrate and is used to drive the lead screw to rotate.

[0022] As one of the preferred solutions, the conversion mechanism has a fixed frame, a pneumatic push rod, a movable frame, a second motor and multiple groups of belt conveyor components;

[0023] The movable frame is arranged on the top side of the fixed frame, and the movable frame is hinged to the fixed frame through a plurality of sets of triangular connecting rods;

[0024] The pneumatic push rod is connected to the fixed frame, and the telescopic end of the pneumatic push rod is hinged to at least one set of triangular connecting rods through a crank, and the extended pneumatic push rod pushes the triangular connecting rod through the crank to make the movable frame rise;

[0025] A plurality of groups of belt conveyor assemblies are assembled side by side at intervals on the top side of the movable frame, and the belt conveyor assemblies are arranged along the direction of the workstations;

[0026] The second motor is fixed on the movable frame and is used to drive the belt conveyor assembly.

[0027] Furthermore, the movable frame is hinged to the fixed frame through two sets of triangular connecting rods spaced side by side;

[0028] Each set of triangular connecting rods is composed of triangular joints at both ends and a longitudinal connecting rod hinged in the middle;

[0029] The triangular joints at the same end of the two sets of triangular connecting rods are connected in series by a transverse connecting rod;

[0030] The crank of the articulated pneumatic push rod is fixedly connected to the transverse connecting rod between the two sets of triangular connecting rods.

[0031] Furthermore, the pneumatic push rods are two that are spaced side by side and move synchronously;

[0032] Correspondingly, the cranks on the transverse connecting rod are divided into two pairs which are spaced apart and arranged side by side and are hinged to the two pneumatic push rods accordingly.

[0033] As one of the preferred solutions, the translation mechanism is a belt conveying structure, and the conveying direction is arranged along the direction of the workstations.

[0034] As one of the preferred solutions, the assembly line base frame has a display bracket located between the double-speed chain conveyor line 1 and the double-speed chain conveyor line 2 and extending upward;

[0035] The display bracket corresponds to each workstation and is connected with an electronic screen facing the workstation.

[0036] The beneficial technical effect of the utility model is as follows: the above-mentioned technical measures are aimed at the particularity of the assembly line of the above-mentioned terminal cable harnesses, especially the aviation harnesses, and are based on two sets of double-speed chain conveyor lines arranged side by side. A matching workstation group is formed between the two sets of double-speed chain conveyor lines, so that the workbench carrying the cable harness can be switched and translated between the workstation groups, thereby realizing the assembly line operation of the cable harness with high efficiency, especially with the cooperation of the automatic control technology, this high efficiency is more obvious and reliable. In addition, compared with traditional equipment, the entire workstation of the above-mentioned technical measures has a more compact workstation arrangement structure and occupies less space. Therefore, the workstation of the above-mentioned technical measures has the technical characteristics of compact structure, timely workpiece transfer and high production efficiency.

[0037] In the above technical measures, the workbench that carries the cable harness is formed with a flippable lifting structure and a translatable structure, which greatly improves the flexibility of the assembly operation. Specifically, the flat workbench after lowering can realize the positioning and placement of workpieces and anti-displacement assembly operations; the inclined workbench after rising can be used for non-anti-displacement assembly operations, such as marking operations, etc., which is conducive to adjusting and improving the working posture of the workstation personnel, reducing the bending time of the workstation personnel, and also effectively avoiding the placement of redundant items on the workbench. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a structural schematic diagram of the utility model.

[0039] Figure 2 for Figure 1 A partial enlarged view of the .

[0040] Figure 3 for Figure 2 Side view of.

[0041] Figure 4 for Figure 2 Schematic diagram of the structure of the conversion mechanism.

[0042] Figure 5 for Figure 4 Side view of.

[0043] Figure 6 for Figure 1 Schematic diagram of the structure of the workbench mechanism.

[0044] Figure 7 for Figure 6 Schematic diagram of the matching structure of the base frame and the electric push rod.

[0045] Figure 8 for Figure 6 Schematic diagram of the matching structure of the worktable and the screw translation assembly.

