A ring pole assembly device

Abstract

The utility model discloses a ring pole assembly device, comprising a frame and a ring track arranged at the bottom of the frame, wherein a ceramic ring assembly loading module, a first solder assembly loading module, a copper column assembly loading module, a second solder assembly loading module, a nickel cap assembly loading module, a block assembly loading module, a product unloading mechanism, a jig loading module and a discharging module are sequentially arranged on the frame around the ring track; a carrier is placed on the ring track, and the ring track is used to dynamically transmit the ceramic ring assembly loading module, the first solder assembly loading module, the copper column assembly loading module, the second solder assembly loading module, the nickel cap assembly loading module, the block assembly loading module, the product unloading mechanism, the jig loading module and the discharging module to realize the assembly of the battery pole and place the assembled product on the jig, and then batch the next process. The spatial layout is more reasonable and the production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical automation, in particular to an annular pole assembly device. Background Art

[0002] With the increasing application of mechanical automation production, the manufacturing industry in the 21st century tends to realize unmanned workshops, reduce labor, and realize intelligent and fully automatic production. The pole products include main parts, ceramic parts, brazing parts, nickel cap parts, and pressure blocks. In the automated production of battery pole assembly, the equipment needs to have high assembly accuracy and production efficiency, and the layout of each mechanism is reasonable to save space to achieve mass production of products. In the existing production process of battery pole assembly, there are limited production space, local difficulties in equipment, and high requirements for assembly accuracy, production capacity and yield rate for battery products. Therefore, reasonable space layout and assembly equipment setting have become current technical difficulties. Utility Model Content

[0003] The utility model aims to overcome at least one defect of the above-mentioned prior art and provide a ring-shaped pole assembly device to achieve the purposes of compact structure, reasonable layout, small space occupation and high production efficiency.

[0004] The utility model provides an annular pole assembly device, comprising a frame and an annular track arranged at the bottom of the frame, wherein a ceramic ring assembly loading module, a first solder assembly loading module, a copper column assembly loading module, a second solder assembly loading module, a nickel cap assembly loading module, a block assembly loading module, a product unloading mechanism, a jig loading module and a discharging module are sequentially arranged on the frame around the annular track; a carrier is placed on the annular track, and the annular track is used to dynamically transmit the ceramic ring assembly loading module, the first solder assembly loading module, the copper column assembly loading module, the second solder assembly loading module, the nickel cap assembly loading module, the block assembly loading module, the product unloading mechanism, the jig loading module and the discharging module to realize the assembly of battery poles and place the assembled products on the jig, and then carry out the next process in batches.

[0005] Further, the ceramic ring assembly feeding module includes a ceramic ring assembly mechanism and a ceramic ring feeding mechanism; the first solder assembly feeding module includes a first solder assembly mechanism and a first solder feeding mechanism; the copper column assembly feeding module includes a copper column assembly mechanism and a copper column feeding mechanism; the second solder assembly feeding module includes a second solder assembly mechanism and a second solder feeding mechanism; the nickel cap assembly feeding module includes a nickel cap assembly mechanism and a nickel cap feeding mechanism; the block assembly feeding module includes a block assembly mechanism and a block feeding mechanism; the first solder assembly mechanism, the ceramic ring feeding mechanism, the copper column feeding mechanism, the second solder feeding mechanism, the nickel cap feeding mechanism and the block feeding mechanism are arranged on the outer ring of the frame, which are used for feeding and correcting different materials, so as to facilitate the use of the next workstation; the first solder assembly mechanism, the copper column assembly mechanism, the second solder assembly mechanism, the nickel cap assembly mechanism and the block assembly mechanism are arranged on the inner side of the frame and on the outer side of the annular track; they are used to grab materials and install them on the carrier.

