阅读说明：本技术 一种无毒改性pvc健身球体生产工艺 (Production process of nontoxic modified PVC body-building ball ) 是由 詹智胜 于 2021-11-01 设计创作，主要内容包括：本发明涉及健身器械技术领域,特别涉及一种无毒改性PVC健身球体生产工艺,由底板、回收装置、执行装置、U型架和注料装置配合完成无毒改性PVC健身球体的生产；本发明可以解决目前的健身球在制造的过程中主要存在的搪塑成型的健身球制造时内部多余的原料难以排出,从而影响健身球的生产质量,并且健身球在制造时熔融的原料中存在部分气泡,导致后期胶凝成型的健身球结构上存在瑕疵,并且健身球内部多余的原料排出的过程中难以快速被冷却回收等问题；本发明提高了生产的健身球的质量。(The invention relates to the technical field of fitness equipment, in particular to a production process of a non-toxic modified PVC fitness sphere, which is characterized in that a bottom plate, a recovery device, an execution device, a U-shaped frame and an injection device are matched to complete the production of the non-toxic modified PVC fitness sphere; the invention can solve the problems that the redundant raw materials in the slush molding exercise ball which mainly exists in the manufacturing process of the prior exercise ball are difficult to discharge so as to influence the production quality of the exercise ball, partial bubbles exist in the melted raw materials in the manufacturing process of the exercise ball, so that the structure of the exercise ball formed by later-stage gelatinization has flaws, the redundant raw materials in the exercise ball are difficult to be cooled and recycled quickly in the discharging process, and the like; the invention improves the quality of the produced fitness ball.)

1. A production process of a nontoxic modified PVC body-building sphere is characterized by comprising the following steps: the production process of the nontoxic modified PVC body-building sphere comprises the following steps:

s1, injecting: firstly, manually heating and melting a non-toxic modified PVC production raw material, injecting the molten non-toxic modified PVC production raw material into an injection device (5), further stirring, and guiding the molten non-toxic modified PVC production raw material into a slush molding unit (30);

s2, slush molding: the rotational motor (34) works to drive the slush molding unit (30) to rotate at a high speed, and further, the melted raw materials are uniformly attached to the inside of the slush molding unit (30) and are rapidly gelled and formed;

s3, discharging and recycling excess materials: discharging redundant raw materials after the internal gel forming of the slush molding unit (30) and then recycling the raw materials through a recycling device (2);

s4, cooling and demolding: when the hollow ball formed by gelling in the slush molding unit (30) is completely cooled and formed, manually taking out the formed hollow ball;

the production process steps of the nontoxic modified PVC fitness ball in the steps S1-S4 are completed by matching the bottom plate (1), the recovery device (2), the execution device (3), the U-shaped frame (4) and the material injection device (5); wherein:

an executing device (3) is arranged on the upper surface of the bottom plate (1) close to the left side, the U-shaped frame (4) is arranged on the upper end surface of the bottom plate (1), the executing device (3) is located inside the U-shaped frame (4), a material injecting device (5) is arranged on the upper end surface of the U-shaped frame (4), and the material injecting device (5) is located right above the executing device (3); the recovery device (2) is arranged on the upper end surface of the bottom plate (1), and the recovery device (2) is positioned on the right side of the execution device (3);

the executing device (3) comprises a fixing plate (31), an adjusting cylinder (32), a limiting sleeve (33), a rotating motor (34), an executing frame (35), a limiting shaft lever (36), a direction adjusting motor (37), a direction adjusting rotating shaft (38), a direction adjusting gear (39) and a slush molding unit (30); the fixing plate (31) is arranged on the bottom plate (1), the number of the adjusting cylinders (32) is two, the adjusting cylinders (32) are symmetrically arranged on the bottom plate (1) in the front-back direction, the adjusting cylinders (32) are positioned on the right side of the fixing plate (31), the outer wall of the bottom end of the limiting sleeve (33) is connected with the upper end of the fixing plate (31) through a hinge, and the lower end face of the limiting sleeve (33) is movably connected with the telescopic end of the adjusting cylinders (32); a rotating motor (34) is mounted on the inner wall of the bottom end of the limiting sleeve (33) through a motor base, an annular sliding groove is formed in the lower end face of the execution frame (35), and the annular sliding groove of the execution frame (35) is mounted at the upper end of the limiting sleeve (33); an output shaft of the rotating motor (34) is connected with the lower end of the actuating frame (35) through a flange, a direction adjusting motor (37) is installed on the inner wall of the rear portion of the actuating frame (35) through a motor base, an output shaft of the direction adjusting motor (37) is connected with a shaft head of the rear end of the direction adjusting rotating shaft (38) through a coupler, a shaft head of the front end of the direction adjusting rotating shaft (38) is connected with the inner wall of the front portion of the actuating frame (35) through a bearing, a direction adjusting gear (39) is arranged on the outer wall of the middle portion of the direction adjusting rotating shaft (38), the limiting shaft lever (36) is arranged inside the actuating frame (35), and the limiting shaft lever (36) is located right above the direction adjusting rotating shaft (38); the slush molding unit (30) is arranged on the outer wall of the direction-adjusting rotating shaft (38), and the slush molding unit (30) is meshed with the direction-adjusting gear (39).

