Rapid positioning equipment for formwork

By designing the mold frame quick positioning equipment, the automatic correction and rapid positioning of the mold frame is achieved using components such as slides, electromagnetic plates and magnetic blocks, the problem of auxiliary measurement during the mold frame installation is solved, and the installation efficiency and operation ease is improved. .

CN119259946AInactive Publication Date: 2025-01-07YUYAO YUANDA BEARING CO LTD
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Patent Information

Application Number
CN202411369981.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-01-07
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the installation of the mold frame, tools such as a leveling ruler are required to be used for auxiliary measurement, which makes the installation difficult and is especially difficult for novices to operate.

Method used

A mold frame quick positioning device is designed, including a base, a positioning mechanism, a back limiting mechanism and assembly mechanism. Through components such as slide, electromagnetic plate, magnetic block, screw and limiting groove, it uses magnetic adsorption and screw clamping. Mechanism to realize automatic correction and rapid positioning of the mold frame to reduce positioning difficulty.

Benefits of technology

It effectively reduces the difficulty of positioning the mold frame, improves the efficiency of mold frame replacement, simplifies the installation process, and allows novices to quickly position and install the mold frame.

✦ Generated by Eureka AI based on patent content.

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Abstract

The rapid positioning equipment comprises a base, an assembling mechanism, a positioning mechanism, a back limiting mechanism, a pressing block and a mold frame are arranged at the top end of the base at the same time, and a mold handle is fixedly connected to the top end of the mold frame; the positioning mechanism comprises a sliding base fixed to the top end of the base, an electromagnetic plate arranged on the inner wall of the bottom end of the sliding base, a sliding frame connected to the bottom of the mold frame through bolts, a magnetic block fixed to the center of the bottom of the sliding frame and two limiting sleeves arranged at the top end of the sliding base. The support plate is movably connected in the limiting sleeve; the first screw rod is movably meshed in the support plate; and the assembling mechanism comprises two first supporting rods, first limiting grooves are formed in the opposite sides of the two first supporting rods correspondingly, and the first limiting grooves are located outside the die shank. The rapid positioning equipment for the die frame has the effects that the positioning difficulty of the die frame can be reduced to a great extent, rapid positioning is achieved, and the die frame replacement efficiency is effectively optimized.
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Description

Technical Field

[0001] The invention relates to the technical field of mold frame installation, and in particular to a mold frame rapid positioning device. Background Art

[0002] The die frame is the support of the mold. For example, the part that combines and fixes the various parts of the mold according to a certain rule and position on the die-casting machine and enables the mold to be installed on the die-casting machine to work is called the die frame.

[0003] During the installation of the die handle type mold frame, it needs to be placed on the die-casting platform, and limited by pressing it on the lower mold frame through a pressure block, and stably clamped on the outside of the die handle by a clamping device set at the top, so that it is stably connected to the upper mold frame, thereby smoothly driving the upper mold frame to move vertically up and down.

[0004] When installing the mold frame, the mold and mold frame are heavy, so the required pushing force is also large. On this basis, the position of the mold frame needs to be corrected during installation to ensure that the mold handle is located below the clamping device, and the edge of the mold frame needs to be level with the production line. Therefore, during the installation process, it is necessary to use related tools such as a level ruler for auxiliary measurement, which makes the installation of the mold frame difficult and difficult for novices to operate. Summary of the invention

[0005] The invention discloses a mold frame rapid positioning device, which aims to solve the technical problem that during the installation process, relevant tools such as a level ruler need to be used for auxiliary measurement, thereby making the installation of the mold frame difficult and difficult for novices to operate.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A mold frame rapid positioning device comprises a base, the top of which is provided with an assembly mechanism, a positioning mechanism, a back limiting mechanism, a pressing block and a mold frame, and the top of the mold frame is fixedly connected with a mold handle;

[0008] The positioning mechanism includes a slide fixed to the top of the base, an electromagnetic plate arranged on the inner wall of the bottom end of the slide, a slide connected to the bottom of the mold frame by bolts, a magnetic block fixed to the center of the bottom of the slide, two limit sleeves arranged at the top of the slide, a support plate movably connected to the limit sleeve, and a first screw movably engaged in the support plate;

[0009] The assembly mechanism includes two first support rods, and first limiting grooves are respectively arranged on opposite sides of the two first support rods, and the first limiting grooves are located outside the mold handle;

[0010] A third groove is arranged on the inner wall of the bottom end of the slide seat, and the electromagnetic plate is installed in the third groove, and the electromagnetic plate is connected to a control button through a line;

[0011] An insert block and a slot are respectively arranged at opposite ends of the two support plates, and the insert block is movably inserted into the slot. A fourth groove is arranged on one side of the slide, and one end of the first screw rod is fitted into the fourth groove.

