Injection mold for dune buggy hopper

Abstract

The beach buggy hopper injection mold comprises an upper mold plate, an upper mold, a lower mold, square iron and a bottom plate which are arranged from top to bottom, an injection molding mechanism is arranged on the upper mold, a product forming cavity is formed between the upper mold and the lower mold, the injection molding mechanism comprises an injection molding mechanism body, and a glue injection opening is formed in the center of the injection molding mechanism body; a plurality of injection molding communicating columns are arranged below the injection molding mechanism body, upper mold power air cylinders are installed at the four corners of the lower mold, an ejector pin mechanism is arranged on the bottom plate below the lower mold, two front side plate hole forming devices are arranged on the front side of the upper mold, and two side plate hole forming devices are arranged on each of the left side and the right side of the lower mold. The left side and the right side of the lower die are each provided with an ejector pin mechanism power device. The dune buggy hopper injection mold has the advantages of being convenient to operate, safe and efficient, and manufactured products are diversified in structure and good in performance.

Description

Technical Field

[0001] The invention relates to the technical field of injection moulds, in particular to an injection mould for a beach vehicle bucket. Background Art

[0002] Beach buggies are a common means of transportation in holiday resorts such as beaches. Beach buggy buckets, as the rear vehicle of beach buggies, have a good market prospect with the development of tourism economy. Plastic beach buggy buckets are widely used due to their convenient production, low cost and good performance. However, the product structure made by the existing beach buggy bucket injection mold is simple, and the stability, reliability and production efficiency of the mold are not high, which makes it difficult to meet the diversified and efficient production needs of beach buggy buckets. Summary of the invention

[0003] In order to solve the deficiencies of the prior art, the present invention provides a beach cart bucket injection mold, which has the advantages of easy operation, safety and high efficiency, and the manufactured products have diverse structures and good performance.

[0004] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0005] A beach car bucket injection mold comprises an upper mold plate, an upper mold, a lower mold, a square iron and a bottom plate arranged from top to bottom, an injection molding mechanism is arranged on the upper mold, a product molding cavity is formed between the upper mold and the lower mold, the injection molding mechanism comprises an injection molding mechanism body, a glue injection port is arranged at the center of the injection molding mechanism body, a plurality of injection connecting columns are arranged below the injection molding mechanism body, an upper mold power cylinder is installed at the four corners of the lower mold, an ejector mechanism is arranged on the bottom plate below the lower mold, two front plate hole forming devices are arranged on the front side of the upper mold, two side plate hole forming devices are arranged on the left and right sides of the lower mold, and an ejector mechanism power device is arranged on the left and right sides of the lower mold.

[0006] The top surface of the upper mold has an upper mold concave surface for installing the injection molding mechanism body, and an overflow glue channel is arranged on the outer side of the upper mold concave surface, and the overflow glue channel is connected to the overflow glue port on the outer side of the upper mold. An upper mold protruding molding part is arranged below the upper mold, and a plurality of molding grooves are arranged on the upper mold protruding molding part. The upper mold protruding molding part and the molding grooves constitute the molding space inside the product, a first side column molding part mounting hole is arranged on the rear side of the upper mold, and a second side column molding part mounting hole is arranged on the left and right sides of the upper mold. A side column molding part is installed in each side column molding part mounting hole, and three injection connecting column positioning holes are arranged on the front and rear sides of the upper mold.

[0007] A lower molding piece is arranged in the lower mold, and a plurality of front through-hole molding pieces are arranged on the front side of the lower molding piece. A plurality of lower mold side column molding holes are evenly arranged on the top of the lower mold. The lower mold side column molding holes are arranged one-to-one correspondingly to the side column molding pieces installed on the upper mold and have molding space for the side columns of the product. A plurality of upper side ear molding grooves are evenly arranged on the top of the lower mold. A semicircular molding column is arranged on the lower mold outside the upper side ear molding groove. A top plate rectangular column and a cross column molding surface are arranged on the front side of the top of the lower mold. A rectangular column molding structure and a cross column molding structure are arranged on the top plate rectangular column and the cross column molding surface. Two rear corner concave molding grooves are arranged at the lower rear side of the lower mold. The lower mold includes a lower mold rear molding surface, a lower mold side molding surface and a lower mold front molding surface. Each molding surface of the lower mold and the top surface of the lower molding piece constitute a molding space on the outside of the product.

[0008] The ejector mechanism comprises an ejector plate, an ejector panel and an ejector assembly, wherein the ejector assembly comprises four upper mold ejector rods arranged at four corners, a plurality of upper molds and product ejectors arranged on the outer sides of four sides, two rectangular column forming oblique columns arranged on the front side, a plurality of side column forming piece support columns arranged on the outer side of the middle part, and a plurality of middle and side through-hole forming ejectors, a plurality of rear through-hole forming columns, a plurality of lower mold positioning columns and a plurality of rectangular lower mold support pieces arranged in the middle area, wherein the tops of the upper mold ejector rods, the upper mold and the product ejectors are located on the left and right sides of the top plane of the lower mold, the tops of the rectangular column forming oblique columns are located within the rectangular column and cross column forming surfaces of the top plate of the lower mold, a side column forming piece is arranged above the side column forming piece support column, the tops of the middle and side through-hole forming ejectors and the rear through-hole forming columns are slightly higher than the top surface of the lower forming piece, and are used for through-hole forming at the bottom of the product, and the tops of the lower mold positioning columns and the lower mold support pieces are in contact with the bottom surface of the lower mold to support and position the lower mold.

