CN115213710A - Tail plate machining clamp and boring machine with same - Google Patents

Abstract

The application relates to a tail plate processing clamp and a boring machine with the same, and relates to the field of metal processing; the supporting plate is arranged on the upper side of the base and provided with a plurality of T-shaped fixing grooves; the clamping assemblies are more than two and are respectively arranged on two sides of the supporting plate so as to clamp the tail plate; the clamping assembly includes: the driving shaft penetrates through the supporting plate along the vertical direction and is connected with the supporting plate in a sliding manner, and two ends of the driving shaft respectively extend out of two sides of the supporting plate; the supporting plate is detachably connected to the supporting plate; the clamping shaft penetrates through the support plate and is connected with the support plate in a sliding manner; and one end of the pull rope is connected with the lower end of the driving shaft, and the other end of the pull rope is connected with one end of the clamping shaft, which is back to the supporting plate. This application has the effect of clamping the automatic dress of tailboard in the middle part of layer board upside.

Description

Tail plate processing fixture and boring machine with the same

technical field

The present application relates to the field of metal processing, in particular to a tail plate processing fixture and a boring machine with the same.

Background technique

The tail plate is an important component of the mold clamping mechanism of the injection molding machine. Usually, the mold opening and closing cylinder, the mold adjustment mechanism and the toggle are installed on the tail plate.

For example, the Chinese patent with the authorization announcement number of CN206597935U discloses a boring machine and its tail plate processing fixture, including a base for fixing on the moving platform of the boring machine and a support plate arranged above the base, and the support plate is provided with a tail plate for fixing the tail plate. The horizontal fixing components on both lateral sides and the longitudinal fixing components for fixing the longitudinal sides of the tail plate, the center of the base is provided with an annular boss, the lower end of the support plate is provided with a rotating column that is rotatably connected to the annular boss, and the outer side of the annular boss is provided with a rotating column. The wall is provided with a fixing block, and the fixing block is provided with a locking component for locking the rotating column. After the tail plate is placed on the boring machine, it is necessary to manually turn the handwheels on both sides of the pallet to drive the abutting rods on both sides of the pallet to clamp and fix the tail plate.

In view of the above-mentioned related technologies, the inventor believes that manually rotating the handwheels on both sides of the pallet drives the abutment rods to clamp and fix the tail board, and it is difficult to clamp the tail board in the middle of the pallet due to the experience of operators. Room for improvement.

SUMMARY OF THE INVENTION

In order to automatically clamp the tail plate to the middle part of the upper side of the pallet, the present application provides a tail plate processing fixture and a boring machine with the same.

In the first aspect, the application provides a tail plate processing fixture, which adopts the following technical solutions:

A tail plate processing fixture, comprising:

The base is fixed on the mobile platform of the boring machine;

a support plate, which is arranged on the upper side of the base, and has a plurality of T-shaped fixing grooves on the support plate; and

There are more than two clamping assemblies, and the two or more clamping assemblies are respectively arranged on both sides of the support plate to clamp the tail plate;

The clamping assembly includes:

a drive shaft, which penetrates the support plate in the vertical direction and is slidably connected with the support plate, and two ends of the drive shaft respectively protrude from both sides of the support plate;

a support plate, which is detachably connected to the support plate;

a clamping shaft, which penetrates through the support plate and is slidably connected with the support plate; and

One end of the pulling rope is connected with the lower end of the drive shaft, and the other end is connected with the end of the clamping shaft facing away from the support plate.

By adopting the above technical scheme, when the tail plate is placed on the pallet, the tail plate drives the drive shaft to move downward, and the drive shaft drives the clamping shafts on both sides to approach the tail plate synchronously through the pulling rope, which realizes the clamping and fixing of the tail plate. On the upper side of the pallet, the tail plate can be held in the middle of the pallet when it is clamped and fixed.

Optionally, a first reset elastic member is sleeved on the drive shaft, and the first reset elastic member keeps the drive shaft moving upward.

By adopting the above technical solution, when the tail plate is not clamped, the drive shaft is kept protruding from the upper side of the pallet under the drive of the first reset elastic member.

Optionally, a second reset elastic member is sleeved on the clamping shaft, the second reset elastic member abuts on the side of the support plate facing away from the support plate, and the second reset elastic member The clamping shaft is kept in a tendency to be away from the pallet.