2. The production process of the non-toxic modified PVC fitness sphere according to claim 1, which is characterized in that: the material injection device (5) comprises a material injection pipe (51), a connecting column (52), a material injection box (53), an electric slip ring (54), a material stirring ring sleeve (55), a stirring rod (56), a material discharge pipe (57), an electric slip ring (58) and an outer insertion pipe (59); the connecting columns (52) are uniformly arranged on the inner wall of the upper end of the U-shaped frame (4), the lower ends of the connecting columns (52) are connected with a material injection box (53), the material injection box (53) is of a detachable structure, a material injection pipe (51) is arranged at the upper end of the material injection box (53), and the material injection pipe (51) penetrates through the upper end of the U-shaped frame (4); an electric slip ring (54) is arranged on the inner wall of the upper end of the material injection box (53) in a sliding fit mode, a material stirring ring sleeve (55) is arranged at the lower end of the electric slip ring (54), and stirring rods (56) are uniformly arranged at the lower end of the material stirring ring sleeve (55); the bottom inner wall of notes workbin (53) is interior concave structure, and the bottom of notes workbin (53) is provided with row material pipe (57), the outer wall of arranging material pipe (57) is provided with electronic lantern ring (58) through gliding mounting means from top to bottom, and outer plug tube (59) is installed to the lower extreme of electronic lantern ring (58), outer plug tube (59) cover establish and arrange the outer wall of material pipe (57).

3. The production process of the non-toxic modified PVC fitness sphere according to claim 1, which is characterized in that: the slush molding unit (30) comprises an upper die sleeve (301), a lower die sleeve (302), an auxiliary ring (303), a telescopic cylinder (304), an annular clamping sleeve (305), an adjusting plate (306), a locking module (307) and a limiting module (308); the upper die sleeve (301) is provided with a feeding hole at the upper end, an auxiliary ring (303) is arranged on the outer wall of the middle part of the upper die sleeve (301), telescopic cylinders (304) are uniformly arranged at the lower end of the auxiliary ring (303), the telescopic ends of the telescopic cylinders (304) are connected with annular clamping sleeves (305), the sections of the annular clamping sleeves (305) are U-shaped structures, adjusting plates (306) are uniformly arranged on the inner walls of the lower ends of the annular clamping sleeves (305), movable beads are arranged at the upper ends of the adjusting plates (306) in a movable connection mode, and the lower die sleeve (302) is arranged on the outer wall of the direction-adjusting rotating shaft (38); the outer wall of the lower die sleeve (302) is provided with a convex gear groove, and the gear groove of the lower die sleeve (302) is meshed with the direction adjusting gear (39); arc-shaped clamping grooves are uniformly formed in the outer wall of the upper portion of the lower die sleeve (302) along the axis direction of the lower die sleeve, fixing clamping holes are uniformly formed in the outer wall of the middle portion of the lower die sleeve (302) along the axis direction of the lower die sleeve, and the fixing clamping holes correspond to the arc-shaped clamping grooves in position one to one; the locking modules (307) are uniformly arranged on the inner wall of the lower portion of the upper die sleeve (301), the locking modules (307) are matched with the fixing clamp holes, the limiting modules (308) are uniformly arranged on the inner wall of the middle portion of the upper die sleeve (301), and the limiting modules (308) are matched with the arc clamping grooves.

4. The production process of the non-toxic modified PVC fitness sphere according to claim 3, which is characterized in that: the locking module (307) comprises a guide spring (071), a fixing plug (072) and a fixing chuck (073); the fixed plug (072) is uniformly arranged on the inner wall below the upper die sleeve (301) in a sliding fit mode, a guide spring (071) is sleeved on the outer wall, located inside the upper die sleeve (301), of the fixed plug (072), a fixed chuck (073) is arranged on the outer wall of the fixed plug (072) in a threaded connection mode, and the fixed chuck (073) is connected with the guide spring (071); clamping holes convenient to match with a screwdriver are uniformly formed in the fixing chuck (073), a right-angled trapezoidal groove is formed in one end, located on the outer wall of the upper die sleeve (301), of the fixing plug (072), and the right-angled part of the right-angled trapezoidal groove is close to the outer wall of the upper die sleeve (301); the right-angled trapezoidal groove of the fixing plug (072) is matched with the movable bead at the upper end of the adjusting plate (306).

5. The production process of the non-toxic modified PVC fitness sphere according to claim 3, which is characterized in that: the limiting module (308) comprises a limiting spring (081) and a limiting lug (082); the limiting lug (082) is arranged on the inner wall of the middle part of the upper die sleeve (301) through a limiting spring (081), balls are arranged on the outer wall of the limiting lug (082) in a movable connection mode, and the limiting lug (082) is matched with an arc-shaped clamping groove on the outer wall above the lower die sleeve (302).

