Radio frequency probe and bending jig thereof

Abstract

The invention relates to the technical field of probe processing equipment, in particular to a radio frequency probe and a bending jig thereof.The radio frequency probe comprises a probe body, a probe tip and an RF connector, the probe body comprises a first bending part, a second bending part, a first connecting part and a second connecting part, and the first bending part is connected with the second bending part; the bending direction of the first bending part is opposite to the bending direction of the second bending part, the first connecting part is connected with the end, away from the second bending part, of the first bending part, the needle tip is connected with the end, away from the first bending part, of the first connecting part, and the second connecting part is connected with the end, away from the first bending part, of the second bending part. And the RF connector is connected with one end, far away from the second bending part, of the second connecting part. According to the invention, the stability of the position of the needle tip is improved, so that the accuracy of the abutting position of the needle tip and the to-be-tested chip is improved, and the test effect of the chip is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of probe processing equipment, and in particular to a radio frequency probe and a bending jig thereof. Background Art

[0002] RF probe is a contact medium used for electrical testing and is a high-end precision electronic component. RF probe is usually installed on RF probe card, one end is connected to the test instrument with RF cable assembly, and the other end is connected to the object under test, so as to test the signal transmission performance of the object under test.

[0003] The RF probe usually includes a probe body, a needle tip and an RF connector, and the needle tip and the RF connector are fixed at both ends of the probe body respectively. When using the RF probe to test the chip, it is necessary to install the RF probe card on the test machine, and then place the RF probe on the RF probe card according to the coordinate information of the chip to be tested, and make the needle tip of the RF probe contact and connect with the point to be tested on the chip to be tested, and then tighten the male head on the test machine and the RF connector of the RF probe to connect, so that the chip can be tested through the test machine.

[0004] However, when performing the above operation, in the process of tightening the male head on the test machine and the RF connector of the RF probe, the position of the probe body and the needle tip will be affected, so that the needle tip cannot be accurately aligned and abutted with the point to be tested on the chip to be tested, which will affect the test effect of the chip. Summary of the invention

[0005] In order to improve the stability of the needle tip position, thereby improving the accuracy of the contact position between the needle tip and the chip to be tested, and further ensuring the test effect of the chip, the present application provides a radio frequency probe and a bending fixture thereof.

[0006] The present application provides a radio frequency probe and a bending fixture thereof, which adopts the following technical solution: A radio frequency probe comprises a probe body, a needle tip and an RF connector, wherein the probe body comprises a first bending portion, a second bending portion, a first connecting portion and a second connecting portion, wherein the first bending portion and the second bending portion are connected, and the bending direction of the first bending portion is opposite to the bending direction of the second bending portion, the first connecting portion is connected to an end of the first bending portion away from the second bending portion, and the needle tip is connected to an end of the first connecting portion away from the first bending portion, the second connecting portion is connected to an end of the second bending portion away from the first bending portion, and the RF connector is connected to an end of the second connecting portion away from the second bending portion.

[0007] By adopting the above technical solution, the setting of the first bending portion and the second bending portion helps to increase the friction resistance between the probe body and the RF probe card, thereby helping to improve the stability of the relative position between the probe body and the RF probe card, and further helping to improve the stability of the needle tip position, thereby improving the accuracy of the contact position between the needle tip and the chip to be tested, and ensuring the test effect of the chip.

[0008] In a specific implementation manner, the bending angles of the first bending portion and the second bending portion are α, and the range of α is 100° to 140°.

[0009] In a specific implementation manner, a section of the second connecting portion close to the RF connector is bent with a bending angle of β, and the range of β is 130° to 150°.

[0010] By adopting the above technical solution, by setting a bend in the second connecting part close to the RF connector, it is helpful to facilitate the tightening operation of the RF connector and the male head on the test machine, thereby helping to avoid the movement of the probe body during the tightening process as much as possible, further improving the stability of the needle tip position, further improving the accuracy of the contact position between the needle tip and the chip to be tested, and further ensuring the test effect of the chip.

[0011] A bending jig for preparing the above-mentioned radio frequency probe comprises a base, on which a positioning mechanism and a bending assembly are arranged, wherein the positioning mechanism is used to position the radio frequency probe to be bent, and the bending assembly is used to bend the positioned radio frequency probe.

[0012] By adopting the above technical solution, the positioning mechanism is used to help position the RF probe to be bent, and the bending assembly is used to help bend the RF probe after positioning, thereby helping to process the probe body of the RF probe into a set bending shape.