By adopting the above technical solution, when the tail plate is not clamped, the clamping shaft is kept away from the support plate under the driving of the second reset elastic member, so that when the tail plate is placed on the upper side of the support plate, the tail plate is not easy to be clamped. Shaft interference occurs.

Optionally, it also includes a clamping adjustment assembly that drives the other end of the pulling rope to slide relative to the clamping shaft, and the clamping adjustment assembly includes:

A support plate is sleeved on the end of the clamping shaft facing away from the support plate, the supporting plate is axially connected to the clamping shaft in a sliding manner, and the supporting plate is circumferentially opposite to the clamping shaft still;

An inner threaded sleeve is sleeved on the end of the clamping shaft facing away from the support plate and is threadedly connected with the clamping shaft, the inner threaded sleeve is rotatably connected with the support plate, and the inner threaded sleeve is along the shaft. to stand still relative to the support plate; and

The adjusting drive source is arranged on the support plate to drive the inner threaded sleeve to rotate.

By adopting the above technical solution, after the tail plate is placed on the pallet, the drive source is adjusted to drive the inner threaded sleeve to rotate, which can drive the clamping shafts on both sides to approach each other, so as to further clamp and fix the tail plate and improve the clamping force of the tail plate. firmness.

Optionally, the clamping adjustment assembly further includes:

a driving gear, sleeved on the output shaft of the adjustment drive source and rotated with the output shaft of the adjustment drive source; and

The driven gear is arranged concentrically with the inner threaded sleeve, the driven gear and the driving gear are meshed with each other, and the inner threaded sleeve rotates with the driven gear.

By adopting the above technical solution, the adjusting drive source drives the inner threaded sleeve to rotate through the mutual meshing of the driving gear and the driven gear, and the transmission is stable.

Optionally, the support plate is sleeved on the outer side of the inner threaded sleeve, the driven gear is fixed on one end of the inner threaded sleeve, the other end of the inner threaded sleeve is fixed with a limit ring, and the limit The position ring and the driven gear are respectively abutted on two sides of the support plate.

By adopting the above technical solution, the support plate is made to be stationary relative to the female threaded sleeve in the axial direction, so that the support plate and the female threaded sleeve move synchronously in the axial direction.

Optionally, a guide column is fixed on the support plate, the axis of the guide column and the axis of the clamping shaft are parallel to each other, and the guide column passes through the support plate and slides with the support plate. Move the connection.

By adopting the above technical solution, the support plate is slidably connected to the support plate in the axial direction, and is stationary relative to the support plate in the circumferential direction.

Optionally, it also includes vertical fixing components arranged on both sides of the support plate, and the vertical fixing components include:

Vertical plate, fixed on the pallet;

a guide shaft, passing through the vertical plate and slidably connected with the guide shaft;

a fixed head, fixed on the end of the guide shaft facing the tail plate, the diameter of the fixed head is larger than that of the guide shaft, and the end of the fixed head facing away from the guide shaft is provided with a guide surface;

inserting an elastic member, sleeved on the guide shaft, so that the fixed head keeps a tendency to be inserted into the load reducing hole of the tail plate away from the vertical plate; and

The limiter is arranged on the end of the guide shaft facing away from the fixed head.

By adopting the above technical solution, when the tail plate is placed on the upper side of the pallet, the tail plate abuts against the guide surfaces of the two vertical fixing components on both sides, forcing the two fixing heads to move away from each other, inserting elastic parts to compress and store energy, and the tail plate When the plate is in contact with the support plate, the fixed head is aligned with the load-relief hole of the tail plate, and the elastic element is inserted to release energy to drive the fixed head to be inserted into the load-relief hole of the tail plate, so that the tail plate is not easy to move upward relative to the support plate, and the tail plate is not easy to move upwards. Vertical automatic fixation.

Optionally, the vertical fixing assembly further includes:

A sliding sleeve, the vertical plate is provided with a long waist hole for the sliding sleeve to pass through, the sliding sleeve can slide in the long waist hole in a vertical direction, and the guide shaft is penetrated through the sliding sleeve sleeved on and slidably connected with the sliding sleeve;

a retaining ring, fixed on one end of the sliding sleeve and abutting with the vertical plate; and

The clamping nut is threadedly connected to the other end of the sliding sleeve, and the clamping nut can cooperate with the retaining ring to clamp the vertical plate.