[0009] The ejector mechanism power device comprises a first lifting cylinder fixed on the lower mold, the cylinder rod of the first lifting cylinder is connected with the ejector plate and the ejector panel of the ejector mechanism, and drives the ejector assembly of the ejector mechanism to move up and down.

[0010] The front plate hole forming device includes a second lifting cylinder, a push block assembly, and two front plate hole forming rods. The push block assembly includes a rectangular shell fixed on the upper mold, and an outer push block and an inner push block are movably installed in the rectangular shell. The outer side of the outer push block is slidably arranged on the vertical guide rail of the rectangular shell, and the inclined surface of the outer push block is slidably matched with the inclined surface of the inner push block. The outer side of the inner push block is slidably arranged on the inclined guide rail of the inclined surface of the outer push block. The two front plate hole forming rods are movably installed from top to bottom on the first left and right horizontal guide rails and the second left and right horizontal guide rails on the inner side of the inner push block. The horizontal movement is installed on the upper mold, and the cylinder body of the second lifting cylinder is fixed on the upper mold. The top of the cylinder rod of the second lifting cylinder slides with the left and right horizontal guide rails at the bottom of the push-out block. Since the inner push block is limited in height by the lower mold, the cylinder rod of the second lifting cylinder drives the push-out block to move upward when it rises, and the push-out block pushes the inner push block and the two front plate hole forming rods installed thereon to move outward at the inclined surface. When the cylinder rod of the second lifting cylinder descends, it drives the push-out block to move downward, and then the push-out block drives the inner push block and the two front plate hole forming rods installed thereon to move inward at the inclined surface.

[0011] The upper ear hole forming device includes a cylinder seat fixed on the top of the lower mold, a third lifting cylinder is fixedly installed on the cylinder seat, the cylinder rod of the third lifting cylinder is inclined and movably installed on the horizontal push block, the horizontal push block is slidably set on the horizontal guide rail of the cylinder seat, an upper ear hole forming rod is fixed on the inner side of the horizontal push block, and when the third lifting cylinder drives the cylinder rod to rise and fall, it drives the horizontal push block to move inward or outward. When the horizontal push block moves inward, the upper ear hole forming rod reaches the forming position of the upper ear hole, and when the horizontal push block moves outward, the upper ear hole forming rod exits the forming position of the upper ear hole.

[0012] The two side plate hole forming devices include a front one for a first side plate hole forming device and a rear one for a second side plate hole forming device. The first side plate hole forming device includes a fourth lifting cylinder, a push block assembly, and two side plate hole forming rods. The push block assembly includes a rectangular shell fixed to the lower mold, and an outer push block and an inner push block are movably installed in the rectangular shell. The outer side of the outer push block is slidably arranged on a vertical guide rail of the rectangular shell, and the inclined surface of the outer push block is slidably matched with the inclined surface of the inner push block. The outer side of the inner push block is slidably arranged on the inclined guide rail of the inclined surface of the outer push block. The two side plate hole forming rods are movably installed from top to bottom on the first front and rear water tanks inside the inner push block. On the flat guide rail and the second front and rear horizontal guide rails, the inner side of the inner push block is horizontally movably installed on the lower mold, the cylinder body of the fourth lifting cylinder is fixed on the lower mold, and the top of the cylinder rod of the fourth lifting cylinder is slidably matched with the left and right horizontal guide rails at the bottom of the outer push block. Since the inner push block is limited in height by the lower mold, the cylinder rod of the fourth lifting cylinder drives the outer push block to move upward when it rises, and the outer push block pushes the inner push block and the two side plate hole forming rods installed thereon to move inward at the inclined surface. When the cylinder rod of the fourth lifting cylinder descends, it drives the outer push block to move downward, and then the outer push block drives the inner push block and the two side plate hole forming rods installed thereon to move outward at the inclined surface;

[0013] The second side plate hole forming device is a rear corner side plate hole forming device, which includes a fifth lifting cylinder, a push block assembly, a rear corner plate circular hole forming rod, and two side plate hole forming rods. The push block assembly includes a rectangular shell fixed on the lower mold, and an outer push block and an inner push block are movably installed in the rectangular shell. The outer side of the outer push block is slidably arranged on the vertical guide rail of the rectangular shell, and the inclined surface of the outer push block is slidably matched with the inclined surface of the inner push block. The outer side of the inner push block is slidably arranged on the inclined guide rail of the inclined surface of the outer push block. A rear corner plate circular hole forming rod and two side plate hole forming rods are movably installed from top to bottom on three front and rear horizontal guides on the inner side of the inner push block. The inner side of the inner push block is horizontally movably installed on the lower mold, the cylinder body of the fifth lifting cylinder is fixed on the lower mold, the top of the cylinder rod of the fifth lifting cylinder slides with the left and right horizontal guide rails at the bottom of the outer push block. Since the inner push block is limited in height by the lower mold, the cylinder rod of the fifth lifting cylinder drives the outer push block to move upward when it rises, and the outer push block pushes the inner push block and the rear angle plate circular hole forming rod and the side plate hole forming rod installed thereon to move inward at the inclined surface. When the cylinder rod of the fifth lifting cylinder descends, it drives the outer push block to move downward, and then the outer push block drives the inner push block and the rear angle plate circular hole forming rod and the side plate hole forming rod installed thereon to move outward at the inclined surface.

