CN113751544A

CN113751544A - Machining is with bender that has antifriction performance

Info

Publication number: CN113751544A
Application number: CN202110945709.9A
Authority: CN
Inventors: 陈晨; 戴宝玉; 包胜涛
Original assignee: Shenzhen Shunertong Industrial Design Co ltd
Current assignee: Shenzhen Shunertong Industrial Design Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-12-07

Abstract

The invention discloses a bending machine with anti-friction performance for machining, which relates to the technical field of machining and comprises a base, a workbench and a measuring assembly, wherein the top of the base is connected with a base plate, two ends of the base plate are respectively provided with a support, the top of the support is connected with a cross beam, two sides of the top of a stamping plate are connected with telescopic rods, the top of each telescopic rod is connected with a support, the bending machine with anti-friction performance is used for pushing the outer support through an electric telescopic rod at one end of the measuring assembly inside a positioning plate, so that a rotating rod, a roller and a detection contact piece inside the outer support can be attached to the surface of a product main body to roll, the detection contact piece is fully contacted with the product main body, the flatness of the bent bottom of the product main body can be detected, meanwhile, the detection contact piece at the edge can also collect the data of the bending angle, so that the bending angle can be detected while the flatness is detected, need not artifical the detection after bending, promoted the qualification rate of production, reduced artifical detection intensity.

Description

Machining is with bender that has antifriction performance

Technical Field

The invention relates to the technical field of machining equipment, in particular to a bending machine with anti-friction performance for machining.

Background

Machining means the process that changes the overall dimension or the performance of work piece through a mechanical equipment, in numerous processes of machining, need use the bender to bending of product, and the bender is the machine that can bend the sheet metal, and the bender divide into manual bender, hydraulic pressure bender and numerical control bender, manual bender divide into mechanical manual bender and electronic manual bender again, hydraulic pressure bender can divide into the torsion bar again according to the synchronous mode and synchronous, the mechanical-hydraulic synchronization is synchronous and the electricity-hydraulic synchronization, hydraulic pressure bender can divide into last dynamic formula and down dynamic formula again according to the motion mode.

The existing bending machine generally extrudes a steel plate through a metal block, so that the steel plate is deformed along the stress of a groove formed in the working surface to cause the bending effect, the bending position of the steel plate needs to be manually adjusted in the bending mode, the machining precision is influenced, the working intensity of workers is increased, the risk of being injured by a machine is increased, manual visual detection is needed after the bending is finished, the qualified rate of finished products is influenced, and the bending machine with the antifriction performance for machining is provided for the conditions.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a bending machine with anti-friction performance for machining, and solves the problems that the existing bending machine generally extrudes a steel plate through a metal block, so that a groove formed along the working surface is stressed and deformed to cause a bending effect, the bending mode needs to manually adjust the bending position of the steel plate, the machining precision is influenced, the working intensity of workers is increased, the risk of machine injury exists, manual visual inspection is needed after the bending is finished, and the qualification rate of finished products is influenced.

In order to achieve the purpose, the invention is realized by the following technical scheme: a bending machine with anti-friction performance for machining comprises a base, a workbench and a measuring assembly, wherein a base plate is connected to the top of the base, supports are mounted at two ends of the base plate, a cross beam is connected to the top of each support, a hydraulic cylinder is mounted at the top of the cross beam, a piston rod is connected to the bottom of the hydraulic cylinder, a punching plate is connected to the bottom of the piston rod, telescopic rods are connected to two sides of the top of the punching plate, a support is connected to the top of each telescopic rod, a clamping groove is formed in the bottom of the punching plate, a bending block is connected to the inside of the clamping groove, the workbench is mounted inside the base plate, a bending groove is formed in the middle of the workbench, a shock-absorbing telescopic block is mounted inside the bending groove, a bending cushion block is connected to the top of the shock-absorbing telescopic block, an anti-abrasion layer is arranged on the surface of the bending cushion, a convex block is arranged on the surface of the anti-abrasion layer, and a reset spring is mounted inside the workbench, and reset spring one end is provided with the cardboard, cardboard internal connection has the pivot, and pivot external connection has the gyro wheel, the slot has been seted up at the gyro wheel middle part, and the inside silica gel layer that is provided with of slot, the locating plate is all installed to the workstation both sides, and is connected with hydraulic push rod on one side of the locating plate, measuring component installs inside the locating plate, and the measuring component inboard is connected with the product main part.