[0046] The meaning of the codes in the figure are as follows: 1—assembly line base frame; 11—double-speed chain conveyor line one; 12—double-speed chain conveyor line two; 13—display bracket; 14—electronic screen; 15—triplet lamp; 2—workbench mechanism; 21—base frame; 22—electric push rod; 23—base plate; 24—screw; 25—guide rail; 26—slider; 27—motor one; 28—workbench plate; 3—conversion mechanism; 31—fixed frame; 32—pneumatic push rod; 33—triangular connecting rod; 34—crank; 35—movable frame; 36—belt conveyor assembly; 37—motor two; 4—translation mechanism. DETAILED DESCRIPTION

[0047] The utility model relates to product assembly line equipment, specifically a workstation for assembly of cable harnesses, especially aviation cable harnesses, as shown below in conjunction with the accompanying drawings of the specification - Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The technical solution of the utility model is clearly and in detail explained.

[0048] It should be noted that the drawings of the present invention are schematic, and unnecessary details have been simplified to clarify the technical purpose of the present invention, so as to avoid blurring the technical solution of the present invention in the prior art. In addition, the expressions "approximately" and "substantially" in the following text regarding quantity or matching relationship mean that reasonable assembly errors and processing errors in the industry are allowed to exist, and do not literally express absolute quantity or matching relationship.

[0049] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the utility model includes an assembly line base frame 1, a workbench mechanism 2, a conversion mechanism 3 and a translation mechanism 4.

[0050] Among them, the assembly line base frame 1 has a double-speed chain conveyor line 11 and a double-speed chain conveyor line 2 12 spaced side by side. The double-speed chain conveyor line is a mature equipment, which is mainly composed of a frame and a double-speed motor, a double-speed chain, a compressed air pipeline, a conductive rail, etc. arranged on the frame. Along the length direction of the assembly line base frame 1, four groups of workstations in a one-to-one corresponding relationship are set between the double-speed chain conveyor line 1 11 and the double-speed chain conveyor line 2 12, that is, four workstations are set at intervals along the length direction of the double-speed chain conveyor line 1 1, and four workstations are also set at intervals along the length direction of the double-speed chain conveyor line 2 12, and each workstation on the double-speed chain conveyor line 2 12 corresponds one-to-one to each workstation on the double-speed chain conveyor line 1 11, thereby forming eight workstations on the assembly line base frame 1.

[0051] There are eight conversion mechanisms 3 arranged at each station on the assembly line base frame 1. Each conversion mechanism 3 is composed of a fixed frame 31, a pneumatic push rod 32, a movable frame 35, a second motor 37 and a plurality of belt conveyor components 36.

[0052] More specifically, the fixed frame 31 of the conversion mechanism 3 is a frame structure, which is arranged at a corresponding station of the assembly line base frame 1 .

[0053] The movable frame 35 of the conversion mechanism 3 is a frame structure, which is movably arranged at the top side of the fixed frame 31. The bottom side of the movable frame 35 is connected with two sets of triangular connecting rods 33 spaced side by side; each set of triangular connecting rods 33 is composed of triangular joints at both ends and a longitudinal connecting rod hinged in the middle, and the triangular joints at the same end of the two sets of triangular connecting rods 33 are connected in series by a transverse connecting rod, and two pairs of cranks 34 are spaced side by side on the transverse connecting rod between the two sets of triangular connecting rods 33. The movable frame 35 is hinged to the fixed frame 31 through the two sets of triangular connecting rods 33. In the non-rotating lifting state, the movable frame 35 is located on the top side of the fixed frame 31; in the rotating lifting state, the movable frame 35 is supported by the hinge fulcrum and lifted up on the top side of the fixed frame 31.

[0054] The conversion mechanism 3 has two pneumatic push rods 32. The pneumatic push rods 32 are installed in a horizontal manner in the fixed frame 31, and the cylinder end of the pneumatic push rods 32 is connected to the fixed frame 31, and the push rod end of the pneumatic push rods 32 can be horizontally telescopically displaced in the fixed frame 31. The two pneumatic push rods 32 are arranged side by side with a spacing in the fixed frame 31, and they act synchronously. The push rod end of each pneumatic push rod 32 is hinged to the corresponding crank 34 on the above-mentioned transverse connecting rod. The extended pneumatic push rod 32 pushes the triangular connecting rod 33 through the crank 34, and the triangular connecting rod 33 rotates around the hinge point on the fixed frame 31, so that the movable frame 35 produces an upward movement on the fixed frame 31.