[0006] Furthermore, the ceramic ring feeding mechanism, the copper column feeding mechanism and the pressure block feeding mechanism have the same structure, and respectively include a first frame, a first hopper, a first circular vibration mechanism, a material separation mechanism and a first straight vibration mechanism; the first hopper is installed on the first frame and is arranged above the first circular vibration mechanism, the end of the first circular vibration mechanism is connected to the material separation mechanism, and the first straight vibration mechanism is arranged on one side of the connection point between the first circular vibration mechanism and the material separation mechanism, and is used to transmit the vibration of the material in the first circular vibration mechanism to the material separation mechanism.

[0007] Furthermore, the first solder feeding mechanism and the second solder feeding mechanism have the same structure, and respectively include a second frame, a first visual positioning device, a flexible vibration disk and a flexible vibration silo assembly; by adding material to the flexible vibration silo assembly, and then transmitting it to the flexible vibration disk, the first visual positioning device locates the position of the material in the flexible vibration disk, and corrects the grasped material.

[0008] Furthermore, the first visual positioning device includes an upper positioning detection device and a lower positioning detection device; the upper positioning detection device is arranged above the flexible vibration disk, and is used to locate the position of the material in the flexible vibration disk; the lower positioning detection device is arranged at the discharge end of the flexible vibration disk, and is used to correct the material after being grasped.

[0009] Furthermore, the ceramic ring assembly mechanism, the first brazing material assembly mechanism, the copper column assembly mechanism, the second brazing material assembly mechanism, the nickel cap assembly mechanism and the pressing block assembly mechanism have the same structure; they include a third frame, a first track assembly, a second track assembly and a first rotating assembly arranged on the third frame; the first track assembly is perpendicular to the second track assembly in the horizontal direction; the second track assembly is arranged on the first track assembly, and the first rotating assembly is arranged on the second track assembly; the first track assembly and the second track assembly are used to realize the horizontal displacement of the first rotating assembly; a first gripper assembly is arranged below the first rotating assembly, and the material to be assembled is arranged on the circular track and is transferred downward in sequence from the previous workstation. After being transferred to the bottom of the first rotating assembly, the first gripper assembly is used to grab the assembly material and assemble it on the material to be assembled.

[0010] Furthermore, the annular pole assembly device of the utility model also includes a first solder detection mechanism, a second solder detection mechanism and a material blanking detection mechanism; the first solder detection mechanism, the second solder detection mechanism and the material blanking detection mechanism have the same structure, including a light source and a visual detection camera, which are used to detect the assembly status of the material at the upper work station.

[0011] Furthermore, the discharging module includes a lower jig mechanism and a discharging belt; the lower jig mechanism is used to grab the jig containing the product and transfer the jig to the discharging belt to realize discharging.

[0012] Furthermore, the product unloading mechanism and the lower jig mechanism have the same structure, and include, from bottom to top, a base, a first robotic arm, a second robotic arm and a second gripper assembly; one end of the first robotic arm is vertically connected to the base, and the other end is connected to the second robotic arm; the top of the second gripper assembly is installed on the second robotic arm; the product unloading mechanism is used to grab the product to the jig loading station, and the lower jig mechanism is used to grab the product with the jig to the discharge belt.

[0013] Furthermore, the jig loading module includes a fixed seat and a push-pull plate; the push-pull plate is used to place the jig; slots are provided on both sides of the fixed seat, and the side edges of the push-pull plate are embedded in the slots to realize a movable connection between the fixed seat and the push-pull plate; the end of the push-pull plate is also provided with a handle for convenient pushing and pulling.

[0014] The utility model adopts a circular track layout to assemble products, and the circular track is a twelve-station circular track. The first station of the utility model is a ceramic ring assembly station, and the second and third stations are first brazing material assembly stations. A flexible vibration plate is used for feeding, and the position of the material in the flexible vibration plate is located by an upper positioning detection device. The lower positioning detection device corrects the material after grabbing, and the first gripper assembly is used to realize the handling and assembly.

[0015] The fourth station is the copper column assembly station, which adopts the feeding form of circular vibration and straight vibration. The first track assembly, the second track assembly and the first rotating assembly realize the handling and assembly. The upper positioning detection device is also used to detect the incoming material status of the first solder assembly mechanism before assembly. If there is an abnormal product, the following parts will not be installed.

