A carton production apparatus

Abstract

The application belongs to the technical field of production equipment, and particularly relates to a carton production equipment. Through the setting of the jacking mechanism, when the paperboard is cut, the jacking mechanism can be lifted and lowered synchronously with the cutting and pressing mechanism, so as to assist in stabilizing the paperboard during cutting and improving the cutting quality. After cutting is completed, the excess material and the paperboard are automatically separated, so as to improve the operation convenience. Further, through the setting of the feeding mechanism, the feeding action when the excess material is used can be utilized to synchronously and effectively automatically take down the carton, so that manual intervention is not needed, the efficiency is improved, the labor consumption is reduced, and the production safety is improved.

Description

Technical Field

[0001] This invention belongs to the field of production equipment technology, and specifically relates to a carton production equipment. Background Technology

[0002] Currently, cardboard boxes are a common medium for storing, protecting, or transporting goods in various production sectors and people's daily lives. In particular, with the development of the logistics industry and infrastructure construction, the demand for cardboard boxes is increasing day by day.

[0003] Currently, in the cardboard box production process, the cardboard to be cut is usually transported to the designated cutting position by manual or external conveying mechanism, and the cardboard is cut into the specified shape by punching. However, the current general cardboard box cutting production equipment still requires too much manual assistance in the production process, that is, manual removal of the cut leftover material and cardboard boxes, which is inefficient and poses safety hazards. Summary of the Invention

[0004] The purpose of this invention is to provide a carton production equipment that solves the problems mentioned in the background art.

[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows:

[0006] A carton production equipment includes a frame, a cutting and pressing mechanism, a conveying mechanism, and a control panel. A cutting table is provided at the upper end of the frame. The cutting and pressing mechanism is located on the upper side of the frame and matches the cutting table. The conveying mechanism is located on the upper side of the frame. A lifting mechanism is provided inside the frame and between it and the cutting table.

[0007] The lifting mechanism consists of two components symmetrically arranged on the left and right sides of the frame. Each lifting mechanism includes a traction cable, a lifter, and a stabilizer. The lifter and stabilizer are both embedded in the frame, with the stabilizer positioned above the lifter. The cutting table is slidably mounted on the upper end of the frame and connected to the lifter and stabilizer. The traction cable is connected to the lifter and stabilizer on the same side, and the other end of the traction cable is connected to the cutting and pressing mechanism.

[0008] The maximum extension height of the cutting table is flush with the upper surface of the conveying mechanism.

[0009] The cutting and pressing mechanism includes a lifting cylinder, a cutting and pressing plate, and elastic pressure rods. The upper end of the frame is provided with a suspension, the lifting cylinder is located at the lower end of the suspension, the cutting and pressing plate is fixedly connected to the output shaft of the lifting cylinder and is matched with the cutting table, and the number of elastic pressure rods is several and they are evenly distributed at the lower end of the cutting and pressing plate.

[0010] The conveying mechanism consists of sprocket assemblies symmetrically arranged on the left and right sides of the frame and located inside the suspension. Each sprocket assembly includes two drive gears and an accessory chain. The two drive gears are distributed on the frame and rotate back and forth. The accessory chain is wound between the two drive gears. The drive gears on the same side of the two sprocket assemblies are connected by a drive shaft. One of the drive gears is connected to the output shaft of an external motor.

[0011] The lifting device includes a first plug, a first spring, and a first auxiliary cable. The frame has a first inner cavity. The first plug is slidably and sealed in the first inner cavity. One end of the first auxiliary cable is concentrically connected to the first plug and slides out of the first inner cavity to connect with the traction cable. The first spring is sleeved on the first auxiliary cable and located in the first inner cavity.

[0012] The stabilizer includes a sealing pin, a second plug, a second auxiliary cable, a second spring, and a third spring. The frame has a second inner cavity located above the first inner cavity. The first inner cavity and the second inner cavity are interconnected through a bypass channel. The sealing pin is slidably sealed in the second inner cavity. The sealing pin has a stepped cavity. The second plug is slidably disposed in the stepped cavity. The second auxiliary cable is connected to the second plug and slides out of the frame to connect with the traction cable. The second spring and the third spring are both sleeved on the second auxiliary cable and are located in the stepped cavity and the second inner cavity, respectively.

