Outer package removing device for auxiliary material loading system of high-speed packaging machine

Abstract

The utility model discloses an outer package removing device for an auxiliary material loading system of a high-speed packaging machine. The outer package removing device comprises a main body bracket, a jacking adapter plate is arranged at the bottom of the main body support, a jacking assembly is arranged on the jacking adapter plate, two clamping and positioning assemblies are oppositely arranged at the two ends of the jacking assembly, and the two clamping and positioning assemblies are driven by the jacking assembly to move up and down and clamp carton label paper. The top of the main body support is provided with a paper cutting assembly used for cutting off outer packaging paper on the strip box label paper. Strip box label paper is placed between the two clamping and positioning assemblies above the jacking assembly, the two clamping and positioning assemblies are driven by the jacking assembly to move up and down and clamp the strip box label paper, then outer packaging paper on the strip box label paper is cut off through the paper cutting assembly at the top of the main body support, convenience and rapidness are achieved, and production efficiency is improved. And automatic operation of auxiliary material loading of the high-speed packaging machine is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of devices for removing outer packaging of auxiliary materials of packaging machines, in particular to a device for removing outer packaging of auxiliary materials used in an auxiliary material loading system of a high-speed packaging machine. Background Art

[0002] At present, the distribution process of strip label paper and small transparent paper used in cigarette rolling workshops in China is arranged according to the existing high-speed packaging unit. The loading position of strip label paper and small transparent paper is located at the rear of the main machine. When adding strip label paper materials, operators need to walk under the passage; the loading position is less than 1m away from the electric control cabinet, which poses a safety hazard; the loading area is about 1700mm from the ground, and bundles of strip label paper and small transparent paper need to be manually lifted to the loading plane, which is time-consuming and laborious. The production efficiency is low, and the scattered distribution of equipment and auxiliary materials causes congestion in the passage, which can no longer meet the requirements of increasing production. In addition, the handling, accounting and scheduling in the process are all done manually.

[0003] However, the strip box label paper has an outer wrapping paper, which needs to be removed before loading. It is time-consuming and laborious to remove the outer wrapping paper on the strip box label paper manually. The production efficiency is not high, and it is not conducive to the automatic operation of the auxiliary material loading of the high-speed packaging machine. Utility Model Content

[0004] In view of the above problems in the prior art, the utility model provides an outer packaging removal device for an auxiliary material loading system of a high-speed packaging machine, which solves the problem of time-consuming and labor-intensive manual removal of outer packaging paper on strip box trademark paper.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] Provided is a device for removing outer packaging for an auxiliary material loading system of a high-speed packaging machine, comprising a main body bracket; a lifting adapter plate is arranged at the bottom of the main body bracket, a lifting assembly is arranged on the lifting adapter plate, two groups of clamping and positioning assemblies are arranged at opposite ends of the lifting assembly, the two groups of clamping and positioning assemblies are driven by the lifting assembly to move up and down and clamp the strip box trademark paper, and a paper cutting assembly for cutting off the outer packaging paper on the strip box trademark paper is arranged on the top of the main body bracket.

[0007] The utility model places the strip box label paper between two groups of clamping and positioning components above the jacking component, drives the two groups of clamping and positioning components to move up and down and clamp the strip box label paper through the jacking component, and then cuts off the outer packaging paper on the strip box label paper through the paper cutting component on the top of the main support, thereby freeing up manpower, being convenient and fast, and facilitating the automatic operation of auxiliary material loading of the high-speed packaging machine.

[0008] Furthermore, the jacking assembly includes a jacking cylinder installed on the lower surface of the jacking adapter plate, and the output end of the jacking cylinder is provided with a slide rail mounting plate through a floating joint, and two rows of first slide rails are provided on the upper surface of the slide rail mounting plate, and a driving pulley and a passive synchronous pulley are provided at both ends of the two rows of first slide rails, respectively, and the driving pulley and the passive synchronous pulley are connected by a synchronous gear belt, and a clamping drive motor is provided on the lower surface of the slide rail mounting plate, and the clamping drive motor is connected to the driving pulley.

[0009] Furthermore, two groups of first sliding blocks are arranged on the two rows of first sliding rails, the two groups of first sliding blocks are respectively connected to the synchronous gear belts, and the connection points between the two groups of first sliding blocks and the synchronous gear belts are arranged diagonally.

