A turnover device for precast cement products

Abstract

The present invention relates to the technical field of cement product turning, and discloses a turning device for cement product prefabricated parts, which includes a cement prefabrication mold and support frames located at both ends of the cement prefabrication mold. A support cross bar is fixed above the support frames, and a lifting assembly is arranged on the support frames. A first servo hydraulic cylinder is fixed on the lifting assembly, and an installation plate is fixed at the end of the first servo hydraulic cylinder. A servo motor is fixed on the installation plate, and a mechanical claw is fixed on the motor shaft of the servo motor; C-shaped plates are respectively arranged at both ends of the cement prefabrication mold, and first sliding brackets are respectively fixed at both ends of the cement prefabrication mold, which can achieve the purpose of quickly turning the opening of the cement prefabrication mold downward, greatly improve the turning efficiency, reduce the number of manual operations, save time and effort, be convenient and fast, and improve the safety of operation.

Description

Technical Field

[0001] The present invention relates to the technical field of cement product turnover, and specifically to a turnover device for cement product prefabricated parts. Background Art

[0002] Cement prefabricated parts refer to building materials with specific shapes and sizes formed by pouring cement concrete into molds in a factory and curing. Cement prefabricated parts include structural components such as reinforced concrete beams, slabs, columns, and walls, as well as equipment components such as prefabricated assembled houses, large storage tanks, and pipelines. Prefabricated part molds are a type of cement product mold of Baoding Jianfeng Mold, commonly known as prefabricated part molds, prefabricated part dies, or concrete prefabricated part molds. They are molds specifically for producing prefabricated parts. The raw materials of prefabricated part molds are generally of two types: plastic injection molding and sheet metal steel mold molding. Plastic prefabricated part molds are made by injecting polypropylene plastic granules through an injection molding machine at high temperature into a pre-prepared prefabricated part cavity, and then forming the prefabricated part mold after cooling treatment; steel prefabricated part molds are made through multiple procedures such as curling, cutting, shaping, strengthening, welding, assembling, and grinding of iron plates.

[0003] After the cement product prefabricated parts are formed in the prefabricated part mold, they need to be turned over so that the opening of the prefabricated part mold faces downward for reverse buckling, which is convenient for workers to separate the cement product prefabricated parts from the mold. In the prior art, the turnover of cement product prefabricated parts generally involves tying the cement prefabrication mold firmly with a steel wire rope for hoisting, and then turning it over manually. Due to the large weight of the mud prefabrication mold, the turnover process is time-consuming and laborious, with low efficiency, and manual turning is prone to falling accidents and poor safety. Summary of the Invention

[0004] The present invention provides a turnover device for cement product prefabricated parts, which has the beneficial effects of achieving the purpose of quickly turning the opening of the cement prefabrication mold downward for reverse buckling, greatly improving the turnover efficiency, reducing the number of manual operations, saving time and effort, being convenient and fast, and improving the safety of operation, and solves the problems mentioned in the above background art that in the prior art, the turnover of cement product prefabricated parts generally involves tying the cement prefabrication mold firmly with a steel wire rope for hoisting, and then turning it over manually. Due to the large weight of the mud prefabrication mold, the turnover process is time-consuming and laborious, with low efficiency, and manual turning is prone to falling accidents and poor safety.

[0005] The present invention provides the following technical solution: a cement product precast part turning device, comprising a cement precast mold and a support frame located at both ends of the cement precast mold, a support cross bar fixed above the support frame, and a lifting assembly provided on the support frame, a first servo hydraulic cylinder fixed to the lifting assembly, a mounting plate fixed to the end of the first servo hydraulic cylinder, a servo motor fixed to the mounting plate, and a mechanical clamp fixed to the motor shaft of the servo motor;

[0006] A 匚-shaped plate is respectively provided at both ends of the cement precast mold, and a first sliding bracket is respectively fixed at both ends of the cement precast mold. The 匚-shaped plate is slidably connected to the first sliding bracket. A first spring is connected between the 匚-shaped plate and the first sliding bracket, and the mechanical clamp is clamped on the 匚-shaped plate.