[0013] A corrugated sleeve is provided between the first plug and the front inner wall of the first inner cavity, and between the sealing pin and the front inner wall of the second inner cavity. The corrugated sleeve of the first plug is sleeved with the first auxiliary cable, and the corrugated sleeve of the sealing pin is sleeved with the second auxiliary cable. The first inner cavity, the second inner cavity, and the bypass channel are completely filled with hydraulic oil. The first inner cavity is also connected to an oil reservoir embedded in the frame through a two-way pressure valve. A pressure stabilizing hole communicating with the outside is opened on the rear side of both the first inner cavity and the second inner cavity.

[0014] The lower end of the cutting table is provided with a lifter, which includes a connecting rod, a third plug and a fourth spring. The frame has a third inner cavity located on the upper side of the second inner cavity and communicating with the side passage. The third plug is slidably sealed in the third inner cavity. The connecting rod is concentrically connected to the third plug and slides out of the third inner cavity. The fourth spring is sleeved with the connecting rod and located in the third inner cavity.

[0015] A feeding mechanism is also provided between the accessory chain on one side and the frame and cutting table. The feeding mechanism includes a drive gear, a stabilizing gear, a switch, and a pusher. The drive gear and the stabilizing gear are both rotatably mounted on the suspension and mesh with each other. The accessory chain meshes through the drive gear and the stabilizing gear.

[0016] The switch includes an electrically controlled telescopic rod, a rotating shaft, and a switching gear. The electrically controlled telescopic rod is embedded in the suspension and is concentrically arranged with the transmission gear. One end of the rotating shaft is rotatably connected to the output shaft of the electrically controlled telescopic rod and is slidably connected to the transmission gear through a guide rib. The switching gear is concentrically connected to the rotating shaft. The switching gear has an annular cavity in the middle. Several meshing teeth of the switching gear slide into the annular cavity. The annular cavity is provided with an elastic telescopic rod that corresponds to each of the meshing teeth.

[0017] The pusher includes a rack and a pusher. The rack is elastically slidably disposed on the upper end of the frame and its length is half that of the cutting table. The moving direction of the rack is opposite to the direction in which the conveying mechanism conveys the cardboard and the end of the rack in the forward direction corresponds to the middle of the cutting table. The pusher is disposed on the rear side of the rack and its lower end is flush with the upper end of the cutting table when the cutting table is fully lowered.

[0018] The present invention has at least the following advantages compared to the prior art:

[0019] By setting up a lifting mechanism, the lifting action of the cutting and pressing mechanism can be synchronized with the cutting of the cardboard, which helps to stabilize the cardboard and improve the cutting quality during cutting. After cutting, the excess material and cardboard are automatically separated to improve the convenience of operation. Furthermore, by setting up a feeding mechanism, the carton can be automatically and efficiently removed in sync with the conveying action when feeding the excess material, without the need for manual intervention, thereby improving efficiency, reducing labor consumption and improving production safety. Attached Figure Description

[0020] The present invention can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the structure of a cardboard box production equipment according to the present invention.

[0022] Figure 2 This is a schematic diagram of the structure of the present invention without the lifting mechanism.

[0023] Figure 3 This is a cross-sectional view of the structure of the present invention.

[0024] Figure 4 for Figure 3 Enlarged diagram of point A in the middle.

[0025] Figure 5 This is a cross-sectional view of the circuit breaker of the present invention.

[0026] Figure 6 for Figure 5 Enlarged diagram of point B in the middle.

[0027] Frame 1, Cutting table 11, Traction cable 12, Lifting cylinder 2, Cutting pressure plate 21, Elastic pressure rod 22, Suspension 23, Transmission gear 3, Accessory chain 31, First plug 4, First spring 41, First auxiliary cable 42, First inner cavity 43, Sealing pin 5, Second plug 51, Second auxiliary cable 52, Second spring 53, Third spring 54, Second inner cavity 55, Bypass channel 56, Stepped cavity 57, Corrugated sleeve 58, Connecting rod 6, Third plug 61, Fourth spring 62, Third inner cavity 63, Transmission air gear 7, On / off gear 72, Ring cavity 73, Elastic telescopic rod 74, Rack 8, Push bar 81. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] Example 1: As Figure 1-6 As shown, a carton production equipment includes a frame 1, a cutting and pressing mechanism, a conveying mechanism and a control panel. A cutting table 11 is provided at the upper end of the frame 1. The cutting and pressing mechanism is located on the upper side of the frame 1 and matches the cutting table 11. The conveying mechanism is located on the upper side of the frame 1. A lifting mechanism is provided inside the frame 1 and between it and the cutting table 11.