[0016] The fifth workstation is set as the copper column assembly inspection station, which uses a through-shooting method to detect whether the product is too high.

[0017] The sixth and seventh workstations are the second brazing material assembly workstations, which can adopt a double-workstation assembly mode, also using a flexible vibration plate to feed materials, and using the upper positioning detection device to locate the material position in the flexible vibration plate, and the lower positioning detection device to correct the material after grabbing, and use the first gripper assembly to achieve handling and assembly.

[0018] The eighth and ninth workstations are nickel cap assembly workstations. The nickel caps can also be set up as double-workstation assembly. The flexible vibration disk is used for feeding. The upper positioning detection device is located directly above the flexible vibration disk to locate the material position in the vibration disk, and the first gripper assembly is used to realize the handling and assembly. The first visual positioning device is used to detect the assembly status of the second brazing material before assembly, and the subsequent parts with assembly abnormalities will not be installed.

[0019] The tenth station is the briquetting assembly station, which also uses circular vibration and direct vibration feeding, and the first gripper assembly is used for handling and assembly.

[0020] The eleventh station is the product unloading station. Before unloading, the assembly status of the pressing block and the nickel cap is visually inspected. The product unloading mechanism is used to grab the material. The defective products are placed in the defective box, and the good products are placed in the jig on the positioning platform, that is, the jig loading module. The unloading jig mechanism grabs the empty jig from the silo to the jig positioning platform, and after the jig is loaded with the product, the jig with the product is placed on the unloading belt.

[0021] The twelfth station is the inspection and cleaning station. After all materials are off the track, this station inspects and cleans the track carrier to prevent products and foreign matter from flowing to the next station.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] Compared with a linear layout, the annular pole assembly device of the utility model has a more reasonable spatial layout, saving the installation space of the entire device; and compared with a linear layout, the structure is compact and more stable, and the yield rate and production capacity are significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the top view of the annular pole assembly mechanism of the utility model.

[0025] Figure 2 A schematic diagram showing the structure of the ceramic ring feeding mechanism.

[0026] Figure 3 A schematic diagram showing the structure of the first solder material feeding mechanism.

[0027] Figure 4 A schematic diagram showing the structure of the ceramic ring assembly mechanism.

[0028] Figure 5 To show the structural diagram of the blanking detection mechanism.

[0029] Figure 6 To show the structural diagram of the feeding mechanism.

[0030] Figure 7 This is a schematic diagram showing the structure of the fixture feeding module. DETAILED DESCRIPTION

[0031] The drawings in the embodiments provide a more detailed description of the technical solutions in the embodiments of the utility model. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of the utility model, not all of them. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the utility model, and should not be construed as limitations on the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. The embodiments of the utility model are described in detail below in conjunction with the drawings.

[0032] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0034] Example

[0035] A ring pole assembly device, such as Figure 1 As shown, it includes a frame 100 and a circular track 1 arranged at the bottom of the frame 100. The frame 100 is provided with a ceramic ring assembly mechanism 2, a ceramic ring feeding mechanism 3, a first solder assembly mechanism 4, a first solder feeding mechanism 5, a first solder visual positioning 6, a copper column assembly mechanism 7, a copper column feeding mechanism 8, a first solder detection mechanism 9, a whole machine table reference 10, a second solder assembly mechanism 11, a second solder feeding mechanism 12, a nickel cap assembly mechanism 13, a nickel cap feeding mechanism 14, a nickel cap visual positioning 15, a second solder detection mechanism 16, a block assembly mechanism 17, a block feeding mechanism 18, a product unloading mechanism 19, an unloading detection mechanism 20, a jig feeding module 21, a lower jig mechanism 22 and a discharging belt 23 around the circular track 1. The lower jig mechanism 22 is used to grab the jig with the product placed on it and transfer the jig to the discharging belt 23 to realize discharging.

