CN110977542A

CN110977542A - Processing jig for notebook computer parts

Info

Publication number: CN110977542A
Application number: CN201911403053.7A
Authority: CN
Inventors: 詹淳崵; 赵长亮; 蒋燕; 周士升
Original assignee: Suzhou Fengchuan Electronic Technology Co ltd
Current assignee: Suzhou Fengchuan Electronic Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-10

Abstract

The invention discloses a processing jig for notebook computer parts, which comprises a base plate, a support plate and a cover plate, wherein the support plate is fixedly arranged on the upper surface of the base plate, the upper surface of the support plate is in contact connection with the lower surface of a workpiece to be processed, the cover plate is arranged above the workpiece, the lower surface of the cover plate is in press connection with the workpiece, a plurality of pressure head mechanisms are arranged at the peripheral edges of the base plate and are in press connection with the top surface of the cover plate, the workpiece comprises a body, two opposite edges of the body are provided with an upward first bending part, the lower surface of the body is in contact with the upper surface of the support plate, the processing jig is also provided with a partition plate, the lower surface of the partition plate is in contact connection with the upper surface of the body, and the upper surface of the partition plate. The invention not only avoids the abrasion of the cover plate to the workpiece, but also can ensure that the force exerted on the cover plate by the pressure head mechanism is evenly exerted on the workpiece, thereby ensuring the stability of the clamping force on the workpiece and simultaneously avoiding the damage of the workpiece caused by overlarge local force.

Description

Processing jig for notebook computer parts

Technical Field

The invention relates to a processing jig for notebook computer parts, and belongs to the field of mechanical machining.

Background

A Computer Numerical Control (CNC) machine is an automatic machine equipped with a program control system, which can logically process a program specified by a control code or other symbolic instructions and decode the program so as to make the machine operate and machine parts, so that compared with the traditional manufacturing industry, the CNC machine has higher machining precision and automation degree, saves a large number of manual operation links, improves the productivity, and is widely applied to the modernization process of the manufacturing industry.

The rapid development of communication technology accelerates the updating and upgrading speed of electronic products and also promotes the continuous innovation of the production chain of electronic products. For the shell of an electronic product, particularly a metal shell, due to the fact that the shell is thin and irregular in shape, an operator is difficult to fix a workpiece in the production process, the workpiece is easy to deform and damage under the action of external force of a machine tool, machining errors are large, the defective rate of the product is high, production efficiency is low, and the huge market demand on the electronic product is difficult to meet.

Disclosure of Invention

The invention aims to provide a processing jig for a notebook part, which not only avoids the abrasion of a cover plate on a workpiece, but also can enable the force exerted on the cover plate by a pressure head mechanism to be evenly exerted on the workpiece, and avoids the damage to the workpiece caused by overlarge local force while ensuring the stability of the clamping force on the workpiece.

In order to achieve the purpose, the invention adopts the technical scheme that: a processing jig for notebook computer parts comprises a base plate, a support plate and a cover plate, wherein the support plate is fixedly arranged on the upper surface of the base plate, the upper surface of the support plate is in contact connection with the lower surface of a workpiece to be processed, the cover plate is arranged above the workpiece, the lower surface of the cover plate is in press fit connection with the workpiece, a plurality of pressure head mechanisms are arranged at the peripheral edges of the base plate, and the pressure head mechanisms are in press fit connection with the top surface of the cover plate;

the pressure head mechanism further comprises a fixed plate, a fixed seat, a push-pull rod, a warping pressure plate, a pressure head and two connecting rotating plates symmetrically arranged on two sides of the fixed seat, one end of the fixed plate is arranged on the base plate, the other end, far away from the base plate, of the fixed plate is provided with a through hole for the push-pull rod to pass through, the upper end of the push-pull rod is rotatably connected with the connecting rotating plates, and the lower end of the push-pull rod passes through the fixed plate and is connected with a driving assembly;

