CN111633923A

CN111633923A - Injection mold convenient for demolding

Info

Publication number: CN111633923A
Application number: CN202010516656.4A
Authority: CN
Inventors: 姚政; 初丽萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2020-09-08

Abstract

The invention discloses an injection mold convenient for demolding, which comprises a base, an electric telescopic rod, an upper grinding tool and a lower mold, wherein two sides of the bottom end of the base are fixedly provided with supporting legs, two sides of the outer surface of the top end of the base are fixedly provided with a frame body, the top end of the frame body is fixedly welded with an upper table top, the outer surfaces of two sides of the frame body are inserted with rotating rods through bearings, the left side of each rotating rod is fixedly provided with a rotating disc, the outer surface of the left side of each rotating disc is fixedly provided with a handle, the other end of each rotating rod is arranged on the inner wall of the frame body through a bearing, and the. According to the invention, the lower die generates vibration by beating, and when the lower die generates vibration, the casting in the lower die is slowly separated from the inner part of the lower die, so that the casting is not adhered to the inner wall of the lower die, therefore, the casting can be conveniently taken out by people, the casting cannot be damaged when being taken out, and the invention has the advantages of simple operation and strong practicability.

Description

Injection mold convenient for demolding

Technical Field

The invention relates to the technical field of injection molds, in particular to an injection mold convenient for demolding.

Background

The injection molding is realized by an injection molding machine and a die, but the traditional connecting pipe comprises a copper pipe, a high-temperature resistant pipeline and a plastic pipe with a metal joint at the end part, and the pipes have the defects of long manufacturing time, troublesome working procedure, high manufacturing cost and poor product quality stability, particularly the deviation phenomenon of a central hole of the section of the pipe in the traditional production mode, and the hidden danger of easy falling between the joint and the pipe.

For example, the invention disclosed in the publication No. CN102990865A, the injection mold for the pipe has the advantages of ensuring that the center hole of the section of the pipe does not deviate, removing the falling problem caused by a plurality of processes, reducing the manufacturing cost and improving the production efficiency, thereby solving the problems, but the mold is required to be tested again after the mold is disassembled every time; the movable core insert is removed and replaced off-line, so that labor and time are wasted, the efficiency is low, and the cost is high; therefore, the prior art has the problems and disadvantages of labor and time waste, low efficiency and high cost;

for another example, the invention disclosed in the publication No. CN110385831A, the device for quickly replacing the movable insert block of the injection mold manually extracts the movable core from the upper part of the movable mold core, so that the movable core of the injection mold can be conveniently and quickly replaced in an on-machine hot mold, and the purposes of saving labor hour, improving efficiency and reducing cost are achieved, thereby solving the problems, and therefore, the existing injection mold basically meets the requirements of people, but still has some problems;

the existing injection mold generally ejects a casting in the mold through an ejector rod, but the casting is possibly adhered to the mold when the casting is changed from liquid to be fixed, and the casting is possibly damaged due to the adhesion of the casting to the mold during ejection, so that the new manufacturing is needed, and resources and time are wasted.

Therefore, it is necessary to provide an injection mold which is easy to release from the mold to solve the above problems.

Disclosure of Invention

The invention aims to provide an injection mold convenient for demolding, which aims to solve the problem that a casting is damaged when the casting is stuck on the mold and taken out.

In order to achieve the purpose, the invention provides the following technical scheme: a mold for injection molding convenient for demolding comprises a base, an electric telescopic rod, an upper grinding tool and a lower mold, wherein supporting legs are fixedly arranged on two sides of the bottom end of the base, a frame body is fixedly arranged on two sides of the outer surface of the top end of the base, an upper table top is fixedly welded on the top end of the frame body, rotating rods are inserted into the outer surfaces of two sides of the frame body through bearings, a turntable is fixedly arranged on the left side of each rotating rod, a handle is fixedly arranged on the outer surface of the left side of the turntable, the other end of each rotating rod is arranged on the inner wall of the frame body through a bearing, a first bevel gear is fixedly sleeved on the outer surface of the top end of the rotating rod, a support column is fixedly arranged on the outer surface of the top end of the support column, a sleeve is fixedly, the top of bracing piece installs the second bevel gear through the bearing, the top surface fixed mounting of second bevel gear has first disc, the top surface of first disc is provided with drags the mechanism, drag the mechanism and hit to hit and beat the mechanism and be connected, the top fixed mounting of base has the operation panel, hit installing in the inside of last mesa and operation panel of hitting the mechanism, the both sides of operation panel all fixed mounting have the erection column, the top fixed mounting of erection column has the roof, the bottom surface fixed mounting of roof has electric telescopic handle, electric telescopic handle's output fixed mounting has last grinding apparatus, the top fixed mounting of operation panel has the bed die, the surface fixed mounting of dwang has, the top surface fixed mounting of base has, the bottom fixed mounting of going up the mesa has hollow column section of thick bamboo, the hollow column casing is characterized in that a second disc is sleeved inside the hollow column casing in a wrapping mode through a bearing, a tooth socket is formed in the outer surface of the second disc, a threaded screw rod is fixedly installed at the top end of the second disc, a screw rod sleeve is movably sleeved on the outer surface of the threaded screw rod in a wrapping mode, two sides of the screw rod sleeve are fixedly inserted into slots formed in the upper table top and the operating table, and an ejector rod is fixedly installed at the top end of the screw rod sleeve.