[0007] As an optional solution of the cement product preform turning device described in the present invention, the lifting assembly includes a sliding rod, which is fixed on both sides of the support frame, and a sliding seat is slidably connected to the sliding rod, a second servo hydraulic cylinder is fixed on the top of the support frame, the hydraulic column of the second servo hydraulic cylinder is fixedly connected to the sliding seat, and the first servo hydraulic cylinder is fixed on the sliding seat.

[0008] As an optional solution of the cement product prefabricated part flipping device described in the present invention, a first guide rod is fixed on the mounting plate, the first guide rod is slidably connected to the sliding seat, mounting grooves are provided on both sides of the support frame, moving wheels are provided in the mounting grooves, and both ends of the moving wheels are rotatably connected to the support frame.

[0009] As an optional solution of the cement product preform flipping device described in the present invention, wherein: a resistance plate is provided on the 匚-shaped plate, a first strip groove is provided on the resistance plate, the first sliding bracket is inserted into the first strip groove, a second strip groove is provided on the 匚-shaped plate, a sliding block is slidably connected to the second strip groove, the sliding block is fixedly connected to the resistance plate, a second sliding bracket is fixed on the 匚-shaped plate, and the second sliding bracket is elastically connected to the sliding block through a second spring.

[0010] As an optional solution of the cement product precast part turning device of the present invention, strip-shaped interference blocks are fixed on both ends of the cement precast mold, trapezoidal interference blocks are fixed on the interference plate, and the trapezoidal interference blocks interfere with the strip-shaped interference blocks.

[0011] As an optional solution of the cement product precast part turning device of the present invention, one end of the strip-shaped interference block is provided with an interference slope, and one end of the trapezoidal interference block is provided with a plurality of equally spaced arc-shaped protrusions.

[0012] As an alternative solution of the precast cement product turnover device of the present invention, the following is provided: above the abutting plate, there is a C-shaped frame, and at both ends of the C-shaped frame, there are provided several arc-shaped abutting blocks evenly distributed. A third strip-shaped groove is formed on the support cross bar, the C-shaped frame is slidably connected in the third strip-shaped groove, and a third spring is connected between the C-shaped frame and the support cross bar.

[0013] As an alternative solution of the precast cement product turnover device of the present invention, the following is provided: a contact piece is fixed on the C-shaped frame, an electric push rod is fixed on one of the support cross bars, a strip-shaped contact rod is fixed on the electric push rod, and the contact piece abuts against the strip-shaped contact rod.

[0014] As an alternative solution of the precast cement product turnover device of the present invention, the following is provided: a second guide rod is slidably connected to the C-shaped plate, a limiting rod is fixed at one end of the second guide rod, the limiting rod is elastically connected to the C-shaped plate through a fourth spring, a limiting block is fixed on one side of the strip-shaped abutting block, and a limiting wedge block is fixed on the limiting rod, and the limiting block is in contact with the limiting wedge block.

[0015] As an alternative solution of the precast cement product turnover device of the present invention, the following is provided: a triangular abutting block is fixed on one side of the trapezoidal abutting block, an L-shaped abutting strip is arranged in the C-shaped frame, and one end of the L-shaped abutting strip is fixed on the limiting rod.

[0016] The present invention has the following beneficial effects:

[0017] 1. In the precast cement product turnover device, the support cross bars installed on the two support frames are beneficial to improving the strength of the device structure. The moving wheels arranged in the installation grooves on both sides of the support frame facilitate the device to be flexibly moved above the precast cement mold that needs to be turned over during use. The first servo hydraulic cylinder provided in the device can adjust the horizontal clamping position of the mechanical claw, so that the provided mechanical claw can conveniently clamp on the C-shaped plates arranged at both ends of the precast cement mold. Through the lifting assembly arranged on the support frame, the precast cement mold together with the cement product inside can be quickly lifted to a certain height for turning operation;

[0018] When the precast cement mold together with the cement product inside is lifted to a certain height, the servo motor fixed on the mounting plate can drive the mechanical claw to rotate, so as to achieve the purpose that the opening of the precast cement mold can quickly face downwards for inversion, which can greatly improve the turnover efficiency, reduce the number of manual operations, save time and effort, be convenient and fast, and improve the safety of operation.