[0012] By providing a positioning mechanism and a first limiting groove, in the positioning mechanism, based on the action of the slide seat and the slide fixed to the bottom end of the mold frame by bolts, the thrust required for mold frame replacement is reduced by reducing friction, and when installing the mold frame, the mold handle position can be gradually corrected during the pushing process through the first limiting groove, and based on the magnetic adsorption effect, the strip-shaped magnetic block gradually approaches the electromagnetic plate and stably adsorbs, thereby automatically correcting the edge of the mold frame, thereby roughly determining the setting position of the mold frame, and based on the back limiting mechanism and the first screw clamping the mold frame, the position of the mold frame on the slide seat can be limited to stabilize the lower mold frame. Under this structure, the difficulty of mold frame positioning can be greatly reduced, and rapid positioning can be achieved, effectively optimizing the efficiency of mold frame replacement.

[0013] In a preferred embodiment, the back limiting mechanism includes two relatively arranged L-shaped brackets, and one of the L-shaped brackets is fixed to the top of the sliding seat, the top of one of the L-shaped brackets is fixedly connected with a plurality of second sliding blocks, and the top of the other L-shaped bracket is penetrated with a second limiting groove, the second sliding block is movably connected in the second limiting groove, a triangular support block is arranged between the two L-shaped brackets, and a slot and a limiting rod are also arranged on one side of the triangular support block, a block is movably engaged in the slot, and a second screw is fixedly connected to one side of the block, the top of the sliding seat is also fixedly connected with a support seat, and the limiting rod is movably inserted in the support seat, and the second screw is movably engaged in the support seat.

[0014] By providing a back limiting mechanism, in the back limiting mechanism, as the triangular support block contacts the L-shaped bracket at different positions, the two L-shaped brackets can be driven to open, thereby changing the thickness of the two L-shaped brackets. Therefore, before the back limiting mechanism and the first screw clamp the mold frame, the back limiting mechanism can be adapted to mold frames of different widths by adjusting the third screw.

[0015] In a preferred embodiment, the assembly mechanism includes a supporting shell, and one side of the supporting shell is symmetrically provided with two arc-shaped sliding grooves, each of which is movably connected with a first sliding groove, and one side of the first sliding groove is fixedly connected to an outer sleeve, and one side outer wall of the outer sleeve is fixedly connected to a limiting plate, the inner wall of the outer sleeve is fitted with an inner support rod, and the top of the inner support rod is provided with a first groove, a spring is fixedly connected in the first groove, and one end of the spring is fixedly connected in the outer sleeve, the first support rod is movably connected to the top of the outer sleeve, and the top of the outer sleeve is fixedly connected to the second support rod, the inner wall of the bottom end of the first support rod is provided with a second groove, and the second support rod is arranged in the second groove, the outer wall of the second support rod is fixedly connected with a torsion spring, and one end of the torsion spring is fixedly connected in the second groove, one side of the inner support rod is fixedly connected with a gear through a support shaft, and the two gears are meshed with each other, one side of one of the gears is fixedly connected to a motor, and the center of the arc-shaped sliding groove does not coincide with the support shaft arranged oppositely.

[0016] By providing an assembly mechanism, after the mold frame is positioned and fixed, during the rotation of the inner support rod, the spring can be driven to contract, thereby shortening the length between the outer sleeve and the inner support rod. Under the action of the torsion spring, when the two first support rods are in a non-contact state and after the motor rotates a fixed distance, under the limiting action of the limiting plate, the first support rod is restricted from rotating to the other side. The torsion spring can drive the first support rod to rotate at one end of the outer sleeve and fit with the outer wall of one side of the support shell, thereby realizing the storage of the first support rod and avoiding obstruction that affects production.