[0014] The present invention also provides a beach truck bucket, comprising an integrally formed truck bucket bottom plate, a truck bucket rear plate, a truck bucket front plate, a truck bucket left side plate and a truck bucket right side plate, a truck bucket top side plate is arranged above the truck bucket rear plate, the truck bucket left side plate and the truck bucket right side plate, a U-shaped truck bucket front side plate is arranged on the front side of the truck bucket top side plate, a front side plate hole is arranged on the truck bucket front side plate, side columns connected to the truck bucket top side plate are vertically arranged on the truck bucket rear plate, the truck bucket left side plate and the truck bucket right side plate, the height of each side column is different, and a side column hole is penetrated in each side column, two side plate holes are arranged on the front of the truck bucket left side plate and the truck bucket right side plate, and rear corner recesses are formed on the outer sides of the truck bucket left side plate and the truck bucket right side plate, and the rear corner recesses are provided with a rear corner plate with a circular hole and two rear corner side plate holes from top to bottom.

[0015] The top side plate of the truck bed is U-shaped, including a rear top side, a left top side and a right top side. The top side plate of the truck bed is provided with a plurality of semicircular holes at intervals on the rear side, the left side and the right side, and the truck bed rear plate, the truck bed left side plate and the truck bed right side plate inside the semicircular holes are provided with upper side ears correspondingly; rectangular columns and cross columns are provided on the bottom surfaces of the left and right sides of the front side of the top side plate of the truck bed, and a plurality of bottom plate convex strips and front through holes, middle through holes, rear through holes and side through holes are alternately provided on the front side of the truck bed bottom plate, and a plurality of bottom surface convex strips and a plurality of transverse reinforcing plates are provided on the back side of the truck bed bottom plate, and a plurality of reinforcing plate concave holes are also provided on the rear transverse reinforcing plate.

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

[0017] 1. The injection molding mechanism is connected to the injection molding channel. The upper mold, lower mold and lower molded part constitute the molding surfaces of the product. The molding devices and ejector mechanism work together to achieve one-time injection molding of the product with high production efficiency.

[0018] 2. The structure is designed reasonably, the operation is convenient, the operation is stable, safe and reliable, the service life is long, and the product has beautiful appearance and good performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of an injection mold for a beach cart bucket of the present invention;

[0020] Figure 2 This is a front view of an injection mold for a beach cart bucket of the present invention;

[0021] Figure 3 It is a right side view of an injection mold for a beach cart bucket of the present invention;

[0022] Figure 4 This is a three-dimensional diagram of the mold of the present invention after removing the upper template;

[0023] Figure 5 This is a top view of the mold of the present invention after removing the upper template;

[0024] Figure 6 A three-dimensional diagram of the upper mold of the present invention;

[0025] Figure 7 A top view of the upper mold of the present invention;

[0026] Figure 8 A bottom view of the upper die of the present invention;

[0027] Fig. 9 A three-dimensional diagram of the lower mold and the lower molded part of the present invention;

[0028] Fig.10 A top view of the lower mold and the lower molded part of the present invention;

[0029] Fig.11 It is a three-dimensional diagram of the present invention after removing the upper and lower molds (retaining the injection molding mechanism);

[0030] Fig.12 It is a top view of the present invention after removing the upper and lower molds (retaining the injection molding mechanism);

[0031] Fig.13 This is the front view of the present invention after removing the upper and lower molds (retaining the injection molding mechanism);

[0032] Fig.14 The right side view of the present invention after removing the upper and lower molds (retaining the injection molding mechanism);

[0033] Fig.15 is a three-dimensional diagram of the ejector mechanism of the present invention;

[0034] Fig.16 It is a right side view of the ejector mechanism of the present invention;

[0035] Fig.17 is a top view of the ejector mechanism of the present invention;

[0036] Fig.18 It is a front view of the ejector mechanism of the present invention;

[0037] Fig.19 It is a front view of the beach cart bucket of the present invention;

[0038] Fig. 20 A top view of the beach cart bucket of the present invention;

[0039] Fig.21 It is a right side view of the beach cart bucket of the present invention;

[0040] Fig. 22 A bottom view of the beach cart bucket of the present invention;

[0041] Fig.23 A three-dimensional diagram of a beach cart bucket of the present invention;