6. The production process of the non-toxic modified PVC fitness sphere according to claim 1, which is characterized in that: the recovery device (2) comprises a recovery tank (21), a water pump (22), a water guide pipe (23) and a water spray pipe (24); the recovery bin (21) is arranged at the right side of the upper end face of the bottom plate (1); a cavity is arranged at the upper end of the left side of the recovery bin (21); a water pump (22) is arranged on the side wall of the recovery tank (21) through a base, and a water inlet pipe of the water pump (22) is located at the lowest position in the recovery tank (21); the outlet pipe of water pump (22) is connected in the one end of aqueduct (23), and the other end of aqueduct (23) is located the cavity of retrieving workbin (21), spray pipe (24) evenly set up the left side inner wall at retrieving workbin (21).

7. The production process of the non-toxic modified PVC fitness sphere according to claim 3, which is characterized in that: the outer wall of the upper end of the upper die sleeve (301) is symmetrically provided with ear seats.

8. The production process of the non-toxic modified PVC fitness sphere according to claim 3, which is characterized in that: the inner walls of the die cavities of the upper die sleeve (301) and the lower die sleeve (302) are provided with temperature control sheets.

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a production process of a non-toxic modified PVC fitness sphere.

Background

The body-building ball is one of the traditional body-building health-care appliances in China. Stone, steel, copper, jade and PVC. The PVC exercise ball is a big ball with the appearance like a toy, and the exercise ball with the rubber texture can bear the pressure of 400 kilograms at most. PVC body-building ball is a new, interesting and special sports body-building sport, nowadays, the sports of ball-building exercises is especially favored by urban women with the characteristics of interest, relaxation, safety, obvious effect and the like, the body-building ball can train muscle groups at the positions of chest, abdomen, back, hip, legs and the like, and the muscle groups play an important role in keeping body balance, improving body posture, preventing sports injury and the like.

The PVC body-building ball is mainly formed by adopting a slush molding process during manufacturing, but the current body-building ball mainly has the following problems in the manufacturing process: excessive raw materials in the slush-molded exercise ball are difficult to discharge during manufacturing, so that the production quality of the exercise ball is influenced, partial bubbles exist in the raw materials melted during manufacturing of the exercise ball, so that defects exist on the structure of the later-stage gel-molded exercise ball, and the excessive raw materials in the exercise ball are difficult to be cooled and recycled quickly during discharging.

Therefore, in order to improve the quality of the produced fitness ball, the invention provides a production process of a non-toxic modified PVC fitness ball.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme, namely a production process of a non-toxic modified PVC fitness sphere, which specifically comprises the following steps:

s1, injecting: firstly, manually heating and melting a non-toxic modified PVC production raw material, injecting the molten non-toxic modified PVC production raw material into an injection device, further stirring, and guiding the molten non-toxic modified PVC production raw material into a slush molding unit;

s2, slush molding: the rotational motor works to drive the slush molding unit to rotate at a high speed, so that the melted raw materials are uniformly attached to the interior of the slush molding unit and are rapidly gelled and formed;

s3, discharging and recycling excess materials: discharging redundant raw materials subjected to gel forming in the slush molding unit, and recovering the redundant raw materials through a recovery device;

s4, cooling and demolding: when the hollow ball formed by gelling in the slush molding unit is completely cooled and formed, manually taking out the formed hollow ball;

the production process steps of the nontoxic modified PVC fitness ball in the steps S1-S4 need to be completed by matching a bottom plate, a recovery device, an execution device, a U-shaped frame and an injection device.

An executing device is arranged on the upper surface of the bottom plate close to the left side, the U-shaped frame is arranged on the upper end surface of the bottom plate, the executing device is positioned in the U-shaped frame, a material injecting device is arranged on the upper end surface of the U-shaped frame, and the material injecting device is positioned right above the executing device; the recovery device is arranged on the upper end face of the bottom plate and is positioned on the right side of the execution device.

The executing device comprises a fixing plate, an adjusting cylinder, a limiting sleeve, a rotating motor, an executing frame, a limiting shaft lever, a direction adjusting motor, a direction adjusting rotating shaft, a direction adjusting gear and a slush molding unit; the fixing plate is arranged on the bottom plate, the number of the adjusting cylinders is two, the adjusting cylinders are symmetrically arranged on the bottom plate in a front-back mode and are positioned on the right side of the fixing plate, the outer wall of the bottom end of the limiting sleeve is connected with the upper end of the fixing plate through a hinge, and the lower end face of the limiting sleeve is movably connected with the telescopic end of the adjusting cylinder; the inner wall of the bottom end of the limiting sleeve is provided with a rotating motor through a motor base, the lower end face of the execution frame is provided with an annular sliding groove, and the annular sliding groove of the execution frame is arranged at the upper end of the limiting sleeve; the output shaft of the rotating motor is connected with the lower end of the executing frame through a flange, the inner wall at the rear part of the executing frame is provided with a direction-adjusting motor through a motor base, the output shaft of the direction-adjusting motor is connected with the shaft head at the rear end of the direction-adjusting rotating shaft through a coupler, the shaft head at the front end of the direction-adjusting rotating shaft is connected with the inner wall in front of the executing frame through a bearing, the outer wall at the middle part of the direction-adjusting rotating shaft is provided with a direction-adjusting gear, the limiting shaft rod is arranged in the executing frame, and the limiting shaft rod is positioned right above the direction-adjusting rotating shaft; the slush molding unit is arranged on the outer wall of the direction-adjusting rotating shaft, and the slush molding unit is meshed with the direction-adjusting gear; the upper die sleeve and the lower die sleeve are driven to rotate at a high speed by rotating the motor, the internally molten raw materials can be attached to the inner walls of the upper die sleeve and the lower die sleeve in the rotating process of the upper die sleeve and the lower die sleeve, and the temperature is reduced by the temperature control sheets in the upper die sleeve and the lower die sleeve, so that the internal raw materials are promoted to be gelled quickly; after the raw materials are gelled along the inner walls of the upper die sleeve and the lower die sleeve, the motor is rotated to stop working, and the lower die sleeve is driven to turn over by adjusting the direction of the motor, so that redundant raw materials in the lower die sleeve are discharged into a recovery box along a feed hole of the upper die sleeve to be recovered; the execution device improves the forming efficiency of the hollow ball, and the continuous and stable high-speed rotation of the rotating motor ensures the gelation quality of the hollow ball; and the executing device is convenient for adjusting the angles of the upper die sleeve and the lower die sleeve, so that redundant excess materials in the upper die sleeve and the lower die sleeve are discharged conveniently.