[0013] In a specific possible implementation scheme, the bending assembly includes a fixed clamp block, a movable clamp block and a driving cylinder, the fixed clamp block and the driving cylinder are arranged on the base with an interval, and the output shaft of the driving cylinder extends toward the fixed clamp block, the movable clamp block is arranged on the output shaft of the driving cylinder, and bending extrusion surfaces are arranged on the opposite side walls of the fixed clamp block and the movable clamp block, and the two bending extrusion surfaces are used to extrude the radio frequency probe and bend the radio frequency probe.

[0014] By adopting the above technical solution, when the RF probe is positioned, the probe body is located between the fixed clamp block and the movable clamp block, and the driving cylinder is used to drive the movable clamp block to move toward the fixed clamp block, so that the probe body is squeezed under the joint action of the two bending and extrusion surfaces, which helps to bend the probe body into a set shape under the extrusion action.

[0015] In a specific possible implementation scheme, each of the bent extrusion surfaces is provided with a slot for the probe body to be inserted into, the shape of the slot matches the shape of the probe body, and the depth of the slot is smaller than the cross-sectional radius of the probe body.

[0016] By adopting the above technical solution, the setting of the card slot helps to improve the stability of the probe body during the compression and bending process, thereby helping to ensure the extrusion effect of the two bending extrusion surfaces on the probe body, and further helping to ensure the accuracy of the bending shape of the probe body.

[0017] In a specific possible implementation scheme, the positioning mechanism includes a support and limit assembly and a clamping assembly, and the clamping assembly and the support and limit assembly are both arranged on the base and located on both sides of the bending assembly. The support and limit assembly is used to support the second connection part and limit the radial displacement of the second connection part along itself, and the clamping assembly is used to clamp and fix the first connection part.

[0018] By adopting the above technical solution, the support and limit assembly is used to help support the second connecting part and limit the radial displacement of the second connecting part, the clamping assembly is used to help clamp and fix the first connecting part, and the cooperation of the support and limit assembly and the clamping assembly helps to improve the accuracy of the bending position of the probe body.

[0019] In a specific feasible implementation scheme, the support limit assembly includes a support block, a locking ring and a locking member, the support block is arranged on the base, the support block is provided with a clamping groove for clamping and supporting the second connecting part, the locking ring is arranged above the clamping groove, and one end of the locking ring is hingedly arranged on the support block, the locking member is jointly arranged on the other end of the locking ring and the support block, and the locking member is used to lock the locking ring.

[0020] By adopting the above technical solution, the second connecting part of the probe body is clamped and placed in the clamping groove, and the locking ring is locked by a locking component, which helps to limit the second connecting part by the locking ring, thereby helping to support the second connecting part while limiting the displacement of the second connecting part along its own radial direction, thereby helping to improve the bending effect of the probe body.

[0021] In a specific feasible implementation scheme, the clamping assembly includes a mounting plate, an insertion sleeve, a clamping block and a transmission member, the mounting plate is arranged on the movable clamping block, the insertion sleeve is arranged on the mounting plate, a mounting groove is arranged on the inner wall of the insertion sleeve, the clamping block is slidably arranged in the mounting groove, and the transmission member is arranged in the insertion sleeve and is used to drive the clamping block to clamp and fix the first connecting part.

[0022] By adopting the above technical solution, one end of the first connecting part is inserted into the insertion sleeve, and the transmission component is used to drive the clamping block to clamp the first connecting part while the first connecting part is inserted, thereby helping to position the first connecting part, and further helping to improve the accuracy of the bending position of the probe body.

[0023] In a specific feasible implementation scheme, the transmission component includes an abutment ring, a return spring, a connecting rod and a piston ring. A placement groove is provided on the inner wall of the insertion sleeve, and the placement groove is located on the side of the installation groove away from the bending assembly. One end of the return spring is connected to the groove wall of the placement groove, and the abutment ring is connected to the other end of the return spring and is slidably arranged in the placement groove. A hydraulic chamber connected to the installation groove is provided inside the insertion sleeve, and the hydraulic chamber is filled with hydraulic oil. The piston ring is movably arranged in the hydraulic chamber, one end of the connecting rod is connected to the piston rod, and the other end is connected to the abutment ring.

