CN112975464B

CN112975464B - Drilling clamp for multi-spindle drilling machine

Info

Publication number: CN112975464B
Application number: CN202110219126.8A
Authority: CN
Inventors: 沈飞
Original assignee: Hangzhou Jiakewei Machinery Manufacturing Co ltd
Current assignee: Hangzhou Jiakewei Machinery Manufacturing Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2022-10-04
Anticipated expiration: 2041-02-26
Also published as: CN112975464A

Abstract

The invention discloses a drilling clamp for a multi-spindle drilling machine, and relates to the technical field of multi-spindle drilling machine clamps. The drilling fixture for the multi-spindle drilling machine comprises a base, wherein the left part of the upper end face of the base is fixedly connected with a first support plate through a support leg, the right end face of the first support plate is connected with a first rotating shaft in a penetrating and rotating mode, the right part of the outer surface wall of the first rotating shaft is connected with a first support rod in an equidistant rotating mode through a first lug circumference, the left part of the upper end face of the base is fixedly connected with a first driving motor through a fixing frame, the first driving motor is coaxially and fixedly connected with a lead screw through an output shaft, the outer portion of the lead screw is connected with a threaded sleeve block, the rear end face of the threaded sleeve block is fixedly connected with the front end face of a support platform, and a Y-shaped plate is fixedly connected with the right end face of the support platform.

Description

Drilling clamp for multi-spindle drilling machine

Technical Field

The invention relates to the technical field of multi-spindle drilling machine clamps, in particular to a drilling clamp for a multi-spindle drilling machine.

Background

A multi-spindle drilling machine is generally called a multi-spindle drill, a multi-hole drill or a multi-spindle drill, and is machine tool equipment applied to drilling and tapping in the mechanical field, a drilling machine with a vertically arranged spindle and a fixed central position is called a vertical drill for short, a vertical drill with a plurality of drill spindles is called a multi-spindle drilling machine, is commonly used for machining holes of middle and small workpieces in machinery manufacturing and repairing factories, and at present, a clamp is a technological device widely applied to the technological process of various mechanical manufacturing industries and used for fixing a machining object, enabling the machining object to occupy a correct position and facilitating construction.

But present multiaxis drilling machine boring grab can't be quick carry out the centre gripping to the machined part when using the in-process to some ring dish parts (shown in figure 2) side table wall when driling, and can't the automatic adjustment its position of punching, needs workman manual adjustment, has reduced machining efficiency, need change different anchor clamps when carrying out the centre gripping to the part of different diameter sizes moreover, wastes time and energy, influences machining efficiency.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a drilling clamp for a multi-spindle drilling machine, which solves the problems that a workpiece cannot be quickly clamped when the side surface wall of some circular disc parts is drilled, the drilling position of the workpiece cannot be automatically adjusted, the workpiece needs to be manually adjusted by a worker, the machining efficiency is reduced, and the machining efficiency is influenced because different clamps need to be replaced when the parts with different diameters are clamped, so that time and labor are wasted.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a drilling clamp for a multi-spindle drilling machine comprises a base, wherein a first support plate is fixedly connected to the left portion of the upper end face of the base through a support leg, a first rotating shaft is connected to the right end face of the first support plate in a penetrating and rotating mode, first support rods are rotatably connected to the right portion of the outer surface wall of the first rotating shaft in an equidistant mode through the circumference of first lugs, one end, far away from the first lugs, of each first support rod is rotatably connected with a first ejector block through second lugs, the right portion of the upper end face of the base is symmetrically and fixedly connected with convex plates, slide rods are fixedly connected between the convex plates and provided with two slide rods, sliding sleeves are slidably connected to the outer portions of the slide rods, second support plates are fixedly connected to the upper end faces of the slide sleeves, a second rotating shaft is rotatably connected to the left end face of each second support plate, the left portion of the outer surface wall of each second rotating shaft is rotatably connected with second support rods in an equidistant mode through third lugs, and one end, far away from the third lugs, of each second support rod is rotatably connected with a second ejector block through a fourth lug; the utility model discloses a quick-witted base, including base up end, base, slide bar, mount, screw sleeve piece, base up end left part symmetry fixedly connected with slide bar, the outside sliding connection of slide bar has a platform, the base up end left part is through the first driving motor of mount fixedly connected with, first driving motor is through the coaxial fixedly connected with lead screw of output shaft, the outside threaded connection of lead screw has the screw sleeve piece, screw sleeve piece rear end face fixed connection be in terminal surface before the platform, a platform right-hand member face fixedly connected with Y shaped plate.