By adopting the above technical solution, the height of the guide shaft can be adjusted by sliding the sliding sleeve in the long waist hole in the vertical direction. The sliding sleeve is fixed so that the fixed head can be inserted into the load reducing holes of different height specifications of the tail plate, so as to vertically fix the tail plate of different specifications.

Second aspect, the application provides a kind of boring machine, adopts following technical scheme:

A boring machine includes the above-mentioned tail plate processing fixture.

By adopting the above technical scheme, when the tail plate is placed on the pallet, the tail plate drives the drive shaft to move downward, and the drive shaft drives the clamping shafts on both sides to approach the tail plate synchronously through the pulling rope, which realizes the clamping and fixing of the tail plate. On the upper side of the pallet, the tail plate can be held in the middle of the pallet when it is clamped and fixed.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. When the tail plate is placed on the pallet, the tail plate drives the drive shaft to move downward, and the drive shaft drives the clamping shafts on both sides to approach the tail plate synchronously through the pulling rope, which realizes the clamping and fixing of the tail plate on the pallet. side, and realizes that the tail plate remains in the middle of the pallet when it is clamped and fixed;

2. When the tail plate is placed on the upper side of the pallet, the tail plate abuts on the guide surfaces of the two vertical fixing components on both sides, forcing the two fixing heads away from each other, inserting elastic parts to compress and store energy, the tail plate and the pallet When abutting, the fixed head is aligned with the load-relief hole of the tail plate, and the elastic element is inserted to release energy to drive the fixed head to be inserted into the load-relief hole of the tail plate, so that the tail plate is not easy to move upward relative to the support plate, and the automatic vertical movement of the tail plate is realized. fixed.

Description of drawings

FIG. 1 is a schematic structural diagram of a tail plate processing fixture according to Embodiment 1 of the present application.

FIG. 2 is a y-direction view in FIG. 1 .

FIG. 3 is an exploded schematic view of the clamping adjustment assembly, the second reset elastic member, and the clamping shaft according to Embodiment 1 of the present application.

FIG. 4 is a schematic diagram of an exploded structure of the vertical fixing assembly according to Embodiment 1 of the present application.

Description of reference numerals: 10, base; 20, support plate; 21, T-shaped fixing groove; 30, clamping assembly; 31, drive shaft; 311, first reset elastic member; 312, connecting plate; 33, clamping shaft; 331, second reset elastic member; 332, clamping disc; 34, pulling rope; 40, clamping adjustment assembly; 41, supporting disc; 411, guide column; 42, internal thread sleeve; 421, Limiting ring; 43. Adjustment drive source; 44. Driving gear; 45. Driven gear; 50. Vertical fixing assembly; 51. Vertical plate; 511. Long waist hole; 512. Sliding block; 52. Guide shaft; 53, fixed head; 531, guide surface; 54, inserted elastic part; 55, limiter; 56, sliding sleeve; 57, retaining ring; 58, clamping nut; 60, tail plate; 61, load reducing hole.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-4. A coordinate system xy is established, with the forward direction indicated by arrow x as the front, the reverse direction indicated by arrow x as the back, the positive direction indicated by arrow y as left, and the reverse direction indicated by arrow y as right.

Example 1

The embodiment of the present application discloses a tail plate processing fixture. Referring to FIGS. 1 and 2 , the tail plate processing fixture includes a base 10 , a support plate 20 and a clamping assembly 30 .

The base 10 is fixed on the upper side of the boring machine moving platform, and the support plate 20 can be fixed on the upper side of the base 10, or can be connected to the upper side of the base 10 by rotation. For example, after the support plate 20 is rotated to a required angle, the support plate 20 and the base 10 can be fixed by means of bolts.