[0042] In the figure: 10-upper template, 101-glue injection port, 102-injection mechanism body, 103-injection connecting column, 11-upper mold, 110-upper mold concave surface, 111-first side column molding component mounting hole, 112-injection connecting column positioning hole, 113-second side column molding component mounting hole, 115-upper mold protruding molding part, 116-molding groove, 12-lower mold, 120-upper mold power cylinder mounting hole, 121-lower mold fixed column mounting groove, 122-upper mold ejector rod mounting hole, 123-upper mold power cylinder;

[0043] 13-square iron, 14-bottom plate, 15-side plate hole forming device, 150-upper side ear hole forming device, 16-front side plate hole forming device, 17-thrower mechanism power device, 18-thrower mechanism;

[0044] 180- ejector plate, 181- ejector panel, 182- upper mold ejector rod, 183- upper mold and product ejector, 184- side column forming part support column, 185- rectangular column forming oblique column, 186- middle and side through-hole forming ejector, 187- lower mold positioning column, 188- rear through-hole forming column, 189- lower mold support;

[0045] 19-lower molded part, 190-lower mold rear molding surface, 191-lower mold side column molding hole, 192-rear corner concave molding groove, 193-lower mold side molding surface, 194-lower mold front molding surface, 195-top plate rectangular column and cross column molding surface;

[0046] 20-beach truck bucket, 201-truck bucket rear plate, 202-truck bucket front plate, 203-truck bucket left plate, 204-truck bucket right plate, 2040-rear corner recess, 204a-rear corner side plate hole, 2041-rear corner plate, 204b-side plate hole, 2042-upper side ear, 205-truck bucket bottom plate, 2050-bottom plate convex strip, 2051-transverse reinforcement plate, 2052-bottom surface convex strip;

[0047] 205a-front through hole, 205b-middle through hole, 205c-rear through hole, 205d-side through hole, 205e-reinforcement plate concave hole, 206-car bucket top side plate, 2060-rear top edge, 2061-left top edge, 2062-right top edge, 2063-side column hole, 2064-side column, 2065-thrust pin position, 2066-semicircular hole, 2067-rectangular column, 2068-cross column. DETAILED DESCRIPTION

[0048] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0049] like Figure 1-3As shown, a beach car bucket injection mold provided by the present invention comprises an upper mold plate 10, an upper mold 11, a lower mold 12, a square iron 13 and a bottom plate 14 arranged from top to bottom, an injection molding mechanism is arranged on the upper mold 11, and a product molding cavity is formed between the upper mold 11 and the lower mold 12, the injection molding mechanism comprises an injection molding mechanism body 102, a glue injection port 101 is arranged at the center of the injection molding mechanism body 102, a plurality of injection connecting columns 103 are arranged below the injection molding mechanism body 102, an upper mold power cylinder 123 is installed at the four corners of the lower mold 12, an ejector mechanism 18 is arranged on the bottom plate 14 below the lower mold 12, two front plate hole forming devices 16 are arranged on the front side of the upper mold 11, two side plate hole forming devices 15 are arranged on the left and right sides of the lower mold 12, and an ejector mechanism power device 17 is arranged on the left and right sides of the lower mold 12, and the ejector mechanism power device 17 is located between the two side plate hole forming devices 15.

[0050] like Figure 4-8 As shown, the top surface of the upper mold 11 has an upper mold concave surface 110 for installing the injection molding mechanism body 102, and a glue overflow channel is arranged on the outer side of the upper mold concave surface 110, and the glue overflow channel is connected to the glue overflow port on the outer side of the upper mold 11, and an upper mold protruding molding part 115 is arranged below the upper mold 11, and a plurality of molding grooves 116 are arranged on the upper mold protruding molding part 115. The upper mold protruding molding part 115 and the molding grooves 116 constitute the molding space inside the product, and a first side column molding part mounting hole 111 is arranged on the rear side of the upper mold 11, and second side column molding part mounting holes 113 are arranged on the left and right sides of the upper mold 11, and a side column 2064 molding part is installed in each side column molding part mounting hole, and three injection connecting column positioning holes 112 are arranged on the front and back sides of the upper mold 11.

[0051] like Figure 9-14 As shown, the lower mold 12 is provided with a lower molding piece 19, and a plurality of front through-hole molding pieces 205a are provided on the front side of the lower molding piece 19. A plurality of lower mold side column molding holes 191 are evenly provided on the top of the lower mold 12. The lower mold side column molding holes 191 are arranged one by one with the side column 2064 molding pieces installed on the upper mold 11 and have a molding space for the product side column 2064. A plurality of upper side ear 2042 molding grooves are evenly provided on the top of the lower mold 12. A semi-circular molding groove 2042 is provided on the lower mold 12 outside the upper side ear 2042 molding groove. A circular molding column, a top plate rectangular column and a cross column molding surface 195 are arranged on the front side of the top of the lower mold 12, a rectangular column 2067 molding structure and a cross column 2068 molding structure are arranged on the top plate rectangular column and the cross column molding surface 195, two rear corner recessed molding grooves 192 are arranged at the lower rear side of the lower mold 12, the lower mold 12 includes a lower mold rear molding surface 190, a lower mold side molding surface 193 and a lower mold front molding surface 194, and each molding surface of the lower mold 12 and the top surface of the lower molding part 19 constitute the molding space outside the product.