Preferably, the landing leg is provided with two sets ofly, every group the landing leg is provided with two sets ofly, the bottom of landing leg is provided with the supporting pad, and the material of supporting pad sets up to the rubber material.

Preferably, the round hole that the cooperation dwang runs through is seted up in the left side of support body, the shape of carousel sets up to circular, the surface of handle sets up to the hexagon, the surface cover of dwang has the bearing, and bearing fixed mounting is in the inner wall of support body.

Preferably, the sleeve is circular, the inner diameter of the ball bearing is equal to the inner diameter of the rotating rod, the outer surface of the first bevel gear is meshed with the outer surface of the second bevel gear, and the first disc is circular.

Preferably, it includes fixed block, turning block, nut, hex bolts, mounting groove, rotor ball and pulls the pole to pull the mechanism, the fixed surface installs the fixed block on the top of first disc, the turning block is installed through the bearing in the top of fixed block, the right side fixed mounting of turning block has the nut, the inside of nut is inserted and is equipped with the hex bolts, the mounting groove has been seted up to the inside of turning block, the inside movable mounting of mounting groove has the rotor ball, the top fixed mounting of rotor ball has the pole of pulling.

Preferably, fixed block and turning block are provided with two sets ofly, another group the right side fixed mounting of turning block has the nut, the turning block passes through the bearing and constitutes revolution mechanic with the fixed block, the shape of mounting groove sets up to spherical, the shape of turning ball sets up to the spheroid, the internal diameter size of turning ball and the external diameter size phase-match of turning ball, it sets up to the slope form to drag the pole.

Preferably, include stopper, carriage release lever, limiting plate, hit the chamber, reset spring, spring mounting panel, hit the beater and hit the pad, go up the mesa and open and shut with the inside of operation panel and hit the chamber, hit the equal fixed mounting of inner wall in chamber and have the limiting plate, the inside of limiting plate is inserted and is equipped with the carriage release lever, the bottom fixed mounting of carriage release lever has the stopper, the top of stopper is connected with the pull rod through the bearing, the top fixedly connected with reset spring of limiting plate, reset spring's other end fixed connection spring mounting panel, and spring mounting panel and carriage release lever fixed connection, the top fixed surface of spring mounting panel installs the beater, the top fixed surface of beater installs and hits the pad.

Preferably, both ends of the upper grinding tool are provided with round holes, and the upper grinding tool is sheathed on the outer surface of the mounting column through the round holes.

Preferably, drive mechanism including interior rolling disc, spine groove, outer rolling disc, rotation lug, fixed plate, spring leaf, ratchet, fixed stop and tooth piece, the outer fixed surface of dwang installs interior rolling disc, the fixed welding of the inner wall of interior rolling disc has spine groove, the top surface mounting of base has the mounting, outer rolling disc passes through the bearing and installs in the left side of mounting, the left side fixed mounting of outer rolling disc has the rotation lug, the outer fixed surface of rotation lug installs the fixed plate, the right side fixed mounting of fixed plate has the spring leaf, and the other end of spring leaf is connected with the ratchet, the ratchet passes through the bearing and installs in the surface of rotating the lug, the outer fixed surface of rotating the lug installs fixed stop, the outer wall fixed mounting of outer rolling disc has the tooth piece.