Preferably, the Y-shaped plate right-hand member face fixedly connected with second driving motor, second driving motor passes through the coaxial fixedly connected with drilling rod of output shaft, the coaxial fixedly connected with ratchet of first pivot left part, the terminal surface passes through the first rack of montant fixedly connected with under the Y-shaped plate, first rack with ratchet intermeshing connects.

Preferably, the terminal surface passes through upstand fixedly connected with diaphragm under the Y shaped plate, the first slide of diaphragm up end right part fixedly connected with, the inside sliding connection of first slide has first cylinder, the first reset spring of slide inner chamber upper portion fixedly connected with, first reset spring lower extreme fixed connection be in first cylinder outward appearance wall upper portion, first diaphragm right-hand member face runs through sliding connection has the kelly, kelly left end fixedly connected with connecting plate, the first three hornblocks of connecting plate up end fixedly connected with, first cylinder laminating is in first three hornblock upper portion, terminal surface left part fixedly connected with second slide under the diaphragm, the inside sliding connection of second slide has the second cylinder, second slide inner chamber lower part fixedly connected with second reset spring, second reset spring upper end fixed connection be in the outer table wall lower part of second cylinder, terminal surface fixedly connected with second triangle piece under the connecting plate, the laminating of second cylinder is in the three horn block lower parts of second.

Preferably, first kicking block outer wall registrates and is connected with ring dish part body, the card hole has been seted up to ring dish part body left end face circumference equidistance, card hole diameter size with kelly diameter size matches each other.

Preferably, the right end face of the first ejector block is fixedly connected with a clamping block, the left end face of the second ejector block is provided with a clamping groove, and the clamping block is matched with the clamping groove in shape and size.

Preferably, the first rotating shaft and the second rotating shaft are provided with guide sliding grooves in equal circumferential and equal intervals, sliding rings are connected inside the guide sliding grooves in a sliding mode through sliding blocks, the outer surface wall of each sliding ring is fixedly connected with fixing columns through fixing rods, clamping pieces are fixedly connected to one ends, far away from the sliding rings, of the fixing columns, the clamping pieces are four in number, screw rods are connected to the upper portions of the outer surface walls of the first rotating shaft and the second rotating shaft through threaded blocks and threads, and one ends of the screw rods are rotatably connected to the upper portions of the outer surface walls of the sliding rings through rotating blocks.

Preferably, the right end face of the second support plate is fixedly connected with a second rack, the right part of the upper end face of the base is fixedly connected with a third driving motor through an L-shaped rod, the third driving motor is fixedly connected with a worm through an output shaft, and the worm is meshed with the second rack.

Preferably, guide grooves are formed in the front end face and the rear end face of the second rack, guide blocks are slidably connected inside the guide grooves, and the lower end faces of the guide blocks are fixedly connected to the upper end face of the base through fixing plates.

Advantageous effects

The invention provides a drilling clamp for a multi-spindle drilling machine. The method has the following beneficial effects:

(1) This drilling jig for multi-axis drilling machine, it is outside to embolia first kicking block through the ring dish part body that will treat processing, then start third driving motor and drive the worm and rotate, the worm then drives the second rack and removes left, and then promote the second extension board and remove left, make second kicking block and first kicking block joint each other together, then the second extension board continues to promote left and makes first branch and second branch receive the extrusion and expand, and then can follow the ring dish inside and tightly support and fix, thereby can carry out quick centre gripping to the ring dish of different diameter sizes and fix, time saving and labor saving, and the machining efficiency is improved.