[0055] The belt conveyor assembly 36 of the conversion mechanism 3 is composed of a transmission roller, a conveyor belt, etc. A plurality of groups of belt conveyor assemblies 36 are arranged side by side at intervals on the top side of the above-mentioned movable frame 35. The arrangement direction of these belt conveyor assemblies 36 on the top side of the movable frame 35 is arranged along the direction of the workstation, that is, along the width direction of the corresponding double-speed chain conveyor line.

[0056] The second motor 37 of the conversion mechanism 3 is fixed on the movable frame 35 and is used to drive the belt conveyor component 36.

[0057] In the initial state of the above-mentioned conversion mechanism 3, the top side of the belt conveyor assembly 36 is slightly lower than the double-speed chain of the corresponding double-speed chain conveyor line, and does not interfere with the normal operation of the double-speed chain conveyor line. When the workbench mechanism 2 that needs to be pushed up is transported to the top and needs to be converted to the opposite double-speed chain conveyor line, the pneumatic push rod 32 extends to make the rising belt conveyor assembly 36 lift the workbench mechanism 2 from the double-speed chain conveyor line; after lifting it into place, the motor 2 37 receives an action signal to drive the belt conveyor assembly 36 to move and transport the carried workbench mechanism 2 toward the opposite double-speed chain conveyor line.

[0058] That is to say, the above-mentioned conversion mechanism 3 is installed at each station on the assembly line base frame 1, and is used to lift the workbench mechanism 2 that is currently delivered to the double-speed chain conveyor line and translate it to the double-speed chain conveyor line on the opposite side. Therefore, in order to realize automatic control, the lifting / lowering action of the conversion mechanism 3 should be manually controlled by the corresponding button switch; the translation transmission action of the conversion mechanism 3 can be controlled by the controller-PLC controller through the induction of the sensor.

[0059] The translation mechanism 4 is installed between the double-speed chain conveyor line 11 and the double-speed chain conveyor line 12 of each workstation group, that is, it is connected between the corresponding conversion mechanism 3 on the double-speed chain conveyor line 11 and the corresponding conversion mechanism 3 on the double-speed chain conveyor line 12, and is used to connect the workbench mechanism 2 carried by the conversion mechanism 3 carrying the current action, and transition and translate to the conversion mechanism 3 on the opposite side.

[0060] The translation mechanism 4 is a belt conveyor structure, which is basically consistent with the structure of the belt conveyor assembly 36 on the movable frame 35 of the above-mentioned conversion mechanism 3, that is, it is composed of a frame, a transmission roller, a conveyor belt, a motor, etc. The frame is arranged between the double-speed chain conveyor line 11 and the double-speed chain conveyor line 2 12, the transmission roller and the motor are arranged on the frame, the conveyor belt is sleeved on the transmission roller, and the rotation conveying direction of the conveyor belt is arranged along the workstation direction - that is, along the width direction of the double-speed chain conveyor line. The height of the translation mechanism 4 is fixed. In order to be able to effectively connect with the conversion mechanism 3, the height of the translation mechanism 4 is basically flush with the conversion mechanism 3 after rising. In order to realize automatic control, the translation transmission action of the translation mechanism 4 can be controlled by the controller-PLC controller through the induction of the sensor.

[0061] The workbench mechanism 2 is used to carry the cable harness to be assembled and displace in a set direction on the assembly line base frame 1. More specifically, the workbench mechanism 2 is composed of a base frame 21, an electric push rod 22, a base plate 23, a screw translation assembly and a workbench plate 28.

[0062] The base frame 21 of the workbench mechanism 2 is a frame structure, which matches the above-mentioned double-speed chain conveyor line and is used to sit on the double-speed chain conveyor line, the conversion mechanism 3 and the translation mechanism 4.