[0010] Furthermore, both sets of clamping and positioning assemblies include a slider mounting plate arranged on the first slider, a push-pull support plate is arranged on the slider mounting plate through a vertical plate, a pressure plate cylinder is arranged on the push-pull support plate, and a paper extraction pressure plate is arranged on the piston rod of the pressure plate cylinder; a side shaping plate is arranged on the push-pull support plate located in front of the pressure plate cylinder.

[0011] Furthermore, the paper cutting assembly includes a paper cutting base plate installed on the top of the main body bracket, a second slide rail is arranged on the paper cutting base plate, a swing shaft seat is arranged on the second slide rail through a second slider, a paper cutter is arranged on the swing shaft seat through a knife holder, and a zeroing guide plate is arranged on the paper cutting base plate located below the knife holder.

[0012] Furthermore, a rodless cylinder is arranged on the paper cutting bottom plate located on one side of the second slide rail; a push plate is arranged on the mechanical slide block of the rodless cylinder, and the push plate is connected to the swing shaft seat.

[0013] Furthermore, return sensing sheets and in-position sensing sheets are respectively arranged on both sides of the tool holder, and in-position switches and return switches are respectively arranged on the paper cutting base plates at both ends of the second slide rail.

[0014] Furthermore, an upper positioning assembly acting on the top of the strip box trademark paper is arranged on the top of the main support, and the upper positioning assembly includes a three-axis cylinder, which is installed on the main support through a cylinder bracket, and a positioning pressure plate is arranged on the output shaft of the three-axis cylinder.

[0015] The utility model discloses an outer packaging removal device for an auxiliary material loading system of a high-speed packaging machine, and its beneficial effects are:

[0016] The utility model places the strip box label paper between two groups of clamping and positioning components above the jacking component, drives the two groups of clamping and positioning components to move up and down and clamp the strip box label paper through the jacking component, and then cuts off the outer packaging paper on the strip box label paper through the paper cutting component on the top of the main support, thereby freeing up manpower, being convenient and fast, and facilitating the automatic operation of auxiliary material loading of the high-speed packaging machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic structural diagram of an outer packaging removal device used in an auxiliary material loading system of a high-speed packaging machine.

[0018] Figure 2 It is a structural schematic diagram of the jacking assembly and the clamping and positioning assembly of the utility model.

[0019] Figure 3 It is a schematic diagram of the partial structure of the jacking assembly of the utility model.

[0020] Figure 4 It is a structural schematic diagram of the paper cutting assembly of the utility model.

[0021] Figure 5 It is a structural schematic diagram of the upper positioning component of the utility model.

[0022] Among them, 1. Main bracket; 2. Lifting adapter plate; 3. Lifting assembly; 31. Lifting cylinder; 32. Slide rail mounting plate; 33. First slide rail; 34. Active pulley; 35. Passive synchronous wheel; 36. Synchronous gear belt; 37. Clamping drive motor; 38. First slider; 4. Clamping positioning assembly; 41. Slide mounting plate; 42. Vertical plate; 43. Push-pull support plate; 44. Press plate cylinder; 45. Paper extraction press plate; 46. Side shaping plate ; 5. Paper cutting assembly; 51. Paper cutting base plate; 52. Second slide rail; 53. Second slide block; 54. Swing shaft seat; 55. Knife holder; 56. Paper cutter; 57. Zeroing guide plate; 58. Rodless cylinder; 59. Push plate; 6. Upper positioning assembly; 61. Three-axis cylinder; 62. Cylinder bracket; 63. Positioning pressure plate; 7. Strip box trademark paper; 81. Return sensor sheet; 82. In-position sensor sheet; 83. In-position switch; 84. Return switch. DETAILED DESCRIPTION

[0023] The specific implementation modes of the present invention are described to facilitate the understanding of the present invention by those skilled in the art. However, it should be clear that the present invention is not limited to the scope of the specific implementation modes. For those skilled in the art, as long as various changes are within the spirit and scope of the present invention as defined and determined by the attached claims, these changes are obvious, and all utility model creations utilizing the concept of the present invention are protected.