Preferably; the material injection device comprises a material injection pipe, a connecting column, a material injection box, an electric slip ring, a material stirring ring sleeve, a stirring rod, a material discharge pipe, an electric ring sleeve and an outer plug-in pipe; the connecting columns are uniformly arranged on the inner wall of the upper end of the U-shaped frame, the lower ends of the connecting columns are connected with the material injection box, the material injection box is of a detachable structure, the upper end of the material injection box is provided with a material injection pipe, and the material injection pipe penetrates through the upper end of the U-shaped frame; an electric slip ring is arranged on the inner wall of the upper end of the material injection box in a sliding fit mode, a material stirring ring sleeve is arranged at the lower end of the electric slip ring, and stirring rods are uniformly arranged at the lower end of the material stirring ring sleeve; the inner wall of the bottom end of the material injection box is of a concave structure, the bottom end of the material injection box is provided with a material discharge pipe, the outer wall of the material discharge pipe is provided with an electric lantern ring in an up-and-down sliding installation mode, the lower end of the electric lantern ring is provided with an outer plug-in pipe, and the outer plug-in pipe is sleeved on the outer wall of the material discharge pipe; the production method comprises the following steps of manually injecting a nontoxic modified PVC production raw material into an injection box through an injection pipe after the nontoxic modified PVC production raw material is heated and melted, driving a stirring rod to rotate through an electric slip ring to realize raw material stirring, and injecting the stirred raw material into the upper die sleeve and the lower die sleeve through an outer insertion pipe; annotate the material device and be convenient for with the inside of heating fused raw materials water conservancy diversion to upper die sleeve and lower die sleeve, and at the in-process of water conservancy diversion raw materials, can improve the mixed effect of raw materials through the puddler stirring, effectively get rid of the bubble in the raw materials, the later stage raw materials of being convenient for gelatinize the shaping.

Preferably; the slush molding unit comprises an upper die sleeve, a lower die sleeve, an auxiliary ring, a telescopic cylinder, an annular clamping sleeve, an adjusting plate, a locking module and a limiting module; the upper end of the upper die sleeve is provided with a feeding hole, the outer wall of the middle part of the upper die sleeve is provided with an auxiliary ring, the lower end of the auxiliary ring is uniformly provided with a telescopic cylinder, the telescopic end of the telescopic cylinder is connected with an annular clamping sleeve, the section of the annular clamping sleeve is of a U-shaped structure, the inner wall of the lower end of the annular clamping sleeve is uniformly provided with an adjusting plate, the upper end of the adjusting plate is provided with a movable bead in a movable connection mode, and the lower die sleeve is arranged on the outer wall of the direction-adjusting rotating shaft; the outer wall of the lower die sleeve is provided with a convex gear groove, and the gear groove of the lower die sleeve is meshed with the direction-adjusting gear; the outer wall of the upper part of the lower die sleeve is uniformly provided with arc-shaped clamping grooves along the axis direction, the outer wall of the middle part of the lower die sleeve is uniformly provided with fixing clamping holes along the axis direction, and the fixing clamping holes and the arc-shaped clamping grooves are in one-to-one correspondence in position; the locking modules are uniformly arranged on the inner wall below the upper die sleeve and are matched with the fixing clamp holes, the limiting modules are uniformly arranged on the inner wall in the middle of the upper die sleeve and are matched with the arc-shaped clamp grooves; the connection strength between the upper die sleeve and the lower die sleeve is kept through the limiting module and the locking module respectively; when the molten raw materials are injected into the upper die sleeve and the lower die sleeve, the molten raw materials are attached to the inner walls of the upper die sleeve and the lower die sleeve through the high-speed rotation of the upper die sleeve and the lower die sleeve, and the temperature is reduced through the temperature control sheets in the upper die sleeve and the lower die sleeve, so that the raw materials in the upper die sleeve and the lower die sleeve are promoted to be gelled quickly; when needs drawing a mould, through telescopic cylinder retraction movement drive annular cutting ferrule upward movement, through regulating plate and locking module cooperation to the fashioned clean shot is taken out with last die sleeve and lower die sleeve separation to the later stage manual work of being convenient for.