[0030] There are two lifting mechanisms, which are symmetrically arranged on the left and right sides of the frame 1. The lifting mechanism includes a traction cable 12, a lifter and a stabilizer. The lifter and stabilizer are both embedded in the frame 1 and the stabilizer is located on the upper side of the lifter. The cutting table 11 is slidably arranged on the upper end of the frame 1 and connected to the lifter and stabilizer. The traction cable 12 is connected to the lifter and stabilizer on the same side. The other end of the traction cable 12 is connected to the cutting and pressing mechanism.

[0031] The maximum extension height of the cutting table 11 is flush with the upper surface of the conveying mechanism.

[0032] During carton production, the cardboard is fed manually or directly conveyed by a conveyor mechanism, so that the cardboard can be moved between the cutting and pressing mechanism and the cutting table 11 to prepare for the cutting and folding creasing of the carton shape.

[0033] When the carton to be processed moves to the cutting table 11, the control panel starts the processing program. At this time, the cutting and pressing mechanism starts to move downward. At the same time, the traction cable 12 connected to the cutting mechanism will synchronously drive the lifter and stabilizer, so that the lifter and stabilizer drive the cutting table 11 to move upward until it is flush with the bottom surface of the carton. This ensures that the cardboard is subjected to uniform and accurate force when the cutting and pressing mechanism applies cutting force downward, avoiding damage and bending.

[0034] After the cutting action is completed, the cutting and pressing mechanism resets. At this time, the traction cable 12 releases its traction on the lifter and stabilizer, and the cut carton falls with the cutting table 11. The corresponding remaining cardboard scraps are left on the conveying mechanism and fall at the end as the conveying mechanism continues to transport them. The cut carton can be collected manually. This allows for automatic separation of scraps and carton after the carton is cut, which is more convenient for production needs. At the same time, the lifting action and the material separation action are synchronized with the cutting and pressing mechanism, which makes the linkage between equipment components higher.

[0035] The cutting and pressing mechanism includes a lifting cylinder 2, a cutting and pressing plate 21, and elastic pressure rods 22. A suspension 23 is provided at the upper end of the frame 1. The lifting cylinder 2 is located at the lower end of the suspension 23. The cutting and pressing plate 21 is fixedly connected to the output shaft of the lifting cylinder 2 and is matched with the cutting table 11. There are several elastic pressure rods 22, which are evenly distributed at the lower end of the cutting and pressing plate 21.

[0036] The lifting cylinder 2 is used to control the up and down movement of the cutting plate 21 to meet the cutting needs. The elastic pressure rod 22 extends downward in the initial state. When cutting, the elastic pressure rod 22 can pre-press the cardboard to ensure stable position and avoid slippage during cutting. When separating materials, the elastic pressure rod 22 has a certain delayed extension effect, which can separate the cardboard that has not been completely separated from the scrap material to avoid sticking.

[0037] The conveying mechanism consists of sprocket assemblies symmetrically arranged on the left and right sides of the frame 1 and located inside the suspension 23. The sprocket assembly includes two drive gears 3 and an accessory chain 31. The two drive gears 3 are distributed on the frame 1 and rotate back and forth. The accessory chain 31 is wound between the two drive gears 3. The drive gears 3 on the same side of the two sprocket assemblies are connected by a drive shaft. One of the drive gears 3 is connected to the output shaft of an external motor.

[0038] The motor outputs power to drive the corresponding transmission gear 3 to rotate, and the corresponding transmission gear 3 synchronously drives the two sprocket assemblies through the transmission shaft and the accessory chain 31 to ensure stable paperboard conveying. The accessory chain 31 has several L-shaped carriers spaced apart at its upper end, and the distance between two adjacent L-shaped carriers matches the length of the paperboard. This facilitates manual feeding or direct feeding using the L-shaped carriers. The method of directly feeding using the accessory chain 31 is a common feeding method for those skilled in the art, which aims to reduce manual intervention and improve automation. In this embodiment, it is not shown because it is not the main technical problem to be solved.