[0024] Example 1

[0025] refer to Figure 1 The present embodiment is a schematic structural diagram of an outer packaging removal device for an auxiliary material loading system of a high-speed packaging machine, the purpose of which is to solve the problem of time-consuming and labor-intensive manual removal of the outer packaging paper on the strip box trademark paper. The specific structure of the present embodiment will be described in detail below.

[0026] An outer packaging removal device for an auxiliary material loading system of a high-speed packaging machine comprises a main frame 1, a lifting adapter plate 2 is arranged at the bottom of the main frame 1, and a lifting assembly 3 is arranged on the lifting adapter plate 2.

[0027] Specifically, two groups of clamping and positioning components 4 are arranged at both ends of the jacking component 3. The two groups of clamping and positioning components 4 are driven by the jacking component 3 to move up and down and clamp the strip box trademark paper 7. A paper cutting component 5 for cutting off the outer packaging paper on the strip box trademark paper 7 is arranged on the top of the main frame 1.

[0028] In this embodiment, the strip box trademark paper is placed between the two groups of clamping and positioning components 4 above the lifting component 3. The lifting component 3 drives the two groups of clamping and positioning components 4 to move up and down and clamp the strip box trademark paper 7. Then, the paper cutting component 5 on the top of the main bracket 1 is used to cut off the outer packaging paper on the strip box trademark paper 7, which frees up manpower, is convenient and fast, and is conducive to the automatic operation of auxiliary material loading of the high-speed packaging machine.

[0029] Example 2

[0030] refer to Figure 2 and Figure 3 The present embodiment is a schematic structural diagram of an outer packaging removal device for an auxiliary material loading system of a high-speed packaging machine, the purpose of which is to solve the problem of time-consuming and labor-intensive manual removal of outer packaging paper on strip box trademark paper. Based on Example 1, the present embodiment provides a further solution for the lifting component 3 and the clamping and positioning component 4. The specific structures of the lifting component 3 and the clamping and positioning component 4 in the present embodiment will be described in detail below.

[0031] The lifting assembly 3 includes a lifting cylinder 31 installed on the lower surface of the lifting adapter plate 2. The output end of the lifting cylinder 31 is provided with a slide rail mounting plate 32 through a floating joint. The upper surface of the slide rail mounting plate 32 is provided with two rows of first slide rails 33.

[0032] Specifically, a driving pulley 34 and a passive synchronous pulley 35 are respectively provided at both ends of the two rows of first slide rails 33, and the driving pulley 34 and the passive synchronous pulley 35 are connected by a synchronous gear belt 36. A clamping drive motor 37 is provided on the lower surface of the slide rail mounting plate 32, and the clamping drive motor 37 is connected to the driving pulley 34. Two groups of first sliders 38 are provided on the two rows of first slide rails 33, and the two groups of first sliders 38 are respectively connected to the synchronous gear belt 36, and the connection points of the two groups of first sliders 38 and the synchronous gear belt 36 are diagonally arranged.

[0033] In this embodiment, the lifting assembly 3 includes a lifting cylinder 31. The lifting cylinder 31 adopts an existing ultra-thin cylinder, whose specific model is ACQ63×30SB. The lifting cylinder 31 is installed on the lower surface of the lifting adapter plate 2. The output end of the lifting cylinder 31 passes through the lifting adapter plate 2 and is connected to the slide rail mounting plate 32 through a floating joint. Linear ball bearings are arranged on the lifting adapter plate 2 on both sides of the lifting cylinder 31. The linear ball bearings cooperate with the two clamping guide columns at both ends of the corresponding positions of the slide rail mounting plate 32 to provide guiding and supporting functions for the slide rail mounting plate 32.

[0034] Two rows of first slide rails 33 are arranged on the upper surface of the slide rail mounting plate 32, and two groups of first sliders 38 are arranged on the two rows of first slide rails 33. At the same time, a driving pulley 34 and a passive synchronous pulley 35 are respectively arranged at both ends of the first slide rail 33. The driving pulley 34 and the passive synchronous pulley 35 are connected by a second synchronous gear belt 36. At the same time, a limit plate is arranged on the slide rail mounting plate 32 at the end of the first slide rail 33, and a PU pad column is arranged on the limit plate. The limit plate and the PU pad column provide a hard limit function for the slider mounting plate 41 in the clamping positioning assembly 4 to move outward.