Preferably; the locking module comprises a guide spring, a fixed plug and a fixed chuck; the fixed plug is uniformly arranged on the inner wall below the upper die sleeve in a sliding fit mode, a guide spring is sleeved on the outer wall of the fixed plug positioned in the upper die sleeve, the fixed chuck is arranged on the outer wall of the fixed plug in a threaded connection mode, and the fixed chuck is connected with the guide spring; the fixing chuck is uniformly provided with clamping holes convenient for matching with a screwdriver, one end of the fixing plug, which is positioned on the outer wall of the upper die sleeve, is provided with a right-angled trapezoidal groove, and the right-angled part of the right-angled trapezoidal groove is close to the outer wall of the upper die sleeve; the right-angled trapezoidal groove of the fixed plug is matched with the movable ball at the upper end of the adjusting plate; stretch the motion of fixed chuck drive fixed bolt through the direction spring top to the firm fixed at die sleeve outer wall down of die sleeve is kept in the effect through fixed bolt, and the continuous stable rotation of die sleeve and lower die sleeve is gone up in the later stage of being convenient for.

Preferably; the limiting module comprises a limiting spring and a limiting lug, the limiting lug is mounted on the inner wall of the middle part of the upper die sleeve through the limiting spring, the outer wall of the limiting lug is provided with a ball in a movable connection mode, and the limiting lug is matched with an arc-shaped clamping groove in the upper outer wall of the lower die sleeve; the clamping between the upper die sleeve and the lower die sleeve can be kept under the action of the limiting convex block which is pushed and extended by the limiting spring, and the falling-off between the upper die sleeve and the lower die sleeve is prevented.

Preferably; the recovery device comprises a recovery tank, a water pump, a water guide pipe and a water spray pipe; the recovery bin is arranged at the right side of the upper end face of the bottom plate; a cavity is arranged at the upper end of the left side of the recovery bin; the side wall of the recovery bin is provided with a water pump through a base, and a water inlet pipe of the water pump is located at the lowest position in the recovery bin; the water outlet pipe of the water pump is connected with one end of the water guide pipe, the other end of the water guide pipe is positioned in the cavity of the recovery material box, and the water spray pipes are uniformly arranged on the inner wall of the left side of the recovery material box; firstly, a proper amount of cooling water is manually injected into the recovery tank, and then the cooling water in the recovery tank forms a flowing state through the work of a water pump, so that the excess material discharged at the later stage is rapidly cooled and recovered; and on the other hand, the excessive excess materials in the upper die sleeve and the lower die sleeve are conveniently discharged and collected in a centralized manner.

Preferably; go up the mould cover upper end outer wall symmetry and be provided with the ear seat to manual operation ear seat will go up mould cover and lower mould cover and separate, thereby be convenient for the manual work take out inside fashioned clean shot.

Preferably; the inner walls of the die cavities of the upper die sleeve and the lower die sleeve are provided with temperature control sheets, and the temperature control sheets are convenient for controlling the gelling time of the raw materials melted in the die cavities and improving the preparation effect of the hollow spheres.

The invention has the beneficial effects that:

the execution device improves the forming efficiency of the hollow ball, and the continuous and stable high-speed rotation of the rotating motor ensures the gelation quality of the hollow ball; and the executing device is convenient for adjusting the angles of the upper die sleeve and the lower die sleeve, so that redundant excess materials in the upper die sleeve and the lower die sleeve are discharged conveniently.

The injection device is arranged to guide the heated and melted raw materials to the inner parts of the upper die sleeve and the lower die sleeve, and in the process of guiding the raw materials, the mixing effect of the raw materials can be improved by stirring through the stirring rod, so that bubbles in the raw materials are effectively removed, and the raw materials are conveniently gelled and formed in the later period.

On one hand, the recovery device provided by the invention is convenient for forming the cooling water in the recovery material box into a flowing state, so that the cooling water is convenient for heat dissipation; and on the other hand, the excessive excess materials in the upper die sleeve and the lower die sleeve are conveniently discharged and collected in a centralized manner.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the production process of the nontoxic modified PVC body-building sphere of the invention.

Fig. 2 is a first view structure diagram among the bottom plate, the recycling device, the executing device, the U-shaped frame and the material injection device of the invention.

Fig. 3 is a second view structure diagram among the bottom plate, the recycling device, the executing device, the U-shaped frame and the material injection device of the invention.

Fig. 4 is a top view of the present invention.

Fig. 5 is a sectional view taken along the line M-M of fig. 4 according to the present invention.

Fig. 6 is a sectional view taken along the line N-N of fig. 4 according to the present invention.

Fig. 7 is a partial enlarged view of the invention at a in fig. 6.

Fig. 8 is a partial enlarged view of the invention at B in fig. 5.