Optionally, the stamping plate forms a lifting structure through the piston rod, the hydraulic cylinder and the cross beam, the vertical center line of the stamping plate coincides with the vertical center line of the hydraulic cylinder, and the telescopic rods are symmetrically distributed about the vertical center line of the stamping plate.

Optionally, the bending block forms a clamping structure with the punching plate through the clamping groove, and the size of the inner opening of the bending block is larger than that of the outer opening of the punching plate.

Optionally, the bending cushion block forms an elastic structure with the workbench through the damping telescopic block, the bending groove, the damping telescopic block is evenly distributed at equal intervals about the bottom of the bending cushion block, and the bending cushion block and the bending groove are distributed in a parallel manner.

Optionally, the cardboard passes through to constitute extending structure between reset spring and the workstation, and the cardboard is upper and lower symmetric distribution about the axis of workstation, and the cardboard is the trapezoidal structure moreover.

Optionally, the silica gel layer forms a fixed structure through the groove and the roller, the silica gel layer is connected with the roller in a bonding mode, and the roller is of a strip structure.

Optionally, the product main body forms a fixed structure through the positioning plate and the workbench, the positioning plate and the product main body are attached to each other, and the positioning plate is hollow.

Optionally, the measuring component includes electric telescopic handle, outer support, dwang, cylinder and detects the contact, and outer support internally mounted has the dwang, and the dwang outside is provided with the cylinder, the cylinder surface connection has the detection contact.

Optionally, the detection contact piece forms a rotating structure through the roller and the rotating rod, and the detection contact piece and the roller are attached to each other.

The invention provides a bending machine with anti-friction performance for machining, which has the following beneficial effects:

1. this machining is with bender that has antifriction performance, the piece of bending passes through the mutually supporting setting between draw-in groove and the punching press board, make and bend and can dismantle between the piece and the punching press board, thereby make things convenient for the later stage to the change and the maintenance of the piece of bending, and the setting of the telescopic link through punching press board top both sides, make it promote the steadiness of the device during operation, through the inside groove of bending of workstation, shock attenuation telescopic block and the setting of mutually supporting between the cushion of bending, make at the during operation of bending, the piece extrusion of bending cushion and shock attenuation telescopic block synchronous motion, thereby be different from the workstation and the cushion of bending of rigid structural connection, promote its buffer capacity when the suppression, avoid the too big condition of damaging the product main part of pressure.

2. This machining is with bender that has antifriction performance, through the inside reset spring of workstation, the setting of mutually supporting between the cardboard, this cardboard is about the axis longitudinal symmetry of workstation distributes, when placing the product main part inside the workstation, when aiming at the groove of product main part both sides through the cardboard, can be tentatively spacing fixed with the product main part, can guarantee the condition that the skew can not take place for the product main part before the location, promoted the precision of the device processing.

3. This machining is with bender that has antifriction performance, when going into the groove of product main part both sides with the cardboard card, promote the locating plate through hydraulic pressure push rod, make the locating plate of both sides move to the inboard in step, thereby can laminate product main part surface, promote the central point that the product main part reaches the workstation and put, can also further fix the product main part centre gripping after the location is accomplished, the condition of skew takes place for the process of avoiding processing, thereby further promote the machining precision, when promoting regulation product main part position, the cooperation pivot, the setting on gyro wheel and silica gel layer, make the product main part can follow gyro wheel surface slip, thereby reduce the friction between product main part and the workstation, promote the device's practicality.

4. This machining is with bender that has antifriction performance, after the process of bending, the locating plate keeps the position of centre gripping, the electric telescopic handle of the one end through the inside measuring component of locating plate promotes the outer support, make the inside dwang of outer support, the cylinder can laminate product main part surface with detecting the contact and roll, make and detect contact and product main part fully contact, thereby can detect the planarization after the product main part bottom is bent, the data of the angle of bending can also be collected to the detection contact of edge simultaneously, make and detect the angle of bending when detecting the planarization, do not need artifical the detection after bending, the qualification rate of production has been promoted, the artifical detection intensity has been reduced.