[0052] The lower mold 12 is provided with upper mold power cylinder mounting holes 120 at the four corners, and multiple lower mold fixing column mounting grooves 121 are evenly arranged on each side of the lower mold 12. The lower mold 12 is installed on the square iron 13 through the lower mold 12 fixing columns. The lower mold 12 is also provided with multiple upper mold ejector rod mounting holes 122 and upper mold and product ejector pin 183 mounting holes, which are respectively used for the installation of the upper mold ejector rod 182 and the upper mold and product ejector pin 183.

[0053] like Figure 15-18 As shown, the ejector mechanism 18 includes an ejector plate 180, an ejector panel 181 and an ejector assembly, wherein the ejector assembly includes four upper mold ejector rods 182 arranged at four corners, a plurality of upper molds and product ejectors 183 arranged on the outside of four sides, two rectangular column forming inclined columns 185 arranged on the front side, a plurality of side column forming component support columns 184 arranged on the outside of the middle part, and a plurality of middle and side through-hole forming ejectors 186 arranged in the middle area, a plurality of rear through-hole forming columns 188, a plurality of lower mold positioning columns 187 and a plurality of rectangular lower mold support members 189, wherein the upper mold ejector rods 182. The top of the upper mold and the product ejector pin 183 are located on the left and right sides of the top plane of the lower mold 12. The top of the rectangular column forming inclined column 185 is located in the rectangular column and cross column forming surface 195 of the top plate of the lower mold 12. A side column 2064 forming part is provided above the side column forming part support column 184. The tops of the middle and side through-hole forming ejectors 186 and the rear through-hole forming columns 188 are slightly higher than the top surface of the lower forming part 19, which are used for through-hole forming at the bottom of the product. The tops of the lower mold positioning columns 187 and the lower mold support members 189 are in contact with the bottom surface of the lower mold 12, which play a role in supporting and positioning the lower mold 12.

[0054] The ejector mechanism power device 17 includes a first lifting cylinder fixed on the lower mold 12, and the cylinder rod of the first lifting cylinder is connected to the ejector plate 180 and the ejector panel 181 of the ejector mechanism 18 to drive the ejector assembly of the ejector mechanism 18 to move up and down.

[0055] The front plate hole forming device 16 includes a second lifting cylinder, a push block assembly, and two front plate hole forming rods. The push block assembly includes a rectangular shell fixed on the upper mold 11, and an outer push block and an inner push block are movably installed in the rectangular shell. The outer side of the outer push block is slidably set on the vertical guide rail of the rectangular shell, and the inclined surface of the outer push block is slidably matched with the inclined surface of the inner push block. The outer side of the inner push block is slidably set on the inclined guide rail of the inclined surface of the outer push block. The two front plate hole forming rods are movably installed from top to bottom on the first left and right horizontal guide rails and the second left and right horizontal guide rails on the inner side of the inner push block. It is movably installed on the upper mold 11, and the cylinder body of the second lifting cylinder is fixed on the upper mold 11. The top of the cylinder rod of the second lifting cylinder slides with the left and right horizontal guide rails at the bottom of the push-out block. Since the inner push block is limited in height by the lower mold 12, the cylinder rod of the second lifting cylinder drives the push-out block to move upward when it rises, and the push-out block pushes the inner push block and the two front plate hole forming rods installed thereon to move outward at the inclined surface. When the cylinder rod of the second lifting cylinder descends, it drives the push-out block to move downward, and then the push-out block drives the inner push block and the two front plate hole forming rods installed thereon to move inward at the inclined surface.

[0056] The upper ear hole forming device 150 includes a cylinder seat fixed on the top of the lower mold 12, and a third lifting cylinder is fixedly installed on the cylinder seat. The cylinder rod of the third lifting cylinder is tilted and movably installed on the horizontal push block. The horizontal push block is slidably set on the horizontal guide rail of the cylinder seat, and an upper ear hole forming rod is fixed on the inner side of the horizontal push block. When the third lifting cylinder drives the cylinder rod to rise and fall, it drives the horizontal push block to move inward or outward. When the horizontal push block moves inward, the upper ear hole forming rod reaches the forming position of the upper ear hole. When the horizontal push block moves outward, the upper ear hole forming rod withdraws from the forming position of the upper ear hole.

[0057] Of the two side plate hole forming devices 15, the front one is the first side plate hole forming device 15, and the rear one is the second side plate hole forming device 15. The first side plate hole forming device 15 includes a fourth lifting cylinder, a push block assembly, and two side plate hole 204b forming rods. The push block assembly includes a rectangular shell fixed to the lower mold 12, and an outer push block and an inner push block are movably installed in the rectangular shell. The outer side of the outer push block is slidably arranged on the vertical guide rail of the rectangular shell, and the inclined surface of the outer push block is slidably matched with the inclined surface of the inner push block. The outer side of the inner push block is slidably arranged on the inclined guide rail of the inclined surface of the outer push block. The two side plate hole 204b forming rods are movably installed from top to bottom on the first front side of the inner push block. On the rear horizontal guide rail and the second front and rear horizontal guide rails, the inner side of the inner push block is horizontally movably installed on the lower mold 12, the cylinder body of the fourth lifting cylinder is fixed on the lower mold 12, and the top of the cylinder rod of the fourth lifting cylinder slides with the left and right horizontal guide rails at the bottom of the outer push block. Since the inner push block is limited in height by the lower mold 12, the cylinder rod of the fourth lifting cylinder drives the outer push block to move upward when it rises, and the outer push block pushes the inner push block and the two side plate hole 204b forming rods installed thereon to move inward at the inclined surface. When the cylinder rod of the fourth lifting cylinder descends, it drives the outer push block to move downward, and then the outer push block drives the inner push block and the two side plate hole 204b forming rods installed thereon to move outward at the inclined surface;