the base part at the lower end of the fixed seat is fixedly arranged on the upper surface of the fixed plate, the base part is connected with a connecting part inclined towards one side of the push-pull rod, the lower end of the connecting part is provided with a first rotating shaft penetrating through the connecting part, the upper end of the connecting part is provided with a second rotating shaft penetrating through the connecting part, two ends of the first rotating shaft respectively extend out of two sides of the connecting part and are respectively connected with the connecting rotating plate, and the second rotating shaft is rotatably connected with the tail end of the warping pressing plate;

the connecting rotating plate comprises a first strip-shaped part and a second strip-shaped part, one end of each of the first strip-shaped part and the second strip-shaped part is connected, so that an acute angle is formed between the first strip-shaped part and the second strip-shaped part, a corner part is formed at the joint of the first strip-shaped part and the second strip-shaped part, and the corner parts of the two connecting rotating plates are respectively in rotating connection with two ends of the first rotating shaft;

one end, opposite to the corner portion, of each of the two first strip-shaped portions is rotatably connected with the upper end of the push-pull rod through a third rotating shaft, a fourth rotating shaft is connected between one ends, opposite to the corner portion, of the two second strip-shaped portions, the fourth rotating shaft is rotatably connected with the rear end of the pressing head, the rear end of the pressing head is provided with a downwards extending switching portion, the switching portion is rotatably connected with the middle rear portion of the warping pressing plate through a fifth rotating shaft, and the lower surface of the front end of the pressing head can be in compression contact with the upper surface of the warping pressing plate;

the upper end of the push-pull rod is connected with a fixed block, the fixed block is provided with a strip-shaped through hole, the third rotating shaft is embedded into the strip-shaped through hole, two ends of the third rotating shaft respectively extend out of the strip-shaped through hole, and the first strip-shaped parts of the two connecting rotating plates are respectively in rotating connection with two ends of the third rotating shaft;

the workpiece comprises a body, wherein two opposite edges of the body are provided with an upward first bending part, the lower surface of the body is in surface contact with the upper surface of the support plate, the workpiece is also provided with a partition plate, the lower surface of the partition plate is in surface contact with the upper surface of the body, and the upper surface of the partition plate is higher than the top surface of the first bending part and is in contact connection with the lower surface of the cover plate.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the partition board is a polyurethane partition board, a glass fiber partition board or an epoxy resin partition board.

2. In the above solution, two side surfaces of the partition board are respectively in contact connection with inner side surfaces of the two first bending portions.

3. In the scheme, the two side surfaces of the partition plate are respectively provided with a plurality of avoiding grooves, and the avoiding grooves are arranged corresponding to the processing positions of the workpieces.

4. In the above scheme, the carrier plate is an epoxy resin plate or a glass fiber plate.

5. In the above scheme, the number of the pressure head mechanisms is 8, and two pressure head mechanisms are respectively arranged at four edges of the base plate in a group.

6. In the above scheme, the cover plate is an iron cover plate or a plastic cover plate.

7. In the scheme, a bottom plate is arranged right below the base plate, and the bottom plate is connected with the cover plate through a plurality of supporting columns.

8. In the above scheme, the bottom plate and the cover plate are connected through 4 support columns, and the 4 support columns are respectively located at four corners of the bottom plate.

9. In the above scheme, the driving assembly is an air cylinder.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. the processing jig for the notebook computer parts has the advantages that the pressure head mechanism is ingenious in structural design, double pressure is provided by the warping pressure plate and the pressure head through the linkage effect of the multiple parts, the force and the stability of the warping pressure plate for pressing the cover plate are enhanced, the conditions of shaking, tool vibration, tool lines and the like caused by insufficient clamping force during processing of workpieces are avoided, and the stability and the quality of the processing of the workpieces are improved; the clamping force of the warping pressing plate can be increased under the condition that the driving force provided by the driving assembly is the same, and further, when the length of the warping pressing plate is long, second stress is provided in the middle of the warping pressing plate through the pressing head, so that the warping pressing plate can clamp a cover plate at a far distance with stable and constant pressure, more space is provided for processing a workpiece, multiple processes can be performed on the workpiece at one time, and the processing effect and efficiency of the workpiece are improved; in addition, through the cooperation setting of push rod pole and each structure for the biggest angle that the perk clamp plate can be opened is greater than 90, is convenient for to the clamping of work piece, and can not injure by the article of centre gripping, has further improved stability and the quality to work piece processing.