[0063] The base plate 23 of the workbench mechanism 2 is arranged at the top side of the base frame 21, along the direction of the work station (i.e. the width direction of the double-speed chain conveyor line), the inner side / outer side of the base plate 23 (it appears to be the outer side at the double-speed chain conveyor line one 11, and appears to be the inner side when it is translated to the double-speed chain conveyor line two 12 through the conversion mechanism 3 and the translation mechanism 4) is hinged to the corresponding position of the base frame 21, that is, one side of the base plate 23 is hinged to the base frame 21, and the other side is a free end.

[0064] The bottom end of the electric push rod 22 of the workbench mechanism 2 is hinged to the base frame 21, the top end of the electric push rod 22 is hinged to the free end of the base plate 23, and the electric push rod 22 is arranged obliquely on the base frame 21. In this way, the initial base plate 23 is placed horizontally on the base frame 21, and when the electric push rod 22 is extended, the base plate 23 is pushed to rotate around the hinge point and flip up.

[0065] The workbench plate 28 of the workbench mechanism 2 is used to fix the cable harness, and is preferably formed of a lightweight material (such as aluminum). The workbench plate 28 is provided with a plurality of fixing holes arranged in a rectangular array, and the cable harness is fixed to the workbench plate 28 through the pins clamped by the fixing holes, so as to adapt to the workbench plate 28 being flippable on the above-mentioned base frame 21. After flipping up, the station personnel do not need to bend down to perform the marking operation on the cable harness, which greatly facilitates the station personnel.

[0066] In order to enable the workbench 28 to achieve displacement adjustment, the workbench 28 is assembled on the top side of the base plate 23 through a screw translation assembly, and the screw translation assembly is arranged along the workstation direction (i.e., the width direction of the double-speed chain conveyor line). The screw translation assembly is mainly composed of a screw 24, a guide rail 25, a slider 26 and a motor 27; both ends of the screw 24 are assembled on the top side of the base plate 23 through a bearing assembly; the guide rail 25 is fixed on the top side of the base plate 23 and is parallel to the screw 24; the slider 26 is fixed on the bottom side of the workbench 28, and the slider 26 is threadedly connected to the screw 24 and linearly slides with the guide rail 25; the motor 27 is fixed on the top side of the base plate 23 to drive the screw 24 to rotate. Under the drive of the motor 27, the screw 24 cooperates with the slider 26 to convert the rotational motion into linear displacement motion.

[0067] In order to realize automatic control and facilitate control according to the working process, the electric push rod 22 and the motor 27 of the workbench mechanism 2 are controlled by manually controllable button switches respectively.

[0068] Like other assembly line equipment, the assembly line base frame 1 has a display bracket 13 extending upward between the double-speed chain conveyor line 11 and the double-speed chain conveyor line 2 12. The display bracket 13 corresponds to each workstation and is connected to an electronic screen 14 facing the workstation with a telescopic arm. The display bracket 13 is provided with necessary triple lights 15, lighting lamps, etc.

[0069] The above specific technical solutions are only used to illustrate the present invention, rather than to limit it.

[0070] Although the present invention has been described in detail with reference to the above-mentioned specific technical solutions, those skilled in the art should understand that they can still modify the above-mentioned specific technical solutions, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the present invention.

Claims

1. A workstation for assembly of cable harnesses, characterized in that: The workstation comprises an assembly line frame (1), a workbench mechanism (2), a conversion mechanism (3) and a translation mechanism (4); The assembly line frame (1) has a first double-speed chain conveyor line (11) and a second double-speed chain conveyor line (12) spaced apart and arranged side by side; along the length direction of the assembly line frame (1), at least one group of workstations in a one-to-one corresponding relationship is set between the first double-speed chain conveyor line (11) and the second double-speed chain conveyor line (12); The workbench mechanism (2) is used to carry the cable harness to be assembled, and is displaced in a set direction on the assembly line base frame (1); The conversion mechanism (3) is mounted at each workstation on the assembly line base frame (1) and is used to lift the workbench mechanism (2) that is currently transported to the position by the double-speed chain conveyor line and to translate it toward the double-speed chain conveyor line on the opposite side; The translation mechanism (4) is installed between the double-speed chain conveyor line 1 (11) and the double-speed chain conveyor line 2 (12) of each workstation group, and is used to connect the workbench mechanism (2) carried by the conversion mechanism (3) carrying the current action, and transition to the conversion mechanism (3) on the opposite side.