[0019] 2. In the flipping device for precast cement products, the first sliding bracket fixed at both ends of the precast cement mold can be slidably connected to the U-shaped plate, achieving the purpose of enabling the precast cement mold to slide vertically up and down. Through the second sliding bracket provided on the U-shaped plate, it can be slidably connected to the sliding block fixed on the contact plate. When the first strip groove opened on the contact plate is connected to the first sliding bracket, the contact plate can horizontally move within the U-shaped plate, enabling the trapezoidal contact block fixed on the contact plate to contact the strip contact block fixed at the end of the precast cement mold during horizontal movement, facilitating the up and down vibration of the precast cement mold when it moves downward after flipping, improving the demolding effect of the cement products from the precast cement mold, enabling the cement products to smoothly fall off from the precast cement mold, and reducing the manual demolding operation after the precast cement mold is flipped.

[0020] Through a number of equally spaced arc-shaped convex blocks provided at one end of the trapezoidal contact block, when the contact plate drives the trapezoidal contact block to horizontally move and contact the strip contact block, the strip contact block can contact the number of equally spaced arc-shaped convex blocks, and the generated vibration force can act on the flipped precast cement mold, improving the demolding effect of the cement products. The U-shaped frame slidably connected to the support crossbar facilitates the installation of a number of equally spaced arc-shaped contact blocks. When the precast cement mold flips and moves vertically, it can drive the contact plate to move downward synchronously, achieving the purpose that both ends of the contact plate sequentially contact the arc-shaped contact blocks fixed on both sides of the U-shaped frame, enabling the contact plate to continuously move horizontally back and forth, making the precast cement mold continuously vibrate up and down, and further improving the demolding effect of the cement products. The electric push rod can drive the strip contact rod to contact the contact piece fixed on the U-shaped frame, facilitating the adjustment of the horizontal working position of the U-shaped frame to avoid hindering the upward moving precast cement mold. After the precast cement mold is flipped, the U-shaped frame can drive a number of arc-shaped contact blocks to horizontally move to one side of the contact plate, facilitating the contact between the contact plate and the number of arc-shaped contact blocks.

[0021] 3. In the flipping device for precast cement products, the second guide rod slidably connected to the U-shaped plate can, under the action of the fourth spring, achieve the purpose of driving the limit rod and the limit wedge block fixed on the limit rod to abut against the strip contact block, facilitating the limit of the limit block fixed on the strip contact block by the limit wedge block, enabling the vertical movement height of the precast cement mold to be restricted when the trapezoidal contact block contacts the strip contact block, facilitating energy storage. When the trapezoidal contact block and the strip contact block are disengaged, the triangular contact block fixed on one side of the trapezoidal contact block contacts the L-shaped contact strip fixed on the limit rod, causing the limit wedge block to release the limit on the limit block, making the amplitude of the vertical swing of the strip contact block driving the precast cement mold larger, and greatly improving the demolding effect of the cement products. Description of the Drawings

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention.

[0023] Figure 2 This is a schematic diagram of the support frame structure of the present invention.

[0024] Figure 3 This is one of the schematic diagrams of the U-shaped plate structure of the present invention.

[0025] Figure 4 This is the second schematic diagram of the U-shaped plate structure of the present invention.

[0026] Figure 5 This is a cross-sectional view of the U-shaped plate structure of the present invention.

[0027] Figure 6 This is a schematic diagram of the internal structure of the U-shaped plate of the present invention.