2. The processing jig for the notebook computer parts is also provided with a partition plate, the lower surface of the partition plate is in contact connection with the upper surface of the body, the upper surface of the partition plate is higher than the top surface of the first bending part and is in contact connection with the lower surface of the cover plate, the cover plate with higher hardness is prevented from being in direct contact with a workpiece through the arrangement of the partition plate, the abrasion of the cover plate on the workpiece is avoided, the force exerted on the cover plate by the pressure head mechanism can be evenly exerted on the workpiece, and the workpiece is prevented from being damaged due to overlarge local force while the clamping force on the workpiece is ensured to be stable.

Drawings

FIG. 1 is a schematic structural diagram of a processing jig for notebook parts according to the present invention;

FIG. 2 is a structural front view of a pressing head mechanism of the processing jig for notebook parts, according to the present invention;

FIG. 3 is a first structural schematic diagram of a pressing head mechanism of the processing jig for the notebook parts, according to the invention;

FIG. 4 is a structural schematic diagram of a pressing head mechanism of the processing jig for the notebook parts, which is disclosed by the invention;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 4;

FIG. 6 is a schematic structural view of a connecting rotating plate of the processing jig for notebook parts according to the present invention;

FIG. 7 is a schematic view of a fixing seat structure of the processing jig for notebook parts according to the present invention;

fig. 8 is a schematic view of a workpiece to be machined.

In the above drawings: 1. a substrate; 2. a carrier plate; 3. a workpiece; 301. a body; 302. a first bending portion; 4. a partition plate; 5. a cover plate; 6. a pressure head mechanism; 601. a fixing plate; 602. a fixed seat; 6021. a base part; 6022. a connecting portion; 603. a push-pull rod; 604. warping and pressing the plate; 605. a pressure head; 6051. a switching part; 606. a through hole; 607. a drive assembly; 608. a first rotating shaft; 609. a second rotating shaft; 610. a third rotating shaft; 611. a fourth rotating shaft; 612. a fifth rotating shaft; 613. a fixed block; 6131. a strip-shaped through hole; 614. connecting the rotating plate; 6141. a first bar-shaped portion; 6142. a second bar-shaped portion; 6143. a corner portion; 8. a base plate; 9. and (4) a support column.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a processing jig for notebook computer parts comprises a base plate 1, a support plate 2 and a cover plate 5, wherein the support plate 2 is fixedly arranged on the upper surface of the base plate 1, the upper surface of the support plate 2 is in contact connection with the lower surface of a workpiece 3 to be processed, the cover plate 5 is arranged above the workpiece 3, the workpiece 3 on the lower surface of the cover plate 5 is in press fit connection, a plurality of pressure head mechanisms 6 are arranged at the peripheral edges of the base plate 1, and the pressure head mechanisms 6 are in press fit connection with the top surface of the cover plate 5;

the pressure head mechanism 6 further comprises a fixed plate 601, a fixed seat 602, a push-pull rod 603, a warping pressing plate 604, a pressure head 605 and two connecting rotating plates 614 symmetrically arranged on two sides of the fixed seat 602, wherein one end of the fixed plate 601 is mounted on the substrate 1, a through hole 606 for the push-pull rod 603 to pass through is formed in the other end, away from the substrate 1, of the fixed plate 601, the upper end of the push-pull rod 603 is rotatably connected with the connecting rotating plates 614, and the lower end of the push-pull rod 603 passes through the fixed plate 601 and is connected with a driving assembly 607;

a base part 6021 at the lower end of the fixed seat 602 is fixedly arranged on the upper surface of the fixed plate 601, a connecting part 6022 inclined towards the push-pull rod 603 is connected to the base part 6021, a first rotating shaft 608 penetrating through the connecting part 6022 is arranged at the lower end of the connecting part 6022, a second rotating shaft 609 penetrating through the connecting part 6022 is arranged at the upper end of the connecting part 6022, two ends of the first rotating shaft 608 respectively extend out from two sides of the connecting part 6022 and are respectively connected with the connecting rotating plate 614, and the second rotating shaft 609 is rotatably connected with the tail end of the tilting plate 604;