[0039] Example 2: As Figure 3-4As shown in the embodiment 1, the lifting device includes a first plug 4, a first spring 41 and a first auxiliary cable 42. The frame 1 has a first inner cavity 43. The first plug 4 is slidably sealed in the first inner cavity 43. One end of the first auxiliary cable 42 is concentrically connected to the first plug 4 and slides out of the first inner cavity 43 to connect with the traction cable 12. The first spring 41 is sleeved on the first auxiliary cable 42 and located in the first inner cavity 43.

[0040] The stabilizer includes a sealing pin 5, a second plug 51, a second auxiliary cable 52, a second spring 53, and a third spring 54. The frame 1 has a second inner cavity 55 located above the first inner cavity 43. The first inner cavity 43 and the second inner cavity 55 are interconnected through a bypass channel 56. The sealing pin 5 is slidably sealed in the second inner cavity 55. The sealing pin 5 has a stepped cavity 57. The second plug 51 is slidably disposed in the stepped cavity 57. The second auxiliary cable 52 is connected to the second plug 51 and slides out of the frame 1 to connect with the traction cable 12. The second spring 53 and the third spring 54 are both sleeved on the second auxiliary cable 52 and are respectively located in the stepped cavity 57 and the second inner cavity 55.

[0041] A corrugated sleeve 58 is provided between the first plug body 4 and the front inner wall of the first inner cavity 43, and between the sealing pin 5 and the front inner wall of the second inner cavity 55. The corrugated sleeve 58 of the first plug body 4 is sleeved with the first auxiliary cable 42, and the corrugated sleeve 58 of the sealing pin 5 is sleeved with the second auxiliary cable 52. The first inner cavity 43, the second inner cavity 55 and the bypass channel 56 are completely filled with hydraulic oil. The first inner cavity 43 is also connected to an oil reservoir embedded in the frame 1 through a two-way pressure valve. The rear sides of the first inner cavity 43 and the second inner cavity 55 are provided with pressure stabilizing holes that communicate with the outside.

[0042] The lower end of the cutting table 11 is equipped with a lifter, which includes a connecting rod 6, a third plug 61 and a fourth spring 62. The frame 1 has a third inner cavity 63 located on the upper side of the second inner cavity 55 and connected to the side passage 56. The third plug 61 is slidably sealed in the third inner cavity 63. The connecting rod 6 is concentrically connected to the third plug 61 and slides out of the third inner cavity 63. The fourth spring 62 is sleeved with the connecting rod 6 and located in the third inner cavity 63.

[0043] When cutting cardboard, the traction cable 12 synchronously pulls the lifter and stabilizer. At this time, both the first auxiliary cable 42 and the second auxiliary cable 52 are pulled. The first plug 4 in the lifter moves within the first inner cavity 43 and pumps hydraulic oil through the bypass channel 56 through the second inner cavity 55 until it enters the third inner cavity 63. This causes the third plug 61 in the third inner cavity 63 to rise upward and lift the cutting table 11 through the connecting rod 6. When the third plug 61 reaches its maximum height, hydraulic oil can no longer be input. At this time, the excess hydraulic oil is input into the reservoir through the two-way pressure valve to ensure the stable movement of the components. The bidirectional pressure valve refers to a valve body with a certain opening pressure that can realize bidirectional flow of liquid. In order to further ensure the stability of the stabilizer, a bidirectional pressure valve is also provided on the front side of the second inner cavity 55 and connected to the oil reservoir. In this way, the cutting table 11 can be moved up and down synchronously with the cutting pressure mechanism by the traction of the traction cable 12. Furthermore, in order to completely lock the cutting table 11 during the cutting process to improve stability, when the closing pin 5 crosses the bypass channel 56, it will cut off the liquid path from the first inner cavity 43 to the third inner cavity 63, thereby making the cutting table 11 completely locked and unable to descend, thus stabilizing the cutting pressure.