5. This machining is with bender that has antifriction performance, this locating plate is inside to be the cavity form for measuring component can accomodate inside the locating plate, and the measuring component of inside can not stretch out when hydraulic push rod promotes the locating plate and laminates in product main part surface, avoids when the work of bending of location centre gripping, and the product main part causes the scratch to damage measuring component, thereby has promoted the protectiveness to measuring component.

Drawings

FIG. 1 is a schematic view of a product body;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the substrate according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic side view of a bent spacer according to the present invention;

FIG. 6 is a schematic top view of a substrate according to the present invention;

FIG. 7 is a schematic view of a measuring assembly according to the present invention.

In the figure: 1. a base; 2. a substrate; 3. a support; 4. a cross beam; 5. a hydraulic cylinder; 6. a piston rod; 7. stamping the plate; 8. a telescopic rod; 9. a support; 10. a card slot; 11. bending the block; 12. a work table; 13. bending the groove; 14. a shock-absorbing telescopic block; 15. bending the cushion block; 16. an anti-wear layer; 17. a bump; 18. a return spring; 19. clamping a plate; 20. a rotating shaft; 21. a roller; 22. a trench; 23. a silica gel layer; 24. positioning a plate; 25. a hydraulic push rod; 26. a measurement assembly; 2601. an electric telescopic rod; 2602. an outer support; 2603. rotating the rod; 2604. a drum; 2605. detecting a contact sheet; 27. and (5) a product body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.

Referring to fig. 1 to 7, the present invention provides a technical solution: a bending machine with anti-friction performance for machining comprises a base 1, a workbench 12 and a measuring assembly 26, wherein the top of the base 1 is connected with a base plate 2, two ends of the base plate 2 are respectively provided with a support 3, the top of the support 3 is connected with a cross beam 4, the top of the cross beam 4 is provided with a hydraulic cylinder 5, the bottom of the hydraulic cylinder 5 is connected with a piston rod 6, the bottom of the piston rod 6 is connected with a stamping plate 7, two sides of the top of the stamping plate 7 are connected with telescopic rods 8, the top of each telescopic rod 8 is connected with a support 9, the stamping plate 7 passes through the piston rod 6, a lifting structure is formed between the hydraulic cylinder 5 and the cross beam 4, the vertical central line of the stamping plate 7 is coincided with the vertical central line of the hydraulic cylinder 5, the telescopic rods 8 are bilaterally and symmetrically distributed about the vertical central line of the stamping plate 7, and the telescopic rods 8 on two sides of the top of the stamping plate 7 are arranged to ensure that when the hydraulic cylinder 5 pushes the piston rod 6 and the stamping plate 7, the telescopic rods 8 on the two sides improve the working stability of the device.

Draw-in groove 10 has been seted up to 7 bottoms of punching press board, and draw-in groove 10 internal connection has bending piece 11, bending piece 11 passes through to constitute the block structure between draw-in groove 10 and the punching press board 7, and bending piece 11's internal orifice size is greater than the external orifice size of punching press board 7, and bending piece 11 sets up through mutually supporting between draw-in groove 10 and the punching press board 7 for can dismantle between bending piece 11 and the punching press board 7, thereby make things convenient for the change and the maintenance of later stage to bending piece 11.

The workbench 12 is arranged inside the base plate 2, a bending groove 13 is arranged in the middle of the workbench 12, a damping telescopic block 14 is arranged inside the bending groove 13, the top of the shock absorption telescopic block 14 is connected with a bending cushion block 15, the bending cushion block 15 forms an elastic structure with the workbench 12 through the shock absorption telescopic block 14 and the bending groove 13, the shock absorption telescopic block 14 is uniformly distributed at equal intervals relative to the bottom of the bending cushion block 15, and the bending cushion block 15 and the bending groove 13 are distributed in parallel, through the mutual matching arrangement among the bending groove 13, the shock absorption telescopic block 14 and the bending cushion block 15 in the workbench 12, so that the bending block 11 presses the bending cushion block 15 and the shock absorption telescopic block 14 to move synchronously during the bending operation, thereby being different from the workbench 12 and the bending cushion block 15 which are connected by a rigid structure, the buffering capacity of the die is improved during pressing, and the condition that the product main body 27 is damaged due to overlarge pressure is avoided.