[0036] The first solder assembly mechanism 4, the ceramic ring feeding mechanism 3, the copper column feeding mechanism 8, the second solder feeding mechanism 12, the nickel cap feeding mechanism 14 and the briquette feeding mechanism 18 are arranged on the outer ring of the frame 100, and are used for feeding different materials to facilitate the use of the next workstation; the first solder assembly mechanism 4, the copper column assembly mechanism 7, the second solder assembly mechanism 11, the nickel cap assembly mechanism 13 and the briquette assembly mechanism 17 are arranged on the inner side of the frame 100 and are located on the outer side of the annular track 1; they are used to grab materials and install them on the carrier 200.

[0037] Furthermore, the ceramic ring feeding mechanism 3, the copper column feeding mechanism 8 and the block feeding mechanism 18 have the same structure. Figure 2 As shown, taking the ceramic ring feeding mechanism 3 as an example, it includes a first frame 24, a first hopper 25, a first circular vibration mechanism 26, a material dividing mechanism 27 and a first linear vibration mechanism 28; the first hopper 25 is installed on the first frame 24 and is arranged above the first circular vibration mechanism 26, the end of the first circular vibration mechanism 26 is connected to the material dividing mechanism 27, and the first linear vibration mechanism 28 is arranged on one side of the connection point between the first circular vibration mechanism 26 and the material dividing mechanism 27, and is used to transmit the vibration of the material in the first circular vibration mechanism 26 to the material dividing mechanism 27.

[0038] The first solder material feeding mechanism 5 and the second solder material feeding mechanism 12 have the same structure. Figure 3As shown, taking the first solder feeding mechanism 5 as an example, it includes a second frame 46, an upper positioning detection device 29, a lower positioning detection device 30, a flexible vibration disk 31 and a flexible vibration bin assembly 32; by adding material to the flexible vibration bin assembly 32 and then transmitting it to the flexible vibration disk 31, the upper positioning detection device 29 is arranged above the flexible vibration disk 31, and is used to locate the position of the material in the flexible vibration disk 31; the lower positioning detection device 30 is arranged at the discharge end of the flexible vibration disk 31, and is used to correct the material after being grasped.

[0039] Furthermore, the ceramic ring assembly mechanism 2, the first solder assembly mechanism 4, the copper column assembly mechanism 7, the second solder assembly mechanism 11, the nickel cap assembly mechanism 13 and the pressing block assembly mechanism 17 have the same structure; Figure 4 As shown, it includes a third frame 33, a first track assembly 34, a second track assembly 35 and a first rotating assembly 36 arranged on the third frame 33; the first track assembly 34 is perpendicular to the second track assembly 35 in the horizontal direction; the second track assembly 35 is arranged on the first track assembly 34, and the first rotating assembly 36 is arranged on the second track assembly 35; the first track assembly 34 and the second track assembly 35 are used to realize the horizontal displacement of the first rotating assembly 36; a first gripper assembly 37 is arranged below the first rotating assembly 36, and the material to be assembled is arranged on the circular track 1 and is transferred downward from the previous workstation in sequence. When it is transferred to the bottom of the first rotating assembly 36, the first gripper assembly 37 is used to grab the assembly material and assemble it on the material to be assembled.

[0040] The first solder material detection mechanism 9, the second solder material detection mechanism 16 and the blanking detection mechanism 20 of the present invention have the same structure. Figure 5 As shown, it includes a light source 38 and a visual detection camera 39, which are used to detect the assembly status of the materials at the upper workstation.

[0041] Combination Figure 6 As shown, the product unloading mechanism 19 and the lower fixture mechanism 22 have the same structure, and include a base 40, a first robotic arm 41, a second robotic arm 42 and a second gripper assembly 43 from bottom to top; one end of the first robotic arm 41 is vertically connected to the base 40, and the other end is connected to the second robotic arm 42; the top of the second gripper assembly 43 is installed on the second robotic arm 42; the product unloading mechanism 19 is used to grab the product to the fixture loading station, and the lower fixture mechanism 22 is used to grab the product with the fixture to the discharge belt 23.