(2) The drilling fixture for the multi-spindle drilling machine drives the screw rod to rotate by starting the first driving motor, so as to drive the threaded sleeve block to descend, further drive the support table to descend, further drive the Y-shaped plate to move downwards, the Y-shaped plate drives the first rack to move downwards in the descending process, so that the first rack is meshed with the ratchet mechanism, the first rack does not drive the first rotating shaft to rotate at the moment by utilizing the characteristic that the ratchet mechanism can only rotate in one direction, the transverse plate is driven to move downwards by the vertical column while the Y-shaped plate moves downwards, further the first sliding seat is driven to move downwards, so that the first cylinder is abutted against the upper part of the first triangular block, the first triangular block is extruded in the process of moving downwards by utilizing the shape of the first triangular block, the first triangular block moves rightwards, further the clamping rod is driven to move rightwards, and the clamping rod is inserted into the clamping hole in the side wall of the circular ring disc part body, thereby fixing the circular ring disc part body to prevent the circular ring disc part body from rotating, then the Y-shaped plate continuously descends to drive the second driving motor to move downwards, thereby enabling the drill rod to be inserted into the side surface wall of the circular ring disc body, thereby being capable of punching the side surface wall of the circular ring disc, after punching is finished, the first driving motor is controlled to reversely rotate to drive the thread sleeve block to move upwards, thereby driving the Y-shaped plate to ascend, the Y-shaped plate drives the transverse plate to ascend through the vertical column, thereby driving the first sliding seat and the second sliding seat to ascend, the first cylinder and the first triangular block in the first sliding seat are mutually separated, then the second cylinder and the second triangular block in the second sliding seat are mutually attached together, thereby extruding the second triangular plate, so that the second triangular plate moves leftwards, thereby pulling the inserted rod to move leftwards, and enabling the inserted rod to be separated from the clamping hole on the side wall of the circular ring disc part body, then the Y shaped plate continues to rise and drives first rack through the montant again and rise, first rack drives ratchet again and rotates, and then drives first pivot and rotate, thereby make ring dish part body rotate, thereby the drilling position has been adjusted automatically, then the decline of rethread first driving motor control Y shaped plate, thereby action when the descending of the foretell Y shaped plate of repetition, thereby accomplish drilling, the Y shaped plate of controlling again after the drilling is accomplished rises, the ascending action of the foretell Y shaped plate of repetition, thereby the drilling position of automatic adjustment, time and labor are saved, and the machining efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a circular disc part body according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of the joint of the first top block and the second top block of the present invention;

FIG. 4 is an enlarged view of the mounting structure of the joint between the first triangle and the first cylinder according to the present invention;

FIG. 5 is an enlarged view of the cross plate mounting structure of the present invention;

FIG. 6 is an enlarged view of the connection between the worm and the second rack of the present invention;

FIG. 7 is an enlarged view of the connection between the first rack and the ratchet mechanism according to the present invention.

In the figure: 1-base, 2-first support plate, 3-first pivot, 4-first lug, 5-first strut, 6-second lug, 7-first ejector block, 8-slide bar, 9-slide sleeve, 10-second support plate, 11-second pivot, 12-third lug, 13-second strut, 14-fourth lug, 15-second ejector block, 16-slide bar, 17-support table, 18-first drive motor, 19-lead screw, 20-screw block, 21-Y plate, 22-second drive motor, 23-drill rod, 24-ratchet mechanism, 25-first rack, 26-transverse plate, 27-first slide, 28-first cylinder, 29-first return spring, 30-clamp rod, 31-connecting plate, 32-first triangular block, 33-second slide, 34-second cylinder, 35-second return spring, 36-second triangular block, 37-circular ring plate body, 38-clamp hole, 38-40-clamp hole, 39-40-guide groove, 39-guide groove, 43-second slide groove, 43-guide groove, 43-second slide groove, 26-first slide groove, 26-second slide groove, and guide groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a drilling clamp for a multi-spindle drilling machine comprises a base 1, wherein the left part of the upper end surface of the base 1 is fixedly connected with a first support plate 2 through a support leg, the right end surface of the first support plate 2 is connected with a first rotating shaft 3 in a penetrating and rotating mode, the right part of the outer surface wall of the first rotating shaft 3 is connected with first support rods 5 in a rotating mode through a first lug 4 in a circumferential and equidistant mode, one ends, far away from the first lug 4, of the first support rods 5 are connected with first ejector blocks 7 in a rotating mode through second lugs 6, the right part of the upper end surface of the base 1 is symmetrically and fixedly connected with convex plates, slide rods 8 are fixedly connected between the convex plates, the slide rods 8 are provided with two slide rods, slide sleeves 9 are connected outside the slide rods 8 in a sliding mode, the upper end surface of each slide sleeve 9 is fixedly connected with a second support plate 10, the left end surface of each second support plate 10 is connected with a second rotating shaft 11 in a rotating mode through a third lug 12 in a circumferential and equidistant mode, and rotating mode, one end, far away from the third lug 12, of each second support rod 13 is connected with a second ejector block 15 in a rotating mode through a fourth lug 14; the symmetrical fixedly connected with slide bar 16 of base 1 up end left part, the outside sliding connection of slide bar 16 has a platform 17, the first driving motor 18 of mount fixedly connected with is passed through to base 1 up end left part, first driving motor 18 is through the coaxial fixedly connected with lead screw 19 of output shaft, the outside threaded connection of lead screw 19 has screw thread cover 20, terminal surface before a platform 17 is connected to screw thread cover 20 rear end fixed connection, a platform 17 right-hand member face fixedly connected with Y shaped plate 21.