Preferably, the outer surface of the threaded screw rod is provided with external threads, the inner wall of the screw rod sleeve is provided with internal threads, and the threaded screw rod is connected with the screw rod sleeve through threads.

Compared with the prior art, the invention has the beneficial effects that:

1. this mould for injection moulding convenient to drawing of patterns, will drive the pulling and reciprocate when rotating the carousel clockwise through holding the grip, will hit the surface of bed die when reciprocating and hit, make the bed die produce vibrations through hitting, will make the inside foundry goods slowly break away from the inside of bed die when the bed die produces vibrations, make the foundry goods not paste with the inner wall of bed die, so can be convenient for people take out the foundry goods, can not cause the condition of foundry goods damage when taking out, and easy operation, therefore, the clothes hanger is strong in practicability, and can not produce great noise when hitting the bed die through hitting the setting of hitting the pad, make operating personnel can not feel the uncomfortable condition.

2. This mould for injection moulding convenient to drawing of patterns, will drive when rotating the carousel through holding the handle anticlockwise and rotate, will drive hollow cylinder when rotating and rotate, will drive the knockout pin through screw lead screw and lead screw cover when hollow cylinder rotates and rise, thereby can take out the foundry goods after the vibrations, avoided the manual work to take out, the degree of difficulty of taking out the foundry goods has been reduced, and the foundry goods temperature is higher when just shaping, the condition of scalding appears very easily when the manual work takes out, cause personnel injured's problem.

Drawings

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

FIG. 2 is a schematic side view of the structure of the support post of the present invention;

FIG. 3 is a schematic top view of the first disk of the present invention;

FIG. 4 is a schematic side sectional view of the structure of the transmission mechanism of the present invention;

FIG. 5 is a schematic bottom view of the hollow column according to the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 7 is an enlarged view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a support leg; 3. a frame body; 4. an upper table top; 5. rotating the rod; 6. a turntable; 7. a grip; 8. a first bevel gear; 9. a support pillar; 10. a sleeve; 11. a ball bearing; 12. a support bar; 13. a second bevel gear; 14. a first disc; 15. a pulling mechanism; 151. a fixed block; 152. rotating the block; 153. a nut; 154. a hexagon bolt; 155. mounting grooves; 156. rotating the ball; 157. pulling the rod; 16. a striking mechanism; 161. a limiting block; 162. a travel bar; 163. a limiting plate; 164. a striking chamber; 165. a return spring; 166. a spring mounting plate; 167. a striking rod; 168. a strike pad; 17. an operation table; 18. mounting a column; 19. an upper top plate; 20. an electric telescopic rod; 21. an upper grinding tool; 22. a lower die; 23. a transmission mechanism; 231. an inner rotating disk; 232. a ratchet groove; 233. an outer rotating disk; 234. rotating the projection; 235. a fixing plate; 236. a spring plate; 237. a ratchet; 238. fixing a baffle plate; 239. a tooth block; 24. a hollow column; 25. a second disc; 26. a tooth socket; 27. a threaded lead screw; 28. a screw rod sleeve; 29. and ejecting the rod.

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, an embodiment of the present invention is shown:

a mold for injection molding convenient for demolding comprises a base 1, an electric telescopic rod 20, an upper grinding tool 21 and a lower mold 22, wherein two sides of the bottom end of the base 1 are fixedly provided with supporting legs 2, two groups of supporting legs 2 are arranged in each group, the bottom end of each supporting leg 2 is provided with a supporting pad, and the supporting pad is made of rubber, the stability of the device can be enhanced through the arrangement of the supporting legs 2, and the situation of shaking caused by accidents of the device can be avoided through the arrangement of the supporting pads, the problem of casting failure caused by shaking during grouting is solved, a frame body 3 is fixedly arranged on two sides of the outer surface of the top end of a base 1, an upper table top 4 is fixedly welded on the top end of the frame body 3, rotating rods 5 are inserted into the outer surfaces of the two sides of the frame body 3 through bearings, a rotating disc 6 is fixedly arranged on the left side of each rotating rod 5, and a handle 7 is fixedly arranged on the outer surface of the left side of each rotating disc 6;