[0028] Figure 7 is Figure 6 a partial enlarged schematic diagram at position A in

[0029] Figure 8 a partial enlarged schematic diagram at position A after the cement precast mold is flipped.

[0030] Figure 9 is a cross-sectional view of the U-shaped plate structure after the cement precast mold is flipped.

[0031] In the figure: 1. Support frame; 101. Sliding rod; 102. Sliding seat; 103. Second servo hydraulic cylinder; 2. Cement precast mold; 3. Support cross bar; 4. First servo hydraulic cylinder; 5. Installation plate; 6. Servo motor; 7. Mechanical claw; 8. U-shaped plate; 9. First sliding bracket; 10. First spring; 11. First guide rod; 12. Installation groove; 13. Moving wheel; 14. Contact plate; 15. First strip-shaped groove; 16. Second strip-shaped groove; 17. Sliding block; 18. Second sliding bracket; 19. Second spring; 20. Strip-shaped contact block; 21. Contact inclined surface; 22. Trapezoidal contact block; 23. Arc-shaped convex block; 24. U-shaped frame; 25. Arc-shaped contact block; 26. Third strip-shaped groove; 27. Third spring; 28. Contact piece; 29. Electric push rod; 30. Strip-shaped contact rod; 31. Second guide rod; 32. Limit rod; 33. Fourth spring; 34. Limit block; 35. Limit wedge block; 36. Triangular contact block; 37. L-shaped contact strip. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] Embodiment 1. Please refer to Figures 1 to 9 , a turnover device for cement product prefabricated parts, including a cement prefabrication mold 2 and support frames 1 located at both ends of the cement prefabrication mold 2. A support cross bar 3 is fixed above the support frames 1, and a lifting assembly is arranged on the support frames 1. A first servo hydraulic cylinder 4 is fixed on the lifting assembly. An end of the first servo hydraulic cylinder 4 is fixed with a mounting plate 5. A servo motor 6 is fixed on the mounting plate 5. A mechanical claw 7 is fixed on the motor shaft of the servo motor 6;

[0034] C-shaped plates 8 are respectively arranged at both ends of the cement prefabrication mold 2, and first sliding brackets 9 are respectively fixed at both ends of the cement prefabrication mold 2. The C-shaped plates 8 are slidably connected to the first sliding brackets 9. A first spring 10 is connected between the C-shaped plates 8 and the first sliding brackets 9. The mechanical claw 7 clamps on the C-shaped plates 8.

[0035] The lifting assembly includes sliding rods 101. The sliding rods 101 are fixed on both sides of the support frames 1, and sliding seats 102 are slidably connected to the sliding rods 101. A second servo hydraulic cylinder 103 is fixed at the top end of the support frames 1. The lower end of the second servo hydraulic cylinder 103 is fixedly connected to the sliding seats 102. The first servo hydraulic cylinder 4 is fixed on the sliding seats 102.

[0036] A first guiding rod 11 is fixed on the mounting plate 5. The first guiding rod 11 is slidably connected to the sliding seats 102. Mounting grooves 12 are formed on both sides of the support frames 1. Moving wheels 13 are arranged in the mounting grooves 12. Both ends of the moving wheels 13 are rotatably connected to the support frames 1.

[0037] When the device works, refer to Figures 1 - 2, through the moving wheels 13 arranged in the mounting grooves 12 on both sides of the support frame 1, the support frame 1 is flexibly moved to the top of the cement precast mold 2 to be flipped. At this time, the mechanical clamping claws 7 are located at both ends of the cement precast mold 2. The first servo hydraulic cylinder 4 installed on the lifting assembly drives the mounting plate 5 to move horizontally, which can realize the synchronous movement of the servo motor 6 and the mechanical clamping claw 7, prompting the mechanical clamping claw 7 to clamp against the middle position of the 匚-shaped plate 8 set at the end of the cement precast mold 2. At the same time, the first guide rod 11 slides horizontally on the sliding seat 102 in the lifting assembly, which can improve The stability of the horizontal movement of the mounting plate 5 is ensured by the second servo hydraulic cylinder 103 in the lifting assembly, which can drive the sliding seat 102 to move vertically and smoothly upward on the two sliding rods 101, thereby achieving the purpose of lifting the cement precast mold 2 together with the cement products inside to a certain height. The servo motor 6 fixed on the mounting plate 5 can drive the mechanical clamping claw 7 to rotate, thereby achieving the purpose of quickly turning the opening of the cement precast mold 2 upside down, which can greatly improve the efficiency of the flipping, reduce the number of manual operations, save time and effort, be convenient and fast, and improve the safety of operation.