[0024] By adopting the above technical solution, when the first connecting part is inserted into the insertion sleeve, the first connecting part drives the abutment ring to move synchronously, thereby driving the piston ring to move in the hydraulic cavity through the connecting rod, squeezing the hydraulic oil in the hydraulic cavity, so that the clamping block clamps and positions the first connecting part under the hydraulic action of the hydraulic oil, thereby helping to improve the stability of the position of the first connecting part, and then helping to improve the accuracy of the bending position of the probe body.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. In the present application, the first bending portion and the second bending portion are arranged to help increase the friction resistance between the probe body and the radio frequency probe card, thereby helping to improve the stability of the relative position between the probe body and the radio frequency probe card, and further helping to improve the stability of the needle tip position, thereby improving the accuracy of the contact position between the needle tip and the chip to be tested, and ensuring the test effect of the chip.

[0027] 2. In the present application, a support and limit assembly and a clamping assembly are provided. The support and limit assembly helps to support the second connection part and limit the radial displacement of the second connection part along itself, and the clamping assembly helps to clamp and fix the first connection part. The cooperation of the support and limit assembly and the clamping assembly helps to improve the accuracy of the bending position of the probe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the probe body in the embodiment of the present application.

[0029] Figure 2 It is a schematic diagram showing the specific structure of the second connecting part.

[0030] Figure 3 It is a schematic diagram of the overall structure of the bending jig in the embodiment of the present application.

[0031] Figure 4 It is a partial structural cross-sectional view that reflects the specific structure of the support and limit assembly.

[0032] Figure 5 It is a schematic diagram showing the specific structure of the clamping assembly.

[0033] Figure 6 It is a cross-sectional view showing the specific structure of the transmission component.

[0034] Explanation of reference numerals: 1. probe body; 2. needle tip; 3. RF connector; 4. first bending portion; 5. second bending portion; 6. first connecting portion; 7. second connecting portion; 8. bending assembly; 81. fixed clamping block; 82. movable clamping block; 83. driving cylinder; 9. bending extrusion surface; 10. slot; 11. support and limit assembly; 111. support block; 112. locking ring; 113. locking member; 1131. locking plate; 1132. locking Bolt; 12, clamping assembly; 121, mounting plate; 122, insertion sleeve; 123, clamping block; 124, transmission member; 1241, abutment ring; 1242, return spring; 1243, connecting rod; 1244, piston ring; 13, clamping groove; 14, mounting groove; 15, placement groove; 16, hydraulic chamber; 17, locking screw hole; 18, base; 19, placement hole; 20, telescopic rod; 21, mounting through hole; 22, pressing rod. DETAILED DESCRIPTION

[0035] The present application is further described in detail below in conjunction with the accompanying drawings.

[0036] The present application embodiment discloses a radio frequency probe, referring to Figure 1 and Figure 2 , including a probe body 1, a needle tip 2 and an RF connector 3, the probe body 1 includes an integrally formed first bending portion 4, a second bending portion 5, a first connecting portion 6 and a second connecting portion 7, the first bending portion 4 and the second bending portion 5 are connected, the bending direction of the first bending portion 4 is opposite to the bending direction of the second bending portion 5, and the bending angles of both are α, the range of α is 100° to 140°, and in this embodiment, α is 120°.

[0037] Reference Figure 1 and Figure 2The first connection part 6 is connected to one end of the first bending part 4 away from the second bending part 5, and the needle tip 2 is fixedly installed on the end of the first connection part 6 away from the first bending part 4, the second connection part 7 is connected to one end of the second bending part 5 away from the first bending part 4, and the RF connector 3 is fixedly installed on the end of the second connection part 7 away from the second bending part 5, and a section of the second connection part 7 close to the RF connector 3 is bent and the bending angle is β, the range of β is 130° to 150°, and in this embodiment, β is 140°.

[0038] Reference Figure 1 and Figure 2 During the use of the RF probe, when tightening the male head and the RF connector 3 on the test machine, the first bent portion 4 and the second bent portion 5 help to increase the friction resistance between the probe body 1 and the RF probe card, thereby helping to minimize the force generated during the tightening process that drives the probe body 1 to move, and further helping to improve the stability of the relative position between the probe body 1 and the RF probe card, helping to improve the stability of the position of the needle tip 2, and improving the accuracy of the contact position between the needle tip 2 and the chip to be tested, thereby ensuring the test effect of the chip.