the left side of the frame body 3 is provided with a round hole which is matched with the rotating rod 5 to penetrate through, the shape of the rotating disk 6 is set to be circular, the outer surface of the handle 7 is set to be hexagonal, the outer surface of the rotating rod 5 is wrapped with a bearing, the bearing is fixedly arranged on the inner wall of the frame body 3, the rotating disk 6 can drive the rotating rod 5 to rotate when rotating through the arrangement of the round hole, the rotating disk 6 and the handle 7 are arranged in an eccentric shaft manner, other parts can be driven to transmit through the arrangement of the rotating rod 5, the other end of the rotating rod 5 is arranged on the inner wall of the frame body 3 through the bearing, the outer surface of the rotating rod 5 is wrapped with a first bevel gear 8, the outer surface of the top end of the base 1 is fixedly provided with a support column 9, the top end of the support column 9 is fixedly welded with a sleeve, a second bevel gear 13 is arranged at the top end of the support rod 12 through a bearing, and a first disc 14 is fixedly arranged on the outer surface of the top end of the second bevel gear 13;

the shape of the sleeve 10 is circular, the inner diameter of the ball bearing 11 is equal to the built-in size outside the rotating rod 5, the outer surface of the first bevel gear 8 is meshed with the outer surface of the second bevel gear 13, the shape of the first disk 14 is circular, the arrangement of the sleeve 10 and the ball bearing 11 can enable the support column 9 to support the second bevel gear 13 without influencing the normal rotation of the rotating rod 5, so that the rotating rod 5 cannot influence the normal transmission of other parts, the arrangement of the first bevel gear 8 and the second bevel gear 13 can enable the rotating rod 5 to drive the first bevel gear 8 to rotate when rotating, the first bevel gear 8 can be driven to rotate when rotating, and the first disk 14 can be driven to rotate when rotating the second bevel gear 13, so that the transmission capacity is achieved;

the outer surface of the top end of the first disc 14 is provided with a pulling mechanism 15, the pulling mechanism 15 comprises a fixed block 151, a rotating block 152, a nut 153, a hexagon bolt 154, a mounting groove 155, a rotating ball 156 and a pulling rod 157, the outer surface of the top end of the first disc 14 is fixedly provided with the fixed block 151, the top end of the fixed block 151 is provided with the rotating block 152 through a bearing, the right side of the rotating block 152 is fixedly provided with the nut 153, the hexagon bolt 154 is inserted in the nut 153, the inside of the rotating block 152 is provided with the mounting groove 155, the inside of the mounting groove 155 is movably provided with the rotating ball 156, the top end of the rotating ball 156 is fixedly provided with the pulling rod 157, the fixed block 151 and the rotating block 152 are provided with two groups, the right side of the other group of rotating block 152 is fixedly provided with the nut 153, the rotating block 152 and the fixed block 151, the inner diameter of the rotating ball 156 is matched with the outer diameter of the rotating ball 156, the pulling rod 157 is arranged in an inclined shape, the pulling rod 157 can be detached from the first disc 14 through the arrangement of the pulling mechanism 15, the pulling rod 157 can be conveniently detached when damaged or maintained, the time required by maintenance is saved, the pulling rod 157 can flexibly rotate due to the arrangement of the mounting groove 155 and the rotating ball 156, the angle can be changed in various ways, and when the first disc 14 drives the pulling mechanism 15 to rotate circumferentially, the striking mechanism 16 can be driven to move through the flexible rotation of the pulling rod 157;

the pulling mechanism 15 is connected with the striking mechanism 16, the striking mechanism 16 comprises a limiting block 161, a moving rod 162, a limiting plate 163, a striking cavity 164, a return spring 165, a spring mounting plate 166, a striking rod 167 and a striking pad 168, the striking cavity 164 is opened and closed inside the upper table top 4 and the operating table 17, the inner wall of the striking cavity 164 is fixedly provided with the limiting plate 163, the moving rod 162 is inserted inside the limiting plate 163, the limiting block 161 is fixedly mounted at the bottom end of the moving rod 162, the top end of the limiting block 161 is connected with the pulling rod 157 through a bearing, the return spring 165 is fixedly connected at the top end of the limiting plate 163, the other end of the return spring 165 is fixedly connected with the spring mounting plate 166, the spring mounting plate 166 is fixedly connected with the moving rod 162, the striking rod 167 is fixedly mounted on the outer surface of the top end of the spring mounting plate 166, the striking pad 168 is fixedly mounted on the outer surface of the top end of the striking rod 167, the pulling rod, when the moving rod 162 moves, the spring mounting plate 166 can be driven to move, when the spring mounting plate 166 moves, the striking rod 167 is driven to move, when the striking rod 167 moves, the striking pad 168 can be driven to move, when the pulling mechanism 15 rotates until the pulling force disappears, the spring mounting plate 166 can be driven to reset through the elastic deformation of the return spring 165, so that the striking rod 167 also resets, when the striking rod 167 resets, the striking pad 168 can also be driven to reset, so that the outer wall of the lower die 22 can be struck through the resetting, vibration is generated, and a casting is more easily separated from the inner part of the lower die 22;