Wherein, the right end face of the Y-shaped plate 21 is fixedly connected with a second driving motor 22, the second driving motor 22 is coaxially and fixedly connected with a drill rod 23 through an output shaft, the left part of the first rotating shaft 3 is coaxially and fixedly connected with a ratchet mechanism 24, the lower end face of the Y-shaped plate 21 is fixedly connected with a first rack 25 through a vertical rod, the first rack 25 is meshed with the ratchet mechanism 24, the lower end face of the Y-shaped plate 21 is fixedly connected with a transverse plate 26 through a vertical column, the right part of the upper end face of the transverse plate 26 is fixedly connected with a first slide carriage 27, the first slide carriage 27 is internally and slidably connected with a first cylinder 28, the upper part of the inner cavity of the slide carriage is fixedly connected with a first return spring 29, the lower end of the first return spring 29 is fixedly connected with the upper part of the outer wall of the first cylinder 28, the right end face of the first support plate 2 is connected with a clamping rod 30 through and slidably, the left end of the clamping rod 30 is fixedly connected with a connecting plate 31, the upper end face of the connecting plate 31 is fixedly connected with a first triangular block 32, the first cylinder 28 is attached to the upper part of the first triangular block 32, the left part of the lower end surface of the transverse plate 26 is fixedly connected with a second slide seat 33, the inner part of the second slide seat 33 is connected with a second cylinder 34 in a sliding way, the lower part of the inner cavity of the second slide seat 33 is fixedly connected with a second reset spring 35, the upper end of the second reset spring 35 is fixedly connected with the lower part of the outer wall of the second cylinder 34, the lower end surface of the connecting plate 31 is fixedly connected with a second triangular block 36, the second cylinder 34 is attached to the lower part of the second triangular block 36, the outer wall of the first ejector block 7 is sleeved and connected with a circular disc part body 37, the circumference of the left end surface of the circular disc part body 37 is equidistantly provided with clamping holes 38, the diameter size of the clamping holes 38 is mutually matched with the diameter size of the clamping rod 30, the right end surface of the first ejector block 7 is fixedly connected with a clamping block 39, the left end surface of the second ejector block 15 is provided with a clamping groove 40, the clamping block 39 is mutually matched with the shape and size of the clamping groove 40, the outer surface walls of the first rotating shaft 3 and the second rotating shaft 11 are equally circumferentially provided with guide chutes 41, the inside sliding ring 42 that has through slider sliding connection of direction spout 41, sliding ring 42 outward appearance wall has fixed column 43 through dead lever fixedly connected with, fixed column 43 keeps away from sliding ring 42's one end fixedly connected with clamping piece 44, clamping piece 44 is provided with four, first pivot 3 all has screw rod 45 with 11 outward appearance wall upper portions of second pivot through threaded block threaded connection, screw rod 45 one end rotates through the turning block and connects on sliding ring 42 outward appearance wall upper portion, second extension board 10 right-hand member face fixedly connected with second rack 46, base 1 up end right part is through L shape pole fixedly connected with third driving motor 47, third driving motor 47 is through output shaft fixedly connected with worm 48, worm 48 is connected with second rack 46 intermeshing, guide way 49 has all been seted up to second rack 46 front end face and rear end face, guide way 49 inside sliding connection has guide block 50, the terminal surface passes through fixed plate fixed connection at base 1 up end face under the guide block 50.