[0017] As can be seen from the above, a mold frame rapid positioning device includes a base, the top of the base is simultaneously provided with an assembly mechanism, a positioning mechanism, a back limiting mechanism, a pressure block and a mold frame, and the top of the mold frame is fixedly connected with a mold handle; the positioning mechanism includes a slide fixed to the top of the base, an electromagnetic plate arranged on the inner wall of the bottom end of the slide, a slide connected to the bottom of the mold frame by bolts, a magnetic block fixed to the center position of the bottom of the slide, two limiting sleeves arranged at the top of the slide, a support plate movably connected to the limiting sleeve and a first screw movably engaged in the support plate; the assembly mechanism includes two first support rods, and the opposite sides of the two first support rods are respectively provided with first limiting grooves, and the first limiting grooves are located outside the mold handle. The mold frame rapid positioning device provided by the present invention has the technical effect of greatly reducing the difficulty of mold frame positioning, realizing rapid positioning, and effectively optimizing the efficiency of mold frame replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The present invention provides a schematic diagram of the overall structure of a mold frame rapid positioning device.

[0019] Figure 2 This is a schematic diagram of the disassembled structure of a mold frame rapid positioning device proposed by the present invention.

[0020] Figure 3 This is a schematic diagram of the disassembly of the back limiting mechanism of the mold frame rapid positioning device proposed by the present invention.

[0021] Figure 4 The present invention provides a schematic diagram of the internal structure of an assembly mechanism of a mold frame rapid positioning device.

[0022] Figure 5 This is a schematic diagram of the disassembly of the assembly mechanism of a mold frame rapid positioning device proposed by the present invention.

[0023] In the figure: 1, assembly mechanism; 2, base; 3, positioning mechanism; 4, mold frame; 5, back limit mechanism; 6, pressure block; 7, mold handle; 101, support shell; 102, arc slide; 103, inner support rod; 104, first slider; 105, motor; 106, gear; 107, support shaft; 108, outer sleeve; 109, first limit groove; 110, first support rod; 111, limit plate; 112, first groove; 113, spring; 114, torsion spring; 115, second support rod; 116, first The second groove; 301, the slide; 302, the control button; 303, the support plate; 304, the first screw; 305, the limit sleeve; 306, the third groove; 307, the electromagnetic plate; 308, the plug block; 309, the slot; 310, the slide; 311, the fourth groove; 312, the magnetic block; 501, the L-shaped bracket; 502, the second limit groove; 503, the triangular support block; 504, the second slide; 505, the limit plug rod; 506, the slot; 507, the support seat; 508, the second screw; 509, the plug block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] The mold frame rapid positioning device disclosed in the present invention is mainly used in the scenario of mold frame positioning.

[0026] Reference Figure 1 and Figure 2 A mold frame rapid positioning device comprises a base 2, the top of the base 2 is provided with an assembly mechanism 1, a positioning mechanism 3, a back limiting mechanism 5, a pressing block 6 and a mold frame 4, and the top of the mold frame 4 is fixedly connected with a mold handle 7;

[0027] The positioning mechanism 3 includes a slide 301 fixed to the top of the base 2, an electromagnetic plate 307 arranged on the inner wall of the bottom end of the slide 301, a slide 310 connected to the bottom of the mold frame 4 by bolts, a magnetic block 312 fixed to the center of the bottom of the slide 310, two limit sleeves 305 arranged on the top of the slide 301, a support plate 303 movably connected to the limit sleeve 305, and a first screw 304 movably engaged in the support plate 303;

[0028] The assembly mechanism 1 includes two first support rods 110, and the first limiting grooves 109 are respectively arranged on opposite sides of the two first support rods 110. The first limiting grooves 109 are located outside the mold handle 7. In the positioning mechanism 3, based on the slide 301 and the slide 310 fixed to the bottom end of the mold frame 4 by bolts, the thrust required for replacing the mold frame 4 is reduced by reducing the friction force. When the mold frame 4 is installed, when the mold frame 4 is placed on the top of the slide 301 and the position is corrected, the position of the mold handle 7 can be gradually corrected during the pushing process through the first limiting grooves 109, so that it is aligned with the clamping device at the top, and the pushing process In the figure, based on the magnetic adsorption effect, the strip-shaped magnetic block 312 gradually approaches the electromagnetic plate 307 and is stably adsorbed, thereby automatically correcting the edge of the mold frame 4, thereby roughly determining the setting position of the mold frame 4, and based on the back limiting mechanism 5 being attached to the back of the mold frame 4, sliding the two support plates 303 inward and twisting the first screw 304 can complete the clamping of the mold frame 4, and assist in limiting the downward pressure of the pressure block 6, which can limit the position of the mold frame 4 on the slide seat 301 and stabilize the lower mold frame. Under this structure, the positioning difficulty of the mold frame 4 can be greatly reduced, and rapid positioning can be achieved, effectively optimizing the efficiency of mold frame replacement.