[0038] Example 2: This example is an improvement based on Example 1. For details, please refer to Figures 1 to 9 A contact plate 14 is provided on the 匚-shaped plate 8, and a first strip groove 15 is opened on the contact plate 14. The first sliding bracket 9 is inserted in the first strip groove 15. A second strip groove 16 is opened on the 匚-shaped plate 8. A sliding block 17 is slidably connected to the second strip groove 16. The sliding block 17 is fixedly connected to the contact plate 14. A second sliding bracket 18 is fixed on the 匚-shaped plate 8, and the second sliding bracket 18 is elastically connected to the sliding block 17 through a second spring 19.

[0039] A strip-shaped interference block 20 is fixed to both ends of the cement precast mold 2 , and a trapezoidal interference block 22 is fixed to the interference plate 14 . The trapezoidal interference block 22 interferes with the strip-shaped interference block 20 .

[0040] One end of the strip-shaped interference block 20 is provided with an interference slope 21 , and one end of the trapezoidal interference block 22 is provided with a plurality of equally spaced arc-shaped protrusions 23 .

[0041] A 匚-shaped frame 24 is provided above the contact plate 14, and a number of equally distributed arc-shaped contact blocks 25 are respectively provided at both ends of the 匚-shaped frame 24. A third strip groove 26 is provided on the support cross bar 3. The 匚-shaped frame 24 is slidably connected in the third strip groove 26, and a third spring 27 is connected between the 匚-shaped frame 24 and the support cross bar 3.

[0042] A resistance piece 28 is fixed on the 匚-shaped frame 24 , an electric push rod 29 is fixed on one of the supporting cross bars 3 , a strip-shaped resistance rod 30 is fixed on the electric push rod 29 , and the resistance piece 28 is in resistance with the strip-shaped resistance rod 30 .

[0043] In order to facilitate the demoulding of the cement product during the turning process of the cement precast mold 2, refer to Figures 1 - 6 When the turning of the contact plate 14 is completed, the strip-shaped contact rod 30 is driven by the electric push rod 29 to move horizontally, so that the strip-shaped contact rod 30 comes into conflict with the contact pieces 28 fixed on the two strip-shaped frames 24, and the strip-shaped frame 24 is affected by the contact force and slides horizontally in the first strip groove 15 opened on the supporting cross bar 3, so that the strip-shaped frame 24 drives several equally distributed arc-shaped contact blocks 25 to move to the bottom of the contact plate 14, and the third spring 27 accumulates force so that both ends of the contact plate 14 can reciprocate with several arc-shaped contact blocks 25 on both ends of the strip-shaped frame 24 in sequence during the downward movement. At the same time, the sliding block 17 fixed on the contact plate 14 slides on the second strip groove 16 opened on the strip-shaped plate 8, and the sliding block 17 One end also slides on the second sliding bracket 18 fixed on the 匚-shaped plate 8, and the second spring 19 accumulates force, so that the contact plate 14 is affected by the resistance force of the arc-shaped resistance block 25, which can achieve the purpose of driving the trapezoidal resistance block 22 to interfere with the bar resistance block 20 fixed on the end of the cement precast mold 2, prompting the bar resistance block 20 to drive the cement precast mold 2 to move vertically upward for height lifting. At the same time, the first sliding bracket 9 slides on the 匚-shaped plate 8, and the first spring 10 accumulates force. When the trapezoidal resistance block 22 continues to move horizontally, it can release the resistance to the bar resistance block 20, which is convenient for the cement precast mold 2 to vibrate up and down when it is flipped over and moved down, thereby improving the effect of demoulding the cement product from the cement precast mold 2, so that the cement product can be smoothly removed from the cement precast mold 2 under the influence of the swing force, reducing the manual demoulding operation after the cement precast mold 2 is flipped over;