The clamping assembly 30 is used to clamp and fix the tail plate 60 on the upper side of the support plate 20. The number of clamping assemblies 30 is two or more. When the number of clamping assemblies 30 is two, the two clamping assemblies 30 are respectively set. On the front and rear sides of the pallet 20; when the number of clamping assemblies 30 is three, two clamping assemblies 30 are arranged on the front side of the pallet 20, one clamping assembly 30 is arranged on the rear side of the pallet 20, The distance between the clamping components 30 on the rear side of the pallet 20 and the two clamping components 30 located on the front side of the pallet 20 is equal; when the number of the clamping components 30 is four, each of them is a set of two respectively disposed on the pallet. On the front and rear sides of the plate 20, the number of the clamping assemblies 30 in this embodiment is described by taking four as an example.

The clamping assembly 30 includes a driving shaft 31 , a support plate 32 , a clamping shaft 33 and a pulling rope 34 . Specifically, the drive shaft 31 is vertically arranged, and the drive shaft 31 penetrates through the support plate 20 and protrudes from the upper and lower sides of the support plate 20 respectively. The support plate 32 is fixed on the front or rear side of the support plate 20 by screws, the clamping shaft 33 penetrates the supporting plate 32 in the direction indicated by the arrow x, and the clamping shaft 33 is slidably connected with the supporting plate 32 in the direction indicated by the arrow x. The pull rope 34 is a steel wire rope, the lower end of the pull rope 34 is fixedly connected with the lower end of the drive shaft 31 , and the upper end of the pull rope 34 is fixedly connected with the end of the clamping shaft 33 facing away from the tail plate 60 .

Initially, the upper end of the drive shaft 31 protrudes from the upper side of the pallet 20. When the tail plate 60 is placed on the pallet 20, the tail plate 60 drives the drive shaft 31 to move downward, and the drive shaft 31 drives the two sides of the The clamping shaft 33 is synchronously close to the end plate 60 , which not only realizes the clamping and fixing of the end plate 60 on the upper side of the supporting plate 20 , but also realizes that the end plate 60 remains in the middle of the supporting plate 20 when clamped and fixed.

In order to increase the contact area between the clamping shaft 33 and the end plate 60, a clamping disc 332 is fixed at the end of the clamping shaft 33 close to the end plate 60. The diameter of the clamping disc 332 is larger than the diameter of the clamping shaft 33, and the clamping disc 332 It is arranged concentrically with the clamping shaft 33 .

In order to increase the synchronization of the two drive shafts 31 on the same side and the coverage of the drive shafts 31 , a connecting plate 312 is fixed on the upper side of the two driving shafts 31 on the same side, and the connecting plate 312 can slide into the T-shaped fixing groove 21 of the support plate 20 . middle.

A first reset elastic member 311 is sleeved on the drive shaft 31 , and the first reset elastic member 311 may be a compression spring or a tension spring. When the first reset elastic member 311 is a compression spring, the lower end of the first reset elastic member 311 is in contact with the bottom of the T-shaped fixing groove 21 of the support plate 20, and the upper end of the first reset elastic member 311 is in contact with the connecting plate 312 to The drive shaft 31 is kept in a tendency to move upward. When the first reset elastic member 311 is a tension spring, the first reset elastic member 311 is located on the lower side of the support plate 20 , the upper end of the first reset elastic member 311 is fixed to the lower side of the support plate 20 , and the lower end of the first reset elastic member 311 It is fixed with the lower end of the drive shaft 31 so that the drive shaft 31 maintains a tendency to move upward.

A second reset elastic member 331 is sleeved on the clamping shaft 33. The second reset elastic member 331 is a compression spring. The second reset elastic member 331 abuts on the side of the support plate 32 facing away from the tail plate 60. The end of the piece 331 facing away from the support plate 32 moves synchronously with the end of the clamping shaft 33 facing away from the tail plate 60 , so that the clamping shaft 33 tends to keep away from the supporting plate 20 .

Referring to FIGS. 2 and 3 , in order to clamp and fix different sizes on the pallet 20 and further clamp the tail plate 60, the tail plate processing fixture further includes a clamping adjustment assembly 40, which is used to drive the pulling rope The upper end of 34 slides relative to the clamping shaft 33 . The clamping adjustment assembly 40 includes a support plate 41 , an internal thread sleeve 42 and an adjustment driving source 43 . The inner threaded sleeve 42 is sleeved on the end of the clamping shaft 33 facing away from the tail plate 60 , and the inner threaded sleeve 42 is threadedly connected with the clamping shaft 33 . The support plate 41 is sleeved on the outer side of the female threaded sleeve 42 , the support plate 41 is rotatably connected with the female threaded sleeve 42 , and the support plate 41 is stationary relative to the female threaded sleeve 42 in the axial direction. A guide column 411 is fixed on the support plate 41, the axis of the guide column 411 and the axis of the clamping shaft 33 are parallel to each other. It is stationary relative to the clamping shaft 33 . The adjustment drive source 43 is a motor, and the adjustment drive source 43 is fixed on the support plate 41. The output shaft of the adjustment drive source 43 can drive the female threaded sleeve 42 to rotate through gear transmission, or can drive the female threaded sleeve 42 to rotate through belt transmission.