In the figure: 1. a base plate; 2. a recovery device; 3. an execution device; 4. a U-shaped frame; 5. a material injection device; 31. a fixing plate; 32. an adjusting cylinder; 33. a limiting sleeve; 34. rotating the motor; 35. an execution frame; 36. a limiting shaft lever; 37. a direction-adjusting motor; 38. a direction-adjusting rotating shaft; 39. a direction adjusting gear; 30. a slush molding unit; 51. a material injection pipe; 52. connecting columns; 53. a material injection box; 54. an electric slip ring; 55. stirring the material loop; 56. a stirring rod; 57. a discharge pipe; 58. an electric lantern ring; 59. an outer cannula; 301. putting a die sleeve; 302. a lower die sleeve; 303. an auxiliary ring; 304. a telescopic cylinder; 305. an annular ferrule; 306. an adjusting plate; 307. a locking module; 308. a limiting module; 071. a guide spring; 072. fixing the plug; 073. fixing the chuck; 081. a limiting spring; 082. a limiting bump; 21. a recycling bin; 22. a water pump; 23. a water conduit; 24. and a water spray pipe.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.

See fig. 1 and 2; a production process of a nontoxic modified PVC fitness sphere, which comprises the following steps:

s1, injecting: firstly, a nontoxic modified PVC production raw material is manually heated and melted and then is injected into an injection box 53 through an injection pipe 51, the stirring rod 56 is driven to rotate through the electric slip ring 54 to realize raw material stirring, and the stirred raw material is injected into the upper die sleeve 301 and the lower die sleeve 302 through the outer insertion pipe 59; after the material injection is finished, stopping the material injection, and driving the outer plug 59 to move upwards through the electric lantern ring 58 so that the outer plug 59 is separated from the feeding hole of the upper die sleeve 301;

s2, slush molding: the upper die sleeve 301 and the lower die sleeve 302 are driven to rotate at a high speed by the operation of the rotating motor 34, the raw materials internally melted in the rotating process of the upper die sleeve 301 and the lower die sleeve 302 can be attached to the inner walls of the upper die sleeve 301 and the lower die sleeve 302, and the temperature is reduced by the temperature control sheets in the upper die sleeve 301 and the lower die sleeve 302, so that the raw materials in the upper die sleeve 301 and the lower die sleeve 302 are promoted to be gelled quickly;

s3, discharging and recycling excess materials: after the raw materials are gelled along the inner walls of the upper die sleeve 301 and the lower die sleeve 302, the rotating motor 34 stops working, the reversing motor 37 works to drive the lower die sleeve 302 to turn over, so that redundant raw materials inside are discharged into the recycling bin 21 along the feeding hole of the upper die sleeve 301, and before the raw materials are discharged into the recycling bin 21, water inside the recycling bin 21 forms a flowing state through the working of the water pump 22, so that the melted raw materials falling into the inside are rapidly cooled and formed, and are convenient to recycle;

s4, cooling and demolding: when the gelled hollow spheres on the inner walls of the upper die sleeve 301 and the lower die sleeve 302 are completely cooled and formed, the annular clamping sleeve 305 is driven to move through the telescopic cylinder 304, the locking module 307 is separated from the lower die sleeve 302 under the action of the adjusting plate 306, then the lug seat of the upper die sleeve 301 is manually grasped to separate the upper die sleeve 301 from the lower die sleeve 302, and the internally formed hollow spheres are taken out.

The production process steps of the nontoxic modified PVC fitness ball in the steps S1-S4 need to be completed by matching the bottom plate 1, the recovery device 2, the execution device 3, the U-shaped frame 4 and the material injection device 5.

An executing device 3 is arranged on the upper surface of the bottom plate 1 close to the left side, the U-shaped frame 4 is arranged on the upper end surface of the bottom plate 1, the executing device 3 is positioned inside the U-shaped frame 4, a material injecting device 5 is arranged on the upper end surface of the U-shaped frame 4, and the material injecting device 5 is positioned right above the executing device 3; the recovery device 2 is arranged on the upper end surface of the bottom plate 1, and the recovery device 2 is positioned on the right side of the execution device 3.

Referring to fig. 5, the recycling device 2 includes a recycling bin 21, a water pump 22, a water conduit 23 and a water spray pipe 24; the recovery bin 21 is arranged at the right side of the upper end face of the bottom plate 1; and the upper end of the left side of the recovery bin 21 is provided with a cavity; the side wall of the recovery tank 21 is provided with a water pump 22 through a base, and a water inlet pipe of the water pump 22 is located at the lowest position in the recovery tank 21; a water outlet pipe of the water pump 22 is connected with one end of a water guide pipe 23, the other end of the water guide pipe 23 is positioned in the cavity of the recovery material box 21, and the water spray pipes 24 are uniformly arranged on the inner wall of the left side of the recovery material box 21; firstly, a proper amount of cooling water is manually injected into the recovery tank 21, and then the cooling water in the recovery tank 21 is in a flowing state through the work of the water pump 22, so that the excess material discharged at the later stage is rapidly cooled and recovered, and on one hand, the recovery device 2 is convenient to form the cooling water in the recovery tank 21 in a flowing state and is convenient for cooling water to dissipate heat; and on the other hand, the excessive excess materials in the upper die sleeve 301 and the lower die sleeve 302 are conveniently discharged and collected in a centralized manner.