2. The cable harness assembly workstation according to claim 1, characterized in that: The workbench mechanism (2) comprises a base frame (21), an electric push rod (22), a base plate (23), a lead screw translation assembly and a workbench plate (28); The base plate (23) is arranged on the top side of the base frame (21), and is hinged to a corresponding position of the base frame (21) along the inner side / outer side of the base plate (23) facing the workstation; The bottom end of the electric push rod (22) is hinged to the base frame (21), the top end of the electric push rod (22) is hinged to the free end of the base plate (23), and the electric push rod (22) is arranged obliquely on the base frame (21); The workbench plate (28) is used to fix the cable harness, and the workbench plate (28) is assembled on the top side of the base plate (23) through the lead screw translation assembly, and the lead screw translation assembly is arranged along the workstation direction.

3. The cable harness assembly workstation according to claim 2, characterized in that: The lead screw translation assembly is mainly composed of a lead screw (24), a guide rail (25), a slider (26) and a motor 1 (27); Both ends of the lead screw (24) are assembled on the top side of the base plate (23) via bearing assemblies; The guide rail (25) is fixed on the top side of the base plate (23) and is in parallel with the lead screw (24); The slider (26) is fixed to the bottom side of the workbench (28), and the slider (26) is threadedly connected to the lead screw (24) and linearly slidably matched with the guide rail (25); The motor 1 (27) is fixed on the top side of the base plate (23) and is used to drive the lead screw (24) to rotate.

4. The cable harness assembly workstation according to claim 1, characterized in that: The conversion mechanism (3) comprises a fixed frame (31), a pneumatic push rod (32), a movable frame (35), a second motor (37) and a plurality of belt conveyor components (36); The movable frame (35) is arranged on the top side of the fixed frame (31), and the movable frame (35) is hingedly connected to the fixed frame (31) via a plurality of sets of triangular connecting rods (33); The pneumatic push rod (32) is connected to the fixed frame (31), and the telescopic end of the pneumatic push rod (32) is hinged to at least one set of triangular connecting rods (33) via a crank (34), so that the extended pneumatic push rod (32) pushes the triangular connecting rod (33) via the crank (34) to make the movable frame (35) rise; A plurality of groups of belt conveyor assemblies (36) are installed side by side at intervals on the top side of the movable frame (35), and the belt conveyor assemblies (36) are arranged along the direction of the workstations; The second motor (37) is fixed on the movable frame (35) and is used to drive the belt conveyor assembly (36).

5. The cable harness assembly workstation according to claim 4, characterized in that: The movable frame (35) is hingedly connected to the fixed frame (31) via two sets of triangular connecting rods (33) spaced apart and arranged side by side; Each set of triangular connecting rods (33) is composed of triangular joints at both ends and a longitudinal connecting rod hinged in the middle; The triangular joints at the same end of the two sets of triangular connecting rods (33) are connected in series via a transverse connecting rod; The crank (34) of the hinged pneumatic push rod (32) is fixedly connected to the transverse connecting rod between the two sets of triangular connecting rods (33).

6. The cable harness assembly workstation according to claim 5, characterized in that: The pneumatic push rods (32) are two pneumatic push rods that are spaced side by side and move synchronously; Correspondingly, the cranks (34) on the transverse connecting rod are two pairs spaced apart and arranged side by side, and are hingedly connected to the two pneumatic push rods (32) accordingly.

7. The cable harness assembly workstation according to claim 1, characterized in that: The translation mechanism (4) is a belt conveying structure, and the conveying direction is arranged along the direction of the workstations.

8. The cable harness assembly workstation according to claim 1, characterized in that: The assembly line base frame (1) has a display bracket (13) located between the first double-speed chain conveyor line (11) and the second double-speed chain conveyor line (12) and extending upward; The display bracket (13) corresponds to each workstation and is connected to an electronic screen (14) facing the workstation.

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