In this embodiment, the adjustment driving source 43 drives the inner threaded sleeve 42 to rotate through gear transmission as an example for description. Specifically, the output shaft of the adjustment drive source 43 extends in a direction away from the tail plate 60 , the output shaft of the adjustment drive source 43 penetrates the support plate 41 , and the output shaft of the adjustment drive source 43 is sleeved with a driving gear 44 , and the driving gear 44 On the side of the support plate 41 away from the tail plate 60 , the driving gear 44 is fixedly connected with the output shaft of the adjustment drive source 43 . The end of the female threaded sleeve 42 facing away from the tail plate 60 is sleeved with a driven gear 45. The driven gear 45 and the driving gear 44 mesh with each other. The driven gear 45 and the female threaded sleeve 42 are arranged concentrically. The threaded sleeve 42 is fixedly connected. A limit ring 421 is fixed to the end of the female threaded sleeve 42 close to the tail plate 60 , and the limit ring 421 and the driven gear 45 are respectively abutted on both sides of the support plate 41 , so that the support plate 41 is axially opposite to the female threaded sleeve 42 still.

Referring to FIGS. 2 and 4 , in order to make the tail plate 60 difficult to move relative to the support plate 20 in the vertical direction, the tail plate processing fixture further includes vertical fixing components 50 , and the number of the vertical fixing components 50 is two, two vertical The fixing components 50 are respectively disposed on the left and right sides of the support plate 20 . The vertical fixing components 50 include a vertical plate 51 , a guide shaft 52 , a fixing head 53 , an inserting elastic member 54 and a limiting member 55 .

The vertical plate 51 is fixed on the support plate 20 . Specifically, a sliding block 512 is fixed on the lower side of the vertical plate 51. The sliding block 512 can be set in the T-shaped fixing groove 21 of the support plate 20 and slide in the direction indicated by the arrow y in the T-shaped fixing groove 21. After the plate 51 is adjusted to a proper position, the sliding block 512 is fixed on the support plate 20 by bolts. At this time, the bolts are screwed with the sliding block 512 and the ends of the bolts press against the bottom of the T-shaped fixing groove 21 .

The guide shaft 52 is inserted through the vertical plate 51 , and the guide shaft 52 is slidably connected with the guide shaft 52 along the direction indicated by the arrow y. The fixed head 53 is fixed on the end of the guide shaft 52 facing the tail plate 60 , the diameter of the fixed head 53 is larger than the diameter of the guide shaft 52 , the maximum diameter of the fixed head 53 is larger than the load relief hole 61 of the tail plate 60 , and the fixed head 53 faces the end of the tail plate 60 . One end is provided with a guide surface 531 , the guide surface 531 is a circular table surface, and the diameter of the guide surface 531 gradually decreases from the direction of the guide shaft 52 to the fixed head 53 . The insertion elastic member 54 is a compression spring, the insertion elastic member 54 is sleeved on the guide shaft 52 , and both ends of the insertion elastic member 54 abut with the fixing head 53 and the vertical plate 51 respectively, so that the fixing head 53 is kept away from the vertical plate 51 . The tendency to insert the load relief hole 61 of the tail plate 60 . The limiter 55 is a nut, and the limiter 55 is threadedly connected to the end of the guide shaft 52 facing away from the tail plate 60 to limit the position of the fixing head 53 so that when the tail plate 60 is placed on the upper side of the pallet 20, the tail Two sides of the plate 60 are respectively abutted against the guide surfaces 531 of the two vertical fixing assemblies 50 .