The surface of the bending cushion block 15 is provided with an anti-abrasion layer 16, the surface of the anti-abrasion layer 16 is provided with a lug 17, a reset spring 18 is arranged inside the workbench 12, one end of the reset spring 18 is provided with a clamping plate 19, the clamping plate 19 forms a telescopic structure between the reset spring 18 and the workbench 12, the clamping plate 19 is vertically and symmetrically distributed about the central axis of the workbench 12, the clamping plate 19 is in a trapezoidal structure, the reset spring 18 inside the workbench 12 is matched with the clamping plate 19, the clamping plate 19 is vertically and symmetrically distributed about the central axis of the workbench 12, when the product main body 27 is placed inside the workbench 12, the product main body 27 is aligned to grooves on two sides of the product main body 27 through the clamping plate 19, the product main body 27 can be preliminarily limited and fixed, the condition that the product main body 27 cannot deviate before positioning can be ensured, the processing precision of the device is improved, and the friction between the product main body 27 and the workbench 12 is improved through the arrangement of the anti-abrasion layer 16 and the lug 17 on the surface of the workbench 12 The friction coefficient, thereby improving the fitting degree between the product main body 27 and the workbench 12, and simultaneously reducing the friction between the product main body 27 and the workbench 12.

The surface of the workbench 12 is connected with a rotating shaft 20, the rotating shaft 20 is externally connected with a roller 21, a groove 22 is formed in the middle of the roller 21, a silica gel layer 23 is arranged in the groove 22, the silica gel layer 23 forms a fixed structure with the roller 21 through the groove 22, the silica gel layer 23 is bonded with the roller 21, the roller 21 is in a strip structure, when the clamping plate 19 is clamped into grooves on two sides of the product main body 27, the positioning plate 24 is pushed by a hydraulic push rod 25, the positioning plates 24 on two sides move inwards synchronously, the surface of the product main body 27 can be attached, the product main body 27 is pushed to reach the central position of the workbench 12, the product main body 27 can be further clamped and fixed after the positioning is completed, the situation that the machining process deviates is avoided, the machining precision is further improved, and when the position of the product main body 27 is pushed and adjusted, the rotating shaft 20 is matched, The setting of gyro wheel 21 and silica gel layer 23 for product main part 27 can be followed gyro wheel 21 surface and slided, thereby reduces the friction between product main part 27 and the workstation 12, promotes the device's practicality, and this banding silica gel layer 23 sets up through mutually supporting between slot 22 and the gyro wheel 21, makes things convenient for the change process in later stage.

Locating plate 24 is all installed to workstation 12 both sides, and locating plate 24 one side is connected with hydraulic push rod 25, measuring component 26 is installed inside locating plate 24, and measuring component 26 inboard is connected with product main body 27, product main body 27 passes through and constitutes fixed knot between locating plate 24 and the workstation 12 and constructs, and laminate each other between locating plate 24 and the product main body 27, and locating plate 24 is the cavity form, this locating plate 24 is inside to be the cavity form, make measuring component 26 can accomodate inside locating plate 24, inside measuring component 26 can not stretch out when hydraulic push rod 25 promotes locating plate 24 and laminates in product main body 27 surface, avoid at the location centre gripping during operation of bending, product main body 27 causes the scratch to damage measuring component 26, thereby the protectiveness to measuring component 26 has been promoted.