[0044] Example 3: As Figure 2 , Figure 5-6 As shown, in a further improvement based on Embodiment 1, a feeding mechanism is provided between the accessory chain 31 on one side and the frame 1 and the cutting table 11. The feeding mechanism includes a transmission gear 7, a stabilizing gear, a switch and a pusher. The transmission gear 7 and the stabilizing gear are both rotatably mounted on the suspension 23 and mesh with each other. The accessory chain 31 meshes through the transmission gear 7 and the stabilizing gear.

[0045] The switch includes an electrically controlled telescopic rod, a rotating shaft, and a switching gear 72. The electrically controlled telescopic rod is embedded in the suspension 23 and is concentrically arranged with the transmission air gear 7. One end of the rotating shaft is rotatably connected to the output shaft of the electrically controlled telescopic rod and is slidably connected to the transmission air gear 7 through a guide rib. The switching gear 72 is concentrically connected with the rotating shaft. The switching gear 72 has an annular cavity 73 in the middle. Several meshing teeth of the switching gear 72 slide into the annular cavity 73. The annular cavity 73 is provided with an elastic telescopic rod 74 that corresponds to each of the meshing teeth.

[0046] The pusher includes a rack 8 and a pusher 81. The rack 8 is elastically slidably disposed on the upper end of the frame 1 and its length is half of the cutting table 11. The moving direction of the rack 8 is opposite to the direction of the conveying mechanism conveying the cardboard and the end of the forward direction corresponds to the middle of the cutting table 11. The pusher 81 is disposed on the rear side of the rack 8 and its lower end is flush with the upper end of the cutting table 11 when the cutting table 11 is fully lowered.

[0047] To further reduce manual intervention and avoid accidents caused by manual work under the cutting mechanism, after the carton is cut and separated from the scrap, the control panel controls the conveying mechanism to convey the scrap forward. At the same time, the output shaft of the electric telescopic rod extends, causing the on / off gear 72 to extend outward and mesh with the rack 8. During the meshing process, since the meshing teeth of the on / off gear 72 are connected by the elastic telescopic rod 74 and the meshing teeth are inclined on the side facing the rack 8, even if the meshing teeth of the rack 8 and the on / off gear 72 are misaligned during the meshing process, there will be no part contact. Instead, the meshing teeth are guided by the inclined surface of the meshing teeth and retracted into the annular cavity 73.

[0048] When the on / off gear 72 initially meshes with the rack 8, the movement of the accessory chain 31 will drive the transmission gear 7 meshing with it, which in turn drives the on / off gear 72 through the rotating shaft. At this time, the on / off gear 72 will drive the rack 8 to move to the side opposite to the direction of the remaining material. The movement of the rack 8 will push the carton on the upper end of the cutting table 11 down through the push bar 81 and unload it through the external guide plate, thereby realizing the synchronous unloading of the remaining material and the carton. After the unloading is completed, the output shaft of the electric telescopic rod retracts, the on / off gear 72 disengages from the rack 8, and the rack 8 resets under the action of elasticity to prepare for the subsequent unloading. The elastic reset can be achieved by using a spring. The elastic principle of the corresponding elastic telescopic rod 74 is the same and can also be achieved by using a spring. Therefore, the structure will not be described in detail here.