the connecting rotating plate 614 comprises a first strip-shaped portion 6141 and a second strip-shaped portion 6142, wherein one end of each of the first strip-shaped portion 6141 and the second strip-shaped portion 6142 is connected, so that an acute angle is formed between the first strip-shaped portion 6141 and the second strip-shaped portion 6142, a corner portion 6143 is formed at the connecting position of the first strip-shaped portion 6141 and the second strip-shaped portion 6142, and the corner portions 6143 of the two connecting rotating plates 614 are respectively in rotating connection with two ends of the first rotating shaft 608;

one end, opposite to the corner portion 6143, of each of the two first bar-shaped portions 6141 is rotatably connected with the upper end of the push-pull rod 603 through a third rotating shaft 610, a fourth rotating shaft 611 is connected between one ends, opposite to the corner portion 6143, of the two second bar-shaped portions 6142, the fourth rotating shaft 611 is rotatably connected with the rear end of the pressure head 605, the rear end of the pressure head 605 is provided with a switching portion 6051 extending downwards, the switching portion 6051 is rotatably connected with the middle rear portion of the seesaw plate 604 through a fifth rotating shaft 612, and the lower surface of the front end of the pressure head 605 can be in pressing contact with the upper surface of the seesaw plate 604;

the upper end of the push-pull rod 603 is connected with a fixing block 613, the fixing block 613 is provided with a strip-shaped through hole 6131, the third rotating shaft 610 is embedded into the strip-shaped through hole 6131, two ends of the third rotating shaft 610 respectively extend out of the strip-shaped through hole 6131, and the first strip-shaped parts 6141 of the two connecting rotating plates 614 are respectively connected with two ends of the third rotating shaft 610 in a rotating manner;

the workpiece 3 comprises a body 301, two opposite edges of the body 301 are provided with an upward first bending part 302, the lower surface of the body 301 is in surface contact with the upper surface of the carrier plate 2, the workpiece also comprises a partition plate 4, the lower surface of the partition plate 4 is in surface contact connection with the upper surface of the body 301, and the upper surface of the partition plate 4 is higher than the top surface of the first bending part 302 and is in contact connection with the lower surface of the cover plate 5.

The carrier plate 2 is an epoxy resin plate; the separator 4 is an epoxy separator; the two side surfaces of the partition plate 4 are respectively in contact connection with the inner side surfaces of the two first bent portions 302; a plurality of avoiding grooves are respectively arranged on two side surfaces of the partition plate 4, and the avoiding grooves are arranged corresponding to the processing positions of the workpieces 3; the cover plate 5 is an iron cover plate;

the upper end of the connecting portion 6022 of the fixing seat 602 is provided with a groove for the rear end of the seesaw pressing plate 604 to be inserted into, and the rear end of the seesaw pressing plate 604 is inserted into the groove of the connecting portion 6022 and is rotatably connected with the fixing seat 602 through the second rotating shaft 609.

Example 2: a processing jig for notebook computer parts comprises a base plate 1, a support plate 2 and a cover plate 5, wherein the support plate 2 is fixedly arranged on the upper surface of the base plate 1, the upper surface of the support plate 2 is in contact connection with the lower surface of a workpiece 3 to be processed, the cover plate 5 is arranged above the workpiece 3, the workpiece 3 on the lower surface of the cover plate 5 is in press fit connection, a plurality of pressure head mechanisms 6 are arranged at the peripheral edges of the base plate 1, and the pressure head mechanisms 6 are in press fit connection with the top surface of the cover plate 5;

The partition plate 4 is a polyurethane partition plate; the carrier plate 2 is a glass fiber plate; the number of the pressure head mechanisms 6 is 8, and two pressure head mechanisms are respectively arranged at the four edges of the substrate 1; the cover plate 5 is a plastic cover plate; a bottom plate 8 is arranged right below the substrate 1, the bottom plate 8 is connected with the cover plate 5 through 4 support pillars 9, and the 4 support pillars 9 are respectively positioned at four corners of the bottom plate 8; the driving module 607 is a cylinder;

the adaptor 6051 at the rear end of the pressing head 605 is two symmetrically arranged adaptor plates, and the warping pressing plate 604 is embedded between the two adaptor plates and is rotatably connected with the two adaptor plates through the fifth rotating shaft 612.