Referring to fig. 5 and 6, the executing device 3 includes a fixing plate 31, an adjusting cylinder 32, a limiting sleeve 33, a rotating motor 34, an executing frame 35, a limiting shaft lever 36, a direction adjusting motor 37, a direction adjusting rotating shaft 38, a direction adjusting gear 39 and a slush molding unit 30; the fixing plate 31 is arranged on the bottom plate 1, the number of the adjusting cylinders 32 is two, the adjusting cylinders 32 are symmetrically arranged on the bottom plate 1 in a front-back manner, the adjusting cylinders 32 are positioned on the right side of the fixing plate 31, the outer wall of the bottom end of the limiting sleeve 33 is connected with the upper end of the fixing plate 31 through a hinge, and the lower end face of the limiting sleeve 33 is movably connected with the telescopic end of the adjusting cylinders 32; a rotating motor 34 is mounted on the inner wall of the bottom end of the limiting sleeve 33 through a motor base, an annular sliding groove is formed in the lower end face of the execution frame 35, and the annular sliding groove of the execution frame 35 is mounted at the upper end of the limiting sleeve 33; an output shaft of the rotating motor 34 is connected with the lower end of the actuating frame 35 through a flange, a direction adjusting motor 37 is mounted on the rear inner wall of the actuating frame 35 through a motor base, an output shaft of the direction adjusting motor 37 is connected with a rear end shaft head of a direction adjusting rotating shaft 38 through a coupler, a front end shaft head of the direction adjusting rotating shaft 38 is connected with the front inner wall of the actuating frame 35 through a bearing, a direction adjusting gear 39 is arranged on the outer wall of the middle of the direction adjusting rotating shaft 38, the limiting shaft lever 36 is arranged inside the actuating frame 35, and the limiting shaft lever 36 is located right above the direction adjusting rotating shaft 38; the slush molding unit 30 is arranged on the outer wall of the direction-adjusting rotating shaft 38, and the slush molding unit 30 is meshed with the direction-adjusting gear 39; the upper die sleeve 301 and the lower die sleeve 302 are driven to rotate at a high speed by the operation of the rotating motor 34, the raw materials internally melted in the rotating process of the upper die sleeve 301 and the lower die sleeve 302 can be attached to the inner walls of the upper die sleeve 301 and the lower die sleeve 302, and the temperature is reduced by the temperature control sheets in the upper die sleeve 301 and the lower die sleeve 302, so that the raw materials in the upper die sleeve 301 and the lower die sleeve 302 are promoted to be gelled quickly; after the raw materials are gelled along the inner walls of the upper die sleeve 301 and the lower die sleeve 302, the rotating motor 34 stops working, the direction-adjusting rotating shaft 38 is driven to rotate by the operation of the direction-adjusting motor 37, the direction-adjusting rotating shaft 38 drives the direction-adjusting gear 39 to rotate, and the lower die sleeve 302 meshed with the direction-adjusting gear 39 is driven to turn over in the rotating process of the direction-adjusting gear 39, so that redundant raw materials inside are discharged into the recycling bin 21 along the feeding hole of the upper die sleeve 301 for recycling; the execution device 3 improves the forming efficiency of the hollow ball, and the continuous and stable high-speed rotation of the rotating motor 34 ensures the gelation quality of the hollow ball; and the actuating device 3 is convenient for adjusting the angles of the upper die sleeve 301 and the lower die sleeve 302, thereby facilitating the discharge of the redundant excess materials inside the upper die sleeve 301 and the lower die sleeve 302.

Referring to fig. 6 and 7, the slush molding unit 30 includes an upper mold sleeve 301, a lower mold sleeve 302, an auxiliary ring 303, a telescopic cylinder 304, an annular ferrule 305, an adjusting plate 306, a locking module 307 and a limiting module 308; the upper end of the upper die sleeve 301 is provided with a feeding hole, and the outer wall of the upper end of the upper die sleeve 301 is symmetrically provided with lug seats; so that the upper die sleeve 301 and the lower die sleeve 302 can be separated by manually operating the ear base, and the hollow ball formed inside can be taken out manually; an auxiliary ring 303 is arranged on the outer wall of the middle part of the upper die sleeve 301, telescopic cylinders 304 are uniformly arranged at the lower ends of the auxiliary ring 303, a telescopic end of each telescopic cylinder 304 is connected with an annular clamping sleeve 305, the section of each annular clamping sleeve 305 is of a U-shaped structure, adjusting plates 306 are uniformly arranged on the inner wall of the lower end of each annular clamping sleeve 305, movable beads are arranged at the upper ends of the adjusting plates 306 in a movable connection mode, and the lower die sleeve 302 is arranged on the outer wall of the direction-adjusting rotating shaft 38; the outer wall of the lower die sleeve 302 is provided with a convex gear groove, and the gear groove of the lower die sleeve 302 is meshed with the direction-adjusting gear 39; arc-shaped clamping grooves are uniformly formed in the outer wall of the upper portion of the lower die sleeve 302 along the axis direction of the lower die sleeve, fixing clamping holes are uniformly formed in the outer wall of the middle portion of the lower die sleeve 302 along the axis direction of the lower die sleeve, and the fixing clamping holes correspond to the arc-shaped clamping grooves in position one to one; the locking modules 307 are uniformly arranged on the inner wall below the upper die sleeve 301, the locking modules 307 are matched with the fixing clamp holes, the limiting modules 308 are uniformly arranged on the inner wall in the middle of the upper die sleeve 301, and the limiting modules 308 are matched with the arc-shaped clamp grooves; the inner walls of the die cavities of the upper die sleeve 301 and the lower die sleeve 302 are respectively provided with a temperature control sheet, and the temperature control sheets are convenient for controlling the gelling time of the raw materials melted in the die cavities and improving the preparation effect of the hollow ball; the connection strength between the upper die sleeve 301 and the lower die sleeve 302 is maintained through the limiting module 308 and the locking module 307 respectively; when the melted raw materials are injected into the upper die sleeve 301 and the lower die sleeve 302, the melted raw materials are attached to the inner walls of the upper die sleeve 301 and the lower die sleeve 302 through the high-speed rotation of the upper die sleeve 301 and the lower die sleeve 302, and the temperature is reduced through the temperature control sheets in the upper die sleeve 301 and the lower die sleeve 302, so that the raw materials in the upper die sleeve 301 and the lower die sleeve 302 are promoted to be gelled quickly; when the mold needs to be taken out, the telescopic cylinder 304 retracts to drive the annular clamping sleeve 305 to move upwards, and the adjusting plate 306 is matched with the locking module 307, so that the upper mold sleeve 301 and the lower mold sleeve 302 can be separated and taken out manually at the later stage.