[0042] like Figure 7As shown, the jig loading module 21 includes a fixed seat 44 and a push-pull plate 45; the push-pull plate 45 is used to place the jig; slots are provided on both sides of the fixed seat 44, and the side edges of the push-pull plate 45 are embedded in the slots to realize a movable connection between the fixed seat 44 and the push-pull plate 45; the end of the push-pull plate 45 is also provided with a handle 47 for convenient pushing and pulling.

[0043] The specific working process of the utility model is as follows: 1. The rail trolley carrying the carrier 200 is in place and placed on the circular track 1, and the carrier 200 is placed on the ceramic ring; 2. The first brazing material is assembled on the ceramic ring after visual positioning; after visual inspection of the state of the first brazing material, the copper column is assembled on the first brazing material; 3. The second brazing material is assembled on the copper column; 4. After visual inspection of the state of the second brazing material, the nickel cap is assembled on the second brazing material; 5. After visual inspection of the state of the nickel cap, the pressing block is assembled on the nickel cap; 6. After visual inspection of the final product, it is transported to the customer's fixture; 7. The fixture takes the product out of the brazing furnace.

[0044] The above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model is described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model. Those skilled in the art can also make other changes within the spirit of the utility model and apply them to the design of the utility model, as long as they do not deviate from the technical effects of the utility model. These changes made according to the spirit of the utility model should be included in the scope of protection claimed by the utility model.

Claims

1. A ring pole assembly device, characterized in that: The invention comprises a frame (100) and an annular track (1) arranged at the bottom of the frame (100); a ceramic ring assembly loading module, a first solder assembly loading module, a copper column assembly loading module, a second solder assembly loading module, a nickel cap assembly loading module, a block assembly loading module, a product unloading mechanism (19), a fixture loading module (21) and a discharging module are sequentially arranged on the frame (100) around the annular track (1); The carrier (200) is placed on the circular track (1), and utilizes the circular track (1) to dynamically transmit the ceramic ring assembly loading module, the first solder assembly loading module, the copper column assembly loading module, the second solder assembly loading module, the nickel cap assembly loading module, the pressing block assembly loading module, the product unloading mechanism (19), the fixture loading module (21), and the unloading module to realize the assembly of the pole.

2. The annular pole assembly device according to claim 1, characterized in that: The ceramic ring assembly and feeding module comprises a ceramic ring assembly mechanism (2) and a ceramic ring feeding mechanism (3); The first solder material assembly and feeding module comprises a first solder material assembly mechanism (4) and a first solder material feeding mechanism (5); The copper column assembly and feeding module comprises a copper column assembly mechanism (7) and a copper column feeding mechanism (8); The second solder assembly and feeding module comprises a second solder assembly mechanism (11) and a second solder feeding mechanism (12); The nickel cap assembly and feeding module comprises a nickel cap assembly mechanism (13) and a nickel cap feeding mechanism (14); The pressing block assembly and feeding module comprises a pressing block assembly mechanism (17) and a pressing block feeding mechanism (18); The first solder assembly mechanism (4), the ceramic ring feeding mechanism (3), the copper column feeding mechanism (8), the second solder feeding mechanism (12), the nickel cap feeding mechanism (14) and the pressing block feeding mechanism (18) are arranged on the outer ring of the frame (100) and are used for feeding different materials and correcting deviations, so as to facilitate use at the next workstation; The first solder assembly mechanism (4), the copper column assembly mechanism (7), the second solder assembly mechanism (11), the nickel cap assembly mechanism (13) and the pressing block assembly mechanism (17) are arranged on the inner side of the frame (100) and located on the outer side of the annular track (1); and are used to grab materials and install the materials on the carrier (200) to be assembled.

3. The annular pole assembly device according to claim 2, characterized in that: The ceramic ring feeding mechanism (3), the copper column feeding mechanism (8) and the pressing block feeding mechanism (18) have the same structure, and respectively include a first frame (24), a first hopper (25), a first circular vibration mechanism (26), a material separation mechanism (27) and a first linear vibration mechanism (28); the first hopper (25) is installed on the first frame (24) and is arranged above the first circular vibration mechanism (26); the end of the first circular vibration mechanism (26) is connected to the material separation mechanism (27); the first linear vibration mechanism (28) is arranged on one side of the connection point between the first circular vibration mechanism (26) and the material separation mechanism (27), and is used to transmit the vibration of the material in the first circular vibration mechanism (26) to the material separation mechanism (27).