[0029] Reference Figure 2 In a preferred embodiment, a third groove 306 is provided on the inner wall of the bottom end of the slide seat 301, and an electromagnetic plate 307 is installed in the third groove 306, and the electromagnetic plate 307 is connected to the control button 302 through a line.

[0030] Reference Figure 2 In a preferred embodiment, an insert block 308 and a slot 309 are respectively provided at opposite ends of the two support plates 303, and the insert block 308 is movably inserted into the slot 309, a fourth groove 311 is provided on one side of the slide 310, and one end of the first screw rod 304 is fitted into the fourth groove 311.

[0031] Reference Figure 3In a preferred embodiment, the back limiting mechanism 5 includes two L-shaped brackets 501 arranged opposite to each other, and one of the L-shaped brackets 501 is fixed to the top of the slide seat 301, and the top of one of the L-shaped brackets 501 is fixedly connected with a plurality of second sliders 504, and the top of the other L-shaped bracket 501 is penetrated by a second limiting groove 502, and the second slider 504 is movably connected in the second limiting groove 502.

[0032] Reference Figure 3 In a preferred embodiment, a triangular support block 503 is provided between the two L-shaped brackets 501, and a slot 506 and a limiting plug rod 505 are provided on one side of the triangular support block 503. A block 509 is movably connected to the slot 506, and a second screw 508 is fixedly connected to one side of the block 509.

[0033] Reference Figure 3 In a preferred embodiment, the top of the slide 301 is fixedly connected to a support seat 507, and the limiting plug rod 505 is movably inserted into the support seat 507, and the second screw 508 is movably engaged with the support seat 507. In the back limiting mechanism 5, only by twisting the second screw 508, it moves forward along the support seat 507, and the triangular support block 503 is pushed by the block 509 connected to the triangular support block 503, and the vertical movement of the triangular support block 503 is guaranteed under the action of the limiting plug rod 505. As the triangular support block 503 contacts the L-shaped bracket 501 at different positions, the two L-shaped brackets 501 can be driven to open, thereby changing the thickness of the two L-shaped brackets 501. Therefore, before the back limiting mechanism 5 and the first screw 304 clamp the mold frame 4, the back limiting mechanism 5 can be adjusted by adjusting the third screw 508 to adapt to the use of mold frames 4 of different widths.

[0034] Reference Figure 4 and Figure 5 In a preferred embodiment, the assembly mechanism 1 includes a supporting shell 101, and two arc-shaped slide grooves 102 are symmetrically arranged on one side of the supporting shell 101, and a first slider 104 is movably connected in each arc-shaped slide groove 102, and an outer sleeve 108 is fixedly connected to one side of the first slider 104, and a limiting plate 111 is fixedly connected to the outer wall of one side of the outer sleeve 108.

[0035] Reference Figure 4 and Figure 5 In a preferred embodiment, an inner support rod 103 is fitted on the inner wall of the outer sleeve 108, and a first groove 112 is provided at the top of the inner support rod 103. A spring 113 is fixedly connected in the first groove 112, and one end of the spring 113 is fixedly connected in the outer sleeve 108. The first support rod 110 is movably connected to the top of the outer sleeve 108.

[0036] Reference Figure 4 and Figure 5 In a preferred embodiment, a second support rod 115 is fixedly connected to the top end of the outer sleeve 108, a second groove 116 is provided on the inner wall of the bottom end of the first support rod 110, and the second support rod 115 is disposed in the second groove 116, a torsion spring 114 is fixedly connected to the outer wall of the second support rod 115, and one end of the torsion spring 114 is fixedly connected in the second groove 116.