[0058] The second side plate hole forming device 15 is a rear corner side plate hole forming device 15, and the second side plate hole forming device 15 includes a fifth lifting cylinder, a push block assembly, a rear corner plate circular hole forming rod, and two side plate hole forming rods. The push block assembly includes a rectangular shell fixed on the lower mold 12, and an outer push block and an inner push block are movably installed in the rectangular shell. The outer side of the outer push block is slidably arranged on the vertical guide rail of the rectangular shell, and the inclined surface of the outer push block is slidably matched with the inclined surface of the inner push block. The outer side of the inner push block is slidably arranged on the inclined guide rail of the inclined surface of the outer push block. A rear corner plate circular hole forming rod and two side plate hole forming rods are movably installed from top to bottom on three front and rear horizontal On the guide rail, the inner side of the inner push block is horizontally movably installed on the lower mold 12, the cylinder body of the fifth lifting cylinder is fixed on the lower mold 12, and the top of the cylinder rod of the fifth lifting cylinder slides with the left and right horizontal guide rails at the bottom of the outer push block. Since the inner push block is limited in height by the lower mold 12, the cylinder rod of the fifth lifting cylinder drives the outer push block to move upward when it rises, and the outer push block pushes the inner push block and the rear angle plate circular hole forming rod and the side plate hole forming rod installed thereon to move inward at the inclined surface; when the cylinder rod of the fifth lifting cylinder descends, it drives the outer push block to move downward, and then the outer push block drives the inner push block and the rear angle plate circular hole forming rod and the side plate hole forming rod installed thereon to move outward at the inclined surface.

[0059] like Figure 19-23As shown, a beach truck 20 provided by the present invention comprises an integrally formed truck bottom plate 205, a truck rear plate 201, a truck front side plate 202, a truck left side plate 203 and a truck right side plate 204, a truck top side plate 206 is arranged above the truck rear plate 201, the truck left side plate 203 and the truck right side plate 204, a U-shaped truck front side plate 202 is arranged on the front side of the truck top side plate 206, a front side plate hole is arranged on the truck front side plate 202, the truck rear plate 201, the truck left side plate 203 and the truck right side plate A side column 2064 connected to the top side plate 206 of the truck bed is vertically provided on 204, and the height of each side column 2064 is different. A side column hole 2063 is penetrated in each side column 2064. Two side plate holes 204b are provided at the front of the left side plate 203 and the right side plate 204 of the truck bed. A rear corner recess 2040 is formed on the outer side of the left side plate 203 and the right side plate 204 of the truck bed, and the rear corner recess 2040 is provided with a rear corner plate 2041 with a circular hole and two rear corner side plate holes 204a from top to bottom.

[0060] The top side plate 206 of the truck bed is U-shaped and includes a rear top side 2060, a left top side 2061 and a right top side 2062. The top side plate 206 of the truck bed is provided with a plurality of semicircular holes 2066 at intervals on the rear, left and right sides, and upper side ears 2042 are provided on the truck bed rear plate 201, the truck bed left side plate 203 and the truck bed right side plate 204 inside the semicircular holes 2066. Rectangular columns 2067 and cross columns 2068 are provided on the bottom surfaces of the left and right sides of the front side of the top side plate 206, and a plurality of ejector pin positions 2065 are also formed on the bottom surface of the top side plate 206 of the truck bed.

[0061] The front side of the truck bed bottom plate 205 is alternately provided with a plurality of bottom plate ridges 2050, a front through hole 205a, a middle through hole 205b, a rear through hole 205c, and a side through hole 205d. The back side of the truck bed bottom plate 205 is provided with a plurality of bottom surface ridges 2052 and a plurality of transverse reinforcing plates 2051, and a plurality of reinforcing plate concave holes 205e are also provided on the rear transverse reinforcing plate 2051.