[0039] The present application also discloses a bending jig for bending the radio frequency probe. Figure 3 A positioning mechanism and a bending assembly 8 are provided on the base 18 . The positioning mechanism includes a support and limit assembly 11 and a clamping assembly 12 . The clamping assembly 12 and the support and limit assembly 11 are both provided on the base 18 and located on both sides of the bending assembly 8 .

[0040] Reference Figure 1 and Figure 3 The bending assembly 8 includes a fixed clamp block 81, a movable clamp block 82 and a driving cylinder 83. The fixed clamp block 81 and the driving cylinder 83 are fixedly installed on the base 18 at intervals, and the output shaft of the driving cylinder 83 extends toward the fixed clamp block 81. The movable clamp block 82 is fixedly installed on the output shaft of the driving cylinder 83 and is slidably arranged on the base 18. Bending and extruding surfaces 9 are arranged on the side wall of the fixed clamp block 81 facing the movable clamp block 82 and on the side wall of the movable clamp block 82 facing the fixed clamp block 81. The two bending and extruding surfaces 9 have the same shape. A card slot 10 is opened on each bending and extruding surface 9. The shape of the card slot 10 is in line with the shape of the probe body 1, and the depth of the card slot 10 is less than the cross-sectional radius of the probe body 1.

[0041] Reference Figure 3 and Figure 4The support and limiting assembly 11 includes a support block 111, a locking ring 112 and a locking member 113. The support block 111 is fixedly mounted on the base 18. A clamping groove 13 is provided on the top surface of the support block 111, and the depth of the clamping groove 13 is equal to the cross-sectional radius of the probe body 1. The locking ring 112 is rotatably mounted above the clamping groove 13, and one end of the locking ring 112 is hingedly mounted on the support block 111. In this embodiment, the locking member 113 includes a locking plate 1131 and a locking bolt 1132. The locking plate 1131 is fixedly mounted on the other end of the locking ring 112, and the locking bolt 1132 is threadedly connected to the locking plate 1131. A locking screw hole 17 is provided on the support block 111, and the locking bolt 1132 is threadedly inserted into the locking screw hole 17.

[0042] Reference Figure 5 and Figure 6 The clamping assembly 12 includes a mounting plate 121, an insertion sleeve 122, a clamping block 123 and a transmission member 124. In this embodiment, four clamping blocks 123 are provided. The mounting plate 121 is fixedly mounted on the side wall of the movable clamping block 82, and the insertion sleeve 122 is fixedly mounted on the top surface of the mounting plate 121. Four mounting grooves 14 are opened on the circumferential inner wall of the insertion sleeve 122. Each clamping block 123 is slidably mounted in a mounting groove 14, and the transmission member 124 is arranged in the insertion sleeve 122.

[0043] Reference Figure 3 and Figure 6 In this embodiment, the transmission component 124 includes a stop ring 1241, a return spring 1242, a connecting rod 1243 and a piston ring 1244. In this embodiment, a plurality of return springs 1242 and a connecting rod 1243 are provided. A placement groove 15 is provided on the circumferential inner wall of the insertion sleeve 122 on the side of the mounting groove 14 away from the bending component 8. A plurality of return springs 1242 are arranged along the axial direction of the insertion sleeve 122 and one end of the plurality of return springs 1242 away from the movable clamping block 82 is connected to the groove wall of the placement groove 15. The stop ring 1241 is fixedly connected to the other end of the plurality of return springs 1242, and the stop ring 1241 is slidably placed in the placement groove 15. A hydraulic chamber 16 is provided inside the insertion sleeve 122, which is connected to the mounting groove 14 and is filled with hydraulic oil. A plurality of connecting rods 1243 are arranged along the axial direction of the insertion sleeve 122 and are fixedly connected to the abutment ring 1241. The piston ring 1244 is fixedly connected to one end of the plurality of connecting rods 1243 away from the abutment ring 1241 and is located inside the hydraulic chamber 16.

[0044] Reference Figure 6 A placement hole 19 is provided on the circumferential outer wall of the abutting retaining ring 1241, and a telescopic rod 20 is fixedly installed in the placement hole 19. A mounting through hole 21 connected to the placement groove 15 is provided on the side wall of the insertion sleeve 122, and a pressing rod 22 is movably installed in the mounting through hole 21.