[0049] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A carton production equipment, comprising a frame, a cutting and pressing mechanism, a conveying mechanism, and a control panel, wherein a cutting table is provided at the upper end of the frame, the cutting and pressing mechanism is located on the upper side of the frame and matches the cutting table, and the conveying mechanism is located on the upper side of the frame, characterized in that: A lifting mechanism is provided between the frame and the cutting table; The lifting mechanism consists of two components symmetrically arranged on the left and right sides of the frame. Each lifting mechanism includes a traction cable, a lifter, and a stabilizer. The lifter and stabilizer are both embedded in the frame, with the stabilizer positioned above the lifter. The cutting table is slidably mounted on the upper end of the frame and connected to the lifter and stabilizer. The traction cable is connected to the lifter and stabilizer on the same side, and the other end of the traction cable is connected to the cutting and pressing mechanism. The maximum extension height of the cutting table is flush with the upper end face of the conveying mechanism; The cutting and pressing mechanism includes a lifting cylinder, a cutting and pressing plate, and elastic pressure rods. The upper end of the frame is provided with a suspension, the lifting cylinder is located at the lower end of the suspension, the cutting and pressing plate is fixedly connected to the output shaft of the lifting cylinder and is matched with the cutting table, and the number of elastic pressure rods is several and they are evenly distributed at the lower end of the cutting and pressing plate. The lower end of the cutting table is provided with a lifting device, which includes a connecting rod, a third plug and a fourth spring. The frame has a third inner cavity located on the upper side of the second inner cavity and communicating with the side passage. The third plug is slidably sealed in the third inner cavity. The connecting rod is concentrically connected to the third plug and slides out of the third inner cavity. The fourth spring is sleeved with the connecting rod and located in the third inner cavity. The lifting device includes a first plug, a first spring, and a first auxiliary cable. The frame has a first inner cavity, in which the first plug is slidably sealed. One end of the first auxiliary cable is concentrically connected to the first plug and slidably extends out of the first inner cavity to connect with a traction cable. The first spring is sleeved on the first auxiliary cable and located in the first inner cavity. The stabilizer includes a sealing pin, a second plug, a second auxiliary cable, a second spring, and a third spring. The frame has a second inner cavity located above the first inner cavity. The first and second inner cavities are interconnected through a bypass channel. The sealing pin is slidably sealed in the second inner cavity and has a stepped cavity. The second plug is slidably positioned in the second inner cavity. Inside the stepped cavity, the second auxiliary cable is connected to the second plug and slides out of the frame to connect with the traction cable. The second spring and the third spring are both sleeved on the second auxiliary cable and are located in the stepped cavity and the second inner cavity, respectively. Corrugated sleeves are provided between the first plug and the front inner wall of the first inner cavity and between the sealing pin and the front inner wall of the second inner cavity. The corrugated sleeve of the first plug is sleeved with the first auxiliary cable, and the corrugated sleeve of the sealing pin is sleeved with the second auxiliary cable. The first inner cavity, the second inner cavity and the bypass channel are completely filled with hydraulic oil. The first inner cavity is also connected to an oil reservoir embedded in the frame through a two-way pressure valve. The rear sides of the first inner cavity and the second inner cavity are opened with pressure stabilizing holes that communicate with the outside.

2. The cardboard box production equipment according to claim 1, characterized in that: The conveying mechanism consists of sprocket assemblies symmetrically arranged on the left and right sides of the frame and located inside the suspension. Each sprocket assembly includes two drive gears and an accessory chain. The two drive gears are distributed on the frame and rotate back and forth. The accessory chain is wound between the two drive gears. The drive gears on the same side of the two sprocket assemblies are connected by a drive shaft. One of the drive gears is connected to the output shaft of an external motor.

3. The cardboard box production equipment according to claim 2, characterized in that: A feeding mechanism is also provided between the accessory chain on one side and the frame and the cutting table. The feeding mechanism includes a transmission gear, a stabilizing gear, a switch and a pusher. The transmission gear and the stabilizing gear are rotatably mounted on the suspension and mesh with each other. The accessory chain meshes through the transmission gear and the stabilizing gear.

4. The cardboard box production equipment according to claim 3, characterized in that: The switch includes an electrically controlled telescopic rod, a rotating shaft, and a switching gear. The electrically controlled telescopic rod is embedded in the suspension and is concentrically arranged with the transmission gear. One end of the rotating shaft is rotatably connected to the output shaft of the electrically controlled telescopic rod and is slidably connected to the transmission gear through a guide rib. The switching gear is concentrically connected to the rotating shaft. The switching gear has an annular cavity in the middle. Several meshing teeth of the switching gear slide into the annular cavity. The annular cavity is provided with an elastic telescopic rod that corresponds to each of the meshing teeth.

5. The cardboard box production equipment according to claim 4, characterized in that: The pusher includes a rack and a pusher. The rack is elastically slidably disposed on the upper end of the frame and its length is half that of the cutting table. The moving direction of the rack is opposite to the direction in which the conveying mechanism conveys the cardboard and the end of the rack in the forward direction corresponds to the middle of the cutting table. The pusher is disposed on the rear side of the rack and its lower end is flush with the upper end of the cutting table when the cutting table is fully lowered.

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