When the processing jig for the notebook computer parts is adopted, the pressure head mechanism is ingenious in structural design, double pressure is provided by the warping pressure plate and the pressure head through the linkage effect of a plurality of components, the force and the stability of the warping pressure plate for pressing the cover plate are enhanced, the conditions of shaking, tool vibration, tool lines and the like caused by insufficient clamping force during processing of a workpiece are avoided, and the stability and the quality of processing of the workpiece are improved; the clamping force of the warping pressing plate can be increased under the condition that the driving force provided by the driving assembly is the same, and further, when the length of the warping pressing plate is long, second stress is provided in the middle of the warping pressing plate through the pressing head, so that the warping pressing plate can clamp a cover plate at a far distance with stable and constant pressure, more space is provided for processing a workpiece, multiple processes can be performed on the workpiece at one time, and the processing effect and efficiency of the workpiece are improved; in addition, the maximum angle at which the warping pressing plate can be opened is larger than 90 degrees due to the matching arrangement of the push rod and each structure, so that the clamping of the workpiece is facilitated, clamped articles cannot be damaged, and the stability and the quality of the workpiece processing are further improved;

in addition, through the arrangement of the partition plate, the cover plate with higher hardness is prevented from directly contacting with the workpiece, so that the abrasion of the cover plate to the workpiece is avoided, the force exerted on the cover plate by the pressure head mechanism can be uniformly exerted on the workpiece, and the workpiece is prevented from being damaged due to overlarge local force while the stability of the clamping force on the workpiece is ensured.

During the use, promote the push-and-pull rod through drive assembly and shift up, through the conveying of power for the perk clamp plate moves down and pushes down the apron, and drive assembly continues to drive the push-and-pull rod and shifts up after that, through the further conveying of power, makes the pressure head front end compress tightly the perk clamp plate downwards, provides the second stress for the perk clamp plate, has further strengthened the size and the stability of perk clamp plate to the apron pressure.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a processing tool for notebook part which characterized in that: the processing device comprises a base plate (1), a support plate (2) and a cover plate (5), wherein the support plate (2) is fixedly arranged on the upper surface of the base plate (1), the upper surface of the support plate (2) is in contact connection with the lower surface of a workpiece (3) to be processed, the cover plate (5) is arranged above the workpiece (3), the workpiece (3) on the lower surface of the cover plate (5) is in press fit connection, a plurality of pressure head mechanisms (6) are arranged on the peripheral edges of the base plate (1), and the pressure head mechanisms (6) are in press fit connection with the top surface of the cover plate (5);

the pressure head mechanism (6) further comprises a fixing plate (601), a fixing seat (602), a push-pull rod (603), a warping pressing plate (604), a pressure head (605) and two connecting rotating plates (614) symmetrically arranged on two sides of the fixing seat (602), one end of the fixing plate (601) is installed on the substrate (1), a through hole (606) for the push-pull rod (603) to pass through is formed in the other end, away from the substrate (1), of the fixing plate (601), the upper end of the push-pull rod (603) is rotatably connected with the connecting rotating plate (614), and the lower end of the push-pull rod (603) passes through the fixing plate (601) and is connected with a driving assembly (607);