4. The annular pole assembly device according to claim 2, characterized in that: The first solder feeding mechanism (5) and the second solder feeding mechanism (12) have the same structure, and respectively include a second frame (46), a first visual positioning device, a flexible vibration disk (31) and a flexible vibration bin assembly (32); the material is added to the flexible vibration bin assembly (32), and then transmitted to the flexible vibration disk (31), and the first visual positioning device locates the position of the material in the flexible vibration disk (31), and corrects the grasped material.

5. The annular pole assembly device according to claim 4, characterized in that: The first visual positioning device comprises an upper positioning detection device (29) and a lower positioning detection device (30); the upper positioning detection device (29) is arranged above the flexible vibration disk (31) and is used to locate the position of the material in the flexible vibration disk (31); the lower positioning detection device (30) is arranged at the discharge end of the flexible vibration disk (31) and is used to correct the deviation of the material after being grasped.

6. The annular pole assembly device according to claim 2, characterized in that: The ceramic ring assembly mechanism (2), the first solder assembly mechanism (4), the copper column assembly mechanism (7), the second solder assembly mechanism (11), the nickel cap assembly mechanism (13) and the pressing block assembly mechanism (17) have the same structure; It comprises a third frame (33), a first track component (34), a second track component (35) and a first rotating component (36) arranged on the third frame (33); The first track component (34) and the second track component (35) are perpendicular to each other in a horizontal direction; The second track component (35) is arranged on the first track component (34), and the first rotating component (36) is arranged on the second track component (35); The first track assembly (34) and the second track assembly (35) are used to achieve horizontal displacement of the first rotating assembly (36); A first gripper assembly (37) is provided below the first rotating assembly (36). The material to be assembled is provided on the circular track (1) and is sequentially transferred downward from the previous workstation. After being transferred to the bottom of the first rotating assembly (36), the first gripper assembly (37) is used to grab the assembly material and assemble it onto the material to be assembled.

7. The annular pole assembly device according to claim 2, characterized in that: It also includes a first solder detection mechanism (9), a second solder detection mechanism (16) and a material blanking detection mechanism (20); the first solder detection mechanism (9), the second solder detection mechanism (16) and the material blanking detection mechanism (20) have the same structure, and include a light source (38) and a visual detection camera (39) for detecting the assembly status of the material at the upper workstation.

8. The annular pole assembly device according to claim 2, characterized in that: The discharging module comprises a lower jig mechanism (22) and a discharging belt (23); the lower jig mechanism (22) is used to grab the jig containing the product and transfer the jig to the discharging belt (23) to realize discharging.

9. The annular pole assembly device according to claim 8, characterized in that: The product unloading mechanism (19) and the lower fixture mechanism (22) have the same structure, and include, from bottom to top, a base (40), a first mechanical arm (41), a second mechanical arm (42), and a second gripper assembly (43); one end of the first mechanical arm (41) is vertically connected to the base (40), and the other end is connected to the second mechanical arm (42); the top of the second gripper assembly (43) is installed on the second mechanical arm (42); the product unloading mechanism (19) is used to grab the product to the fixture loading station, and the lower fixture mechanism (22) is used to grab the product with the fixture to the discharge belt (23).

10. The annular pole assembly device according to claim 8, characterized in that: The jig loading module (21) comprises a fixed seat (44) and a push-pull plate (45); the push-pull plate (45) is used to place the jig; slots are provided on both sides of the fixed seat (44), and the side edges of the push-pull plate (45) are embedded in the slots to realize a movable connection between the fixed seat (44) and the push-pull plate (45); the end of the push-pull plate (45) is also provided with a handle (47) for convenient pushing and pulling.

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