[0044] In order to improve the effect of cement products falling off from the cement precast mold 2, refer to Figures 4 - 7 , through the multiple equally spaced arc-shaped protrusions 23 provided at one end of the trapezoidal resistance block 22, it is convenient for the resistance plate 14 to drive the trapezoidal resistance block 22 to move horizontally and to conflict with the strip resistance block 20. The strip resistance block 20 can continuously conflict with the multiple equally spaced arc-shaped protrusions 23, thereby generating a vibration force that can act on the flipped cement precast mold 2, thereby improving the demoulding effect of the cement product;

[0045] Several arc-shaped resistance blocks 25 fixed on both sides of the 匚-shaped frame 24 are staggered, so that when the resistance plate 14 moves downward along with the cement precast mold 2, both ends of the resistance plate 14 can be resisted by the arc-shaped resistance blocks 25, prompting the resistance plate 14 to continuously move back and forth horizontally, so that the cement precast mold 2 can continuously vibrate up and down, further improving the demoulding effect of cement products.

[0046] When the first strip groove 15 opened on the contact plate 14 is connected to the first sliding bracket 9, the purpose of the contact plate 14 being able to move horizontally in the 匚-shaped plate 8 is achieved, so that the trapezoidal contact block 22 fixed on the contact plate 14 can contact the strip contact block 20 fixed at the end of the cement precast mold 2 when it moves horizontally, and the first sliding brackets 9 fixed to each other hinder the horizontally moving contact plate 14.

[0047] Example 3: This example is an improvement made on the basis of Example 2. For details, please refer to Figures 1 to 9 A second guide rod 31 is slidably connected to the 匚-shaped plate 8, and a limiting rod 32 is fixed at one end of the second guide rod 31. The limiting rod 32 is elastically connected to the 匚-shaped plate 8 through a fourth spring 33. A limiting block 34 is fixed on one side of the strip-shaped interference block 20, and a limiting wedge block 35 is fixed on the limiting rod 32. The limiting block 34 is in contact with the limiting wedge block 35.

[0048] A triangular interference block 36 is fixed to one side of the trapezoidal interference block 22 , and an L-shaped interference strip 37 is provided in the U-shaped frame 24 , and one end of the L-shaped interference strip 37 is fixed to the limiting rod 32 .

[0049] In order to further improve the efficiency of demoulding cement products from the cement precast mold 2, refer to Figure 8 、 Figure 9 The limit block 34 fixed on the strip-shaped interference block 20 is located on one side of the limit rod 32. The strip-shaped interference block 20 is subjected to interference, which can drive the limit block 34 to move upward, and the limit block 34 is attached to the limit wedge 35 to move. Since the limit wedge 35 is subjected to interference, the limit rod 32 can be pushed to move horizontally, so that the limit block 34 moves to the top of the limit wedge 35, which can achieve the purpose of limiting the strip-shaped interference block 20 by the limit block 34. At this time, the vertical movement height of the strip-shaped interference block 20 reaches the maximum. When the trapezoidal interference block 22 moves horizontally to release the interference The strip-shaped interference block 20 interferes, and at the same time, the triangular interference block 36 fixed on one side of the trapezoidal interference block 22 interferes with the L-shaped interference strip 37 fixed on the limiting rod 32, prompting the limiting rod 32 to drive the second guide rod 31 to slide on the 匚-shaped plate 8, and the fourth spring 33 accumulates force, so that the limiting rod 32 can drive the limiting wedge block 35 to move to one side to release the limiting purpose of the limiting block 34, so that the strip-shaped interference block 20 vibrates up and down in the 匚-shaped plate 8 with a larger amplitude, thereby improving the efficiency of demolding cement products from the cement precast mold 2.