an operating table 17 is fixedly installed at the top end of the base 1, the striking mechanism 16 is installed inside the upper table top 4 and the operating table 17, mounting columns 18 are fixedly installed at both sides of the operating table 17, an upper top plate 19 is fixedly installed at the top ends of the mounting columns 18, an electric telescopic rod 20 is fixedly installed on the outer surface of the bottom end of the upper top plate 19, an upper grinding tool 21 is fixedly installed at the output end of the electric telescopic rod 20, round holes are formed at both ends of the upper grinding tool 21, the upper grinding tool 21 is sheathed on the outer surface of the mounting columns 18 through the round holes, a lower die 22 is fixedly installed at the top end of the operating table 17, a transmission mechanism 23 is arranged at the top end of the base 1, the transmission mechanism 23 comprises an inner rotating disc 231, a ratchet groove 232, an outer rotating disc 233, a rotating lug 234, a fixing plate 235, spring leaves 236, 237, a fixing baffle 238 and a tooth block 239, an inner rotating disc 231, the outer surface of the top end of the base 1 is provided with a fixed part, the outer rotating disc 233 is arranged on the left side of the fixed part through a bearing, the left side of the outer rotating disc 233 is fixedly provided with a rotating lug 234, the outer surface of the rotating lug 234 is fixedly provided with a fixed plate 235, the right side of the fixed plate 235 is fixedly provided with a spring leaf 236, and the other end of the spring plate 236 is connected with a ratchet 237, the ratchet 237 is mounted on the outer surface of the rotation projection 234 through a bearing, the transmission mechanism 23 is arranged to prevent the rotating rod 5 from ejecting the casting inside the lower die 22 when rotating clockwise, when the rotating lever 5 is rotated counterclockwise the ratchet teeth 237 are pressed against the inside of the ratchet groove 232, when the ratchet teeth 237 are pressed against the inner wall of the ratchet groove 232 by the fixing stop 238, the inner rotary disk 231 rotates the outer rotary disk 233, when the outer rotating disc 233 rotates, the tooth block 239 is driven to rotate, and when the tooth block 239 rotates, other parts are driven to transmit;

the bottom end of the upper table top 4 is fixedly provided with a hollow column barrel 24, the inside of the hollow column barrel 24 is covered with a second disc 25 through a bearing, the outer surface of the second disc 25 is provided with a tooth socket 26, the top end of the second disc 25 is fixedly provided with a threaded lead screw 27, the outer surface of the threaded lead screw 27 is movably covered with a lead screw sleeve 28, two sides of the lead screw sleeve 28 are fixedly inserted into a slot formed in the upper table top 4 and the operation table 17, the top end of the lead screw sleeve 28 is fixedly provided with an ejector rod 29, the outer surface of the threaded lead screw 27 is provided with an external thread, the inner wall of the lead screw sleeve 28 is provided with an internal thread, the threaded lead screw 27 is connected with the lead screw sleeve 28 through a thread, through the arrangement, the tooth block 239 can drive the hollow column barrel 24 to rotate through the tooth socket 26 when rotating, the second disc 25 is driven to rotate when the hollow column barrel 24 rotates, and the second, the screw rod sleeve 28 is driven to rise through the arrangement of threads when the threaded screw rod 27 rotates, the vibrated casting is ejected out when the screw rod sleeve 28 rises, and the situation that personnel are scalded due to the fact that the temperature of the casting is high when the casting is taken manually is avoided.