The measuring assembly 26 comprises an electric telescopic rod 2601, an outer bracket 2602, a rotating rod 2603, a roller 2604 and a detecting contact piece 2605, the rotating rod 2603 is arranged inside the outer bracket 2602, the roller 2604 is arranged outside the rotating rod 2603, the surface of the roller 2604 is connected with the detecting contact piece 2605, the detecting contact piece 2605 forms a rotating structure with the rotating rod 2603 through the roller 2604, the detecting contact piece 2605 is attached to the roller 2604, after the bending process is finished, the positioning plate 24 keeps the clamping position, the electric telescopic rod 2601 at one end of the measuring assembly 26 inside the positioning plate 24 pushes the outer bracket 2602, the rotating rod 2603, the roller 2604 and the detecting contact piece 2605 inside the outer bracket 2602 can be attached to the surface of the product main body 27 to roll, so that the detecting contact piece 2605 is fully contacted with the product main body 27, the smoothness after the bottom of the product main body 27 is bent can be detected, and the detecting contact piece 2605 at the edge can also collect the data of the bending angle, the angle of bending is detected while the flatness is detected, manual detection is not needed after bending, the yield of production is improved, and the manual detection strength is reduced.

In conclusion, when the bending machine with the anti-friction performance for machining is used, firstly, one side of the product main body 27 is clamped into the clamping plate 19 on one side of the workbench 12, then the product main body 27 is buckled down to ensure that the clamping plates 19 on the two sides can primarily limit the product main body 27, so that the product main body 27 cannot deviate before positioning, the machining precision of the bending machine is improved, the friction coefficient between the product main body 27 and the workbench 12 is improved through the arrangement of the anti-wear layer 16 and the convex blocks 17 on the surface of the workbench 12, the fitting degree between the product main body 27 and the workbench 12 is improved, meanwhile, the friction between the product main body 27 and the workbench 12 can be reduced, then the hydraulic push rods 25 on the two sides of the workbench 12 are opened to push the positioning plates 24, the positioning plates 24 on the two sides synchronously move, and therefore the surfaces of the product main body 27 can be fitted to the inner side, the product main body 27 is pushed to reach the central position of the workbench 12, the product main body 27 can be further clamped and fixed after the positioning is finished, the deviation in the processing process is avoided, the processing precision is further improved, when the position of the product main body 27 is pushed and adjusted, the product main body 27 can slide along the surface of the roller 21 by matching the rotating shaft 20, the roller 21 and the silica gel layer 23, the friction between the product main body 27 and the workbench 12 is reduced, the practicability of the device is improved, the strip-shaped silica gel layer 23 is arranged by matching the groove 22 and the roller 21, the replacement process in the later period is facilitated, then the hydraulic cylinder 5 is opened, the piston rod 6 and the stamping plate 7 are pushed to enable the bending block 11 to be close to the product main body 27 and continuously press down, the bending block 11 enters the groove inside the cushion block 15, and the product main body 27 is bent and formed, in the process of pressing down, through the mutual matching arrangement of the bending groove 13 in the workbench 12, the shock absorption telescopic block 14 and the bending cushion block 15, when the bending operation is performed, the bending block 11 extrudes the bending cushion block 15 and the shock absorption telescopic block 14 to move synchronously, so that the workbench 12 and the bending cushion block 15 which are connected by a rigid structure are different from each other, the buffer capacity of the bending cushion block is improved during pressing, the condition that the product main body 27 is damaged due to overlarge pressure is avoided, finally, after the bending operation is finished, the positioning plate 24 keeps the clamping position, the outer bracket 2602 is pushed by the electric telescopic rod 2601 at one end of the measuring component 26 in the positioning plate 24, the rotating rod 2603, the roller 2604 and the detection contact sheets 2605 in the outer bracket 2602 can be jointed with the surface of the product main body 27 to roll, so that the detection contact sheets 2605 are fully contacted with the product main body 27, the bending angle smoothness of the bottom of the product main body 27 can be detected, and the detection contact sheets 2605 at the edge can collect data of the bending angle, make and detect the angle of bending when detecting the planarization, do not need artifical the detection after bending, the qualification rate of production has been promoted, the artifical intensity that detects has been reduced, this locating plate 24 is inside to be the cavity form, make measuring component 26 can accomodate inside locating plate 24, inside measuring component 26 can not stretch out when hydraulic push rod 25 promotes locating plate 24 and laminates in product main part 27 surface, avoid at the location centre gripping during operation of bending, product main part 27 causes the scratch to damage measuring component 26, thereby the protectiveness to measuring component 26 has been promoted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a machining is with bender that has antifriction performance, includes base (1), workstation (12) and measuring component (26), its characterized in that: the shock absorption and expansion table is characterized in that the top of the base (1) is connected with a base plate (2), supports (3) are mounted at two ends of the base plate (2), a cross beam (4) is connected to the top of each support (3), a hydraulic cylinder (5) is mounted at the top of each cross beam (4), a piston rod (6) is connected to the bottom of each hydraulic cylinder (5), a stamping plate (7) is connected to the bottom of each piston rod (6), telescopic rods (8) are connected to two sides of the top of each stamping plate (7), a support (9) is connected to the top of each telescopic rod (8), a clamping groove (10) is formed in the bottom of each stamping plate (7), a bending block (11) is connected to the inside of each clamping groove (10), a workbench (12) is mounted inside the base plate (2), a bending groove (13) is formed in the middle of the workbench (12), a shock absorption and expansion block (14) is mounted inside the bending groove (13), and a cushion block (15) for bending is connected to the top of the shock absorption expansion block (14), cushion (15) surface of bending is provided with abrasionproof layer (16), and abrasionproof layer (16) surface is provided with lug (17), workstation (12) internally mounted has reset spring (18), and reset spring (18) one end is provided with cardboard (19), workstation (12) surface connection has pivot (20), and pivot (20) external connection has gyro wheel (21), slot (22) have been seted up at gyro wheel (21) middle part, and inside silica gel layer (23) that is provided with of slot (22), locating plate (24) are all installed to workstation (12) both sides, and locating plate (24) one side is connected with hydraulic push rod (25), install inside locating plate (24) measuring component (26), and measuring component (26) inboard is connected with product main part (27).