[0062] The working principle of the present invention is as follows: 1) after the upper and lower molds 12 are closed, the ejector mechanism 18 is located on the bottom plate 14, and the molded parts of each molding device move to the molding position under the action of the power mechanism of each molding device; 2) the glue is added to the glue injection port 101, and then sent into the space between the upper and lower molds 12 through the injection connecting column 103 of the injection molding mechanism to realize the injection molding of the product; 3) the upper mold power cylinder 123 moves upward and pushes the upper mold 11, the injection molding mechanism and the product to be separated; 4) the molded parts of each molding device exit the molding position, and under the action of the ejector mechanism power device 17, the ejector mechanism 18 ejects the product upward, and the product is taken out after it is completely separated from the lower mold 12; 5) the ejector mechanism power device 17 drives the ejector mechanism 18 to move downward to the initial position, and the upper mold power cylinder 123 moves downward to make the upper mold 11 and the injection molding mechanism move downward to the initial position, the upper and lower molds 12 are closed again, and the upper mold 11, the injection molding mechanism and the ejector mechanism 18 are connected, and the next product injection molding begins.

[0063] It should be noted that the above embodiments are merely preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. All equivalent modifications made on the basis of the above embodiments belong to the protection scope of the present invention.

Claims

1. A beach car bucket injection mold, characterized by: It comprises an upper mold plate, an upper mold, a lower mold, a square iron and a bottom plate which are arranged from top to bottom; an injection molding mechanism is arranged on the upper mold; a product molding cavity is formed between the upper mold and the lower mold; the injection molding mechanism comprises an injection molding mechanism body; a glue injection port is arranged at the center of the injection molding mechanism body; a plurality of injection connecting columns are arranged below the injection molding mechanism body; upper mold power cylinders are installed at the four corners of the lower mold; an ejector mechanism is arranged on the bottom plate below the lower mold; two front plate hole forming devices are arranged on the front side of the upper mold; two side plate hole forming devices are arranged on the left and right sides of the lower mold; and an ejector mechanism power device is arranged on the left and right sides of the lower mold.

2. The injection mold for a beach cart bucket according to claim 1, characterized in that: The top surface of the upper mold has an upper mold concave surface for installing the injection molding mechanism body, and an overflow glue channel is arranged on the outer side of the upper mold concave surface, and the overflow glue channel is connected to the overflow glue port on the outer side of the upper mold. An upper mold protruding molding part is arranged below the upper mold, and a plurality of molding grooves are arranged on the upper mold protruding molding part. The upper mold protruding molding part and the molding grooves constitute the molding space inside the product, a first side column molding part mounting hole is arranged on the rear side of the upper mold, and a second side column molding part mounting hole is arranged on the left and right sides of the upper mold. A side column molding part is installed in each side column molding part mounting hole, and three injection connecting column positioning holes are arranged on the front and rear sides of the upper mold.

3. The injection mold for a beach cart bucket according to claim 2, characterized in that: A lower molding piece is arranged in the lower mold, and a plurality of front through-hole molding pieces are arranged on the front side of the lower molding piece. A plurality of lower mold side column molding holes are evenly arranged on the top of the lower mold. The lower mold side column molding holes are arranged one-to-one correspondingly to the side column molding pieces installed on the upper mold and have molding space for the side columns of the product. A plurality of upper side ear molding grooves are evenly arranged on the top of the lower mold. A semicircular molding column is arranged on the lower mold outside the upper side ear molding groove. A top plate rectangular column and a cross column molding surface are arranged on the front side of the top of the lower mold. A rectangular column molding structure and a cross column molding structure are arranged on the top plate rectangular column and the cross column molding surface. Two rear corner concave molding grooves are arranged at the lower rear side of the lower mold. The lower mold includes a lower mold rear molding surface, a lower mold side molding surface and a lower mold front molding surface. Each molding surface of the lower mold and the top surface of the lower molding piece constitute a molding space on the outside of the product.

4. The injection mold for a beach cart bucket according to claim 3, characterized in that: The ejector mechanism comprises an ejector plate, an ejector panel and an ejector assembly, wherein the ejector assembly comprises four upper mold ejector rods arranged at four corners, a plurality of upper molds and product ejectors arranged on the outer sides of four sides, two rectangular column forming oblique columns arranged on the front side, a plurality of side column forming piece support columns arranged on the outer side of the middle part, and a plurality of middle and side through-hole forming ejectors, a plurality of rear through-hole forming columns, a plurality of lower mold positioning columns and a plurality of rectangular lower mold support pieces arranged in the middle area, wherein the tops of the upper mold ejector rods, the upper mold and the product ejectors are located on the left and right sides of the top plane of the lower mold, the tops of the rectangular column forming oblique columns are located within the rectangular column and cross column forming surfaces of the top plate of the lower mold, a side column forming piece is arranged above the side column forming piece support column, the tops of the middle and side through-hole forming ejectors and the rear through-hole forming columns are slightly higher than the top surface of the lower forming piece, and are used for through-hole forming at the bottom of the product, and the tops of the lower mold positioning columns and the lower mold support pieces are in contact with the bottom surface of the lower mold to support and position the lower mold.

5. The injection mold for a beach cart bucket according to claim 4, characterized in that: The ejector mechanism power device comprises a first lifting cylinder fixed on the lower mold, the cylinder rod of the first lifting cylinder is connected with the ejector plate and the ejector panel of the ejector mechanism, and drives the ejector assembly of the ejector mechanism to move up and down.