When the tail plate 60 is placed on the upper side of the pallet 20, the tail plate 60 abuts against the guide surfaces 531 of the two vertical fixing assemblies 50 on both sides, forcing the two fixing heads 53 to move away from each other, and inserting the elastic member 54 to compress and store energy, When the tail plate 60 is in contact with the support plate 20, the fixed head 53 is aligned with the load reducing hole 61 of the tail plate 60, and the elastic member 54 releases energy to drive the fixed head 53 to insert into the load reducing hole 61 of the tail plate 60, so that the tail plate 60 is not easy to Move upward relative to the pallet 20 .

In order to enable the fixing head 53 to be inserted into the load-relief holes 61 with different height specifications of the tail plate 60 , the vertical fixing assembly 50 further includes a sliding sleeve 56 , a retaining ring 57 and a clamping nut 58 . The long waist hole 511 is opened on the vertical plate 51, the length direction of the long waist hole 511 is arranged in the vertical direction, the sliding sleeve 56 is inserted in the long waist hole 511, and the sliding sleeve 56 can be inserted in the long waist hole 511 along the vertical direction When sliding, the guide shaft 52 passes through the sliding sleeve 56 , and the guide shaft 52 is slidably connected to the sliding sleeve 56 in the axial direction. The retaining ring 57 fixes one end of the sliding sleeve 56, the retaining ring 57 is in contact with the vertical plate 51, the clamping nut 58 is threadedly connected to the other end of the sliding sleeve 56, and the clamping nut 58 can cooperate with the retaining ring 57 to clamp the vertical plate 51 to The sliding sleeve 56 is fixed on the vertical plate 51 .

When adjusting the height of the guide shaft 52 , loosen the clamping nut 58 , slide the sliding sleeve 56 to the required height, and tighten the clamping nut 58 so that the clamping nut 58 can cooperate with the retaining ring 57 to clamp the vertical plate 51 . to be fixed.

The implementation principle of a tail plate processing fixture in the embodiment of the present application is as follows: when the tail plate 60 is clamped on the support plate 20, the tail plate 60 is first placed on the upper side of the support plate 20, and the tail plate 60 is driven by its own gravity. The driving shaft 31 slides down, and the driving shaft 31 drives the clamping shaft 33 to approach and clamp the tail plate 60 through the pulling rope 34, and then the driving source 43 is adjusted to drive the inner threaded sleeve 42 to rotate through the intermeshing of the driving gear 44 and the driven gear 45. , the clamping shaft 33 is driven to clamp the tail plate 60 , and the automatic clamping of the tail plate 60 is realized. At the same time, the tail plate 60 abuts against the guide surfaces 531 of the two vertical fixing assemblies 50 on both sides, forcing the two fixing heads 53 to move away from each other, inserting the elastic member 54 to compress and store energy, and the tail plate 60 abuts against the support plate 20 When connected, the fixed head 53 is aligned with the load reducing hole 61 of the tail plate 60, and the elastic member 54 releases energy to drive the fixed head 53 to be inserted into the load reducing hole 61 of the tail plate 60, thereby realizing the vertical automatic fixing of the tail plate 60.

Example 2

This embodiment discloses a boring machine, including the tail plate processing fixture as described in Embodiment 1.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (10)

1. The utility model provides a tailboard adds clamping apparatus which characterized in that includes:

the base (10) is fixed on the boring machine moving platform;

the supporting plate (20) is arranged on the upper side of the base (10), and a plurality of T-shaped fixing grooves (21) are formed in the supporting plate (20); and

the number of the clamping assemblies (30) is more than two, and the more than two clamping assemblies (30) are respectively arranged on two sides of the supporting plate (20) to clamp the tail plate;

the clamping assembly (30) comprises:

the driving shaft (31) penetrates through the supporting plate (20) along the vertical direction and is connected with the supporting plate (20) in a sliding manner, and two ends of the driving shaft (31) respectively extend out of two sides of the supporting plate (20);

a support plate (32) detachably attached to the pallet (20);

the clamping shaft (33) penetrates through the support plate (32) and is connected with the support plate (32) in a sliding mode; and

and one end of the pull rope (34) is connected with the lower end of the driving shaft (31), and the other end of the pull rope is connected with one end, back to the supporting plate (20), of the clamping shaft (33).