When the rapid clamping device works, the circular ring disc part body 37 to be processed is sleeved outside the first ejector block 7, then the third driving motor 47 is started to drive the worm 48 to rotate, the worm 48 further drives the second rack 46 to move leftwards, and further drives the second support plate 10 to move leftwards, so that the second ejector block 15 and the first ejector block 7 are mutually clamped together, then the second support plate 10 is continuously pushed leftwards, so that the first support rod 5 and the second support rod 13 are extruded to expand, and further can tightly abut against and fix from the inside of the circular ring disc, so that circular ring discs with different diameters can be rapidly clamped and fixed, time and labor are saved, the processing efficiency is improved, then the screw 45 is rotated to drive the sliding rings 42 to mutually approach and further drive the clamping pieces 44 to mutually approach, so that the side wall of the circular ring disc part body 37 can be clamped and fixed, and then the screw rod 19 is driven to rotate by starting the first driving motor 18, and then the threaded sleeve block 20 is driven to descend, and then the supporting platform 17 is driven to descend, and then the Y-shaped plate 21 is driven to move downwards, the Y-shaped plate 21 drives the first rack 25 to move downwards in the descending process, so that the first rack 25 is meshed with the ratchet mechanism 24, and the ratchet mechanism 24 can only rotate in one direction, so that the first rack 25 does not drive the first rotating shaft 3 to rotate at the moment, the Y-shaped plate 21 moves downwards, and simultaneously drives the transverse plate 26 to move downwards through the vertical column, and further drives the first sliding seat 27 to move downwards, so that the first cylinder 28 is supported on the upper part of the first triangular block 32, and the first triangular block 32 is extruded in the process of moving downwards of the first cylinder 28 by utilizing the shape of the first triangular block 32, so that the first triangular block 32 moves rightwards, and further drives the clamping rod 30 to move rightwards, so that the clamping rod 30 is inserted into the clamping hole 38 on the side wall of the circular disc part body 37, thereby can fix ring dish part body 37 and prevent its rotation, then Y shaped plate 21 continues to descend and drives second driving motor 22 to move down, thereby make drilling rod 23 inject in the side table wall of ring dish body, thereby can punch ring dish side table wall, control first driving motor 18 again and reverse the rotation and drive screw sleeve 20 and shift up after punching, and then drive Y shaped plate 21 and rise, Y shaped plate 21 drives diaphragm 26 through the upstand and rises, and then drive first slide 27 and second slide 33 and rise, first cylinder 28 and first triangle 32 of first slide 27 inside break away from each other, then second cylinder 34 and second triangle 36 of second slide 33 inside paste together each other, thereby extrude the second triangle, make the second triangle move left, and then pull the inserted bar and move left, make the inserted bar break away from the card hole 38 of ring dish part body 37 side wall, then Y shaped plate 21 continues to rise again through the montant drive first rack 25 to rise, first triangle 25 drives ratchet mechanism 24 again, and then drive drilling mechanism 24 to rotate rack, and then drive first rotating shaft rotation adjustment, thereby the Y shaped plate 21 rotates again and controls the Y shaped plate 21 to move again, thereby the motion of Y shaped plate 21 and the motion is controlled again, thereby the automatic drilling is gone down again, thereby the last round-shaped plate 21 has improved. The circular disc part positioning and clamping device can be used for quickly positioning and clamping circular disc parts with different diameters, is time-saving and labor-saving, improves the machining efficiency, and can also be used for drilling the outer side wall of the circular disc part and automatically adjusting the drilling position, so that the machining efficiency is improved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the same.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boring grab for multi-spindle drilling machine, includes base (1), its characterized in that: the left part of the upper end surface of the base (1) is fixedly connected with a first supporting plate (2) through a supporting leg, the right end surface of the first supporting plate (2) is connected with a first rotating shaft (3) in a penetrating and rotating mode, the right part of the outer surface wall of the first rotating shaft (3) is connected with a first supporting rod (5) in a rotating mode through a first lug (4) in an equidistance mode in a circumferential and rotating mode, one end, far away from the first lug (4), of the first supporting rod (5) is connected with a first ejecting block (7) in a rotating mode through a second lug (6) in a rotating mode, the right part of the upper end surface of the base (1) is symmetrically and fixedly connected with protruding plates, sliding rods (8) are fixedly connected between the protruding plates, two sliding rods (8) are arranged, a sliding sleeve (9) is connected to the outer portion of each sliding rod (8) in a sliding mode, a second supporting plate (10) is fixedly connected to the upper end surface of the second supporting plate (10) in a rotating mode, a second rotating shaft (11) is connected with a left part of the outer surface wall of the second rotating shaft (11) through a third lug (12) in a rotating mode through a second ejecting block (14) in a rotating mode through a fourth lug (14) in an equidistance mode; the left part of the upper end face of the base (1) is symmetrically and fixedly connected with a sliding rod (16), the outer part of the sliding rod (16) is connected with a supporting table (17) in a sliding manner, the left part of the upper end face of the base (1) is fixedly connected with a first driving motor (18) through a fixing frame, the first driving motor (18) is coaxially and fixedly connected with a screw rod (19) through an output shaft, the outer part of the screw rod (19) is in threaded connection with a threaded sleeve block (20), the rear end face of the threaded sleeve block (20) is fixedly connected with the front end face of the supporting table (17), and the right end face of the supporting table (17) is fixedly connected with a Y-shaped plate (21);