[0045] Reference Figure 4 and Figure 6 When positioning the radio frequency probe, the second connection part 7 is clamped and placed in the clamping groove 13, and the first connection part 6 is inserted into the insertion sleeve 122. When the first connection part 6 is inserted into the insertion sleeve 122, the end of the first connection part 6 gradually abuts against the abutting retaining ring 1241, thereby driving the abutting retaining ring 1241 to move synchronously, so that the reset spring 1242 gradually changes to a contracted state, and the abutting retaining ring 1241 drives the piston ring 1244 to move in the hydraulic chamber 16 through the connecting rod 1243 while moving, thereby squeezing the hydraulic oil in the hydraulic chamber 16, and then applying hydraulic pressure to the multiple clamping blocks 123, so that the multiple clamping blocks 123 clamp and fix the circumferential side walls of the first connection part 6, thereby helping to improve the stability of the position of the first connection part 6, and then helping to improve the accuracy of the bending position of the probe body 1.

[0046] Reference Figure 6 When the multiple clamping blocks 123 clamp and fix the first connecting part 6, the placement hole 19 is aligned with the mounting hole 21, so that the telescopic rod 20 is inserted into the mounting hole 21, thereby partially pushing the pressing rod 22 out of the mounting hole 21. At the same time, the telescopic rod 20 helps to prevent the abutment ring 1241 from resetting under the elastic force of the reset spring 1242, which helps to ensure the clamping and fixing effect of the multiple clamping blocks 123 on the first connecting part 6.

[0047] Reference Figure 4 and Figure 6 When the multiple clamping blocks 123 clamp and fix the first connecting part 6, the locking bolt 1132 is screwed into the locking screw hole 17, so that the locking ring 112 limits the second connecting part 7, which helps to support the second connecting part 7 while limiting the radial displacement of the second connecting part 7, which helps to improve the bending effect of the probe body 1.

[0048] The implementation principle of the embodiment of the present application is as follows: when positioning the radio frequency probe, the second connection part 7 is clamped and placed in the clamping groove 13, and the first connection part 6 is inserted into the insertion sleeve 122. When the first connection part 6 is inserted into the insertion sleeve 122, the end of the first connection part 6 gradually abuts against the abutting retaining ring 1241, thereby driving the abutting retaining ring 1241 to move synchronously, so that the reset spring 1242 gradually changes to a contracted state, and the abutting retaining ring 1241 drives the piston ring 1244 to move in the hydraulic chamber 16 through the connecting rod 1243 while moving, thereby squeezing the hydraulic oil in the hydraulic chamber 16, and then applying hydraulic pressure to the multiple clamping blocks 123, so that the multiple clamping blocks 123 clamp and fix the circumferential side walls of the first connection part 6, thereby helping to improve the stability of the position of the first connection part 6, and then helping to improve the accuracy of the bending position of the probe body 1.

[0049] When multiple clamping blocks 123 clamp and fix the first connecting part 6, the locking bolt 1132 is screwed into the locking screw hole 17, so that the locking ring 112 limits the second connecting part 7, which helps to support the second connecting part 7 while limiting the radial displacement of the second connecting part 7, which helps to improve the bending effect of the probe body 1.

[0050] When the multiple clamping blocks 123 clamp and fix the first connecting part 6, the placement hole 19 is aligned with the mounting hole 21, so that the telescopic rod 20 is inserted into the mounting hole 21, thereby partially pushing the pressing rod 22 out of the mounting hole 21. At the same time, the telescopic rod 20 helps to prevent the abutment ring 1241 from resetting under the elastic force of the reset spring 1242, which helps to ensure the clamping and fixing effect of the multiple clamping blocks 123 on the first connecting part 6.

[0051] When the bending process of the probe body 1 is completed, the telescopic rod 20 is disengaged from the mounting hole 21 by pressing the pressing rod 22, so that the abutment ring 1241 can be reset under the elastic force of the reset spring 1242, so that the multiple clamping blocks 123 release the clamping fixation on the first connecting part 6, thereby facilitating the removal of the RF probe after the bending process.

[0052] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A radio frequency probe, characterized in that: The invention comprises a probe body (1), a needle tip (2) and an RF connector (3), wherein the probe body (1) comprises a first bending portion (4), a second bending portion (5), a first connecting portion (6) and a second connecting portion (7), wherein the first bending portion (4) and the second bending portion (5) are connected, and the bending direction of the first bending portion (4) is opposite to the bending direction of the second bending portion (5), the first connecting portion (6) is connected to an end of the first bending portion (4) away from the second bending portion (5), and the needle tip (2) is connected to an end of the first connecting portion (6) away from the first bending portion (4), the second connecting portion (7) is connected to an end of the second bending portion (5) away from the first bending portion (4), and the RF connector (3) is connected to an end of the second connecting portion (7) away from the second bending portion (5).