a base part (6021) at the lower end of the fixed seat (602) is fixedly arranged on the upper surface of the fixed plate (601), a connecting part (6022) inclined towards one side of the push-pull rod (603) is connected on the base part (6021), a first rotating shaft (608) penetrating through the connecting part (6022) is arranged at the lower end of the connecting part (6022), a second rotating shaft (609) penetrating through the connecting part (6022) is arranged at the upper end of the connecting part (6022), two ends of the first rotating shaft (608) respectively extend out from two sides of the connecting part (6022) and are respectively connected with the connecting rotating plate (614), and the second rotating shaft (609) is rotatably connected with the tail end of the tilting plate (604);

the connecting rotating plate (614) comprises a first strip-shaped part (6141) and a second strip-shaped part (6142), one end of each of the first strip-shaped part (6141) and the second strip-shaped part (6142) is connected, so that an acute angle is formed between the first strip-shaped part (6141) and the second strip-shaped part (6142), a corner part (6143) is formed at the connection position of the first strip-shaped part (6141) and the second strip-shaped part (6142), and the corner parts (6143) of the two connecting rotating plates (614) are respectively in rotating connection with two ends of the first rotating shaft (608);

one end, opposite to the corner part (6143), of each of the two first strip-shaped parts (6141) is rotatably connected with the upper end of the push-pull rod (603) through a third rotating shaft (610), a fourth rotating shaft (611) is connected between one ends, opposite to the corner part (6143), of the two second strip-shaped parts (6142), the fourth rotating shaft (611) is rotatably connected with the rear end of the pressing head (605), the rear end of the pressing head (605) is provided with a switching part (6051) extending downwards, the switching part (6051) is rotatably connected with the middle rear part of the tilting plate (604) through a fifth rotating shaft (612), and the lower surface of the front end of the pressing head (605) can be in pressing contact with the upper surface of the tilting plate (604);

the upper end of the push-pull rod (603) is connected with a fixed block (613), a strip-shaped through hole (6131) is formed in the fixed block (613), the third rotating shaft (610) is embedded into the strip-shaped through hole (6131), two ends of the third rotating shaft (610) respectively extend out of the strip-shaped through hole (6131), and first strip-shaped parts (6141) of the two connecting rotating plates (614) are respectively in rotating connection with two ends of the third rotating shaft (610);

the workpiece (3) comprises a body (301), two opposite edges of the body (301) are provided with an upward first bending part (302), the lower surface of the body (301) is in surface contact with the upper surface of the carrier plate (2), the workpiece further comprises a partition plate (4), the lower surface of the partition plate (4) is in surface contact connection with the upper surface of the body (301), and the upper surface of the partition plate (4) is higher than the top surface of the first bending part (302) and is in contact connection with the lower surface of the cover plate (5).

2. The processing jig for notebook parts according to claim 1, characterized in that: the partition board (4) is a polyurethane partition board, a glass fiber partition board or an epoxy resin partition board.

3. The processing jig for notebook parts according to claim 1, characterized in that: two side surfaces of the partition plate (4) are respectively in contact connection with the inner side surfaces of the two first bending parts (302).

4. The processing jig for notebook parts according to claim 1, characterized in that: and a plurality of avoiding grooves are respectively formed on two side surfaces of the partition plate (4), and the avoiding grooves are arranged corresponding to the processing positions of the workpieces (3).

5. The processing jig for notebook parts according to claim 1, characterized in that: the carrier plate (2) is an epoxy resin plate or a glass fiber plate.

6. The processing jig for notebook parts according to claim 1, characterized in that: the number of the pressure head mechanisms (6) is 8, and two pressure head mechanisms are respectively arranged at the four edges of the base plate (1).

7. The processing jig for notebook parts according to claim 1, characterized in that: the cover plate (5) is an iron cover plate or a plastic cover plate.

8. The processing jig for notebook parts according to claim 1, characterized in that: a bottom plate (8) is arranged right below the base plate (1), and the bottom plate (8) is connected with the cover plate (5) through a plurality of supporting columns (9).

9. The processing jig for notebook parts according to claim 8, characterized in that: the bottom plate (8) is connected with the cover plate (5) through 4 support columns (9), and the 4 support columns (9) are respectively positioned at four corners of the bottom plate (8).

10. The processing jig for notebook parts according to claim 1, characterized in that: the driving component (607) is a cylinder.