[0035] A planetary reducer is arranged on the output end of the clamping drive motor 37, and the driving pulley 34 is installed on the output end of the planetary reducer. At the same time, the two groups of first sliders 38 each include four sliders, and the two sliders located on the outer side are connected to the synchronous gear belt 36 through a belt clamp, and the connection points of the two groups of first sliders 38 and the synchronous gear belt 36 are arranged diagonally, so that the synchronous gear belt 36 can be rotated, driving the first sliders 38 at both ends to approach or move away from each other, so as to achieve a clamping or releasing action. The clamping drive motor 37 adopts an existing servo motor, and its specific model is MS1H4-40B30CB-A331R.

[0036] Specifically, the two sets of clamping and positioning assemblies 4 include a slider mounting plate 41 arranged on the first slider 38, a push-pull support plate 43 is arranged on the slider mounting plate 41 through a vertical plate 42, a pressure plate cylinder 44 is arranged on the push-pull support plate 43, and a paper extraction pressure plate 45 is arranged on the piston rod of the pressure plate cylinder 44; a side shaping plate 46 is arranged on the push-pull support plate 43 located in front of the pressure plate cylinder 44.

[0037] In this embodiment, the two groups of clamping and positioning assemblies 4 include a slider mounting plate 41, and the two slider mounting plates 41 are respectively installed on the two groups of first sliders 38, so that the slider mounting plates 41 at both ends are driven to approach or move away from each other through the rotation of the synchronous gear belt 36, thereby achieving a clamping or releasing action.

[0038] The two vertical plates 42 are respectively installed on the outside of the two slider mounting plates 41 to support the upper end parts. The two push-pull support plates 43 are symmetrically installed inwardly on the upper end surfaces of the two vertical plates 42 to support the strip box trademark paper. The two side shaping plates 46 are vertically and symmetrically installed on the push-pull support plates 43, and are responsible for providing the function of shaping on both sides of the strip box trademark paper when performing the clamping action. The two pressure plate cylinders 44 are arranged on the outside of the two side shaping plates 46. The telescopic end of the pressure plate cylinder 44 is symmetrically equipped with two paper extraction pressure plates 45 inwardly, which are responsible for providing the clamping and positioning function for the strip box trademark paper when extracting the cut outer packaging paper. The pressure plate cylinder 44 adopts the existing three-axis cylinder, and its specific model is TCM20×20S.

[0039] Slot switches are provided on both sides of the slide rail mounting plate 32, and induction plates are provided on both ends of the slider mounting plate 41. The positions of the induction plates match the positions of the slot switches, so that the induction plates and the slot switches cooperate through induction to provide an electronic limit function for the outward movement of the slider mounting plate 41. The induction plates adopt the existing 201 stainless steel plates, and the slot switches adopt the existing slot switches, and their specific model is EE-SX672P-WR-2M.

[0040] The lifting component 3 provides the clamping and positioning component 4 with power and guiding force for up and down movement and left and right movement, so that the clamping and positioning component 4 can rise to connect the strip box trademark paper, fall to release the strip box trademark paper, and move left and right to clamp the strip box trademark paper.

[0041] Example 3

[0042] refer to Figure 4 and Figure 5 The present embodiment is a schematic structural diagram of an outer packaging removal device for an auxiliary material loading system of a high-speed packaging machine, the purpose of which is to solve the problem of time-consuming and labor-intensive manual removal of outer packaging paper on strip box trademark paper. Based on Example 1, the present embodiment provides a further solution for the paper cutting component 5. The specific structure of the paper cutting component 5 in the present embodiment will be described in detail below.

[0043] The paper cutting assembly 5 includes a paper cutting base plate 51 installed on the top of the main frame 1, a second slide rail 52 is arranged on the paper cutting base plate 51, a swing shaft seat 54 is arranged on the second slide rail 52 through a second slider 53, a paper cutter 56 is arranged on the swing shaft seat 54 through a knife holder 55, and a zeroing guide plate 57 is arranged on the paper cutting base plate 51 below the knife holder 55.

[0044] Specifically, a rodless cylinder 58 is disposed on the paper cutting base plate 51 located at one side of the second slide rail 52 , and a push plate 59 is disposed on the mechanical slide block of the rodless cylinder 58 . The push plate 59 is connected to the swing shaft seat 54 .