[0037] Reference Figure 4 and Figure 5 In a preferred embodiment, one side of the inner support rod 103 is fixedly connected to a gear 106 through a support shaft 107, and the two gears 106 are meshed with each other. One side of one of the gears 106 is fixedly connected to a motor 105, and the center of the arc-shaped slide 102 does not coincide with the support shaft 107 arranged oppositely. After the mold frame 4 is positioned and fixed, before the clamping device clamps the mold handle 7, the motor 105 drives one of the gears 106 to rotate, so that the two meshing gears 106 rotate in relative or opposite directions. Under the setting of the arc-shaped slide 102, based on the fact that the center of the arc-shaped slide 102 does not coincide with the support shaft arranged oppositely, during the rotation process of the inner support rod 103, the spring 113 can be driven to contract, shortening the distance between the outer sleeve 108 and the inner support rod 103. length, and under the action of the torsion spring 114, when the two first support rods 110 are in a non-contact state and after the motor 105 rotates a fixed distance, under the limiting action of the limiting plate 111, the first support rod 110 is limited to rotate to the other side, and the torsion spring 114 can drive the first support rod 110 to rotate at one end of the outer sleeve 108 and fit with the outer wall of one side of the support shell 101, thereby realizing the storage of the first support rod 110 to avoid obstruction and affecting production. On the contrary, when the motor 105 rotates, the two first support rods 110 start to contact from one end. Based on the continuous movement and the resistance of the two first support rods 110, when moving to the highest point, the first limiting grooves 109 in the two first support rods 110 are just merged into a whole, providing a limiting effect for the mold handle 7.

[0038] Working principle: In the positioning mechanism 3, based on the slide 301 and the slide 310 fixed to the bottom end of the mold frame 4 by bolts, the thrust required for replacing the mold frame 4 is reduced by reducing the friction force. When the mold frame 4 is installed, when the mold frame 4 is placed on the top of the slide 301 and the position is corrected, the position of the mold handle 7 can be gradually corrected during the pushing process through the first limit groove 109, so that it is aligned with the clamping device at the top. During the pushing process, based on the magnetic adsorption effect, the strip-shaped magnetic block 312 gradually approaches the electromagnetic plate 307 and is stably adsorbed, thereby playing a role in the mold frame 4. The automatic correction of the edge can roughly determine the setting position of the mold frame 4, and based on the back limit mechanism 5 being attached to the back of the mold frame 4, the two support plates 303 are slid inward, and the first screw rod 304 is twisted to complete the clamping of the mold frame 4, and the downward pressure limit of the auxiliary pressure block 6 can be used to limit the position of the mold frame 4 on the slide seat 301, so that the lower mold frame is stable. Under this structure, the positioning difficulty of the mold frame 4 can be greatly reduced, and rapid positioning can be achieved, effectively optimizing the efficiency of mold frame replacement. At the same time, after the mold frame 4 is positioned and fixed, before the clamping device clamps the mold handle 7, the motor 105 is turned on. By driving one of the gears 106 to rotate, the two meshing gears 106 are rotated in relative or opposite directions. Under the setting of the arcuate slot 102, based on the fact that the center of the arcuate slot 102 does not coincide with the relatively set support shaft, during the rotation of the inner support rod 103, the spring 113 can be driven to contract, shortening the length between the outer sleeve 108 and the inner support rod 103. Under the action of the torsion spring 114, when the two first support rods 110 are in a non-contact state and after the motor 105 rotates a fixed distance, under the limiting action of the limiting piece 111, the first support rods 110 are limited. When one of the support rods 110 rotates to the other side, the torsion spring 114 can drive the first support rod 110 to rotate at one end of the outer sleeve 108 and fit with the outer wall of one side of the support shell 101, thereby realizing the storage of the first support rod 110 to avoid obstruction and affecting production. On the contrary, when the motor 105 rotates, the two first support rods 110 start to contact from one end. Based on the continuous movement and the resistance of the two first support rods 110, when moving to the highest point, the first limiting grooves 109 in the two first support rods 110 are just merged into a whole, providing a limiting effect for the mold handle 7.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mold frame rapid positioning device, comprising a base (2), characterized in that: The top of the base (2) is provided with an assembly mechanism (1), a positioning mechanism (3), a back limiting mechanism (5), a pressing block (6) and a mold frame (4), and the top of the mold frame (4) is fixedly connected with a mold handle (7); The positioning mechanism (3) comprises a slide seat (301) fixed to the top of the base (2), an electromagnetic plate (307) arranged on the inner wall of the bottom end of the slide seat (301), a slide frame (310) connected to the bottom of the mold frame (4) by bolts, a magnetic block (312) fixed at the center position of the bottom of the slide frame (310), two limiting sleeves (305) arranged at the top of the slide seat (301), a support plate (303) movably connected to the inside of the limiting sleeve (305), and a first screw (304) movably engaged with the inside of the support plate (303); The assembly mechanism (1) comprises two first support rods (110), and first limiting grooves (109) are respectively arranged on opposite sides of the two first support rods (110), and the first limiting grooves (109) are located outside the mold handle (7).