2. The bending machine with anti-friction performance for machining according to claim 1, is characterized in that: the lifting structure is formed between the stamping plate (7) through the piston rod (6), the hydraulic cylinder (5) and the cross beam (4), the vertical center line of the stamping plate (7) coincides with the vertical center line of the hydraulic cylinder (5), and the telescopic rods (8) are distributed in a bilateral symmetry mode about the vertical center line of the stamping plate (7).

3. The bending machine with anti-friction performance for machining according to claim 1, is characterized in that: the bending block (11) forms a clamping structure with the stamping plate (7) through the clamping groove (10), and the size of the inner opening of the bending block (11) is larger than that of the outer opening of the stamping plate (7).

4. The bending machine with anti-friction performance for machining according to claim 1, is characterized in that: the bending cushion block (15) is of an elastic structure formed between the damping telescopic block (14), the bending groove (13) and the workbench (12), the damping telescopic block (14) is evenly distributed at equal intervals on the bottom of the bending cushion block (15), and the bending cushion block (15) and the bending groove (13) are distributed in a parallel mode.

5. The bending machine with anti-friction performance for machining according to claim 1, is characterized in that: cardboard (19) pass through between reset spring (18) and workstation (12) constitute extending structure, and cardboard (19) are upper and lower symmetric distribution about the axis of workstation (12), and cardboard (19) are the trapezoidal structure moreover.

6. The bending machine with anti-friction performance for machining according to claim 1, is characterized in that: the silica gel layer (23) forms a fixing structure with the roller (21) through the groove (22), the silica gel layer (23) is connected with the roller (21) in an adhesion mode, and the roller (21) is in a strip structure.

7. The bending machine with anti-friction performance for machining according to claim 1, is characterized in that: the product main body (27) forms a fixing structure with the workbench (12) through the positioning plate (24), the positioning plate (24) and the product main body (27) are mutually attached, and the positioning plate (24) is hollow.

8. The bending machine with anti-friction performance for machining according to claim 1, is characterized in that: the measuring assembly (26) comprises an electric telescopic rod (2601), an outer support (2602), a rotating rod (2603), a roller (2604) and a detection contact piece (2605), the rotating rod (2603) is installed inside the outer support (2602), the roller (2604) is arranged outside the rotating rod (2603), and the surface of the roller (2604) is connected with the detection contact piece (2605).

9. The bending machine with anti-friction performance for machining according to claim 8, is characterized in that: the detection contact piece (2605) forms a rotating structure with the rotating rod (2603) through the roller (2604), and the detection contact piece (2605) is attached to the roller (2604).