[0045] A return sensing sheet 81 and an in-position sensing sheet 82 are respectively provided on both sides of the knife holder 55 , and an in-position switch 83 and a return switch 84 are respectively provided on the paper cutting base plate 51 at both ends of the second slide rail 52 .

[0046] In this embodiment, the paper cutting assembly 5 includes a paper cutting base plate 51, which is installed on the top of the main bracket 1 to provide an installation position for other parts. The paper cutting assembly 5 is installed on the main bracket 1 at the middle part of the side corresponding to the thickness of the strip box trademark paper. The rodless cylinder 58 is installed on the flat side of the paper cutting base plate 51 to provide power for the paper cutting action. The rodless cylinder 58 adopts an existing rodless cylinder, and its specific model is RMS25×300.

[0047] One end of the push plate 59 is installed on the mechanical slider of the rodless cylinder 58, which is responsible for outputting the power provided by the cylinder; the other end of the push plate 59 is installed on the swing shaft seat 54; a second slider 53 is installed at the bottom of the swing shaft seat 54, and the second slider 53 is fitted with a second slide rail 52 installed on the other side of the plane of the paper cutting base plate 51, which is responsible for providing support and guidance for the paper cutting action.

[0048] The swing shaft passes through the hole of the swing shaft seat 54, and the knife holder 55 is hinged to the swing shaft seat 54, so that the knife holder 55 can swing at a certain angle on the swing shaft seat 54 with the swing shaft; the paper cutter 56 is installed on the knife holder 55, and with the swingable special shape knife holder, it can lift the kraft paper, separate it from the box label paper 62 and cut the kraft paper.

[0049] The zeroing guide plate 57 is installed on the side of the paper cutting base plate 51, and cooperates with the bolt bearing installed on the tool holder 55, so that the tool holder 55 can maintain a fixed angle when moving to the starting position, making it easy for the tool holder 55 to be inserted into the gap between the outer packaging paper and the transparent paper of the strip box.

[0050] The return sensing piece 81 and the in-position sensing piece 82 are installed on the swing shaft seat 54. During the movement of the sliding platform of the rodless cylinder 58, detection can be performed through the in-position switch 83 and the return switch 84 respectively installed on the short sides of the paper cutting base plate 51 to avoid the risk that the sliding platform of the rodless cylinder 58 fails to reach the specified position, resulting in the inability to complete the cutting action again or the kraft paper is not cut. The return sensing piece 81 and the in-position sensing piece 82 are both made of 201 stainless steel plate, and the in-position switch 83 and the return switch 84 are both existing slot-type switches, and their specific model is EE-SX672P-WR-2M.

[0051] Specifically, an upper positioning assembly 6 acting on the top of the strip box trademark paper is provided on the top of the main support 1. The upper positioning assembly 6 includes a three-axis cylinder 61, which is installed on the main support 1 through a cylinder bracket 62. A positioning pressure plate 63 is provided on the output shaft of the three-axis cylinder 61.

[0052] In this embodiment, the cylinder bracket 62 is installed above the main bracket 1 to provide an installation position for other parts. The cylinder bracket 62 is an inverted L-shape. The three-axis cylinder 61 is installed on the top inner side of the cylinder bracket 62. The positioning pressure plate 63 is installed at the telescopic end of the three-axis cylinder 61. The three-axis cylinder 61 adopts the existing three-axis cylinder, and its specific model is TCM50×50S.

[0053] The upper positioning component 6 cooperates with the jacking component 3 to lift the clamping positioning component 4, clamping the strip box trademark paper up and down, and the telescopic end of the three-axis cylinder 61 extends, driving the positioning pressure plate 63 to move downward, clamping the strip box trademark paper close to one side of the paper cutting component 5, so that the strip box trademark paper is further compressed, so that the outer packaging paper can be separated from the strip box trademark paper, which is convenient for the paper cutting component 5 to cut the outer packaging paper. At the same time, it plays a role in fixing the strip box trademark paper, providing auxiliary effect for stable cutting of the outer packaging paper.

[0054] Although the specific implementation of the utility model is described in detail in conjunction with the drawings, it should not be understood as limiting the scope of protection of this patent. Within the scope described in the claims, various modifications and variations that can be made by those skilled in the art without creative work still fall within the scope of protection of this patent.