Referring to fig. 7, the limiting module 308 includes a limiting spring 081 and a limiting projection 082, the limiting projection 082 is mounted on the inner wall of the middle portion of the upper die sleeve 301 through the limiting spring 081, and the outer wall of the limiting projection 082 is provided with a ball in a movable connection manner, and the limiting projection 082 is matched with an arc-shaped slot on the outer wall above the lower die sleeve 302; the clamping between the upper die sleeve 301 and the lower die sleeve 302 can be kept through the action of the limit spring 081 jacking limit lug 082, and the upper die sleeve 301 and the lower die sleeve 302 are prevented from falling off.

Referring to fig. 7, the locking module 307 includes a guide spring 071, a fixing plug 072, and a fixing chuck 073; the fixing plug 072 is uniformly arranged on the inner wall below the upper die sleeve 301 in a sliding fit mode, a guide spring 071 is sleeved on the outer wall, positioned inside the upper die sleeve 301, of the fixing plug 072, the fixing chuck 073 is arranged on the outer wall of the fixing plug 072 in a threaded connection mode, and the fixing chuck 073 is connected with the guide spring 071; clamping holes convenient for being matched with a screwdriver are uniformly formed in the fixing chuck 073, a right-angled trapezoidal groove is formed in one end, located on the outer wall of the upper die sleeve 301, of the fixing plug 072, and the right-angled portion of the right-angled trapezoidal groove is close to the outer wall of the upper die sleeve 301; the right-angled trapezoidal groove of the fixing plug 072 is matched with the movable bead at the upper end of the adjusting plate 306; the fixing chuck 073 is jacked and extended by the guide spring 071 to drive the fixing bolt 072 to move, so that the upper die sleeve 301 is firmly fixed on the outer wall of the lower die sleeve 302 under the action of the fixing bolt 072, and the upper die sleeve 301 and the lower die sleeve 302 can continuously and stably rotate at a later stage.

Referring to fig. 5 and 6, the injection device 5 includes an injection pipe 51, a connection column 52, an injection box 53, an electric slip ring 54, a stirring ring sleeve 55, a stirring rod 56, a discharge pipe 57, an electric slip ring 58 and an outer insertion pipe 59; the connecting columns 52 are uniformly arranged on the inner wall of the upper end of the U-shaped frame 4, the lower ends of the connecting columns 52 are connected with material injection boxes 53, the material injection boxes 53 are of a detachable structure, material injection pipes 51 are arranged at the upper ends of the material injection boxes 53, and the material injection pipes 51 penetrate through the upper end of the U-shaped frame 4; an electric slip ring 54 is arranged on the inner wall of the upper end of the material injection box 53 in a sliding fit mode, a material stirring ring sleeve 55 is arranged at the lower end of the electric slip ring 54, and stirring rods 56 are uniformly arranged at the lower end of the material stirring ring sleeve 55; the inner wall of the bottom end of the material injection box 53 is of a concave structure, the bottom end of the material injection box 53 is provided with a material discharge pipe 57, the outer wall of the material discharge pipe 57 is provided with an electric lantern ring 58 in a vertically sliding installation mode, the lower end of the electric lantern ring 58 is provided with an outer plug-in pipe 59, and the outer plug-in pipe 59 is sleeved on the outer wall of the material discharge pipe 57; the production method comprises the following steps of manually heating and melting non-toxic modified PVC production raw materials, then injecting the raw materials into an injection box 53 through an injection pipe 51, driving a stirring rod 56 to rotate through an electric slip ring 54 to realize raw material stirring, and injecting the stirred raw materials into an upper die sleeve 301 and a lower die sleeve 302 through an outer insertion pipe 59; annotate material device 5 and be convenient for with the inside of heating fused raw materials water conservancy diversion to upper die sleeve 301 and lower die sleeve 302, and at the in-process of water conservancy diversion raw materials, can improve the mixed effect of raw materials through the stirring of puddler 56, effectively get rid of the bubble in the raw materials, the later stage raw materials of being convenient for gelatinize the shaping.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.