2. A mold frame rapid positioning device according to claim 1, characterized in that: A third groove (306) is provided on the inner wall of the bottom end of the slide seat (301), and an electromagnetic plate (307) is installed in the third groove (306). The electromagnetic plate (307) is connected to a control button (302) via a line.

3. A mold frame rapid positioning device according to claim 1, characterized in that: An insert block (308) and a slot (309) are respectively provided at opposite ends of the two support plates (303), and the insert block (308) is movably inserted into the slot (309). A fourth groove (311) is provided on one side of the slide (310), and one end of the first screw rod (304) is fitted into the fourth groove (311).

4. A mold frame rapid positioning device according to claim 1, characterized in that: The back limiting mechanism (5) comprises two L-shaped brackets (501) arranged opposite to each other, and one of the L-shaped brackets (501) is fixed to the top of the sliding seat (301), a plurality of second sliding blocks (504) are fixedly connected to the top of one of the L-shaped brackets (501), and a second limiting groove (502) is penetrated through the top of the other L-shaped bracket (501), and the second sliding block (504) is movably connected in the second limiting groove (502).

5. A mold frame rapid positioning device according to claim 4, characterized in that: A triangular support block (503) is arranged between the two L-shaped brackets (501), and a clamping groove (506) and a limiting plug rod (505) are arranged on one side of the triangular support block (503). A clamping block (509) is movably clamped in the clamping groove (506), and a second screw rod (508) is fixedly connected to one side of the clamping block (509).

6. A mold frame rapid positioning device according to claim 5, characterized in that: The top end of the slide seat (301) is fixedly connected to a support seat (507), and the limiting rod (505) is movably inserted into the support seat (507), and the second screw rod (508) is movably engaged in the support seat (507).

7. The mold frame rapid positioning device according to claim 1, characterized in that: The assembly mechanism (1) comprises a supporting shell (101), and two arc-shaped slide grooves (102) are symmetrically provided on one side of the supporting shell (101), a first slider (104) is movably connected in each of the arc-shaped slide grooves (102), and an outer sleeve (108) is fixedly connected to one side of the first slider (104), and a limiting plate (111) is fixedly connected to an outer wall of one side of the outer sleeve (108).

8. A mold frame rapid positioning device according to claim 7, characterized in that: An inner support rod (103) is fitted on the inner wall of the outer sleeve (108), and a first groove (112) is provided at the top of the inner support rod (103). A spring (113) is fixedly connected in the first groove (112), and one end of the spring (113) is fixedly connected in the outer sleeve (108). The first support rod (110) is movably connected to the top of the outer sleeve (108).

9. A mold frame rapid positioning device according to claim 8, characterized in that: The top end of the outer sleeve (108) is fixedly connected to a second support rod (115); the inner wall of the bottom end of the first support rod (110) is provided with a second groove (116), and the second support rod (115) is arranged in the second groove (116); the outer wall of the second support rod (115) is fixedly connected to a torsion spring (114), and one end of the torsion spring (114) is fixedly connected in the second groove (116).

10. A mold frame rapid positioning device according to claim 9, characterized in that: One side of the inner support rod (103) is fixedly connected to a gear (106) via a support shaft (107), and the two gears (106) are meshed with each other, one side of one of the gears (106) is fixedly connected to a motor (105), and the center of the arc-shaped slide groove (102) does not coincide with the support shaft (107) arranged oppositely.