Claims

1. A device for removing outer packaging used in an auxiliary material loading system of a high-speed packaging machine, characterized in that: It comprises a main frame (1); a lifting adapter plate (2) is arranged at the bottom of the main frame (1), and a lifting assembly (3) is arranged on the lifting adapter plate (2); Two sets of clamping and positioning components (4) are arranged opposite to each other at the two ends of the lifting component (3), and the lifting component (3) drives the two sets of clamping and positioning components (4) to move up and down and clamp the strip box label paper (7); The top of the main frame (1) is provided with a paper cutting assembly (5) for cutting off the outer packaging paper on the strip box trademark paper (7).

2. The outer packaging removal device for the auxiliary material loading system of a high-speed packaging machine according to claim 1, characterized in that: The lifting assembly (3) comprises a lifting cylinder (31) mounted on the lower surface of the lifting adapter plate (2); the output end of the lifting cylinder (31) is provided with a slide rail mounting plate (32) via a floating joint; the upper surface of the slide rail mounting plate (32) is provided with two rows of first slide rails (33); the two ends of the two rows of first slide rails (33) are respectively provided with a driving pulley (34) and a passive synchronous pulley (35); the driving pulley (34) and the passive synchronous pulley (35) are connected via a synchronous gear belt (36); the lower surface of the slide rail mounting plate (32) is provided with a clamping drive motor (37); the clamping drive motor (37) is connected to the driving pulley (34).

3. The outer packaging removal device for the auxiliary material loading system of a high-speed packaging machine according to claim 2 is characterized in that: Two groups of first sliding blocks (38) are arranged on the two rows of the first sliding rails (33), the two groups of first sliding blocks (38) are respectively connected to the synchronous gear belt (36), and the connection points between the two groups of first sliding blocks (38) and the synchronous gear belt (36) are arranged diagonally.

4. The outer packaging removal device for the auxiliary material loading system of a high-speed packaging machine according to claim 2 is characterized in that: The two groups of clamping and positioning assemblies (4) both include a slider mounting plate (41) arranged on the first slider (38), a push-pull support plate (43) is arranged on the slider mounting plate (41) through a vertical plate (42), a pressure plate cylinder (44) is arranged on the push-pull support plate (43), and a paper extraction pressure plate (45) is arranged on the piston rod of the pressure plate cylinder (44); a side shaping plate (46) is arranged on the push-pull support plate (43) located in front of the pressure plate cylinder (44).

5. The outer packaging removal device for the auxiliary material loading system of a high-speed packaging machine according to claim 1, characterized in that: The paper cutting assembly (5) comprises a paper cutting base plate (51) mounted on the top of the main frame (1); a second slide rail (52) is arranged on the paper cutting base plate (51); a swing shaft seat (54) is arranged on the second slide rail (52) via a second slider (53); a paper cutting knife (56) is arranged on the swing shaft seat (54) via a knife holder (55); and a zero return guide plate (57) is arranged on the paper cutting base plate (51) below the knife holder (55).

6. The outer packaging removal device for the auxiliary material loading system of a high-speed packaging machine according to claim 5, characterized in that: A rodless cylinder (58) is arranged on the paper cutting base plate (51) located on one side of the second slide rail (52); a push plate (59) is arranged on the mechanical slide block of the rodless cylinder (58), and the push plate (59) is connected to the swing shaft seat (54).

7. The outer packaging removal device for the auxiliary material loading system of a high-speed packaging machine according to claim 5, characterized in that: The two sides of the knife holder (55) are respectively provided with a return sensing sheet (81) and an in-position sensing sheet (82), and the paper cutting base plate (51) located at the two ends of the second slide rail (52) are respectively provided with an in-position switch (83) and a return switch (84).

8. The outer packaging removal device for the auxiliary material loading system of a high-speed packaging machine according to claim 1, characterized in that: An upper positioning assembly (6) is arranged at the top of the main support (1) and acts on the top of the auxiliary material. The upper positioning assembly (6) comprises a three-axis cylinder (61). The three-axis cylinder (61) is mounted on the main support (1) via a cylinder bracket (62). A positioning pressure plate (63) is arranged on the output shaft of the three-axis cylinder (61).

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