[0050] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0051] The above are only the preferred embodiments of the present invention,It should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A turnover device for precast cement products, comprising a cement precast mold and support frames located at both ends of the cement precast mold, characterized in that: A supporting crossbar is fixed above the supporting frame, and a lifting assembly is provided on the supporting frame, a first servo hydraulic cylinder is fixed on the lifting assembly, a mounting plate is fixed to the end of the first servo hydraulic cylinder, a servo motor is fixed to the mounting plate, and a mechanical clamp is fixed to the motor shaft of the servo motor; A 匚-shaped plate is provided at each end of the cement precast mold, and a first sliding bracket is fixed at each end of the cement precast mold. The 匚-shaped plate is slidably connected to the first sliding bracket. A first spring is connected between the 匚-shaped plate and the first sliding bracket, and the mechanical clamp is clamped on the 匚-shaped plate; A resistance plate is provided on the 匚-shaped plate, a first strip groove is provided on the resistance plate, a first sliding bracket is inserted into the first strip groove, a second strip groove is provided on the 匚-shaped plate, a sliding block is slidably connected to the second strip groove, the sliding block is fixedly connected to the resistance plate, a second sliding bracket is fixed on the 匚-shaped plate, and the second sliding bracket is elastically connected to the sliding block through a second spring; Both ends of the cement prefabricated mold are fixed with strip-shaped conflicting blocks, and the conflicting plate is fixed with trapezoidal conflicting blocks, which conflict with the strip-shaped conflicting blocks. One end of the strip-shaped conflicting block is provided with a conflicting inclined surface, and one end of the trapezoidal conflicting block is provided with a plurality of equally spaced arc-shaped protrusions; A 匚-shaped frame is provided above the contact plate, and a number of equally spaced arc-shaped contact blocks are provided at both ends of the 匚-shaped frame, and the arc-shaped contact blocks are staggered. A third strip groove is provided on the support crossbar, and the 匚-shaped frame is slidably connected in the third strip groove, and a third spring is connected between the 匚-shaped frame and the support crossbar; A resistance piece is fixed on the 匚-shaped frame, an electric push rod is fixed on one of the supporting cross bars, a strip-shaped resistance rod is fixed on the electric push rod, and the resistance piece is in conflict with the strip-shaped resistance rod.

2. The precast concrete product turnover device according to claim 1, characterized in that: The lifting assembly includes a sliding rod, which is fixed on both sides of the support frame, and a sliding seat is slidably connected to the sliding rod. A second servo hydraulic cylinder is fixed on the top of the support frame, and the hydraulic column of the second servo hydraulic cylinder is fixedly connected to the sliding seat. The first servo hydraulic cylinder is fixed on the sliding seat.

3. The precast concrete product turnover device according to claim 2, characterized in that: A first guide rod is fixed on the mounting plate and is slidably connected to the sliding seat. Mounting grooves are provided on both sides of the support frame. Moving wheels are provided in the mounting grooves. Both ends of the moving wheels are rotatably connected to the support frame.

4. The precast cement product turnover device according to claim 3, characterized in that: A second guide rod is slidably connected to the 匚-shaped plate, one end of the second guide rod is fixed with a limiting rod, the limiting rod is elastically connected to the 匚-shaped plate through a fourth spring, a limiting block is fixed on one side of the strip-shaped interference block, a limiting wedge is fixed on the limiting rod, and the limiting blocks are in contact with the limiting wedges.

5. The precast concrete product turning device according to claim 4, characterized in that: A triangular friction block is fixed on one side of the trapezoidal friction block, and an L-shaped friction strip is provided in the 匚-shaped frame, and one end of the L-shaped friction strip is fixed on the limit rod.

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