6. The injection mold for a beach cart bucket according to claim 5, characterized in that: The front plate hole forming device includes a second lifting cylinder, a push block assembly, and two front plate hole forming rods. The push block assembly includes a rectangular shell fixed on the upper mold, and an outer push block and an inner push block are movably installed in the rectangular shell. The outer side of the outer push block is slidably arranged on the vertical guide rail of the rectangular shell, and the inclined surface of the outer push block is slidably matched with the inclined surface of the inner push block. The outer side of the inner push block is slidably arranged on the inclined guide rail of the inclined surface of the outer push block. The two front plate hole forming rods are movably installed from top to bottom on the first left and right horizontal guide rails and the second left and right horizontal guide rails on the inner side of the inner push block. The horizontal movement is installed on the upper mold, and the cylinder body of the second lifting cylinder is fixed on the upper mold. The top of the cylinder rod of the second lifting cylinder slides with the left and right horizontal guide rails at the bottom of the push-out block. Since the inner push block is limited in height by the lower mold, the cylinder rod of the second lifting cylinder drives the push-out block to move upward when it rises, and the push-out block pushes the inner push block and the two front plate hole forming rods installed thereon to move outward at the inclined surface. When the cylinder rod of the second lifting cylinder descends, it drives the push-out block to move downward, and then the push-out block drives the inner push block and the two front plate hole forming rods installed thereon to move inward at the inclined surface.

7. The injection mold for a beach cart bucket according to claim 6, characterized in that: The upper ear hole forming device includes a cylinder seat fixed on the top of the lower mold, a third lifting cylinder is fixedly installed on the cylinder seat, the cylinder rod of the third lifting cylinder is inclined and movably installed on the horizontal push block, the horizontal push block is slidably set on the horizontal guide rail of the cylinder seat, an upper ear hole forming rod is fixed on the inner side of the horizontal push block, and when the third lifting cylinder drives the cylinder rod to rise and fall, it drives the horizontal push block to move inward or outward. When the horizontal push block moves inward, the upper ear hole forming rod reaches the forming position of the upper ear hole, and when the horizontal push block moves outward, the upper ear hole forming rod exits the forming position of the upper ear hole.

8. The injection mold for a beach cart bucket according to claim 7, characterized in that: The two side plate hole forming devices include a front one for a first side plate hole forming device and a rear one for a second side plate hole forming device. The first side plate hole forming device includes a fourth lifting cylinder, a push block assembly, and two side plate hole forming rods. The push block assembly includes a rectangular shell fixed to the lower mold, and an outer push block and an inner push block are movably installed in the rectangular shell. The outer side of the outer push block is slidably arranged on a vertical guide rail of the rectangular shell, and the inclined surface of the outer push block is slidably matched with the inclined surface of the inner push block. The outer side of the inner push block is slidably arranged on the inclined guide rail of the inclined surface of the outer push block. The two side plate hole forming rods are movably installed from top to bottom on the first front and rear water tanks inside the inner push block. On the flat guide rail and the second front and rear horizontal guide rails, the inner side of the inner push block is horizontally movably installed on the lower mold, the cylinder body of the fourth lifting cylinder is fixed on the lower mold, and the top of the cylinder rod of the fourth lifting cylinder is slidably matched with the left and right horizontal guide rails at the bottom of the outer push block. Since the inner push block is limited in height by the lower mold, the cylinder rod of the fourth lifting cylinder drives the outer push block to move upward when it rises, and the outer push block pushes the inner push block and the two side plate hole forming rods installed thereon to move inward at the inclined surface. When the cylinder rod of the fourth lifting cylinder descends, it drives the outer push block to move downward, and then the outer push block drives the inner push block and the two side plate hole forming rods installed thereon to move outward at the inclined surface; The second side plate hole forming device is a rear corner side plate hole forming device, which includes a fifth lifting cylinder, a push block assembly, a rear corner plate circular hole forming rod, and two side plate hole forming rods. The push block assembly includes a rectangular shell fixed on the lower mold, and an outer push block and an inner push block are movably installed in the rectangular shell. The outer side of the outer push block is slidably arranged on the vertical guide rail of the rectangular shell, and the inclined surface of the outer push block is slidably matched with the inclined surface of the inner push block. The outer side of the inner push block is slidably arranged on the inclined guide rail of the inclined surface of the outer push block. A rear corner plate circular hole forming rod and two side plate hole forming rods are movably installed from top to bottom on three front and rear horizontal guides on the inner side of the inner push block. The inner side of the inner push block is horizontally movably installed on the lower mold, the cylinder body of the fifth lifting cylinder is fixed on the lower mold, the top of the cylinder rod of the fifth lifting cylinder slides with the left and right horizontal guide rails at the bottom of the outer push block. Since the inner push block is limited in height by the lower mold, the cylinder rod of the fifth lifting cylinder drives the outer push block to move upward when it rises, and the outer push block pushes the inner push block and the rear angle plate circular hole forming rod and the side plate hole forming rod installed thereon to move inward at the inclined surface. When the cylinder rod of the fifth lifting cylinder descends, it drives the outer push block to move downward, and then the outer push block drives the inner push block and the rear angle plate circular hole forming rod and the side plate hole forming rod installed thereon to move outward at the inclined surface.

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