The working principle is as follows: when the casting is demoulded after being cooled and solidified, the handle 7 is held, then the rotating disc 6 is rotated clockwise, the rotating disc 6 is rotated to drive the rotating rod 5 to rotate, the rotating rod 5 is rotated to drive the first bevel gear 8 to rotate, the first bevel gear 8 is rotated to drive the second bevel gear 13 to rotate, the first disc 14 is rotated when the second bevel gear 13 is rotated, the fixed block 151 is driven to rotate circumferentially when the first disc 14 is rotated, the rotating block 152 is driven to rotate circumferentially when the fixed block 151 is rotated, the pulling rod 157 is driven to pull the limiting block 161 when the rotating block 152 rotates circumferentially, the limiting block 161 moves downwards when being pulled by the pulling rod 157, and when the pulling force disappears, the elastic deformation of the reset spring 165 is used for resetting the spring mounting plate 166 due to the elastic deformation of the reset spring 165, the striking rod 167 and the striking pad 168 are driven to strike the outer wall of the lower die 22, so that vibration is generated, the demolding efficiency can be faster, and the damage to a casting during demolding is avoided;

when the casting needs to be ejected, the handle 7 is held, then the rotating disc 6 is rotated anticlockwise, the rotating disc 6 is rotated to drive the inner rotating disc 231 to rotate, the inner rotating disc 231 is clamped with the ratchet groove 232 through the ratchet 237 when the inner rotating disc 231 rotates, so that the outer rotating disc 233 is driven to rotate, the outer rotating disc 233 is rotated to drive the tooth block 239 to rotate, the tooth block 239 is driven to rotate through the tooth groove 26 when the tooth block 239 rotates, the threaded lead screw 27 is driven to rotate when the second disc 25 rotates, the lead screw sleeve 28 is driven to ascend when the threaded lead screw 27 rotates, the ejector rod 29 is driven to ascend when the lead screw sleeve 28 ascends, and the mold with higher temperature is ejected when the ejector rod 29 ascends.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mould for injection moulding convenient to drawing of patterns, includes base (1), electric telescopic handle (20), goes up grinding apparatus (21) and bed die (22), its characterized in that: the bottom both sides of base (1) all fixed mounting have landing leg (2), the top surface both sides of base (1) all fixed mounting have support body (3), the top fixed welding of support body (3) has last mesa (4), the both sides surface of support body (3) all inserts through the bearing and is equipped with dwang (5), the left side fixed mounting of dwang (5) has carousel (6), the left side fixed mounting of carousel (6) has handle (7), the other end of dwang (5) passes through the bearing and installs the inner wall at support body (3), the external fixed cover of dwang (5) has first bevel gear (8), the top external fixed mounting of base (1) has support column (9), the top fixed welding of support column (9) has sleeve (10), the inside fixed cover of sleeve (10) has ball bearing (11), the utility model discloses a ball bearing, including ball bearing (11), the inside of sleeve (10) is inserted and is equipped with dwang (5), the top fixed mounting of sleeve (10) has bracing piece (12), second bevel gear (13) are installed through the bearing on the top of bracing piece (12), the top fixed surface of second bevel gear (13) installs first disc (14), the top surface of first disc (14) is provided with pulls mechanism (15), pull mechanism (15) and hit and beat the inside of beating mechanism (16) and be connected, the top fixed mounting of base (1) has operation panel (17), hit the inside of installing in last mesa (4) and operation panel (17) of mechanism (16), the both sides of operation panel (17) all fixed mounting have erection column (18), the top fixed mounting of erection column (18) has last roof (19), the bottom fixed surface of going up roof (19) installs electric telescopic handle (20), the utility model discloses a novel electric telescopic handle, including electric telescopic handle (20), the output fixed mounting of operation panel (20) has last grinding apparatus (21), the top fixed mounting of operation panel (17) has bed die (22), the top of base (1) is provided with drive mechanism (23), the bottom fixed mounting of going up mesa (4) has hollow cylinder (24), the inside of hollow cylinder (24) has second disc (25) through the bearing cover, tooth's socket (26) have been seted up to the surface of second disc (25), the top fixed mounting of second disc (25) has screw lead screw (27), the outer surface activity cover of screw lead screw (27) has lead screw cover (28), the both sides of lead screw cover (28) are all fixed inserting and are located the slot that mesa (4) and operation panel (17) were seted up, the top fixed mounting of lead screw cover (28) has ejector pin (29).

2. An injection mold facilitating demolding as claimed in claim 1, wherein: landing leg (2) are provided with two sets ofly, every group landing leg (2) are provided with two sets ofly, the bottom of landing leg (2) is provided with the supporting pad, and the material of supporting pad sets up to the rubber material.