2. A radio frequency probe according to claim 1, characterized in that: The bending angle of the first bending portion (4) and the second bending portion (5) is α, and the range of α is 100° to 140°.

3. A radio frequency probe according to claim 1, characterized in that: A section of the second connecting portion (7) close to the RF connector (3) is bent and has a bending angle of β, wherein the range of β is 130° to 150°.

4. A bending jig, suitable for a radio frequency probe as claimed in claim 1, characterized in that: It comprises a base (18), on which a positioning mechanism and a bending assembly (8) are arranged, wherein the positioning mechanism is used to position a radio frequency probe to be bent, and the bending assembly (8) is used to perform bending processing on the positioned radio frequency probe.

5. A bending jig according to claim 4, characterized in that: The bending assembly (8) comprises a fixed clamping block (81), a movable clamping block (82) and a driving cylinder (83); the fixed clamping block (81) and the driving cylinder (83) are arranged on the base (18) at intervals, and the output shaft of the driving cylinder (83) extends toward the fixed clamping block (81); the movable clamping block (82) is arranged on the output shaft of the driving cylinder (83); bending extrusion surfaces (9) are arranged on opposite side walls of the fixed clamping block (81) and the movable clamping block (82); the two bending extrusion surfaces (9) are used to extrude the radio frequency probe and bend the radio frequency probe.

6. A bending jig according to claim 5, characterized in that: Each of the bent extrusion surfaces (9) is provided with a slot (10) for the probe body (1) to be inserted into; the shape of the slot (10) matches the shape of the probe body (1), and the depth of the slot (10) is smaller than the cross-sectional radius of the probe body (1).

7. A bending jig according to claim 5, characterized in that: The positioning mechanism comprises a support and limit assembly (11) and a clamping assembly (12); the clamping assembly (12) and the support and limit assembly (11) are both arranged on a base (18) and located on both sides of the bending assembly (8); the support and limit assembly (11) is used to support the second connecting part (7) and limit the radial displacement of the second connecting part (7); the clamping assembly (12) is used to clamp and fix the first connecting part (6).

8. A bending jig according to claim 7, characterized in that: The support and limiting assembly (11) comprises a support block (111), a locking ring (112) and a locking member (113); the support block (111) is arranged on a base (18); a clamping groove (13) for clamping and supporting the second connecting portion (7) is arranged on the support block (111); the locking ring (112) is arranged above the clamping groove (13); one end of the locking ring (112) is hingedly arranged on the support block (111); the locking member (113) is jointly arranged on the other end of the locking ring (112) and the support block (111); and the locking member (113) is used to lock the locking ring (112).

9. A bending jig according to claim 7, characterized in that: The clamping assembly (12) comprises a mounting plate (121), an insertion sleeve (122), a clamping block (123) and a transmission member (124); the mounting plate (121) is arranged on a movable clamping block (82); the insertion sleeve (122) is arranged on the mounting plate (121); a mounting groove (14) is arranged on the inner wall of the insertion sleeve (122); the clamping block (123) is slidably arranged in the mounting groove (14); and the transmission member (124) is arranged in the insertion sleeve (122) and is used to drive the clamping block (123) to clamp and fix the first connecting portion (6).

10. A bending jig according to claim 9, characterized in that: The transmission component (124) comprises an abutting retaining ring (1241), a return spring (1242), a connecting rod (1243) and a piston ring (1244); a placement groove (15) is arranged on the inner wall of the insertion sleeve (122); the placement groove (15) is located on the side of the installation groove (14) away from the bending assembly (8); one end of the return spring (1242) is connected to the groove wall of the placement groove (15); the abutting retaining ring (1241) is connected to the other end of the return spring (1242) and is slidably arranged in the placement groove (15); a hydraulic chamber (16) connected to the installation groove (14) is arranged inside the insertion sleeve (122); the hydraulic chamber (16) is filled with hydraulic oil; the piston ring (1244) is movably arranged in the hydraulic chamber (16); one end of the connecting rod (1243) is connected to the piston rod, and the other end is connected to the abutting retaining ring (1241).

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