2. The tailgate processing clamp according to claim 1, wherein: the driving shaft (31) is sleeved with a first reset elastic piece (311), and the driving shaft (31) is kept to move upwards by the first reset elastic piece (311).

3. The tailgate processing clamp according to claim 1, wherein: the clamping shaft (33) is sleeved with a second reset elastic piece (331), the second reset elastic piece (331) abuts against one side, back to the supporting plate (20), of the supporting plate (32), and the second reset elastic piece (331) enables the clamping shaft (33) to keep away from the supporting plate (20) in a trend.

4. The tailgate machining clamp according to claim 1, further comprising a clamping adjustment assembly (40) for driving the other end of the pull rope (34) to slide relative to the clamping shaft (33), the clamping adjustment assembly (40) comprising:

the supporting disc (41) is sleeved at one end, back to the supporting plate (20), of the clamping shaft (33), the supporting disc (41) is connected with the clamping shaft (33) in a sliding mode along the axial direction, and the supporting disc (41) is static relative to the clamping shaft (33) along the circumferential direction;

the internal thread sleeve (42) is sleeved at one end, back to the supporting plate (20), of the clamping shaft (33) and is in threaded connection with the clamping shaft (33), the internal thread sleeve (42) is in rotary connection with the supporting plate (41), and the internal thread sleeve (42) is static relative to the supporting plate (41) along the axial direction; and

and the adjusting driving source (43) is arranged on the supporting disc (41) and drives the internal thread sleeve (42) to rotate.

5. The tailgate machining clamp according to claim 4, characterized in that the clamping adjustment assembly (40) further comprises:

a driving gear (44) which is sleeved on the output shaft of the adjusting driving source (43) and rotates along with the output shaft of the adjusting driving source (43); and

the driven gear (45) and the internal thread sleeve (42) are arranged concentrically, the driven gear (45) is meshed with the driving gear (44), and the internal thread sleeve (42) rotates along with the driven gear (45).

6. The tailgate processing clamp according to claim 5, wherein: the supporting disc (41) is sleeved on the outer side of the internal thread sleeve (42), the driven gear (45) is fixed at one end of the internal thread sleeve (42), a limiting ring (421) is fixed at the other end of the internal thread sleeve (42), and the limiting ring (421) and the driven gear (45) are respectively abutted to two sides of the supporting disc (41).

7. The tailgate processing clamp according to claim 4, wherein: a guide post (411) is fixed on the support plate (41), the axis of the guide post (411) is parallel to the axis of the clamping shaft (33), and the guide post (411) is arranged on the support plate (32) in a penetrating manner and is connected with the support plate (32) in a sliding manner.

8. The tailgate processing clamp according to claim 1, further comprising vertical fixing assemblies (50) provided at both sides of the supporting plate (20), wherein the vertical fixing assemblies (50) comprise:

a vertical plate (51) fixed on the supporting plate (20);

the guide shaft (52) is arranged on the vertical plate (51) in a penetrating mode and is connected with the guide shaft (52) in a sliding mode;

a fixed head (53) fixed at one end of the guide shaft (52) facing the tail plate, wherein the diameter of the fixed head (53) is larger than that of the guide shaft (52), and a guide surface (531) is arranged at one end of the fixed head (53) back to the guide shaft (52);

the inserting elastic piece (54) is sleeved on the guide shaft (52) so that the fixing head (53) keeps the trend of being far away from the negative hole of the vertical plate (51) for inserting the tail plate; and

and a stopper (55) provided at an end of the guide shaft (52) facing away from the fixed head (53).

9. The tailgate processing clamp according to claim 8, wherein: the vertical fixation assembly (50) further comprises:

the vertical plate (51) is provided with a long waist hole (511) for the sliding sleeve (56) to penetrate through, the sliding sleeve (56) can slide in the long waist hole (511) along the vertical direction, and the guide shaft (52) penetrates through the sliding sleeve (56) and is connected with the sliding sleeve (56) in a sliding manner;

a baffle ring (57) fixed at one end of the sliding sleeve (56) and abutted against the vertical plate (51); and

and the clamping nut (58) is in threaded connection with the other end of the sliding sleeve (56), and the clamping nut (58) can be matched with the baffle ring (57) to clamp the vertical plate (51).

10. A boring machine is characterized in that: comprising a tailgate machining jig according to any of claims 1-9.

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