the right end face of the Y-shaped plate (21) is fixedly connected with a second driving motor (22), the second driving motor (22) is coaxially and fixedly connected with a drill rod (23) through an output shaft, the left portion of the first rotating shaft (3) is coaxially and fixedly connected with a ratchet mechanism (24), the lower end face of the Y-shaped plate (21) is fixedly connected with a first rack (25) through a vertical rod, and the first rack (25) and the ratchet mechanism (24) are meshed and connected with each other;

the lower end face of the Y-shaped plate (21) is fixedly connected with a transverse plate (26) through a vertical column, the right part of the upper end face of the transverse plate (26) is fixedly connected with a first sliding seat (27), the inside of the first sliding seat (27) is slidably connected with a first cylinder (28), the upper part of an inner cavity of the sliding seat is fixedly connected with a first reset spring (29), the lower end of the first reset spring (29) is fixedly connected to the upper part of the outer surface wall of the first cylinder (28), the right end face of the first supporting plate (2) is slidably connected with a clamping rod (30) in a penetrating manner, the left end of the clamping rod (30) is fixedly connected with a connecting plate (31), the upper end face of the connecting plate (31) is fixedly connected with a first triangular block (32), the first cylinder (28) is attached to the upper part of the first triangular block (32), the left part of the lower end face of the transverse plate (26) is fixedly connected with a second sliding seat (33), the inside of the second sliding seat (33) is slidably connected with a second cylinder (34), the lower part of the inner cavity of the second sliding seat (33) is fixedly connected with a second reset spring (35), the upper end face of the second reset spring (35) is fixedly connected to the lower part of the second triangular block (34), and the connecting plate (36) is fixedly connected to the lower part of the outer surface of the second triangular block (31);

the outer wall of the first ejector block (7) is connected with a circular disc part body (37) in a sleeved mode, clamping holes (38) are formed in the circumference of the left end face of the circular disc part body (37) at equal intervals, and the diameter size of each clamping hole (38) is matched with that of each clamping rod (30);

the outer surface wall of the first rotating shaft (3) and the second rotating shaft (11) is provided with guide sliding grooves (41) at equal intervals on the circumference, the inside of each guide sliding groove (41) is connected with a sliding ring (42) in a sliding mode through a sliding block, the outer surface wall of each sliding ring (42) is fixedly connected with a fixing column (43) through a fixing rod, one end, far away from the sliding ring (42), of each fixing column (43) is fixedly connected with clamping sheets (44), the number of the clamping sheets (44) is four, the outer surface wall upper portions of the first rotating shaft (3) and the second rotating shaft (11) are connected with a screw rod (45) through thread blocks in a threaded mode, and one end of the screw rod (45) is rotatably connected to the outer surface wall upper portion of the sliding ring (42) through a rotating block.

2. The drilling jig for a multiple spindle drilling machine according to claim 1, characterized in that: the right end face of the first ejector block (7) is fixedly connected with a clamping block (39), the left end face of the second ejector block (15) is provided with a clamping groove (40), and the clamping block (39) is matched with the clamping groove (40) in shape and size.

3. The drill jig for a multi-spindle drill press as set forth in claim 1, wherein: the right end face of the second support plate (10) is fixedly connected with a second rack (46), the right portion of the upper end face of the base (1) is fixedly connected with a third driving motor (47) through an L-shaped rod, the third driving motor (47) is fixedly connected with a worm (48) through an output shaft, and the worm (48) is meshed with the second rack (46) and connected with each other.

4. The drilling jig for a multiple spindle drilling machine according to claim 3, characterized in that: guide way (49) have all been seted up with the rear end face to terminal surface before second rack (46), the inside sliding connection of guide way (49) has guide block (50), the terminal surface passes through fixed plate fixed connection under guide block (50) base (1) up end.