3. An injection mold facilitating demolding as claimed in claim 1, wherein: the round hole that cooperation dwang (5) run through is seted up in the left side of support body (3), the shape of carousel (6) sets up to circular, the surface of handle (7) sets up to the hexagon, the surface cover of dwang (5) has the bearing, and bearing fixed mounting is in the inner wall of support body (3).

4. An injection mold facilitating demolding as claimed in claim 1, wherein: the shape of the sleeve (10) is circular, the inner diameter of the ball bearing (11) is equal to the outer inner diameter of the rotating rod (5), the outer surface of the first bevel gear (8) is meshed with the outer surface of the second bevel gear (13), and the shape of the first disc (14) is circular.

5. An injection mold facilitating demolding as claimed in claim 1, wherein: pull mechanism (15) and include fixed block (151), turning block (152), nut (153), hex bolts (154), mounting groove (155), rolling ball (156) and pull pole (157), the top external fixed surface of first disc (14) installs fixed block (151), turning block (152) are installed through the bearing in the top of fixed block (151), the right side fixed mounting of turning block (152) has nut (153), the inside of nut (153) is inserted and is equipped with hex bolts (154), mounting groove (155) have been seted up to the inside of turning block (152), the inside movable mounting of mounting groove (155) has rolling ball (156), the top fixed mounting of rolling ball (156) has pull pole (157).

6. An injection mold facilitating demolding as claimed in claim 5, wherein: the fixed block (151) and the turning block (152) are provided with two sets, another group the right side fixed mounting of turning block (152) has nut (153), turning block (152) pass through the bearing and constitute revolution mechanic with fixed block (151), the shape of mounting groove (155) sets up to spherical, the shape of turning ball (156) sets up to the spheroid, the internal diameter size of turning ball (156) and the external diameter size phase-match of turning ball (156), it sets up to the slope form to pull pole (157).

7. An injection mold facilitating demolding as claimed in claim 5, wherein: hit mechanism (16) and include stopper (161), carriage release lever (162), limiting plate (163), hit chamber (164), reset spring (165), spring mounting board (166), hit pole (167) and hit and beat pad (168), go up mesa (4) and open and shut with the inside of operation panel (17) and hit chamber (164), the equal fixed mounting of inner wall of hitting chamber (164) has limiting plate (163), the inside of limiting plate (163) is inserted and is equipped with carriage release lever (162), the bottom fixed mounting of carriage release lever (162) has stopper (161), the top of stopper (161) is passed through the bearing and is connected with pulling pole (157), the top fixedly connected with reset spring (165) of limiting plate (163), the other end fixed connection spring mounting board (166) of reset spring (165), and spring mounting board (166) and carriage release lever (162) fixed connection, the top surface fixed mounting of spring mounting panel (166) has hitting pole (167), the top surface fixed mounting of hitting pole (167) hits and fills up (168).

8. An injection mold facilitating demolding as claimed in claim 1, wherein: round holes are formed in two ends of the upper grinding tool (21), and the upper grinding tool (21) is sleeved on the outer surface of the mounting column (18) through the round holes in a wrapping mode.

9. An injection mold facilitating demolding as claimed in claim 1, wherein: the transmission mechanism (23) comprises an inner rotating disc (231), a ratchet groove (232), an outer rotating disc (233), a rotating lug (234), a fixing plate (235), a spring piece (236), a ratchet (237), a fixing baffle (238) and a tooth block (239), the outer surface of the rotating rod (5) is fixedly provided with the inner rotating disc (231), the inner wall of the inner rotating disc (231) is fixedly welded with the ratchet groove (232), the outer surface of the top end of the base (1) is provided with the fixing piece, the outer rotating disc (233) is arranged on the left side of the fixing piece through a bearing, the left side of the outer rotating disc (233) is fixedly provided with the rotating lug (234), the outer surface of the rotating lug (234) is fixedly provided with the fixing plate (235), the right side of the fixing plate (235) is fixedly provided with the spring piece (236), and the other end of the spring piece (236, the ratchet (237) is mounted on the outer surface of the rotating lug (234) through a bearing, a fixed baffle (238) is fixedly mounted on the outer surface of the rotating lug (234), and a tooth block (239) is fixedly mounted on the outer wall of the outer rotating disc (233).

10. An injection mold facilitating demolding as claimed in claim 1, wherein: the outer surface of the threaded screw rod (27) is provided with external threads, the inner wall of the screw rod sleeve (28) is provided with internal threads, and the threaded screw rod (27) is connected with the screw rod sleeve (28) through threads.